Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 11:44

General

  • Target

    shipping doc.exe

  • Size

    661KB

  • MD5

    ff46c0bcefe3460241f6291f551c461a

  • SHA1

    cde992ddcc16e2c42d39c89c48af840e354a0f29

  • SHA256

    47361c18c953725b9469ef9a229e109e981bdd1b2673f7ad582d98d1447110c3

  • SHA512

    f518d63316294e291449206ff09897decef7275d235e57bc5c6fd98113f9458bd6c1c8807a12b015bf6238fa0b663cce18af80566916172554a28e62807a3525

  • SSDEEP

    12288:qRB778QCdqBOxWqLOZhxqAA8qmZ7WKGYBI0pdY:GB8dqq8qmZrg

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shipping doc.exe
    "C:\Users\Admin\AppData\Local\Temp\shipping doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Users\Admin\AppData\Local\Temp\shipping doc.exe
      "C:\Users\Admin\AppData\Local\Temp\shipping doc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2596

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

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/384-0-0x0000000000200000-0x00000000002AA000-memory.dmp
    Filesize

    680KB

  • memory/384-1-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/384-2-0x0000000000450000-0x0000000000490000-memory.dmp
    Filesize

    256KB

  • memory/384-3-0x0000000000490000-0x00000000004A8000-memory.dmp
    Filesize

    96KB

  • memory/384-4-0x0000000000650000-0x000000000065E000-memory.dmp
    Filesize

    56KB

  • memory/384-5-0x0000000000660000-0x0000000000676000-memory.dmp
    Filesize

    88KB

  • memory/384-6-0x0000000004F50000-0x0000000004FD4000-memory.dmp
    Filesize

    528KB

  • memory/384-20-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2596-15-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2596-17-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2596-8-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2596-13-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2596-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2596-10-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2596-9-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2596-18-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2596-19-0x0000000000860000-0x00000000008A0000-memory.dmp
    Filesize

    256KB

  • memory/2596-7-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2596-21-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2596-22-0x0000000000860000-0x00000000008A0000-memory.dmp
    Filesize

    256KB