Analysis Report aISbFyk4Lj.exe

Overview

General Information

Sample Name: aISbFyk4Lj.exe
Analysis ID: 412223
MD5: 167f0a829df709cc4107369ed23fbdfb
SHA1: a66caacf3bd0390912ab789b7e773e805172ba4c
SHA256: 12279e26650d5826758ae344bc6ffef54a438d4782a42f0d369403ae41f3914b
Tags: exeNanoCoreRAT
Infos:

Most interesting Screenshot:

Detection

NanoCore
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Yara detected AntiVM3
Yara detected Nanocore RAT
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Contains capabilities to detect virtual machines
Contains functionality to call native functions
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Drops PE files
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found inlined nop instructions (likely shell or obfuscated code)
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains strange resources
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Yara signature match

Classification

AV Detection:

barindex
Found malware configuration
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.raw.unpack Malware Configuration Extractor: NanoCore {"Version": ".0.0.0,", "Mutex": "a7fa722b-7dae-45b1-afa6-302155a5", "Group": "Default", "Domain1": "wespeaktruthtoman.sytes.net", "Domain2": "wespeaktruthtoman12.sytes.net", "Port": 5600, "KeyboardLogging": "Enable", "RunOnStartup": "Disable", "RequestElevation": "Disable", "BypassUAC": "Disable", "ClearZoneIdentifier": "Enable", "ClearAccessControl": "Disable", "SetCriticalProcess": "Disable", "PreventSystemSleep": "Enable", "ActivateAwayMode": "Disable", "EnableDebugMode": "Disable", "RunDelay": 0, "ConnectDelay": 4000, "RestartDelay": 5000, "TimeoutInterval": 5000, "KeepAliveTimeout": 30000, "MutexTimeout": 5000, "LanTimeout": 2500, "WanTimeout": 8000, "BufferSize": "ffff0000", "MaxPacketSize": "0000a000", "GCThreshold": "0000a000", "UseCustomDNS": "Enable", "PrimaryDNSServer": "8.8.8.8"}
Multi AV Scanner detection for domain / URL
Source: wespeaktruthtoman.sytes.net Virustotal: Detection: 8% Perma Link
Source: wespeaktruthtoman.sytes.net Virustotal: Detection: 8% Perma Link
Multi AV Scanner detection for dropped file
Source: C:\Users\user\AppData\Roaming\QxHKzIlUxTf.exe ReversingLabs: Detection: 27%
Multi AV Scanner detection for submitted file
Source: aISbFyk4Lj.exe Virustotal: Detection: 23% Perma Link
Source: aISbFyk4Lj.exe ReversingLabs: Detection: 27%
Yara detected Nanocore RAT
Source: Yara match File source: 00000000.00000002.227998353.00000000045E1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 0.2.aISbFyk4Lj.exe.484a9b8.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.aISbFyk4Lj.exe.484a9b8.2.raw.unpack, type: UNPACKEDPE
Machine Learning detection for dropped file
Source: C:\Users\user\AppData\Roaming\QxHKzIlUxTf.exe Joe Sandbox ML: detected
Machine Learning detection for sample
Source: aISbFyk4Lj.exe Joe Sandbox ML: detected

Compliance:

barindex
Uses 32bit PE files
Source: aISbFyk4Lj.exe Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe File opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dll Jump to behavior
Source: aISbFyk4Lj.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: Binary string: C:\Users\Administrator\Desktop\Client\Temp\aJUqyHKjYG\src\obj\Debug\getClaimsd95.pdbT source: aISbFyk4Lj.exe
Source: Binary string: C:\Users\Administrator\Desktop\Client\Temp\aJUqyHKjYG\src\obj\Debug\getClaimsd95.pdb source: aISbFyk4Lj.exe
Source: Binary string: \??\C:\Windows\symbols\dll\System.pdb source: RegSvcs.exe, 00000004.00000003.370702724.0000000000AF9000.00000004.00000001.sdmp
Source: Binary string: mscorrc.pdb source: aISbFyk4Lj.exe, 00000000.00000002.230993463.0000000005880000.00000002.00000001.sdmp

Software Vulnerabilities:

barindex
Found inlined nop instructions (likely shell or obfuscated code)
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 4x nop then mov dword ptr [ebp-1Ch], 00000000h 0_2_055E25B8
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 4x nop then mov dword ptr [ebp-1Ch], 00000000h 0_2_055E25A8

Networking:

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C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: wespeaktruthtoman.sytes.net
Source: Malware configuration extractor URLs: wespeaktruthtoman12.sytes.net
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.3:49694 -> 105.112.208.19:5600
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: VNL1-ASNG VNL1-ASNG
Source: unknown DNS traffic detected: queries for: wespeaktruthtoman.sytes.net
Source: aISbFyk4Lj.exe String found in binary or memory: http://checkip.dyndns.org/
Source: aISbFyk4Lj.exe String found in binary or memory: http://servermanager.miixit.org/
Source: aISbFyk4Lj.exe String found in binary or memory: http://servermanager.miixit.org/E
Source: aISbFyk4Lj.exe String found in binary or memory: http://servermanager.miixit.org/downloads/
Source: aISbFyk4Lj.exe String found in binary or memory: http://servermanager.miixit.org/hits/hit_index.php?k=
Source: aISbFyk4Lj.exe String found in binary or memory: http://servermanager.miixit.org/hits/hit_index.php?k=1
Source: aISbFyk4Lj.exe String found in binary or memory: http://servermanager.miixit.org/index_ru.html
Source: aISbFyk4Lj.exe String found in binary or memory: http://servermanager.miixit.org/index_ru.htmlk
Source: aISbFyk4Lj.exe String found in binary or memory: http://servermanager.miixit.org/report/reporter_index.php?name=
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp String found in binary or memory: https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css
Source: aISbFyk4Lj.exe String found in binary or memory: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=CJU3DBQXBUQPC

E-Banking Fraud:

barindex
Yara detected Nanocore RAT
Source: Yara match File source: 00000000.00000002.227998353.00000000045E1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 0.2.aISbFyk4Lj.exe.484a9b8.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.aISbFyk4Lj.exe.484a9b8.2.raw.unpack, type: UNPACKEDPE

System Summary:

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Malicious sample detected (through community Yara rule)
Source: 00000000.00000002.227998353.00000000045E1000.00000004.00000001.sdmp, type: MEMORY Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000000.00000002.227998353.00000000045E1000.00000004.00000001.sdmp, type: MEMORY Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.unpack, type: UNPACKEDPE Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.unpack, type: UNPACKEDPE Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.raw.unpack, type: UNPACKEDPE Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.raw.unpack, type: UNPACKEDPE Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Contains functionality to call native functions
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_0597184E NtQuerySystemInformation, 0_2_0597184E
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_05971821 NtQuerySystemInformation, 0_2_05971821
Detected potential crypto function
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_00EC93F1 0_2_00EC93F1
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_055E21B9 0_2_055E21B9
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_055E0440 0_2_055E0440
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_055E22C4 0_2_055E22C4
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_055E0888 0_2_055E0888
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C0D40 0_2_057C0D40
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C412B 0_2_057C412B
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C2918 0_2_057C2918
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C3908 0_2_057C3908
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C2010 0_2_057C2010
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C58E8 0_2_057C58E8
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C24E0 0_2_057C24E0
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C17D7 0_2_057C17D7
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057CEFB8 0_2_057CEFB8
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C4A60 0_2_057C4A60
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057CFA20 0_2_057CFA20
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C0D30 0_2_057C0D30
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057CC520 0_2_057CC520
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C2909 0_2_057C2909
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C3903 0_2_057C3903
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057CC9C0 0_2_057CC9C0
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C2DA0 0_2_057C2DA0
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C7588 0_2_057C7588
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057CD878 0_2_057CD878
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057CCC68 0_2_057CCC68
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C7068 0_2_057C7068
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C705B 0_2_057C705B
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C1830 0_2_057C1830
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C7820 0_2_057C7820
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C7810 0_2_057C7810
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C7C10 0_2_057C7C10
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C5CFB 0_2_057C5CFB
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057CBCE8 0_2_057CBCE8
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C24D0 0_2_057C24D0
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C68D0 0_2_057C68D0
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057CB718 0_2_057CB718
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C2310 0_2_057C2310
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C7308 0_2_057C7308
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C2301 0_2_057C2301
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C57F1 0_2_057C57F1
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C6FE8 0_2_057C6FE8
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C57B2 0_2_057C57B2
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C6678 0_2_057C6678
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C6668 0_2_057C6668
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C7A50 0_2_057C7A50
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C7A40 0_2_057C7A40
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C7620 0_2_057C7620
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C62C8 0_2_057C62C8
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057CD2A8 0_2_057CD2A8
PE file contains strange resources
Source: aISbFyk4Lj.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: QxHKzIlUxTf.exe.0.dr Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Sample file is different than original file name gathered from version info
Source: aISbFyk4Lj.exe Binary or memory string: OriginalFilename vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe, 00000000.00000002.231389678.0000000005F80000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameDSASignature.dll@ vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe, 00000000.00000000.215774542.0000000000EC2000.00000002.00020000.sdmp Binary or memory string: OriginalFilenamegetClaimsd95.exeF vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe, 00000000.00000002.230993463.0000000005880000.00000002.00000001.sdmp Binary or memory string: OriginalFilenamemscorrc.dllT vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe, 00000000.00000002.227522713.0000000003698000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameSimpleUI.dll( vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe, 00000000.00000002.231733663.0000000006710000.00000002.00000001.sdmp Binary or memory string: originalfilename vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe, 00000000.00000002.231733663.0000000006710000.00000002.00000001.sdmp Binary or memory string: OriginalFilenamepropsys.dll.mui@ vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe, 00000000.00000002.230861005.00000000057F0000.00000002.00000001.sdmp Binary or memory string: OriginalFilenamenlsbres.dllj% vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe, 00000000.00000002.231565418.0000000006620000.00000002.00000001.sdmp Binary or memory string: System.OriginalFileName vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe, 00000000.00000002.230866914.0000000005800000.00000002.00000001.sdmp Binary or memory string: OriginalFilenamenlsbres.dll.muij% vs aISbFyk4Lj.exe
Source: aISbFyk4Lj.exe Binary or memory string: OriginalFilenamegetClaimsd95.exeF vs aISbFyk4Lj.exe
Uses 32bit PE files
Source: aISbFyk4Lj.exe Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE
Yara signature match
Source: 00000000.00000002.227998353.00000000045E1000.00000004.00000001.sdmp, type: MEMORY Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000000.00000002.227998353.00000000045E1000.00000004.00000001.sdmp, type: MEMORY Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.unpack, type: UNPACKEDPE Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.unpack, type: UNPACKEDPE Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = https://creativecommons.org/licenses/by-nc/4.0/
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.unpack, type: UNPACKEDPE Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.raw.unpack, type: UNPACKEDPE Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.aISbFyk4Lj.exe.484a9b8.2.raw.unpack, type: UNPACKEDPE Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: aISbFyk4Lj.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: QxHKzIlUxTf.exe.0.dr Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: classification engine Classification label: mal100.troj.evad.winEXE@8/5@15/1
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_0597143A AdjustTokenPrivileges, 0_2_0597143A
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_05971403 AdjustTokenPrivileges, 0_2_05971403
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe File created: C:\Users\user\AppData\Roaming\QxHKzIlUxTf.exe Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Mutant created: \Sessions\1\BaseNamedObjects\LiNEoHrmAt
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Mutant created: \Sessions\1\BaseNamedObjects\Global\.net clr networking
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:5232:120:WilError_01
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Mutant created: \Sessions\1\BaseNamedObjects\Global\{a7fa722b-7dae-45b1-afa6-302155a56210}
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe File created: C:\Users\user\AppData\Local\Temp\tmp8EF.tmp Jump to behavior
Source: aISbFyk4Lj.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Section loaded: C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\9603718106bd57ecfbb18fefd769cab4\mscorlib.ni.dll Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sorttbls.nlp Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sortkey.nlp Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Section loaded: C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\9603718106bd57ecfbb18fefd769cab4\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sorttbls.nlp Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sortkey.nlp Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe File read: C:\Users\user\Desktop\desktop.ini Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: Select * from Clientes WHERE id=@id;;
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: Select * from Aluguel Erro ao listar Banco sql-Aluguel.INSERT INTO Aluguel VALUES(@clienteID, @data);
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: Select * from SecurityLogonType WHERE id=@id;
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: Select * from SecurityLogonType WHERE modelo=@modelo;
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: INSERT INTO Itens_Aluguel VALUES(@aluguelID, @aviaoID, @validade);
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: Insert into Clientes values (@nome, @cpf, @rg, @cidade, @endereco, @uf, @telefone);
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: INSERT INTO Aluguel VALUES(@clienteID, @data);
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: INSERT INTO SecurityLogonType VALUES(@modelo, @fabricante, @ano, @cor);
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: Select * from SecurityLogonType*Erro ao listar Banco sql-SecurityLogonType,Select * from SecurityLogonType WHERE id=@id;Select * from SecurityLogonType WHERE (modelo LIKE @modelo)
Source: aISbFyk4Lj.exe Virustotal: Detection: 23%
Source: aISbFyk4Lj.exe ReversingLabs: Detection: 27%
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe File read: C:\Users\user\Desktop\aISbFyk4Lj.exe Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\aISbFyk4Lj.exe 'C:\Users\user\Desktop\aISbFyk4Lj.exe'
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\SysWOW64\schtasks.exe 'C:\Windows\System32\schtasks.exe' /Create /TN 'Updates\QxHKzIlUxTf' /XML 'C:\Users\user\AppData\Local\Temp\tmp8EF.tmp'
Source: C:\Windows\SysWOW64\schtasks.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\SysWOW64\schtasks.exe 'C:\Windows\System32\schtasks.exe' /Create /TN 'Updates\QxHKzIlUxTf' /XML 'C:\Users\user\AppData\Local\Temp\tmp8EF.tmp' Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95E15D0A-66E6-93D9-C53C-76E6219D3341}\InProcServer32 Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe File opened: C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorrc.dll Jump to behavior
Source: aISbFyk4Lj.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: aISbFyk4Lj.exe Static PE information: Virtual size of .text is bigger than: 0x100000
Source: aISbFyk4Lj.exe Static file information: File size 1476608 > 1048576
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe File opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dll Jump to behavior
Source: aISbFyk4Lj.exe Static PE information: Raw size of .text is bigger than: 0x100000 < 0x14d800
Source: aISbFyk4Lj.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: aISbFyk4Lj.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: Binary string: C:\Users\Administrator\Desktop\Client\Temp\aJUqyHKjYG\src\obj\Debug\getClaimsd95.pdbT source: aISbFyk4Lj.exe
Source: Binary string: C:\Users\Administrator\Desktop\Client\Temp\aJUqyHKjYG\src\obj\Debug\getClaimsd95.pdb source: aISbFyk4Lj.exe
Source: Binary string: \??\C:\Windows\symbols\dll\System.pdb source: RegSvcs.exe, 00000004.00000003.370702724.0000000000AF9000.00000004.00000001.sdmp
Source: Binary string: mscorrc.pdb source: aISbFyk4Lj.exe, 00000000.00000002.230993463.0000000005880000.00000002.00000001.sdmp

Data Obfuscation:

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Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C9838 push dword ptr [eax-67h]; ret 0_2_057C984E
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_057C842C push esp; iretd 0_2_057C842D
Source: initial sample Static PE information: section name: .text entropy: 7.93424696113
Source: initial sample Static PE information: section name: .text entropy: 7.93424696113

Persistence and Installation Behavior:

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Drops PE files
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe File created: C:\Users\user\AppData\Roaming\QxHKzIlUxTf.exe Jump to dropped file

Boot Survival:

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Uses schtasks.exe or at.exe to add and modify task schedules
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\SysWOW64\schtasks.exe 'C:\Windows\System32\schtasks.exe' /Create /TN 'Updates\QxHKzIlUxTf' /XML 'C:\Users\user\AppData\Local\Temp\tmp8EF.tmp'

Hooking and other Techniques for Hiding and Protection:

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Hides that the sample has been downloaded from the Internet (zone.identifier)
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe File opened: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe:Zone.Identifier read attributes | delete Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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Yara detected AntiVM3
Source: Yara match File source: 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: aISbFyk4Lj.exe PID: 3288, type: MEMORY
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: WINE_GET_UNIX_FILE_NAME
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: SBIEDLL.DLL
Contains capabilities to detect virtual machines
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe File opened / queried: SCSI#CdRom&Ven_NECVMWar&Prod_VMware_SATA_CD00#5&280b647&0&000000#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b} Jump to behavior
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Window / User API: threadDelayed 649 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Window / User API: foregroundWindowGot 645 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Window / User API: foregroundWindowGot 734 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe TID: 3704 Thread sleep time: -103557s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe TID: 3508 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Thread delayed: delay time: 103557 Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: vmware
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\VMWARE\VMWARE TOOLS\
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: SOFTWARE\VMware, Inc.\VMware Tools
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: VMware SVGA II!Add-MpPreference -ExclusionPath "
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: VMWARE
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: InstallPath%C:\PROGRAM FILES\VMWARE\VMWARE TOOLS\
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: VMWARE"SOFTWARE\VMware, Inc.\VMware ToolsLHARDWARE\DEVICEMAP\Scsi\Scsi Port 1\Scsi Bus 0\Target Id 0\Logical Unit Id 0LHARDWARE\DEVICEMAP\Scsi\Scsi Port 2\Scsi Bus 0\Target Id 0\Logical Unit Id 0'SYSTEM\ControlSet001\Services\Disk\Enum
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: VMware SVGA II
Source: aISbFyk4Lj.exe, 00000000.00000002.227476170.000000000362D000.00000004.00000001.sdmp Binary or memory string: vmwareNSYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process information queried: ProcessInformation Jump to behavior

Anti Debugging:

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Enables debug privileges
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

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Allocates memory in foreign processes
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Memory allocated: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe base: 400000 protect: page execute and read and write Jump to behavior
Injects a PE file into a foreign processes
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Memory written: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe base: 400000 value starts with: 4D5A Jump to behavior
Writes to foreign memory regions
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Memory written: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe base: 400000 Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Memory written: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe base: 402000 Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Memory written: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe base: 420000 Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Memory written: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe base: 422000 Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Memory written: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe base: 664008 Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\SysWOW64\schtasks.exe 'C:\Windows\System32\schtasks.exe' /Create /TN 'Updates\QxHKzIlUxTf' /XML 'C:\Users\user\AppData\Local\Temp\tmp8EF.tmp' Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Jump to behavior
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe Jump to behavior
Source: RegSvcs.exe, 00000004.00000003.295080067.0000000000ABB000.00000004.00000001.sdmp Binary or memory string: Program Manager
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Code function: 0_2_018FB0BE GetUserNameW, 0_2_018FB0BE
Source: C:\Users\user\Desktop\aISbFyk4Lj.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information:

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Yara detected Nanocore RAT
Source: Yara match File source: 00000000.00000002.227998353.00000000045E1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 0.2.aISbFyk4Lj.exe.484a9b8.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.aISbFyk4Lj.exe.484a9b8.2.raw.unpack, type: UNPACKEDPE

Remote Access Functionality:

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Yara detected Nanocore RAT
Source: Yara match File source: 00000000.00000002.227998353.00000000045E1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 0.2.aISbFyk4Lj.exe.484a9b8.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.aISbFyk4Lj.exe.484a9b8.2.raw.unpack, type: UNPACKEDPE
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 412223 Sample: aISbFyk4Lj.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for domain / URL 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 7 aISbFyk4Lj.exe 9 2->7         started        process3 file4 22 C:\Users\user\AppData\...\QxHKzIlUxTf.exe, PE32 7->22 dropped 24 C:\Users\...\QxHKzIlUxTf.exe:Zone.Identifier, ASCII 7->24 dropped 26 C:\Users\user\AppData\Local\Temp\tmp8EF.tmp, XML 7->26 dropped 28 C:\Users\user\AppData\...\aISbFyk4Lj.exe.log, ASCII 7->28 dropped 44 Uses schtasks.exe or at.exe to add and modify task schedules 7->44 46 Writes to foreign memory regions 7->46 48 Allocates memory in foreign processes 7->48 50 Injects a PE file into a foreign processes 7->50 11 RegSvcs.exe 8 7->11         started        16 schtasks.exe 1 7->16         started        18 RegSvcs.exe 7->18         started        signatures5 process6 dnsIp7 32 wespeaktruthtoman.sytes.net 105.112.208.19, 5600 VNL1-ASNG Nigeria 11->32 34 wespeaktruthtoman12.sytes.net 11->34 30 C:\Users\user\AppData\Roaming\...\run.dat, International 11->30 dropped 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->52 20 conhost.exe 16->20         started        file8 signatures9 process10
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
105.112.208.19
 wespeaktruthtoman.sytes.net Nigeria
36873 VNL1-ASNG true

Contacted Domains

Name IP Active
wespeaktruthtoman.sytes.net 105.112.208.19 true
wespeaktruthtoman12.sytes.net unknown unknown

Contacted URLs

Name Malicious Antivirus Detection Reputation
wespeaktruthtoman.sytes.net true
  • 8%, Virustotal, Browse
  • Avira URL Cloud: safe
 unknown
wespeaktruthtoman12.sytes.net true
  • Avira URL Cloud: safe
 unknown