Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 01:53

General

  • Target

    61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe

  • Size

    682KB

  • MD5

    7a89cfd55b6dcbbe3df7b83eff0bf861

  • SHA1

    e455b447960fb01b99587149c7dd1ab2f6b62d79

  • SHA256

    61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0

  • SHA512

    75de6a2e9c98f11115c02abdb176f7e42fe5fdfc913f13b162e762812898834807c225c4a624eaa3201d4818c0adc760c66fd0855f0c01b69e19573eea6d76b4

  • SSDEEP

    12288:k08bQbNO4o5PvOCjcUaS/PyruK/TunvIzl9R2Q5ikdPOwniuoo6cfOZ:knItSOCjjqaG4gJrCwni9hS

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.

  • 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 8 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\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe
    "C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.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:2996
    • 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\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2912
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aXrHAJsui.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4984
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aXrHAJsui" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8E0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5064
    • C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe
      "C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.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:868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    2baa41137b16970127c0c77861e7952d

    SHA1

    cb3ca6c95d0b70e436c990493cba266bc97ccca5

    SHA256

    848e96876edb3fc4ac33659c59fbc0ad731c4c346a6287f9d04446ad6c7f1ee8

    SHA512

    c906cabd1737314ecaa4c29f1ed3d7c48bef470740a5d070ab15803424a4646741e19767ec6fe8f2b28184621dddab260d0d3106f93a9a7f3bfeb88d11ee548c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o0z1hav2.2hh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB8E0.tmp

    Filesize

    1KB

    MD5

    1ab159808c4694575230d5ac50de7ce8

    SHA1

    c86a9f36a5dad58d7d65dc1f8e281ea7a163b44a

    SHA256

    4f405c07b13e79ea6035a9a1766ade1b7766f7cd15cecbcef240b2e1f3348338

    SHA512

    2d1d4448c5216194afdb2ceb395ffb0c27ad5a1feda6beaf72a1d4ba8d65d2774d2c89d2bab5e662fd35bb9e8b88f1d9e2efb7523ac9c54cba44b241e3288477

  • memory/868-91-0x0000000006210000-0x0000000006260000-memory.dmp

    Filesize

    320KB

  • memory/868-90-0x0000000006370000-0x0000000006532000-memory.dmp

    Filesize

    1.8MB

  • memory/868-36-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2912-33-0x00000000058D0000-0x0000000005936000-memory.dmp

    Filesize

    408KB

  • memory/2912-78-0x00000000074F0000-0x0000000007501000-memory.dmp

    Filesize

    68KB

  • memory/2912-89-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-81-0x0000000007630000-0x000000000764A000-memory.dmp

    Filesize

    104KB

  • memory/2912-15-0x0000000004A20000-0x0000000004A56000-memory.dmp

    Filesize

    216KB

  • memory/2912-17-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-18-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-16-0x00000000050D0000-0x00000000056F8000-memory.dmp

    Filesize

    6.2MB

  • memory/2912-79-0x0000000007520000-0x000000000752E000-memory.dmp

    Filesize

    56KB

  • memory/2912-77-0x0000000007570000-0x0000000007606000-memory.dmp

    Filesize

    600KB

  • memory/2912-74-0x0000000007940000-0x0000000007FBA000-memory.dmp

    Filesize

    6.5MB

  • memory/2912-22-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/2912-72-0x0000000007170000-0x000000000718E000-memory.dmp

    Filesize

    120KB

  • memory/2912-52-0x0000000071040000-0x000000007108C000-memory.dmp

    Filesize

    304KB

  • memory/2912-34-0x0000000005940000-0x00000000059A6000-memory.dmp

    Filesize

    408KB

  • memory/2996-8-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-39-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

    Filesize

    4KB

  • memory/2996-1-0x0000000000480000-0x0000000000530000-memory.dmp

    Filesize

    704KB

  • memory/2996-5-0x00000000050D0000-0x00000000050DA000-memory.dmp

    Filesize

    40KB

  • memory/2996-2-0x00000000053E0000-0x0000000005984000-memory.dmp

    Filesize

    5.6MB

  • memory/2996-9-0x0000000008BB0000-0x0000000008C3C000-memory.dmp

    Filesize

    560KB

  • memory/2996-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

    Filesize

    584KB

  • memory/2996-4-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-10-0x000000000B410000-0x000000000B4AC000-memory.dmp

    Filesize

    624KB

  • memory/2996-6-0x0000000005330000-0x0000000005342000-memory.dmp

    Filesize

    72KB

  • memory/2996-7-0x00000000749AE000-0x00000000749AF000-memory.dmp

    Filesize

    4KB

  • memory/4984-75-0x00000000070E0000-0x00000000070FA000-memory.dmp

    Filesize

    104KB

  • memory/4984-51-0x0000000006F40000-0x0000000006F72000-memory.dmp

    Filesize

    200KB

  • memory/4984-76-0x0000000007150000-0x000000000715A000-memory.dmp

    Filesize

    40KB

  • memory/4984-20-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-38-0x0000000005930000-0x0000000005C84000-memory.dmp

    Filesize

    3.3MB

  • memory/4984-73-0x0000000006F80000-0x0000000007023000-memory.dmp

    Filesize

    652KB

  • memory/4984-80-0x0000000007320000-0x0000000007334000-memory.dmp

    Filesize

    80KB

  • memory/4984-21-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-82-0x0000000007400000-0x0000000007408000-memory.dmp

    Filesize

    32KB

  • memory/4984-35-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-53-0x0000000071040000-0x000000007108C000-memory.dmp

    Filesize

    304KB

  • memory/4984-50-0x00000000060D0000-0x000000000611C000-memory.dmp

    Filesize

    304KB

  • memory/4984-88-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-49-0x0000000005DA0000-0x0000000005DBE000-memory.dmp

    Filesize

    120KB

  • memory/4984-28-0x0000000005630000-0x0000000005652000-memory.dmp

    Filesize

    136KB