Analysis

  • max time kernel
    124s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 20:21

General

  • Target

    f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    f4406df1b0ca5dc97b1f0d2f57102e27

  • SHA1

    397851638f1cc999615aeca911a1a02a180b5d99

  • SHA256

    460ece62f40e00fbde378d890513acb09f03fb2f4a8da93b6305a0df0c5544dd

  • SHA512

    8d04d63fdc2849013f624b2a692e10e5076d8e8b6c5635d939bd096ab8d54361625cb086990a7192cc0adb0629f839467f9212dab8b86f33eeede2130657e978

  • SSDEEP

    24576:yzoIWmb+Mg2gRVyt5OgPf4Am4H+SHLw78aUOGemKDL0dlRG95WN90bc:yzovmbgRVCJP/HLUnUO8KDL0dno58ib

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.crmsynergies.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qWU#FcYx(9

Signatures

  • Detect ZGRat V1 1 IoCs
  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Executes dropped EXE 1 IoCs
  • 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 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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f4406df1b0ca5dc97b1f0d2f57102e27_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
      C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 1880
        3⤵
        • Program crash
        PID:4368
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4980 -ip 4980
    1⤵
      PID:4412

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

      Filesize

      63KB

      MD5

      0d5df43af2916f47d00c1573797c1a13

      SHA1

      230ab5559e806574d26b4c20847c368ed55483b0

      SHA256

      c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

      SHA512

      f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

    • memory/3068-4-0x0000000003090000-0x00000000030A0000-memory.dmp

      Filesize

      64KB

    • memory/3068-5-0x0000000003090000-0x00000000030A0000-memory.dmp

      Filesize

      64KB

    • memory/3068-13-0x0000000074C20000-0x00000000753D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-0-0x0000000074C20000-0x00000000753D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-1-0x0000000000AD0000-0x0000000000C4A000-memory.dmp

      Filesize

      1.5MB

    • memory/3068-7-0x0000000005A60000-0x0000000005A82000-memory.dmp

      Filesize

      136KB

    • memory/3068-2-0x0000000005590000-0x00000000056D0000-memory.dmp

      Filesize

      1.2MB

    • memory/3068-3-0x0000000074C20000-0x00000000753D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4980-15-0x00000000055E0000-0x0000000005B84000-memory.dmp

      Filesize

      5.6MB

    • memory/4980-9-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/4980-14-0x0000000074C20000-0x00000000753D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4980-16-0x0000000005110000-0x00000000051AC000-memory.dmp

      Filesize

      624KB

    • memory/4980-17-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB

    • memory/4980-18-0x0000000006340000-0x0000000006502000-memory.dmp

      Filesize

      1.8MB

    • memory/4980-19-0x0000000074C20000-0x00000000753D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4980-20-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB

    • memory/4980-21-0x0000000074C20000-0x00000000753D0000-memory.dmp

      Filesize

      7.7MB