Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 19:16

General

  • Target

    bce910742ec10a1cdffe6c194b65c2a66980dff76b5fdc56c46a6d9a9f41d48a_JC.exe

  • Size

    679KB

  • MD5

    04cb26da2d9222bf9204ad1f2307310c

  • SHA1

    e80af5a2284c9cc5ec51315b8b95a5aecf62b449

  • SHA256

    bce910742ec10a1cdffe6c194b65c2a66980dff76b5fdc56c46a6d9a9f41d48a

  • SHA512

    528c78b8e02ecf36c85c4d0c023d57302efa6206d7e5caefb60c764fe648984faaaa434906e9014b54b5fa5a28169a8b6fc0da4a11c7e1529086017f6965b8e6

  • SSDEEP

    12288:Kj40L5klf7Lr0QnQ3Ei9PyMHpEIKUFO2xgOZK7YDeCNAmC:KTLKjLr0QnQ1MoECksCCNAmC

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6076917727:AAGbsf1c44EC0CR26JUQPsvvVqX6Ki5kb9k/sendMessage?chat_id=6282564049

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bce910742ec10a1cdffe6c194b65c2a66980dff76b5fdc56c46a6d9a9f41d48a_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\bce910742ec10a1cdffe6c194b65c2a66980dff76b5fdc56c46a6d9a9f41d48a_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TiEZzc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1588
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TiEZzc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41A8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2184
    • C:\Users\Admin\AppData\Local\Temp\bce910742ec10a1cdffe6c194b65c2a66980dff76b5fdc56c46a6d9a9f41d48a_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\bce910742ec10a1cdffe6c194b65c2a66980dff76b5fdc56c46a6d9a9f41d48a_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 1484
        3⤵
        • Program crash
        PID:2424
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4572 -ip 4572
    1⤵
      PID:3308

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dp113xrr.bup.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp41A8.tmp

      Filesize

      1KB

      MD5

      d3bc8e1b3dc9ca697cc1dafa8c7454ab

      SHA1

      e110a1ebd921515e2ebd2a1a527224b5fc704de5

      SHA256

      09e8f66bc227fb20fa6a70c7185b2ab29999a453cbb857b563825bb11f426cd4

      SHA512

      f23e0edd793e13fd553354287ac394afff22becc63f8818ce715fee8988059ef1beca0e7fbc6e804f9d3c2f226c4d52d0d83243f198333309ada5961f624d9e5

    • memory/1588-55-0x0000000006EE0000-0x0000000006F83000-memory.dmp

      Filesize

      652KB

    • memory/1588-58-0x0000000007080000-0x000000000708A000-memory.dmp

      Filesize

      40KB

    • memory/1588-66-0x0000000007330000-0x0000000007338000-memory.dmp

      Filesize

      32KB

    • memory/1588-29-0x0000000005650000-0x00000000056B6000-memory.dmp

      Filesize

      408KB

    • memory/1588-65-0x0000000007350000-0x000000000736A000-memory.dmp

      Filesize

      104KB

    • memory/1588-64-0x0000000004800000-0x0000000004810000-memory.dmp

      Filesize

      64KB

    • memory/1588-63-0x0000000007250000-0x0000000007264000-memory.dmp

      Filesize

      80KB

    • memory/1588-62-0x0000000007240000-0x000000000724E000-memory.dmp

      Filesize

      56KB

    • memory/1588-61-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1588-60-0x0000000007210000-0x0000000007221000-memory.dmp

      Filesize

      68KB

    • memory/1588-16-0x00000000046C0000-0x00000000046F6000-memory.dmp

      Filesize

      216KB

    • memory/1588-17-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1588-59-0x0000000007290000-0x0000000007326000-memory.dmp

      Filesize

      600KB

    • memory/1588-19-0x0000000004800000-0x0000000004810000-memory.dmp

      Filesize

      64KB

    • memory/1588-20-0x0000000004800000-0x0000000004810000-memory.dmp

      Filesize

      64KB

    • memory/1588-57-0x0000000007010000-0x000000000702A000-memory.dmp

      Filesize

      104KB

    • memory/1588-22-0x0000000004E40000-0x0000000005468000-memory.dmp

      Filesize

      6.2MB

    • memory/1588-39-0x0000000005800000-0x0000000005B54000-memory.dmp

      Filesize

      3.3MB

    • memory/1588-56-0x0000000007650000-0x0000000007CCA000-memory.dmp

      Filesize

      6.5MB

    • memory/1588-54-0x00000000062A0000-0x00000000062BE000-memory.dmp

      Filesize

      120KB

    • memory/1588-27-0x0000000004DD0000-0x0000000004DF2000-memory.dmp

      Filesize

      136KB

    • memory/1588-28-0x00000000055E0000-0x0000000005646000-memory.dmp

      Filesize

      408KB

    • memory/1588-44-0x000000006FF60000-0x000000006FFAC000-memory.dmp

      Filesize

      304KB

    • memory/1588-69-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1588-43-0x00000000062C0000-0x00000000062F2000-memory.dmp

      Filesize

      200KB

    • memory/1588-40-0x0000000005CF0000-0x0000000005D0E000-memory.dmp

      Filesize

      120KB

    • memory/1588-41-0x0000000005D40000-0x0000000005D8C000-memory.dmp

      Filesize

      304KB

    • memory/1588-42-0x0000000004800000-0x0000000004810000-memory.dmp

      Filesize

      64KB

    • memory/1940-5-0x0000000005730000-0x000000000573A000-memory.dmp

      Filesize

      40KB

    • memory/1940-6-0x0000000005970000-0x000000000597C000-memory.dmp

      Filesize

      48KB

    • memory/1940-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

      Filesize

      5.6MB

    • memory/1940-0-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1940-1-0x0000000000C80000-0x0000000000D30000-memory.dmp

      Filesize

      704KB

    • memory/1940-4-0x00000000059F0000-0x0000000005A00000-memory.dmp

      Filesize

      64KB

    • memory/1940-3-0x0000000005790000-0x0000000005822000-memory.dmp

      Filesize

      584KB

    • memory/1940-9-0x00000000059C0000-0x00000000059CC000-memory.dmp

      Filesize

      48KB

    • memory/1940-10-0x0000000006EB0000-0x0000000006F10000-memory.dmp

      Filesize

      384KB

    • memory/1940-25-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1940-11-0x0000000009520000-0x00000000095BC000-memory.dmp

      Filesize

      624KB

    • memory/1940-8-0x00000000059F0000-0x0000000005A00000-memory.dmp

      Filesize

      64KB

    • memory/1940-7-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4572-70-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4572-21-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/4572-26-0x0000000004D40000-0x0000000004D50000-memory.dmp

      Filesize

      64KB

    • memory/4572-24-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB