Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 11:08

General

  • Target

    39c9b687c703d8837e6aa91bc4ca743d_JaffaCakes118.exe

  • Size

    943KB

  • MD5

    39c9b687c703d8837e6aa91bc4ca743d

  • SHA1

    6dd0b1c64361f1a3fd00fbcc343dcf4e5537789b

  • SHA256

    29d316340286a5768987ccc1a6288798a46d3b66dc7a4fd2457969a74d23b62e

  • SHA512

    1fa5ecc78da1dc8d0735a6d135db5977773c340c8e29017a1db0af096fe6102cfa24338b37318b67dcb5f28c7ea65d10721f88030d7d64d08415ce6443433dde

  • SSDEEP

    12288:Ntvv2zv1gduwyFS5ySCi1ZrQ+QYLsYaKf3W5ljpLlxXcl4bOuNsHzJ8+YrEEt7nC:NtW23fh1ZrQXofWRHFOzJ8zbt27j3B7

Malware Config

Signatures

  • Detect ZGRat V1 1 IoCs
  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 2 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 42 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39c9b687c703d8837e6aa91bc4ca743d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\39c9b687c703d8837e6aa91bc4ca743d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PfqIGcnELNNxm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp460.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2492
    • C:\Users\Admin\AppData\Local\Temp\39c9b687c703d8837e6aa91bc4ca743d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\39c9b687c703d8837e6aa91bc4ca743d_JaffaCakes118.exe"
      2⤵
        PID:2212
      • C:\Users\Admin\AppData\Local\Temp\39c9b687c703d8837e6aa91bc4ca743d_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\39c9b687c703d8837e6aa91bc4ca743d_JaffaCakes118.exe"
        2⤵
        • Checks computer location settings
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2892

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\39c9b687c703d8837e6aa91bc4ca743d_JaffaCakes118.exe.log
      Filesize

      1KB

      MD5

      84e77a587d94307c0ac1357eb4d3d46f

      SHA1

      83cc900f9401f43d181207d64c5adba7a85edc1e

      SHA256

      e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

      SHA512

      aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

    • C:\Users\Admin\AppData\Local\Temp\tmp460.tmp
      Filesize

      1KB

      MD5

      f727b951e67fc703d1ae15483cb572c3

      SHA1

      e7c020fcbe8fabd77fbd1474645c1514dbc1c7fb

      SHA256

      2e628b865e0f13b847f433ce8d5a86e87d0c88d6e1e25061730d9c3a97aa098e

      SHA512

      df6bf977f8307e9bccfef12444f5be8a582b240c33a8546e51f873d93a5692a33a3011fc7b7f03e7d98af6b7817ca28da1337688113e4590aabe0bf17f95c01c

    • memory/996-12-0x0000000005CB0000-0x0000000005D4C000-memory.dmp
      Filesize

      624KB

    • memory/996-9-0x0000000075360000-0x0000000075B10000-memory.dmp
      Filesize

      7.7MB

    • memory/996-4-0x0000000004CB0000-0x0000000004D4C000-memory.dmp
      Filesize

      624KB

    • memory/996-5-0x0000000004BC0000-0x0000000004BCA000-memory.dmp
      Filesize

      40KB

    • memory/996-6-0x0000000075360000-0x0000000075B10000-memory.dmp
      Filesize

      7.7MB

    • memory/996-7-0x0000000004BE0000-0x0000000004BF8000-memory.dmp
      Filesize

      96KB

    • memory/996-8-0x000000007536E000-0x000000007536F000-memory.dmp
      Filesize

      4KB

    • memory/996-2-0x0000000005120000-0x00000000056C4000-memory.dmp
      Filesize

      5.6MB

    • memory/996-10-0x0000000005B50000-0x0000000005C0C000-memory.dmp
      Filesize

      752KB

    • memory/996-11-0x00000000050E0000-0x00000000050E6000-memory.dmp
      Filesize

      24KB

    • memory/996-0-0x000000007536E000-0x000000007536F000-memory.dmp
      Filesize

      4KB

    • memory/996-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp
      Filesize

      584KB

    • memory/996-21-0x0000000075360000-0x0000000075B10000-memory.dmp
      Filesize

      7.7MB

    • memory/996-1-0x0000000000110000-0x0000000000202000-memory.dmp
      Filesize

      968KB

    • memory/2892-29-0x0000000007D10000-0x0000000007D60000-memory.dmp
      Filesize

      320KB

    • memory/2892-23-0x00000000052A0000-0x00000000052E4000-memory.dmp
      Filesize

      272KB

    • memory/2892-22-0x0000000075360000-0x0000000075B10000-memory.dmp
      Filesize

      7.7MB

    • memory/2892-25-0x0000000075360000-0x0000000075B10000-memory.dmp
      Filesize

      7.7MB

    • memory/2892-24-0x0000000005350000-0x00000000053B6000-memory.dmp
      Filesize

      408KB

    • memory/2892-26-0x0000000075360000-0x0000000075B10000-memory.dmp
      Filesize

      7.7MB

    • memory/2892-27-0x0000000075360000-0x0000000075B10000-memory.dmp
      Filesize

      7.7MB

    • memory/2892-18-0x0000000000400000-0x000000000049A000-memory.dmp
      Filesize

      616KB

    • memory/2892-30-0x0000000007CD0000-0x0000000007CE4000-memory.dmp
      Filesize

      80KB

    • memory/2892-41-0x0000000075360000-0x0000000075B10000-memory.dmp
      Filesize

      7.7MB