Analysis

  • max time kernel
    136s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 10:40

General

  • Target

    f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe

  • Size

    996KB

  • MD5

    f830db1a5928b263f4c2d85177d5ccd0

  • SHA1

    96c132c104791b92d244aec47978231fefd0a462

  • SHA256

    b7100d4e869329857f90ba16e477f2c4c48c5727d22fbbe1527000e99c447ece

  • SHA512

    91344f6e3bc466ba37f6814d35b1011954f826f3e48b851c860e9dd4156ece35e3f7ee2b63c7c0ac96944c29741b319f73bd4f5e5bd3699c57073692bef10b89

  • SSDEEP

    12288:liGONYctrVs++Tt2OPWIIsM2A5JxOQqCycYqVhgnPSFYDVJ+ul:li7aMrVaTt2OPWRsPA/o2hgVDV

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mazayacom.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    H.wnlB&4PJyF

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.

  • 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 WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f830db1a5928b263f4c2d85177d5ccd0_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:3020
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HyDxqGGkgeXD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC5CC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3080
    • C:\Users\Admin\AppData\Local\Temp\f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\f830db1a5928b263f4c2d85177d5ccd0_JaffaCakes118.exe.log

    Filesize

    594B

    MD5

    fdb26b3b547022b45cfaeee57eafd566

    SHA1

    11c6798b8a59233f404014c5e79b3363cd564b37

    SHA256

    2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

    SHA512

    44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

  • C:\Users\Admin\AppData\Local\Temp\tmpC5CC.tmp

    Filesize

    1KB

    MD5

    d842f2fdb350a2774135512a69d805aa

    SHA1

    03003a665052f41b82eea9fc46e9926b9080e1f1

    SHA256

    dbaedd8c23d8c3f25b761d06a482294e1667d17837989debb33b7cbf6ccd18f1

    SHA512

    0b29c471b586acd220499268c72676c3c69b38e77b4f958ed758aa18fd216c749995bd303fa14009c9ebc2bc8b8be783ee2d10c31ef890dae783f32a26aaa602

  • memory/740-15-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB

  • memory/740-19-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB

  • memory/740-18-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB

  • memory/740-17-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB

  • memory/740-16-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB

  • memory/740-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/740-13-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB

  • memory/3020-3-0x00000000746F2000-0x00000000746F3000-memory.dmp

    Filesize

    4KB

  • memory/3020-14-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB

  • memory/3020-4-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB

  • memory/3020-0-0x00000000746F2000-0x00000000746F3000-memory.dmp

    Filesize

    4KB

  • memory/3020-2-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB

  • memory/3020-1-0x00000000746F0000-0x0000000074CA1000-memory.dmp

    Filesize

    5.7MB