Analysis

  • max time kernel
    128s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 02:44

General

  • Target

    8a2e2937cc4e90870343522e1e0440751defe875a0c12fc0fac74100a0eec7c9.exe

  • Size

    777KB

  • MD5

    08d2ee7c3cead0986e3d6be9c7e89b63

  • SHA1

    83ed8ca1f6ebf71df3a0f111295012fcb893008d

  • SHA256

    8a2e2937cc4e90870343522e1e0440751defe875a0c12fc0fac74100a0eec7c9

  • SHA512

    40cd31f97fb93df6ae0d299afdd34c1480272f4826aa4d342e4be977a2f8f95f22f51e065163679594217c4445d4efac8661f3041bc44965a3f8a69415f9c829

  • SSDEEP

    24576:gmhCJVcWkoW1c6Sub7GqUxnxl+Iriqss6:sqFoW1c63G5ebI6

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 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\8a2e2937cc4e90870343522e1e0440751defe875a0c12fc0fac74100a0eec7c9.exe
    "C:\Users\Admin\AppData\Local\Temp\8a2e2937cc4e90870343522e1e0440751defe875a0c12fc0fac74100a0eec7c9.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:1576
    • 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\8a2e2937cc4e90870343522e1e0440751defe875a0c12fc0fac74100a0eec7c9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4336
    • C:\Users\Admin\AppData\Local\Temp\8a2e2937cc4e90870343522e1e0440751defe875a0c12fc0fac74100a0eec7c9.exe
      "C:\Users\Admin\AppData\Local\Temp\8a2e2937cc4e90870343522e1e0440751defe875a0c12fc0fac74100a0eec7c9.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8a2e2937cc4e90870343522e1e0440751defe875a0c12fc0fac74100a0eec7c9.exe.log

    Filesize

    1KB

    MD5

    7ef67a0a2b1e31df887adcdaf86e4bbd

    SHA1

    348aad52be33f1a0c477e2ace332ecf91bb0e1a8

    SHA256

    af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f

    SHA512

    4ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2tybii5q.naj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1576-6-0x0000000005970000-0x000000000597A000-memory.dmp

    Filesize

    40KB

  • memory/1576-3-0x00000000058D0000-0x0000000005962000-memory.dmp

    Filesize

    584KB

  • memory/1576-4-0x0000000005A10000-0x0000000005AAC000-memory.dmp

    Filesize

    624KB

  • memory/1576-5-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/1576-15-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/1576-7-0x0000000006E00000-0x0000000006E12000-memory.dmp

    Filesize

    72KB

  • memory/1576-8-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/1576-9-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/1576-10-0x0000000008610000-0x000000000869E000-memory.dmp

    Filesize

    568KB

  • memory/1576-0-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/1576-2-0x0000000005DA0000-0x0000000006344000-memory.dmp

    Filesize

    5.6MB

  • memory/1576-1-0x0000000000F40000-0x0000000001008000-memory.dmp

    Filesize

    800KB

  • memory/4336-51-0x00000000072B0000-0x00000000072CA000-memory.dmp

    Filesize

    104KB

  • memory/4336-49-0x0000000006F80000-0x0000000007023000-memory.dmp

    Filesize

    652KB

  • memory/4336-17-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-18-0x0000000005130000-0x0000000005758000-memory.dmp

    Filesize

    6.2MB

  • memory/4336-19-0x0000000004EB0000-0x0000000004ED2000-memory.dmp

    Filesize

    136KB

  • memory/4336-20-0x0000000005760000-0x00000000057C6000-memory.dmp

    Filesize

    408KB

  • memory/4336-22-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-21-0x0000000005840000-0x00000000058A6000-memory.dmp

    Filesize

    408KB

  • memory/4336-61-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-33-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-32-0x00000000059B0000-0x0000000005D04000-memory.dmp

    Filesize

    3.3MB

  • memory/4336-34-0x0000000005F80000-0x0000000005F9E000-memory.dmp

    Filesize

    120KB

  • memory/4336-35-0x0000000005FC0000-0x000000000600C000-memory.dmp

    Filesize

    304KB

  • memory/4336-58-0x00000000075D0000-0x00000000075D8000-memory.dmp

    Filesize

    32KB

  • memory/4336-37-0x0000000006F40000-0x0000000006F72000-memory.dmp

    Filesize

    200KB

  • memory/4336-38-0x0000000070290000-0x00000000702DC000-memory.dmp

    Filesize

    304KB

  • memory/4336-48-0x0000000006560000-0x000000000657E000-memory.dmp

    Filesize

    120KB

  • memory/4336-16-0x00000000026A0000-0x00000000026D6000-memory.dmp

    Filesize

    216KB

  • memory/4336-50-0x00000000078F0000-0x0000000007F6A000-memory.dmp

    Filesize

    6.5MB

  • memory/4336-57-0x00000000075F0000-0x000000000760A000-memory.dmp

    Filesize

    104KB

  • memory/4336-52-0x0000000007320000-0x000000000732A000-memory.dmp

    Filesize

    40KB

  • memory/4336-53-0x0000000007530000-0x00000000075C6000-memory.dmp

    Filesize

    600KB

  • memory/4336-54-0x00000000074B0000-0x00000000074C1000-memory.dmp

    Filesize

    68KB

  • memory/4336-55-0x00000000074E0000-0x00000000074EE000-memory.dmp

    Filesize

    56KB

  • memory/4336-56-0x00000000074F0000-0x0000000007504000-memory.dmp

    Filesize

    80KB

  • memory/4616-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4616-36-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-14-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-62-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-63-0x0000000006670000-0x0000000006832000-memory.dmp

    Filesize

    1.8MB

  • memory/4616-64-0x00000000064F0000-0x0000000006540000-memory.dmp

    Filesize

    320KB

  • memory/4616-65-0x0000000006D70000-0x000000000729C000-memory.dmp

    Filesize

    5.2MB

  • memory/4616-66-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB