Analysis

  • max time kernel
    119s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2024 18:22

General

  • Target

    2b845ff4c5ee973861ccb905e73fed0bbd46ce5e311fc8910d188ec839226f58.exe

  • Size

    759KB

  • MD5

    7578316e563e8a4a2983ae041a5fff39

  • SHA1

    fa5a6777784f272b191803d03a49dfe40354bcf2

  • SHA256

    2b845ff4c5ee973861ccb905e73fed0bbd46ce5e311fc8910d188ec839226f58

  • SHA512

    225fa056dff9c59915fbfe593d3d336c133eeab6be80f48de976f8d14cd773bde21716f489b45c007310da6eb61c9bd6681a7ec0a80559b246af07a1346dc9ba

  • SSDEEP

    12288:wQxqGZeM0K//AJPeewwEdg1+5u+p/GToqkWr5Ce5l4P09reMXrPRk:wYZJX4Peemfu+p/GTnkXe5l4P0peML

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 1 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b845ff4c5ee973861ccb905e73fed0bbd46ce5e311fc8910d188ec839226f58.exe
    "C:\Users\Admin\AppData\Local\Temp\2b845ff4c5ee973861ccb905e73fed0bbd46ce5e311fc8910d188ec839226f58.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:2780
    • 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\2b845ff4c5ee973861ccb905e73fed0bbd46ce5e311fc8910d188ec839226f58.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1000
    • C:\Users\Admin\AppData\Local\Temp\2b845ff4c5ee973861ccb905e73fed0bbd46ce5e311fc8910d188ec839226f58.exe
      "C:\Users\Admin\AppData\Local\Temp\2b845ff4c5ee973861ccb905e73fed0bbd46ce5e311fc8910d188ec839226f58.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:4656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2b845ff4c5ee973861ccb905e73fed0bbd46ce5e311fc8910d188ec839226f58.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fs3rvirz.gmn.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1000-51-0x00000000077F0000-0x000000000780A000-memory.dmp

    Filesize

    104KB

  • memory/1000-16-0x0000000002BD0000-0x0000000002C06000-memory.dmp

    Filesize

    216KB

  • memory/1000-24-0x0000000005EB0000-0x0000000005F16000-memory.dmp

    Filesize

    408KB

  • memory/1000-23-0x0000000005E40000-0x0000000005EA6000-memory.dmp

    Filesize

    408KB

  • memory/1000-61-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-58-0x0000000007B10000-0x0000000007B18000-memory.dmp

    Filesize

    32KB

  • memory/1000-57-0x0000000007B30000-0x0000000007B4A000-memory.dmp

    Filesize

    104KB

  • memory/1000-56-0x0000000007A30000-0x0000000007A44000-memory.dmp

    Filesize

    80KB

  • memory/1000-55-0x0000000007A20000-0x0000000007A2E000-memory.dmp

    Filesize

    56KB

  • memory/1000-54-0x00000000079F0000-0x0000000007A01000-memory.dmp

    Filesize

    68KB

  • memory/1000-53-0x0000000007A70000-0x0000000007B06000-memory.dmp

    Filesize

    600KB

  • memory/1000-52-0x0000000007860000-0x000000000786A000-memory.dmp

    Filesize

    40KB

  • memory/1000-50-0x0000000007E30000-0x00000000084AA000-memory.dmp

    Filesize

    6.5MB

  • memory/1000-36-0x0000000006560000-0x00000000065AC000-memory.dmp

    Filesize

    304KB

  • memory/1000-17-0x00000000055F0000-0x0000000005C18000-memory.dmp

    Filesize

    6.2MB

  • memory/1000-22-0x0000000005DA0000-0x0000000005DC2000-memory.dmp

    Filesize

    136KB

  • memory/1000-19-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-20-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-49-0x00000000076E0000-0x0000000007783000-memory.dmp

    Filesize

    652KB

  • memory/1000-48-0x0000000006A60000-0x0000000006A7E000-memory.dmp

    Filesize

    120KB

  • memory/1000-38-0x000000006FE30000-0x000000006FE7C000-memory.dmp

    Filesize

    304KB

  • memory/1000-37-0x00000000074A0000-0x00000000074D2000-memory.dmp

    Filesize

    200KB

  • memory/1000-18-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-34-0x0000000006020000-0x0000000006374000-memory.dmp

    Filesize

    3.3MB

  • memory/1000-35-0x00000000064C0000-0x00000000064DE000-memory.dmp

    Filesize

    120KB

  • memory/2780-0-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB

  • memory/2780-7-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB

  • memory/2780-4-0x0000000004D20000-0x0000000004D2A000-memory.dmp

    Filesize

    40KB

  • memory/2780-1-0x00000000003A0000-0x0000000000462000-memory.dmp

    Filesize

    776KB

  • memory/2780-6-0x0000000005100000-0x000000000511E000-memory.dmp

    Filesize

    120KB

  • memory/2780-2-0x0000000005300000-0x00000000058A4000-memory.dmp

    Filesize

    5.6MB

  • memory/2780-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp

    Filesize

    584KB

  • memory/2780-5-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-14-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-8-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-10-0x000000000ADC0000-0x000000000AE5C000-memory.dmp

    Filesize

    624KB

  • memory/2780-9-0x00000000026E0000-0x000000000276C000-memory.dmp

    Filesize

    560KB

  • memory/4656-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4656-15-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4656-21-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4656-62-0x0000000074420000-0x0000000074BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4656-63-0x00000000064D0000-0x0000000006692000-memory.dmp

    Filesize

    1.8MB

  • memory/4656-64-0x0000000006350000-0x00000000063A0000-memory.dmp

    Filesize

    320KB