Analysis Report SecuriteInfo.com.Variant.Razy.845229.13077.24263

Overview

General Information

Sample Name: SecuriteInfo.com.Variant.Razy.845229.13077.24263 (renamed file extension from 24263 to exe)
Analysis ID: 356594
MD5: 532e58083cf5638b05f617fcbbb5d63b
SHA1: 98058e52de678575ff2327d129a58313af4a3fc0
SHA256: 75888910c75a9858137089eb35d48b6b1af6d43817e9a1dbb9fbc409fdaad511
Tags: GuLoader

Most interesting Screenshot:

Detection

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

Signatures

Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Machine Learning detection for sample
Tries to detect Any.run
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Abnormal high CPU Usage
Checks if the current process is being debugged
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Drops PE files
Enables debug privileges
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains an invalid checksum
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
Tries to load missing DLLs
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)

Classification

AV Detection:

barindex
Multi AV Scanner detection for domain / URL
Source: mtspsmjeli.sch.id Virustotal: Detection: 12% Perma Link
Source: http://mtspsmjeli.sch.id/cl/Maly%20nanocre%202021_ECMFFfzt176.bin Virustotal: Detection: 15% Perma Link
Multi AV Scanner detection for submitted file
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe Virustotal: Detection: 32% Perma Link
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe ReversingLabs: Detection: 36%
Machine Learning detection for sample
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe Joe Sandbox ML: detected

Compliance:

barindex
Uses 32bit PE files
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Uses new MSVCR Dlls
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dll Jump to behavior
Binary contains paths to debug symbols
Source: Binary string: RegAsm.pdb source: dhcpmon.exe, dhcpmon.exe.26.dr

Networking:

barindex
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 103.150.60.242 103.150.60.242
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: PC24NET-AS-IDPTPC24TelekomunikasiIndonesiaID PC24NET-AS-IDPTPC24TelekomunikasiIndonesiaID
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /cl/Maly%20nanocre%202021_ECMFFfzt176.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoHost: mtspsmjeli.sch.idCache-Control: no-cache
Source: global traffic HTTP traffic detected: GET /cl/Maly%20nanocre%202021_ECMFFfzt176.bin HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoHost: mtspsmjeli.sch.idCache-Control: no-cache
Source: unknown DNS traffic detected: queries for: mtspsmjeli.sch.id

System Summary:

barindex
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Process Stats: CPU usage > 98%
Detected potential crypto function
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Code function: 0_2_00402BF2 0_2_00402BF2
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Code function: 31_2_02A201C8 31_2_02A201C8
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Code function: 34_2_00D001C8 34_2_00D001C8
PE file contains strange resources
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe 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: SecuriteInfo.com.Variant.Razy.845229.13077.exe, 00000000.00000002.732019072.0000000000418000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameCompurgato.exe vs SecuriteInfo.com.Variant.Razy.845229.13077.exe
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe, 00000000.00000002.732287470.00000000020A0000.00000002.00000001.sdmp Binary or memory string: OriginalFilenameuser32j% vs SecuriteInfo.com.Variant.Razy.845229.13077.exe
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe Binary or memory string: OriginalFilenameCompurgato.exe vs SecuriteInfo.com.Variant.Razy.845229.13077.exe
Tries to load missing DLLs
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Section loaded: sfc.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Section loaded: sfc.dll Jump to behavior
Uses 32bit PE files
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: classification engine Classification label: mal100.evad.winEXE@13/9@7/2
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File created: C:\Program Files (x86)\DHCP Monitor Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File created: C:\Users\user\AppData\Roaming\D06ED635-68F6-4E9A-955C-4899F5F57B9A Jump to behavior
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:5964:120:WilError_01
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Mutant created: \Sessions\1\BaseNamedObjects\Global\.net clr networking
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:1000:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6528:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:4572:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:2872:120:WilError_01
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Mutant created: \Sessions\1\BaseNamedObjects\Global\{8b6f465d-30c8-4bc5-bfa5-37d69ca0c565}
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe File created: C:\Users\user\AppData\Local\Temp\~DFA5C9EF9AD60B9A70.TMP Jump to behavior
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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\RegAsm.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\RegAsm.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\RegAsm.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\RegAsm.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\RegAsm.exe Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sortkey.nlp Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Section loaded: C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\9603718106bd57ecfbb18fefd769cab4\mscorlib.ni.dll Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sorttbls.nlp Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sortkey.nlp Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe Virustotal: Detection: 32%
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe ReversingLabs: Detection: 36%
Source: unknown Process created: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe 'C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe'
Source: unknown Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe 'C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe'
Source: unknown Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknown Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor' /xml 'C:\Users\user\AppData\Local\Temp\tmp167E.tmp'
Source: unknown Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknown Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor Task' /xml 'C:\Users\user\AppData\Local\Temp\tmp19AB.tmp'
Source: unknown Process created: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe 0
Source: unknown Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknown Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknown Process created: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe 'C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe' 0
Source: unknown Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor' /xml 'C:\Users\user\AppData\Local\Temp\tmp167E.tmp' Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor Task' /xml 'C:\Users\user\AppData\Local\Temp\tmp19AB.tmp' Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A29FF9E-7F9C-4437-8B11-F424491E3931}\InprocServer32 Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File opened: C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorrc.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dll Jump to behavior
Source: Binary string: RegAsm.pdb source: dhcpmon.exe, dhcpmon.exe.26.dr

Data Obfuscation:

barindex
PE file contains an invalid checksum
Source: SecuriteInfo.com.Variant.Razy.845229.13077.exe Static PE information: real checksum: 0x26551 should be: 0x275bd
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Code function: 0_2_00407E1F push 807BA529h; ret 0_2_00407E24
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Code function: 0_2_00407A97 push 807BC128h; ret 0_2_00407A9C
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Code function: 0_2_00405745 push F7686868h; ret 0_2_00405763
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Code function: 0_2_00405DEC push DD0F66F5h; ret 0_2_00405DF1

Persistence and Installation Behavior:

barindex
Drops PE files
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File created: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Jump to dropped file

Boot Survival:

barindex
Uses schtasks.exe or at.exe to add and modify task schedules
Source: unknown Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor' /xml 'C:\Users\user\AppData\Local\Temp\tmp167E.tmp'

Hooking and other Techniques for Hiding and Protection:

barindex
Hides that the sample has been downloaded from the Internet (zone.identifier)
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File opened: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe:Zone.Identifier read attributes | delete Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\schtasks.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\schtasks.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\schtasks.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\schtasks.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\schtasks.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\schtasks.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\schtasks.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\schtasks.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

barindex
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe RDTSC instruction interceptor: First address: 00000000004F6455 second address: 00000000004F6455 instructions:
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe RDTSC instruction interceptor: First address: 00000000004F3C04 second address: 00000000004F3C04 instructions:
Tries to detect Any.run
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Tries to detect virtualization through RDTSC time measurements
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe RDTSC instruction interceptor: First address: 00000000004F6455 second address: 00000000004F6455 instructions:
Source: C:\Users\user\Desktop\SecuriteInfo.com.Variant.Razy.845229.13077.exe RDTSC instruction interceptor: First address: 00000000004F3C04 second address: 00000000004F3C04 instructions:
Contains long sleeps (>= 3 min)
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe Thread delayed: delay time: 922337203685477 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe TID: 6580 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe TID: 6028 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe TID: 3560 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:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process information queried: ProcessInformation Jump to behavior

Anti Debugging:

barindex
Hides threads from debuggers
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Thread information set: HideFromDebugger Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Thread information set: HideFromDebugger Jump to behavior
Checks if the current process is being debugged
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process queried: DebugPort Jump to behavior
Enables debug privileges
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process token adjusted: Debug Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

barindex
Creates a process in suspended mode (likely to inject code)
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor' /xml 'C:\Users\user\AppData\Local\Temp\tmp167E.tmp' Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor Task' /xml 'C:\Users\user\AppData\Local\Temp\tmp19AB.tmp' Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
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 dnsIp2 2 Behavior Graph ID: 356594 Sample: SecuriteInfo.com.Variant.Ra... Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 45 ghsgatvxbznmklopwagdhusvxbznxgtewuahjkop.ydns.eu 2->45 53 Multi AV Scanner detection for domain / URL 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 3 other signatures 2->59 9 SecuriteInfo.com.Variant.Razy.845229.13077.exe 1 2->9         started        12 dhcpmon.exe 4 2->12         started        14 RegAsm.exe 4 2->14         started        signatures3 process4 signatures5 61 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 9->61 63 Tries to detect virtualization through RDTSC time measurements 9->63 16 RegAsm.exe 1 20 9->16         started        21 conhost.exe 12->21         started        23 conhost.exe 14->23         started        process6 dnsIp7 41 mtspsmjeli.sch.id 103.150.60.242, 49741, 80 PC24NET-AS-IDPTPC24TelekomunikasiIndonesiaID unknown 16->41 43 ghsgatvxbznmklopwagdhusvxbznxgtewuahjkop.ydns.eu 10.2.118.40, 6932 unknown unknown 16->43 35 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 16->35 dropped 37 C:\Users\user\AppData\Local\...\tmp167E.tmp, XML 16->37 dropped 39 C:\Program Files (x86)\...\dhcpmon.exe, PE32 16->39 dropped 47 Tries to detect Any.run 16->47 49 Hides threads from debuggers 16->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->51 25 schtasks.exe 1 16->25         started        27 schtasks.exe 1 16->27         started        29 conhost.exe 16->29         started        file8 signatures9 process10 process11 31 conhost.exe 25->31         started        33 conhost.exe 27->33         started       
  • 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
103.150.60.242
 unknown unknown
45325 PC24NET-AS-IDPTPC24TelekomunikasiIndonesiaID true

Private
IP
10.2.118.40

Contacted Domains

Name IP Active
mtspsmjeli.sch.id 103.150.60.242 true
ghsgatvxbznmklopwagdhusvxbznxgtewuahjkop.ydns.eu 10.2.118.40 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
http://mtspsmjeli.sch.id/cl/Maly%20nanocre%202021_ECMFFfzt176.bin true
  • 15%, Virustotal, Browse
  • Avira URL Cloud: safe
 unknown