Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    15-05-2024 12:47

General

  • Target

    DRAFT CONTRACT.exe

  • Size

    696KB

  • MD5

    923756799319e62e5b6ee9b3cbd03432

  • SHA1

    f8b10d1341793716833baf8f75ad7c2c8aa1ded2

  • SHA256

    696b00910392612eb2e09d31a1051e771acb5dc92697e7dc72ad63790a14b9c2

  • SHA512

    daf870298cc135d5b5cd27a413ded876e37ecf9f65c3bf32359a85d2c2979fa37bebfdb13fc21b8b6dc69a08ce08c6f015a54c0fbdfaddf16b95fd988c2bcbf7

  • SSDEEP

    12288:GjCBFvqJokcCqMOwj2cdZWh2UOGxgOnrt9LSYTG4Ub5GtKyQ+ccx:Esq5FVj2MWh2UOCgcbLSaGxFG0D+9x

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 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe
    "C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe
      "C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2356-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2356-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2356-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2356-25-0x0000000074D40000-0x000000007542E000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2356-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2356-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2356-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2356-26-0x0000000074D40000-0x000000007542E000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-23-0x0000000074D40000-0x000000007542E000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2420-7-0x00000000051C0000-0x0000000005244000-memory.dmp

    Filesize

    528KB

  • memory/2420-6-0x00000000005A0000-0x00000000005B6000-memory.dmp

    Filesize

    88KB

  • memory/2420-1-0x0000000000800000-0x00000000008B4000-memory.dmp

    Filesize

    720KB

  • memory/2420-5-0x0000000000590000-0x00000000005A0000-memory.dmp

    Filesize

    64KB

  • memory/2420-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

    Filesize

    4KB

  • memory/2420-24-0x0000000074D40000-0x000000007542E000-memory.dmp

    Filesize

    6.9MB

  • memory/2420-4-0x0000000000510000-0x0000000000530000-memory.dmp

    Filesize

    128KB

  • memory/2420-3-0x0000000002230000-0x00000000022D8000-memory.dmp

    Filesize

    672KB

  • memory/2420-2-0x0000000074D40000-0x000000007542E000-memory.dmp

    Filesize

    6.9MB