Analysis

  • max time kernel
    134s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2024 17:21

General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.14627.27546.exe

  • Size

    981KB

  • MD5

    462a9165371be9c5f86b76adbc068d37

  • SHA1

    ff92bce9d712585aea9d85be80c3142a23353613

  • SHA256

    20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79

  • SHA512

    c4008ca783ff00c5416167731944c5b5dcdeb7eefd114b6c2ad450b60e49a01cda62eab377c5e7cf084382c5b7738c7756a3a4875c7de732ff2d8a91bc62a601

  • SSDEEP

    12288:NiweayfGZVFFaAmpa/JQYemIy0R5C83ju8IhEZEusORzu+2p4EeP1R6FUkR:YweaMGj+Vzy0PC837IYHsU1Ma6FT

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14627.27546.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14627.27546.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14627.27546.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VbOcmCITQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4192
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VbOcmCITQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1AF5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4544
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14627.27546.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.14627.27546.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    39a10023ba4bc2811c85d15476d32137

    SHA1

    9e3a8ea22a746bbd9b7c091537ec2850ad385f38

    SHA256

    3bfe0d2a0c6f8aa06e2b440f200993e54038b474fbb1ab7e5ea669e987352987

    SHA512

    47198ca1af1cf61c76b79b3995f9e9ac9c1ae0b1dc3abec76729ec29ebac53fea5c180a9696b8cf58caa052961f000fcf1027a6986959970667455dba832bd72

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kzzlgs44.1he.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp1AF5.tmp

    Filesize

    1KB

    MD5

    add74cc99978859e0b7365210a6196da

    SHA1

    7a3d8841a85eedefbf075316d491c99983b00c84

    SHA256

    bd84dd7f24cb1a7ec08e58f0b629e68c93224a91307e51788fbd5e875b17d9f5

    SHA512

    34995aaa0cbecf4d85a367957d2bd615dfe30ed01db7b1c41669d356359055da6c74e17957690369966f8615ae1a0434b66e89d13cb84b4c4b2632c9e2b72862

  • memory/1728-24-0x00000000056F0000-0x0000000005756000-memory.dmp

    Filesize

    408KB

  • memory/1728-78-0x0000000007310000-0x0000000007321000-memory.dmp

    Filesize

    68KB

  • memory/1728-89-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1728-79-0x0000000007340000-0x000000000734E000-memory.dmp

    Filesize

    56KB

  • memory/1728-77-0x0000000007390000-0x0000000007426000-memory.dmp

    Filesize

    600KB

  • memory/1728-75-0x0000000007110000-0x000000000712A000-memory.dmp

    Filesize

    104KB

  • memory/1728-74-0x0000000007750000-0x0000000007DCA000-memory.dmp

    Filesize

    6.5MB

  • memory/1728-73-0x0000000006FE0000-0x0000000007083000-memory.dmp

    Filesize

    652KB

  • memory/1728-16-0x0000000004810000-0x0000000004846000-memory.dmp

    Filesize

    216KB

  • memory/1728-18-0x0000000004EA0000-0x00000000054C8000-memory.dmp

    Filesize

    6.2MB

  • memory/1728-19-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1728-17-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1728-20-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/1728-62-0x0000000006F70000-0x0000000006F8E000-memory.dmp

    Filesize

    120KB

  • memory/1728-52-0x0000000071720000-0x000000007176C000-memory.dmp

    Filesize

    304KB

  • memory/1728-51-0x0000000006F90000-0x0000000006FC2000-memory.dmp

    Filesize

    200KB

  • memory/1728-25-0x00000000057D0000-0x0000000005836000-memory.dmp

    Filesize

    408KB

  • memory/1728-36-0x0000000005840000-0x0000000005B94000-memory.dmp

    Filesize

    3.3MB

  • memory/1728-23-0x0000000005550000-0x0000000005572000-memory.dmp

    Filesize

    136KB

  • memory/3376-90-0x0000000006850000-0x0000000006A12000-memory.dmp

    Filesize

    1.8MB

  • memory/3376-91-0x00000000066E0000-0x0000000006730000-memory.dmp

    Filesize

    320KB

  • memory/3376-46-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4192-81-0x0000000007660000-0x000000000767A000-memory.dmp

    Filesize

    104KB

  • memory/4192-82-0x0000000007640000-0x0000000007648000-memory.dmp

    Filesize

    32KB

  • memory/4192-50-0x0000000006470000-0x00000000064BC000-memory.dmp

    Filesize

    304KB

  • memory/4192-49-0x0000000005FF0000-0x000000000600E000-memory.dmp

    Filesize

    120KB

  • memory/4192-22-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/4192-63-0x0000000071720000-0x000000007176C000-memory.dmp

    Filesize

    304KB

  • memory/4192-21-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/4192-88-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/4192-76-0x0000000007390000-0x000000000739A000-memory.dmp

    Filesize

    40KB

  • memory/4192-80-0x0000000007560000-0x0000000007574000-memory.dmp

    Filesize

    80KB

  • memory/4764-7-0x00000000057F0000-0x000000000580E000-memory.dmp

    Filesize

    120KB

  • memory/4764-8-0x000000007519E000-0x000000007519F000-memory.dmp

    Filesize

    4KB

  • memory/4764-5-0x00000000050C0000-0x00000000050CA000-memory.dmp

    Filesize

    40KB

  • memory/4764-48-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/4764-10-0x0000000004B80000-0x0000000004C0C000-memory.dmp

    Filesize

    560KB

  • memory/4764-3-0x0000000005100000-0x0000000005192000-memory.dmp

    Filesize

    584KB

  • memory/4764-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

    Filesize

    5.6MB

  • memory/4764-0-0x000000007519E000-0x000000007519F000-memory.dmp

    Filesize

    4KB

  • memory/4764-11-0x000000000E050000-0x000000000E0EC000-memory.dmp

    Filesize

    624KB

  • memory/4764-6-0x00000000065B0000-0x0000000006670000-memory.dmp

    Filesize

    768KB

  • memory/4764-1-0x0000000000620000-0x0000000000718000-memory.dmp

    Filesize

    992KB

  • memory/4764-4-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB

  • memory/4764-9-0x0000000075190000-0x0000000075940000-memory.dmp

    Filesize

    7.7MB