Analysis

  • max time kernel
    139s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/02/2025, 02:20

General

  • Target

    3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b.exe

  • Size

    765KB

  • MD5

    6906fe686f004ec916e00791a2b2fd14

  • SHA1

    56ef5f57e9f1872952db2584fb2b4b68594e3f33

  • SHA256

    3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b

  • SHA512

    a3c96431378d4de62c833a02d4f34a60cf19dd31ef820eba4aa7b9616815ae64de15fa3a2c9014e4bdecc3e4ca119f392aa01517354ecc7cf8c8dcf7b56cd77a

  • SSDEEP

    12288:mMr8I9idYeXY/e1Ggg0MivjmYMmgEf4+oXTbTguKcYQV3e0Ds4LfrD4L4idho4lv:mMrbURwgghMg+GTguKBY3Ho4fDothgLi

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 3 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 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\3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b.exe
    "C:\Users\Admin\AppData\Local\Temp\3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b.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 FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1484
    • 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\3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1616
    • C:\Users\Admin\AppData\Local\Temp\3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b.exe
      "C:\Users\Admin\AppData\Local\Temp\3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b.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:2308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b.exe.log

    Filesize

    1KB

    MD5

    7ef67a0a2b1e31df887adcdaf86e4bbd

    SHA1

    348aad52be33f1a0c477e2ace332ecf91bb0e1a8

    SHA256

    af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f

    SHA512

    4ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fwd4m1zu.0hj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1484-6-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

    Filesize

    40KB

  • memory/1484-3-0x0000000005030000-0x00000000050C2000-memory.dmp

    Filesize

    584KB

  • memory/1484-4-0x00000000050D0000-0x000000000516C000-memory.dmp

    Filesize

    624KB

  • memory/1484-5-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-15-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-7-0x0000000005460000-0x0000000005478000-memory.dmp

    Filesize

    96KB

  • memory/1484-8-0x000000007522E000-0x000000007522F000-memory.dmp

    Filesize

    4KB

  • memory/1484-9-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-10-0x0000000006420000-0x00000000064AE000-memory.dmp

    Filesize

    568KB

  • memory/1484-0-0x000000007522E000-0x000000007522F000-memory.dmp

    Filesize

    4KB

  • memory/1484-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

    Filesize

    5.6MB

  • memory/1484-1-0x0000000000500000-0x00000000005C4000-memory.dmp

    Filesize

    784KB

  • memory/1616-50-0x0000000007BB0000-0x000000000822A000-memory.dmp

    Filesize

    6.5MB

  • memory/1616-49-0x0000000007410000-0x00000000074B3000-memory.dmp

    Filesize

    652KB

  • memory/1616-18-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1616-16-0x0000000004C90000-0x0000000004CC6000-memory.dmp

    Filesize

    216KB

  • memory/1616-19-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1616-61-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1616-21-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1616-22-0x0000000005170000-0x0000000005192000-memory.dmp

    Filesize

    136KB

  • memory/1616-23-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/1616-24-0x0000000005AB0000-0x0000000005B16000-memory.dmp

    Filesize

    408KB

  • memory/1616-58-0x0000000007890000-0x0000000007898000-memory.dmp

    Filesize

    32KB

  • memory/1616-30-0x0000000005C20000-0x0000000005F74000-memory.dmp

    Filesize

    3.3MB

  • memory/1616-35-0x0000000006240000-0x000000000625E000-memory.dmp

    Filesize

    120KB

  • memory/1616-36-0x00000000062D0000-0x000000000631C000-memory.dmp

    Filesize

    304KB

  • memory/1616-37-0x0000000006810000-0x0000000006842000-memory.dmp

    Filesize

    200KB

  • memory/1616-17-0x00000000053A0000-0x00000000059C8000-memory.dmp

    Filesize

    6.2MB

  • memory/1616-48-0x00000000067F0000-0x000000000680E000-memory.dmp

    Filesize

    120KB

  • memory/1616-38-0x0000000070C50000-0x0000000070C9C000-memory.dmp

    Filesize

    304KB

  • memory/1616-51-0x0000000007570000-0x000000000758A000-memory.dmp

    Filesize

    104KB

  • memory/1616-57-0x00000000078B0000-0x00000000078CA000-memory.dmp

    Filesize

    104KB

  • memory/1616-52-0x00000000075E0000-0x00000000075EA000-memory.dmp

    Filesize

    40KB

  • memory/1616-53-0x00000000077F0000-0x0000000007886000-memory.dmp

    Filesize

    600KB

  • memory/1616-54-0x0000000007770000-0x0000000007781000-memory.dmp

    Filesize

    68KB

  • memory/1616-55-0x00000000077A0000-0x00000000077AE000-memory.dmp

    Filesize

    56KB

  • memory/1616-56-0x00000000077B0000-0x00000000077C4000-memory.dmp

    Filesize

    80KB

  • memory/2308-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2308-14-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-20-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-62-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-63-0x0000000075220000-0x00000000759D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-64-0x00000000067F0000-0x00000000069B2000-memory.dmp

    Filesize

    1.8MB

  • memory/2308-65-0x0000000006670000-0x00000000066C0000-memory.dmp

    Filesize

    320KB