Analysis

  • max time kernel
    139s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 16:20

General

  • Target

    f8556a06c314a054c26413ccb02c1e2d_JaffaCakes118.exe

  • Size

    1.4MB

  • MD5

    f8556a06c314a054c26413ccb02c1e2d

  • SHA1

    44cbfbe879bded3f629f3ada9d9935b1496ded7d

  • SHA256

    719fb9c493d4567e789cdc02f2f7b10bd6368af364dd5f59a4a65dc914bbe0fc

  • SHA512

    e65afd653609b47aba75687120142af132f445b0ffc9af0017aa05d421c1150e3cb51d67dfcd814bd9be95df9f437aa7b00506641a4b9d80ff8b8580f32604f6

  • SSDEEP

    24576:fCuqCnjKlfx8DgMfx8Dg0WN8ruJluOXrMeb1TTRftknscZC3LL:f9nj258DgM58DgveruJgObrJTtixZC7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.cpagrenada.org
  • Port:
    587
  • Username:
    accounts@cpagrenada.org
  • Password:
    Accounts2017@CPA

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 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\f8556a06c314a054c26413ccb02c1e2d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8556a06c314a054c26413ccb02c1e2d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Users\Admin\AppData\Local\Temp\f8556a06c314a054c26413ccb02c1e2d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f8556a06c314a054c26413ccb02c1e2d_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2976

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/1068-0-0x0000000001090000-0x00000000011FE000-memory.dmp
    Filesize

    1.4MB

  • memory/1068-1-0x0000000074440000-0x0000000074B2E000-memory.dmp
    Filesize

    6.9MB

  • memory/1068-2-0x0000000000C40000-0x0000000000C80000-memory.dmp
    Filesize

    256KB

  • memory/1068-3-0x00000000003D0000-0x00000000003E2000-memory.dmp
    Filesize

    72KB

  • memory/1068-4-0x0000000074440000-0x0000000074B2E000-memory.dmp
    Filesize

    6.9MB

  • memory/1068-5-0x0000000000C40000-0x0000000000C80000-memory.dmp
    Filesize

    256KB

  • memory/1068-6-0x0000000009600000-0x00000000096A0000-memory.dmp
    Filesize

    640KB

  • memory/1068-7-0x0000000000580000-0x00000000005BC000-memory.dmp
    Filesize

    240KB

  • memory/1068-21-0x0000000074440000-0x0000000074B2E000-memory.dmp
    Filesize

    6.9MB

  • memory/2976-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2976-10-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2976-12-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2976-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2976-15-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2976-17-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2976-19-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2976-8-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2976-20-0x0000000074440000-0x0000000074B2E000-memory.dmp
    Filesize

    6.9MB

  • memory/2976-22-0x0000000004B20000-0x0000000004B60000-memory.dmp
    Filesize

    256KB

  • memory/2976-23-0x0000000074440000-0x0000000074B2E000-memory.dmp
    Filesize

    6.9MB

  • memory/2976-24-0x0000000004B20000-0x0000000004B60000-memory.dmp
    Filesize

    256KB