Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:59

General

  • Target

    PO HOI-2024-055.exe

  • Size

    1.0MB

  • MD5

    1483ef78efe6ae4636ba2888d09ebd8d

  • SHA1

    f7551c0b1583db6a5a5323abb659084d66fa9117

  • SHA256

    51991927ba3cf9049da35e9104b96129bbff2389c24ccf09b767ddde8dc78b5e

  • SHA512

    3a47d2463e0433ee5c42f7744718dea4d8d9b71f21f609669f65415f041f4672c2aa66ed13724f683ffbc577a40446c871e73e998da02412f67e76af0182b5cc

  • SSDEEP

    24576:gg61jjk0LAta9APDIMOzJFvzTwCzTQbbxViUSX8wx2a:hdOzLv/pMbbxVjSXDka

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.jeepcommerce.rs
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    YeAiGo[)yv#k

Signatures

  • AgentTesla

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

  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO HOI-2024-055.exe
    "C:\Users\Admin\AppData\Local\Temp\PO HOI-2024-055.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Users\Admin\AppData\Local\Temp\PO HOI-2024-055.exe
      "C:\Users\Admin\AppData\Local\Temp\PO HOI-2024-055.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3288
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4108,i,8998666007764333392,14724298544432336038,262144 --variations-seed-version --mojo-platform-channel-handle=4444 /prefetch:8
    1⤵
      PID:3664

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO HOI-2024-055.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/944-8-0x0000000007EF0000-0x0000000007F74000-memory.dmp

      Filesize

      528KB

    • memory/944-5-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/944-9-0x000000000A6A0000-0x000000000A73C000-memory.dmp

      Filesize

      624KB

    • memory/944-4-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

      Filesize

      40KB

    • memory/944-14-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/944-6-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

      Filesize

      104KB

    • memory/944-7-0x0000000007B70000-0x0000000007B80000-memory.dmp

      Filesize

      64KB

    • memory/944-1-0x0000000000320000-0x000000000042C000-memory.dmp

      Filesize

      1.0MB

    • memory/944-3-0x0000000004E10000-0x0000000004EA2000-memory.dmp

      Filesize

      584KB

    • memory/944-2-0x0000000005470000-0x0000000005A14000-memory.dmp

      Filesize

      5.6MB

    • memory/944-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

      Filesize

      4KB

    • memory/3288-13-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/3288-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3288-15-0x00000000057D0000-0x0000000005836000-memory.dmp

      Filesize

      408KB

    • memory/3288-16-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/3288-17-0x0000000006BF0000-0x0000000006C40000-memory.dmp

      Filesize

      320KB

    • memory/3288-18-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB