Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 14:59

General

  • Target

    089fd8527a9faa391ed5474898f9f391_JaffaCakes118.exe

  • Size

    312KB

  • MD5

    089fd8527a9faa391ed5474898f9f391

  • SHA1

    279248367b61c92fdd599d002e84420dec9ecd60

  • SHA256

    ada04b9d9b0611f4ee1ec1055647af989b2b30dc41e84b75be1bd479a16ea7dd

  • SHA512

    1d93cfa36b628ae904bc8ffb641383302d603c6579ab0395b4b9ec87cba00299425cdfb57de4d90673d5e97468075e1c155e38915d0040ce9726f7cba07d0f75

  • SSDEEP

    6144:/BgBBVJcHcKnTDWnc35dAlvWvj76vko6Rqwl1jXE:/acHcKnTDWnc35Qevyvuqa1jXE

Malware Config

Signatures

  • AgentTesla

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

  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\089fd8527a9faa391ed5474898f9f391_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\089fd8527a9faa391ed5474898f9f391_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Users\Admin\AppData\Local\Temp\089fd8527a9faa391ed5474898f9f391_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\089fd8527a9faa391ed5474898f9f391_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4440

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\089fd8527a9faa391ed5474898f9f391_JaffaCakes118.exe.log
    Filesize

    224B

    MD5

    c19eb8c8e7a40e6b987f9d2ee952996e

    SHA1

    6fc3049855bc9100643e162511673c6df0f28bfb

    SHA256

    677e9e30350df17e2bc20fa9f7d730e9f7cc6e870d6520a345f5f7dc5b31f58a

    SHA512

    860713b4a787c2189ed12a47d4b68b60ac00c7a253cae52dd4eb9276dacafeae3a81906b6d0742c8ecfdfaa255777c445beb7c2a532f3c677a9903237ac97596

  • memory/4324-3-0x00000000009DC000-0x00000000009DD000-memory.dmp
    Filesize

    4KB

  • memory/4324-2-0x0000000001300000-0x0000000001310000-memory.dmp
    Filesize

    64KB

  • memory/4324-0-0x00000000750D0000-0x0000000075681000-memory.dmp
    Filesize

    5.7MB

  • memory/4324-4-0x00000000056B0000-0x00000000056B1000-memory.dmp
    Filesize

    4KB

  • memory/4324-1-0x00000000750D0000-0x0000000075681000-memory.dmp
    Filesize

    5.7MB

  • memory/4324-8-0x00000000750D0000-0x0000000075681000-memory.dmp
    Filesize

    5.7MB

  • memory/4440-5-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/4440-9-0x00000000750D0000-0x0000000075681000-memory.dmp
    Filesize

    5.7MB

  • memory/4440-10-0x00000000750D0000-0x0000000075681000-memory.dmp
    Filesize

    5.7MB

  • memory/4440-11-0x0000000001630000-0x0000000001640000-memory.dmp
    Filesize

    64KB

  • memory/4440-12-0x00000000750D0000-0x0000000075681000-memory.dmp
    Filesize

    5.7MB

  • memory/4440-13-0x0000000001630000-0x0000000001640000-memory.dmp
    Filesize

    64KB

  • memory/4440-14-0x0000000001630000-0x0000000001640000-memory.dmp
    Filesize

    64KB