Analysis

  • max time kernel
    187s
  • max time network
    256s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-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:2516
    • 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:4132

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

          0c2899d7c6746f42d5bbe088c777f94c

          SHA1

          622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

          SHA256

          5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

          SHA512

          ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

        • memory/2516-10-0x0000000007440000-0x00000000074DC000-memory.dmp

          Filesize

          624KB

        • memory/2516-12-0x00000000058E0000-0x00000000058F0000-memory.dmp

          Filesize

          64KB

        • memory/2516-3-0x00000000057A0000-0x0000000005832000-memory.dmp

          Filesize

          584KB

        • memory/2516-4-0x00000000058E0000-0x00000000058F0000-memory.dmp

          Filesize

          64KB

        • memory/2516-5-0x0000000005780000-0x000000000578A000-memory.dmp

          Filesize

          40KB

        • memory/2516-6-0x00000000058D0000-0x00000000058E0000-memory.dmp

          Filesize

          64KB

        • memory/2516-7-0x0000000005AE0000-0x0000000005AE6000-memory.dmp

          Filesize

          24KB

        • memory/2516-8-0x0000000005AF0000-0x0000000005AFA000-memory.dmp

          Filesize

          40KB

        • memory/2516-9-0x0000000007240000-0x00000000072DA000-memory.dmp

          Filesize

          616KB

        • memory/2516-0-0x0000000000E40000-0x0000000000F12000-memory.dmp

          Filesize

          840KB

        • memory/2516-2-0x0000000005C00000-0x00000000060FE000-memory.dmp

          Filesize

          5.0MB

        • memory/2516-16-0x00000000732C0000-0x00000000739AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2516-11-0x00000000732C0000-0x00000000739AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2516-1-0x00000000732C0000-0x00000000739AE000-memory.dmp

          Filesize

          6.9MB

        • memory/4132-13-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/4132-17-0x00000000732C0000-0x00000000739AE000-memory.dmp

          Filesize

          6.9MB

        • memory/4132-18-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

          Filesize

          64KB

        • memory/4132-19-0x0000000004F50000-0x0000000004FB6000-memory.dmp

          Filesize

          408KB

        • memory/4132-20-0x0000000006360000-0x00000000063B0000-memory.dmp

          Filesize

          320KB

        • memory/4132-21-0x00000000732C0000-0x00000000739AE000-memory.dmp

          Filesize

          6.9MB

        • memory/4132-22-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

          Filesize

          64KB