Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 01:57

General

  • Target

    Shipping Documents POV2405023/Shipping Documents POV2405023.xlsx.exe

  • Size

    371KB

  • MD5

    d94f324b3483803d84eeba84f631ff39

  • SHA1

    347ee79e6a0b1c5151d94a2492bea9281d0eae01

  • SHA256

    5795f7ad5151237b31b31a6c35f05cc84795d215a8cf5483f088a986f8d97447

  • SHA512

    07167cc578a71a000cbe5b4fc778acf130dde1d063f4c425aa6cdbc7ac6c4257ba1c378abdea3f4d8a7555aa0894241f66da1ddde790ece8d4f578515136b4e5

  • SSDEEP

    6144:rtJigmu6zKJXHkNk29y1yfDME9L0I/HKq6AlclSCIm5chd9ocC7e5I1BA:vigmpzKJXHz2U1yV0ICq6scI7C7GX

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7078346326:AAGX1CDPoWJfjkrOoEPVVRU8q_dn7nh6dRU/

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 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 Documents POV2405023\Shipping Documents POV2405023.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents POV2405023\Shipping Documents POV2405023.xlsx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\Shipping Documents POV2405023\Shipping Documents POV2405023.xlsx.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping Documents POV2405023\Shipping Documents POV2405023.xlsx.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1712-0-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

    Filesize

    4KB

  • memory/1712-1-0x0000000001350000-0x00000000013B2000-memory.dmp

    Filesize

    392KB

  • memory/1712-15-0x0000000073F00000-0x00000000745EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2196-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2196-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2196-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2196-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2196-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2196-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2196-16-0x000000007381E000-0x000000007381F000-memory.dmp

    Filesize

    4KB

  • memory/2196-2-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2196-17-0x0000000073810000-0x0000000073EFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-20-0x000000007381E000-0x000000007381F000-memory.dmp

    Filesize

    4KB

  • memory/2196-21-0x0000000073810000-0x0000000073EFE000-memory.dmp

    Filesize

    6.9MB