Analysis

  • max time kernel
    128s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 01:21

General

  • Target

    MV BUSAN STAR - calling to discharge about 55,000Mt of aggregates.exe

  • Size

    653KB

  • MD5

    296a91d852273bd8f8ea784f814e8e54

  • SHA1

    47a5391f798e645c075a074a7cddfab468e449d5

  • SHA256

    bdf6c1caee139afdf9122554e47a2b1f56dd5598447dced5cf81cafac1dfb7a0

  • SHA512

    0b801c4a4abdff47d84138600eb9db78d68591a12332e2abf00fe0da3b53e51c415a157aae9934bce63ff6ad1c6e7bb8adebcb1bfa12b91f40ec374ce53bd1a6

  • SSDEEP

    12288:W1Bo7KvAGZ2/IwuiwQ6CTCPuNCgHt1WH/ctA9upSNtira7Xs:W/o703ZQ5pGPuMgCH/9upTrag

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MV BUSAN STAR - calling to discharge about 55,000Mt of aggregates.exe
    "C:\Users\Admin\AppData\Local\Temp\MV BUSAN STAR - calling to discharge about 55,000Mt of aggregates.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Users\Admin\AppData\Local\Temp\MV BUSAN STAR - calling to discharge about 55,000Mt of aggregates.exe
      "C:\Users\Admin\AppData\Local\Temp\MV BUSAN STAR - calling to discharge about 55,000Mt of aggregates.exe"
      2⤵
        PID:2556
      • C:\Users\Admin\AppData\Local\Temp\MV BUSAN STAR - calling to discharge about 55,000Mt of aggregates.exe
        "C:\Users\Admin\AppData\Local\Temp\MV BUSAN STAR - calling to discharge about 55,000Mt of aggregates.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3776

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\MV BUSAN STAR - calling to discharge about 55,000Mt of aggregates.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/3776-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3776-20-0x0000000075020000-0x00000000757D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3776-19-0x0000000075020000-0x00000000757D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3776-18-0x00000000066B0000-0x0000000006700000-memory.dmp

      Filesize

      320KB

    • memory/3776-17-0x0000000005190000-0x00000000051F6000-memory.dmp

      Filesize

      408KB

    • memory/3776-15-0x0000000075020000-0x00000000757D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3776-14-0x0000000075020000-0x00000000757D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4704-4-0x0000000075020000-0x00000000757D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4704-9-0x0000000075020000-0x00000000757D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4704-10-0x0000000007E40000-0x0000000007EC6000-memory.dmp

      Filesize

      536KB

    • memory/4704-8-0x0000000005FB0000-0x0000000005FC2000-memory.dmp

      Filesize

      72KB

    • memory/4704-7-0x000000007502E000-0x000000007502F000-memory.dmp

      Filesize

      4KB

    • memory/4704-6-0x00000000056D0000-0x000000000576C000-memory.dmp

      Filesize

      624KB

    • memory/4704-16-0x0000000075020000-0x00000000757D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4704-0-0x000000007502E000-0x000000007502F000-memory.dmp

      Filesize

      4KB

    • memory/4704-5-0x0000000005340000-0x000000000534A000-memory.dmp

      Filesize

      40KB

    • memory/4704-3-0x0000000005390000-0x0000000005422000-memory.dmp

      Filesize

      584KB

    • memory/4704-2-0x00000000058A0000-0x0000000005E44000-memory.dmp

      Filesize

      5.6MB

    • memory/4704-1-0x0000000000990000-0x0000000000A3A000-memory.dmp

      Filesize

      680KB