Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2023, 14:34

General

  • Target

    Promac S.A.220172615415415.DOC.exe

  • Size

    819KB

  • MD5

    39a33355e0b0db7354f1ee9fef4a9ae7

  • SHA1

    e867d971ead2351ea107ccd61517e61d35492270

  • SHA256

    d5bb4709c6337d475b6217f03b784cd6aaf1642cd103eb5bdfd53788bcf35417

  • SHA512

    c3690927a9eefebfe71679b25467182555681daa88317ad4ad2f9b338da5d11ddc86703ebe6c9a502a97329974c8aa87c59c872b06e189ab4b683a3ebe624b89

  • SSDEEP

    12288:wl78EN4iZwP2XNFzW5b7gTyhRBSe7Y003MiNOx+0t+8U+n911oap:wt8EN4EbXDzWtNnBLvONOk2391d

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.atelierzolotas.gr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    alibaba.com

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.atelierzolotas.gr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    alibaba.com

Signatures

  • AgentTesla

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Promac S.A.220172615415415.DOC.exe
    "C:\Users\Admin\AppData\Local\Temp\Promac S.A.220172615415415.DOC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\Promac S.A.220172615415415.DOC.exe
      "C:\Users\Admin\AppData\Local\Temp\Promac S.A.220172615415415.DOC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2740

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2152-0-0x0000000000890000-0x0000000000962000-memory.dmp

          Filesize

          840KB

        • memory/2152-1-0x0000000074A90000-0x000000007517E000-memory.dmp

          Filesize

          6.9MB

        • memory/2152-2-0x0000000004D70000-0x0000000004DB0000-memory.dmp

          Filesize

          256KB

        • memory/2152-3-0x0000000000260000-0x0000000000270000-memory.dmp

          Filesize

          64KB

        • memory/2152-4-0x00000000002E0000-0x00000000002E6000-memory.dmp

          Filesize

          24KB

        • memory/2152-5-0x00000000002F0000-0x00000000002FA000-memory.dmp

          Filesize

          40KB

        • memory/2152-6-0x0000000005040000-0x00000000050DA000-memory.dmp

          Filesize

          616KB

        • memory/2152-7-0x0000000074A90000-0x000000007517E000-memory.dmp

          Filesize

          6.9MB

        • memory/2152-8-0x0000000004D70000-0x0000000004DB0000-memory.dmp

          Filesize

          256KB

        • memory/2152-20-0x0000000074A90000-0x000000007517E000-memory.dmp

          Filesize

          6.9MB

        • memory/2740-10-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2740-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2740-12-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2740-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2740-15-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2740-17-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2740-19-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2740-9-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2740-21-0x0000000074A90000-0x000000007517E000-memory.dmp

          Filesize

          6.9MB

        • memory/2740-22-0x0000000004490000-0x00000000044D0000-memory.dmp

          Filesize

          256KB

        • memory/2740-23-0x0000000074A90000-0x000000007517E000-memory.dmp

          Filesize

          6.9MB

        • memory/2740-24-0x0000000004490000-0x00000000044D0000-memory.dmp

          Filesize

          256KB