Analysis

  • max time kernel
    153s
  • max time network
    195s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231128-en
  • resource tags

    arch:x64arch:x86image:win11-20231128-enlocale:en-usos:windows11-21h2-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:1432
    • 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:3524

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

          7e1ed0055c3eaa0bbc4a29ec1ef15a6a

          SHA1

          765b954c1adbb6a6ecc4fe912fdaa6d0fba0ae7d

          SHA256

          4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce

          SHA512

          de7c784c37d18c43820908add88f08ab4864c0ef3f9d158cc2c9d1bab120613cb093dd4bfc5d7ed0c289414956cfe0b213c386f8e6b5753847dec915566297c8

        • memory/1432-10-0x0000000009D30000-0x0000000009DCC000-memory.dmp

          Filesize

          624KB

        • memory/1432-12-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

          Filesize

          64KB

        • memory/1432-3-0x0000000005B80000-0x0000000005C12000-memory.dmp

          Filesize

          584KB

        • memory/1432-4-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

          Filesize

          64KB

        • memory/1432-5-0x0000000005B20000-0x0000000005B2A000-memory.dmp

          Filesize

          40KB

        • memory/1432-6-0x0000000005D90000-0x0000000005DA0000-memory.dmp

          Filesize

          64KB

        • memory/1432-7-0x0000000005DC0000-0x0000000005DC6000-memory.dmp

          Filesize

          24KB

        • memory/1432-8-0x0000000005DD0000-0x0000000005DDA000-memory.dmp

          Filesize

          40KB

        • memory/1432-9-0x00000000076E0000-0x000000000777A000-memory.dmp

          Filesize

          616KB

        • memory/1432-1-0x0000000000F80000-0x0000000001052000-memory.dmp

          Filesize

          840KB

        • memory/1432-2-0x0000000006090000-0x0000000006636000-memory.dmp

          Filesize

          5.6MB

        • memory/1432-16-0x0000000074550000-0x0000000074D01000-memory.dmp

          Filesize

          7.7MB

        • memory/1432-11-0x0000000074550000-0x0000000074D01000-memory.dmp

          Filesize

          7.7MB

        • memory/1432-0-0x0000000074550000-0x0000000074D01000-memory.dmp

          Filesize

          7.7MB

        • memory/3524-17-0x0000000074550000-0x0000000074D01000-memory.dmp

          Filesize

          7.7MB

        • memory/3524-13-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/3524-18-0x0000000005490000-0x00000000054A0000-memory.dmp

          Filesize

          64KB

        • memory/3524-19-0x0000000005510000-0x0000000005576000-memory.dmp

          Filesize

          408KB

        • memory/3524-20-0x0000000006A70000-0x0000000006AC0000-memory.dmp

          Filesize

          320KB

        • memory/3524-21-0x0000000074550000-0x0000000074D01000-memory.dmp

          Filesize

          7.7MB

        • memory/3524-22-0x0000000005490000-0x00000000054A0000-memory.dmp

          Filesize

          64KB