Analysis

  • max time kernel
    153s
  • max time network
    269s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-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 8 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:2024
    • 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:4328

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Promac S.A.220172615415415.DOC.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/2024-10-0x0000000006A80000-0x0000000006B1C000-memory.dmp

          Filesize

          624KB

        • memory/2024-12-0x0000000005200000-0x0000000005210000-memory.dmp

          Filesize

          64KB

        • memory/2024-3-0x0000000004F80000-0x0000000005012000-memory.dmp

          Filesize

          584KB

        • memory/2024-4-0x0000000005200000-0x0000000005210000-memory.dmp

          Filesize

          64KB

        • memory/2024-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp

          Filesize

          40KB

        • memory/2024-6-0x0000000005180000-0x0000000005190000-memory.dmp

          Filesize

          64KB

        • memory/2024-7-0x00000000051B0000-0x00000000051B6000-memory.dmp

          Filesize

          24KB

        • memory/2024-8-0x00000000051D0000-0x00000000051DA000-memory.dmp

          Filesize

          40KB

        • memory/2024-9-0x0000000006250000-0x00000000062EA000-memory.dmp

          Filesize

          616KB

        • memory/2024-0-0x0000000000570000-0x0000000000642000-memory.dmp

          Filesize

          840KB

        • memory/2024-2-0x0000000005530000-0x0000000005AD4000-memory.dmp

          Filesize

          5.6MB

        • memory/2024-18-0x0000000074AC0000-0x0000000075270000-memory.dmp

          Filesize

          7.7MB

        • memory/2024-11-0x0000000074AC0000-0x0000000075270000-memory.dmp

          Filesize

          7.7MB

        • memory/2024-1-0x0000000074AC0000-0x0000000075270000-memory.dmp

          Filesize

          7.7MB

        • memory/4328-16-0x0000000074AC0000-0x0000000075270000-memory.dmp

          Filesize

          7.7MB

        • memory/4328-17-0x0000000005A40000-0x0000000005A50000-memory.dmp

          Filesize

          64KB

        • memory/4328-13-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/4328-19-0x00000000059A0000-0x0000000005A06000-memory.dmp

          Filesize

          408KB

        • memory/4328-20-0x0000000006DC0000-0x0000000006E10000-memory.dmp

          Filesize

          320KB

        • memory/4328-21-0x0000000074AC0000-0x0000000075270000-memory.dmp

          Filesize

          7.7MB

        • memory/4328-22-0x0000000005A40000-0x0000000005A50000-memory.dmp

          Filesize

          64KB