Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 12:58

General

  • Target

    427562ce74ee2c6c69f61cd8133cfcd1_JaffaCakes118.exe

  • Size

    863KB

  • MD5

    427562ce74ee2c6c69f61cd8133cfcd1

  • SHA1

    2f58e218afbde3039d9cc551d25c9de32352d49c

  • SHA256

    4e5bfea4b9b77edf0e7f11bece8822e5a43906a5492261a0e1c72f96db55b528

  • SHA512

    98290585c9d483b66d3ba831291666002d39484a48f12be66c4dd85f001f270e3a7271cbe8026da0ab02613cbceaed1183763822fde1757b202d2fa239528b3d

  • SSDEEP

    24576:16KKPp9AR95yLyrgcjHfWv7xvHyw6xw6sO:8PpKRyLyTjY7xvHb6xw6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.seekmyjob.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fox#EFqQpB#0X

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\427562ce74ee2c6c69f61cd8133cfcd1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\427562ce74ee2c6c69f61cd8133cfcd1_JaffaCakes118.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:376
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oADzLjgSDWP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp410B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3852
    • C:\Users\Admin\AppData\Local\Temp\427562ce74ee2c6c69f61cd8133cfcd1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\427562ce74ee2c6c69f61cd8133cfcd1_JaffaCakes118.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:1000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\427562ce74ee2c6c69f61cd8133cfcd1_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • C:\Users\Admin\AppData\Local\Temp\tmp410B.tmp

    Filesize

    1KB

    MD5

    272bd9f1a079d4c13faeee3afa1dd222

    SHA1

    79150c594bfc1bf0f9f528fbee69bb4524dc9534

    SHA256

    b4d5ffb72d76f477a263f4ff4b97387c146fec505d802dbf378ae109c61b4d81

    SHA512

    86910d1d03a3029c9612800e590694f676cfe59140edb65a579dcb213e66c6df47d76e49ae958f7e8a84a5579593c4559c86ae7a8de1f2d6b2724009caa00763

  • memory/376-12-0x0000000007070000-0x00000000070AC000-memory.dmp

    Filesize

    240KB

  • memory/376-8-0x0000000006810000-0x0000000006826000-memory.dmp

    Filesize

    88KB

  • memory/376-4-0x00000000053F0000-0x0000000005482000-memory.dmp

    Filesize

    584KB

  • memory/376-5-0x0000000005320000-0x000000000532A000-memory.dmp

    Filesize

    40KB

  • memory/376-6-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/376-7-0x0000000005650000-0x00000000056A6000-memory.dmp

    Filesize

    344KB

  • memory/376-2-0x0000000005350000-0x00000000053EC000-memory.dmp

    Filesize

    624KB

  • memory/376-9-0x00000000752DE000-0x00000000752DF000-memory.dmp

    Filesize

    4KB

  • memory/376-10-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/376-11-0x0000000008320000-0x00000000083BC000-memory.dmp

    Filesize

    624KB

  • memory/376-3-0x00000000059A0000-0x0000000005F44000-memory.dmp

    Filesize

    5.6MB

  • memory/376-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

    Filesize

    4KB

  • memory/376-22-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/376-1-0x00000000008A0000-0x000000000097E000-memory.dmp

    Filesize

    888KB

  • memory/1000-21-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-23-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1000-24-0x0000000005900000-0x0000000005918000-memory.dmp

    Filesize

    96KB

  • memory/1000-25-0x0000000006690000-0x00000000066F6000-memory.dmp

    Filesize

    408KB

  • memory/1000-26-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-27-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-28-0x0000000006D50000-0x0000000006DA0000-memory.dmp

    Filesize

    320KB

  • memory/1000-29-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-30-0x00000000752D0000-0x0000000075A80000-memory.dmp

    Filesize

    7.7MB