Analysis

  • max time kernel
    93s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 08:39

General

  • Target

    c35fe2982c10692b54cf8997652a6fed6bd6c9192b72762e9022f167d082cf28.exe

  • Size

    1.1MB

  • MD5

    7795c4e98223a2d100e2fe9579905430

  • SHA1

    77f2964fc77174112a99e505c010e618b57fdbaa

  • SHA256

    c35fe2982c10692b54cf8997652a6fed6bd6c9192b72762e9022f167d082cf28

  • SHA512

    bbe45c0b7b1d37114e53dafe620889e62b1b97466229d8a8a8e629c9c6aa74a58ef8617a53ad527e0bbc5f23327b3e03147d76632f884b36a32591de281e45be

  • SSDEEP

    12288:h2qg/s0y5YcxaVP8vSgwnSq6PnSU9n8L/mNgmRnslLA0ylZf1SLicDiriut+uXeH:5gHcoPRjhmSU98LUdmLA0y/1SucUUIeH

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c35fe2982c10692b54cf8997652a6fed6bd6c9192b72762e9022f167d082cf28.exe
    "C:\Users\Admin\AppData\Local\Temp\c35fe2982c10692b54cf8997652a6fed6bd6c9192b72762e9022f167d082cf28.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4664
    • 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\c35fe2982c10692b54cf8997652a6fed6bd6c9192b72762e9022f167d082cf28.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4508
    • C:\Users\Admin\AppData\Local\Temp\c35fe2982c10692b54cf8997652a6fed6bd6c9192b72762e9022f167d082cf28.exe
      "C:\Users\Admin\AppData\Local\Temp\c35fe2982c10692b54cf8997652a6fed6bd6c9192b72762e9022f167d082cf28.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:3980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c35fe2982c10692b54cf8997652a6fed6bd6c9192b72762e9022f167d082cf28.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v3jievmg.qx0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3980-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3980-65-0x0000000006300000-0x0000000006350000-memory.dmp

    Filesize

    320KB

  • memory/3980-64-0x0000000006480000-0x0000000006642000-memory.dmp

    Filesize

    1.8MB

  • memory/3980-63-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/3980-62-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/3980-23-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/3980-14-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-20-0x0000000005160000-0x00000000051C6000-memory.dmp

    Filesize

    408KB

  • memory/4508-37-0x0000000007170000-0x00000000071A2000-memory.dmp

    Filesize

    200KB

  • memory/4508-61-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-58-0x00000000077E0000-0x00000000077E8000-memory.dmp

    Filesize

    32KB

  • memory/4508-57-0x0000000007800000-0x000000000781A000-memory.dmp

    Filesize

    104KB

  • memory/4508-56-0x0000000007700000-0x0000000007714000-memory.dmp

    Filesize

    80KB

  • memory/4508-17-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-16-0x00000000028A0000-0x00000000028D6000-memory.dmp

    Filesize

    216KB

  • memory/4508-18-0x0000000005300000-0x0000000005928000-memory.dmp

    Filesize

    6.2MB

  • memory/4508-22-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-21-0x0000000005240000-0x00000000052A6000-memory.dmp

    Filesize

    408KB

  • memory/4508-55-0x00000000076F0000-0x00000000076FE000-memory.dmp

    Filesize

    56KB

  • memory/4508-54-0x00000000076C0000-0x00000000076D1000-memory.dmp

    Filesize

    68KB

  • memory/4508-53-0x0000000007740000-0x00000000077D6000-memory.dmp

    Filesize

    600KB

  • memory/4508-19-0x00000000050C0000-0x00000000050E2000-memory.dmp

    Filesize

    136KB

  • memory/4508-33-0x0000000005B90000-0x0000000005EE4000-memory.dmp

    Filesize

    3.3MB

  • memory/4508-34-0x0000000006180000-0x000000000619E000-memory.dmp

    Filesize

    120KB

  • memory/4508-36-0x00000000066C0000-0x000000000670C000-memory.dmp

    Filesize

    304KB

  • memory/4508-35-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-52-0x0000000007530000-0x000000000753A000-memory.dmp

    Filesize

    40KB

  • memory/4508-38-0x0000000070CD0000-0x0000000070D1C000-memory.dmp

    Filesize

    304KB

  • memory/4508-48-0x0000000006770000-0x000000000678E000-memory.dmp

    Filesize

    120KB

  • memory/4508-49-0x00000000071B0000-0x0000000007253000-memory.dmp

    Filesize

    652KB

  • memory/4508-50-0x0000000007B00000-0x000000000817A000-memory.dmp

    Filesize

    6.5MB

  • memory/4508-51-0x00000000074C0000-0x00000000074DA000-memory.dmp

    Filesize

    104KB

  • memory/4664-10-0x0000000006FD0000-0x000000000705E000-memory.dmp

    Filesize

    568KB

  • memory/4664-0-0x00000000752AE000-0x00000000752AF000-memory.dmp

    Filesize

    4KB

  • memory/4664-5-0x00000000056C0000-0x00000000056CA000-memory.dmp

    Filesize

    40KB

  • memory/4664-6-0x0000000005780000-0x000000000581C000-memory.dmp

    Filesize

    624KB

  • memory/4664-15-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4664-7-0x00000000752AE000-0x00000000752AF000-memory.dmp

    Filesize

    4KB

  • memory/4664-8-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4664-9-0x00000000058E0000-0x00000000058F2000-memory.dmp

    Filesize

    72KB

  • memory/4664-4-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4664-3-0x0000000005530000-0x00000000055C2000-memory.dmp

    Filesize

    584KB

  • memory/4664-2-0x0000000005AE0000-0x0000000006084000-memory.dmp

    Filesize

    5.6MB

  • memory/4664-1-0x0000000000A10000-0x0000000000B28000-memory.dmp

    Filesize

    1.1MB