Analysis

  • max time kernel
    145s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 21:59

General

  • Target

    2dd6c77ef9ba1c9a0083c77d5ad03f77_JaffaCakes118.exe

  • Size

    433KB

  • MD5

    2dd6c77ef9ba1c9a0083c77d5ad03f77

  • SHA1

    45704b538c8a90224bd5be7348b4f0069838a445

  • SHA256

    7fcf79d8833bf96249a0a445bfd98a172fb45fbc64815d210d30699cc65c7413

  • SHA512

    a4900669ba230be7ddb13e3a98915d883cb44774160f87632834b6d2684c44735daa460891906c2674b2538fdb606051a7dc43734331e296fd66899a8b49836d

  • SSDEEP

    6144:OJRezouwEzipT3t/nJ0wMfZrLY6YnRn6xRgT3KRZIzWrZxyvwtM7lLR99gsbBT3Y:ZzCd0w8enFTVwCwtM7RR9aa+

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    baorhihusmusqbnx

Signatures

  • AgentTesla

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

  • AgentTesla payload 7 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.

  • 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2dd6c77ef9ba1c9a0083c77d5ad03f77_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2dd6c77ef9ba1c9a0083c77d5ad03f77_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\2dd6c77ef9ba1c9a0083c77d5ad03f77_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\2dd6c77ef9ba1c9a0083c77d5ad03f77_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2552

Network

MITRE ATT&CK Matrix ATT&CK v13

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/2184-20-0x0000000074990000-0x000000007507E000-memory.dmp
    Filesize

    6.9MB

  • memory/2184-2-0x0000000004D30000-0x0000000004D70000-memory.dmp
    Filesize

    256KB

  • memory/2184-0-0x0000000000B60000-0x0000000000BD2000-memory.dmp
    Filesize

    456KB

  • memory/2184-3-0x00000000004B0000-0x00000000004BE000-memory.dmp
    Filesize

    56KB

  • memory/2184-4-0x0000000074990000-0x000000007507E000-memory.dmp
    Filesize

    6.9MB

  • memory/2184-5-0x0000000004D30000-0x0000000004D70000-memory.dmp
    Filesize

    256KB

  • memory/2184-6-0x0000000004CC0000-0x0000000004D20000-memory.dmp
    Filesize

    384KB

  • memory/2184-1-0x0000000074990000-0x000000007507E000-memory.dmp
    Filesize

    6.9MB

  • memory/2552-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2552-18-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2552-25-0x00000000049F0000-0x0000000004A30000-memory.dmp
    Filesize

    256KB

  • memory/2552-7-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2552-9-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2552-14-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2552-10-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2552-16-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2552-22-0x0000000074990000-0x000000007507E000-memory.dmp
    Filesize

    6.9MB

  • memory/2552-21-0x00000000049F0000-0x0000000004A30000-memory.dmp
    Filesize

    256KB

  • memory/2552-19-0x0000000074990000-0x000000007507E000-memory.dmp
    Filesize

    6.9MB

  • memory/2552-23-0x00000000049F0000-0x0000000004A30000-memory.dmp
    Filesize

    256KB

  • memory/2552-24-0x00000000049F0000-0x0000000004A30000-memory.dmp
    Filesize

    256KB

  • memory/2552-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB