Analysis

  • max time kernel
    118s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 04:20

General

  • Target

    1836407a4605fecf877eabf01ab0d84f_JaffaCakes118.exe

  • Size

    550KB

  • MD5

    1836407a4605fecf877eabf01ab0d84f

  • SHA1

    8e006502062531567776e6315a031eac91c7a2f2

  • SHA256

    da329fd60cb3519d400f3ba48692d3a3d79864dfeb51a43db56b6d12982cd3cb

  • SHA512

    01751f101343e3b060023052cd7aad557739ada3cd00685b5dda6735676772c3d6c0de0414b0589050f5e4a0a89ceeb23217b2fd558ad196b57e7a31a6de6b91

  • SSDEEP

    12288:2wyV1lzekhtihXIQi+5S046lrRp5W7IF+90RHXYpJSB:lyV/eoK/5DNH5W7IFqAVB

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    e)cnIdR1

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\1836407a4605fecf877eabf01ab0d84f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1836407a4605fecf877eabf01ab0d84f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\Temp\1836407a4605fecf877eabf01ab0d84f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\1836407a4605fecf877eabf01ab0d84f_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1836407a4605fecf877eabf01ab0d84f_JaffaCakes118.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1348-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1348-21-0x0000000005FD0000-0x0000000006020000-memory.dmp
    Filesize

    320KB

  • memory/1348-20-0x0000000004EE0000-0x0000000004EF0000-memory.dmp
    Filesize

    64KB

  • memory/1348-19-0x0000000074CB0000-0x0000000075460000-memory.dmp
    Filesize

    7.7MB

  • memory/1348-18-0x0000000005E60000-0x0000000005EC6000-memory.dmp
    Filesize

    408KB

  • memory/1348-17-0x0000000005470000-0x0000000005488000-memory.dmp
    Filesize

    96KB

  • memory/1348-16-0x0000000004EE0000-0x0000000004EF0000-memory.dmp
    Filesize

    64KB

  • memory/1348-14-0x0000000074CB0000-0x0000000075460000-memory.dmp
    Filesize

    7.7MB

  • memory/2744-5-0x00000000059C0000-0x00000000059CA000-memory.dmp
    Filesize

    40KB

  • memory/2744-10-0x0000000006A70000-0x0000000006AF2000-memory.dmp
    Filesize

    520KB

  • memory/2744-9-0x00000000067D0000-0x000000000686C000-memory.dmp
    Filesize

    624KB

  • memory/2744-8-0x0000000005C00000-0x0000000005C10000-memory.dmp
    Filesize

    64KB

  • memory/2744-15-0x0000000074CB0000-0x0000000075460000-memory.dmp
    Filesize

    7.7MB

  • memory/2744-7-0x0000000074CB0000-0x0000000075460000-memory.dmp
    Filesize

    7.7MB

  • memory/2744-6-0x0000000005BF0000-0x0000000005BFA000-memory.dmp
    Filesize

    40KB

  • memory/2744-0-0x0000000000F70000-0x0000000001000000-memory.dmp
    Filesize

    576KB

  • memory/2744-4-0x0000000005C00000-0x0000000005C10000-memory.dmp
    Filesize

    64KB

  • memory/2744-3-0x00000000059E0000-0x0000000005A72000-memory.dmp
    Filesize

    584KB

  • memory/2744-2-0x0000000006080000-0x0000000006624000-memory.dmp
    Filesize

    5.6MB

  • memory/2744-1-0x0000000074CB0000-0x0000000075460000-memory.dmp
    Filesize

    7.7MB