Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2024 03:13

General

  • Target

    9f7bbe4b657f8a881b586469be5915b8e677b5a9bc111a5296e90030c7ed0ffe.exe

  • Size

    895KB

  • MD5

    8abb5d3382080c87931a5e34c256f990

  • SHA1

    b8f99657ae329a4e299e649f16ed1f6004f73994

  • SHA256

    9f7bbe4b657f8a881b586469be5915b8e677b5a9bc111a5296e90030c7ed0ffe

  • SHA512

    c105a985e515718477fd7dc76f984d56a7d68798a443ad4dea2df94820756801f76ab81e1c5b9065be1493e783c7edb4bb4b4b861d6ddc2b7727a0e72b247414

  • SSDEEP

    12288:HNT+fj05JDHmQaRyWrXOBV9q2Rd7LdUHnjbxS2Kl60/IAsTr:tejyZGQaIVqQRcZSJl60AAsf

Malware Config

Extracted

Family

vipkeylogger

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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f7bbe4b657f8a881b586469be5915b8e677b5a9bc111a5296e90030c7ed0ffe.exe
    "C:\Users\Admin\AppData\Local\Temp\9f7bbe4b657f8a881b586469be5915b8e677b5a9bc111a5296e90030c7ed0ffe.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:3656
    • 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\9f7bbe4b657f8a881b586469be5915b8e677b5a9bc111a5296e90030c7ed0ffe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4656
    • C:\Users\Admin\AppData\Local\Temp\9f7bbe4b657f8a881b586469be5915b8e677b5a9bc111a5296e90030c7ed0ffe.exe
      "C:\Users\Admin\AppData\Local\Temp\9f7bbe4b657f8a881b586469be5915b8e677b5a9bc111a5296e90030c7ed0ffe.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\9f7bbe4b657f8a881b586469be5915b8e677b5a9bc111a5296e90030c7ed0ffe.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_auligtzt.m4y.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1316-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1316-20-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/1316-62-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/1316-63-0x0000000006920000-0x0000000006AE2000-memory.dmp

    Filesize

    1.8MB

  • memory/1316-64-0x00000000067A0000-0x00000000067F0000-memory.dmp

    Filesize

    320KB

  • memory/1316-65-0x0000000007020000-0x000000000754C000-memory.dmp

    Filesize

    5.2MB

  • memory/1316-14-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/3656-5-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/3656-10-0x000000000A540000-0x000000000A5DC000-memory.dmp

    Filesize

    624KB

  • memory/3656-9-0x0000000006A50000-0x0000000006ADE000-memory.dmp

    Filesize

    568KB

  • memory/3656-8-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/3656-7-0x000000007455E000-0x000000007455F000-memory.dmp

    Filesize

    4KB

  • memory/3656-15-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/3656-6-0x0000000006790000-0x00000000067AC000-memory.dmp

    Filesize

    112KB

  • memory/3656-0-0x000000007455E000-0x000000007455F000-memory.dmp

    Filesize

    4KB

  • memory/3656-4-0x00000000054F0000-0x00000000054FA000-memory.dmp

    Filesize

    40KB

  • memory/3656-3-0x0000000005430000-0x00000000054C2000-memory.dmp

    Filesize

    584KB

  • memory/3656-2-0x00000000058E0000-0x0000000005E84000-memory.dmp

    Filesize

    5.6MB

  • memory/3656-1-0x0000000000AA0000-0x0000000000B86000-memory.dmp

    Filesize

    920KB

  • memory/4656-22-0x0000000004CD0000-0x0000000004D36000-memory.dmp

    Filesize

    408KB

  • memory/4656-52-0x0000000007010000-0x000000000701A000-memory.dmp

    Filesize

    40KB

  • memory/4656-24-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/4656-21-0x0000000004C30000-0x0000000004C52000-memory.dmp

    Filesize

    136KB

  • memory/4656-30-0x0000000005630000-0x0000000005984000-memory.dmp

    Filesize

    3.3MB

  • memory/4656-35-0x0000000005C80000-0x0000000005C9E000-memory.dmp

    Filesize

    120KB

  • memory/4656-36-0x0000000005D10000-0x0000000005D5C000-memory.dmp

    Filesize

    304KB

  • memory/4656-48-0x0000000006230000-0x000000000624E000-memory.dmp

    Filesize

    120KB

  • memory/4656-38-0x000000006FF80000-0x000000006FFCC000-memory.dmp

    Filesize

    304KB

  • memory/4656-37-0x0000000006C70000-0x0000000006CA2000-memory.dmp

    Filesize

    200KB

  • memory/4656-49-0x0000000006CB0000-0x0000000006D53000-memory.dmp

    Filesize

    652KB

  • memory/4656-50-0x00000000075E0000-0x0000000007C5A000-memory.dmp

    Filesize

    6.5MB

  • memory/4656-51-0x0000000006FA0000-0x0000000006FBA000-memory.dmp

    Filesize

    104KB

  • memory/4656-23-0x00000000054C0000-0x0000000005526000-memory.dmp

    Filesize

    408KB

  • memory/4656-53-0x0000000007220000-0x00000000072B6000-memory.dmp

    Filesize

    600KB

  • memory/4656-54-0x00000000071A0000-0x00000000071B1000-memory.dmp

    Filesize

    68KB

  • memory/4656-55-0x00000000071D0000-0x00000000071DE000-memory.dmp

    Filesize

    56KB

  • memory/4656-56-0x00000000071E0000-0x00000000071F4000-memory.dmp

    Filesize

    80KB

  • memory/4656-58-0x00000000072C0000-0x00000000072C8000-memory.dmp

    Filesize

    32KB

  • memory/4656-57-0x00000000072E0000-0x00000000072FA000-memory.dmp

    Filesize

    104KB

  • memory/4656-61-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/4656-19-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/4656-18-0x0000000074550000-0x0000000074D00000-memory.dmp

    Filesize

    7.7MB

  • memory/4656-17-0x0000000004D60000-0x0000000005388000-memory.dmp

    Filesize

    6.2MB

  • memory/4656-16-0x00000000022C0000-0x00000000022F6000-memory.dmp

    Filesize

    216KB