Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 23:32

General

  • Target

    a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe

  • Size

    612KB

  • MD5

    a2f1f5ff51869085af2bb1b8b5078e74

  • SHA1

    83c09e2f98996165faecd0363a03d1355f432e05

  • SHA256

    a6d47a142ce8ca991f9090ff981c4a4c5a021030fcc9610a582ecb8c96b607bd

  • SHA512

    fac4303ec5d6305cd8591fe688ca3ddb15fe0c864400b5ed4a908dba8eef8f76f23d6bf2c93ee054b5f8991d3f91cf2a6948b2d0eb0def6ba2811e6596940a27

  • SSDEEP

    12288:AY2SRgOu9uO2dm4rqoXa3p1bgBFiq58YdW:AxSJvObTV37bkHyYM

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 8 IoCs
  • 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.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a2f1f5ff51869085af2bb1b8b5078e74_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1732

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

  • memory/1732-10-0x00000000002A0000-0x00000000002DC000-memory.dmp
    Filesize

    240KB

  • memory/1732-8-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1732-24-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1732-3-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1732-12-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1732-11-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1732-23-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1732-9-0x00000000002A0000-0x00000000002DC000-memory.dmp
    Filesize

    240KB

  • memory/1732-6-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1732-7-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1948-0-0x0000000000220000-0x0000000000221000-memory.dmp
    Filesize

    4KB

  • memory/1948-4-0x0000000000400000-0x000000000049F000-memory.dmp
    Filesize

    636KB

  • memory/1948-1-0x00000000002E0000-0x00000000002EF000-memory.dmp
    Filesize

    60KB

  • memory/1948-2-0x00000000002E0000-0x00000000002EF000-memory.dmp
    Filesize

    60KB