Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 01:13

General

  • Target

    fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe

  • Size

    998KB

  • MD5

    ce57959309208fdb8a556b18d1da0c2d

  • SHA1

    c4db542e2e8775b638bdba0631f6a6fa1c4a8ed1

  • SHA256

    fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f

  • SHA512

    cadc7d2e2d97fe69fa547a37c201b062a250e1478a0be68ba16a7517328702e3a6bc495a1e55ed13b570672386ac06ed2fdfe5f86195251350a4cd140b5d9e1d

  • SSDEEP

    12288:rRs3UwQ36kuFvTUr9/IPtBj9GEP/43PL8T7tHESqGDX30a:rRs33kuFY98QEIWBEQj30

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    185.119.89.111
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    boygirl123456

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ndbplus.rs
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    boygirl123456

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe
    "C:\Users\Admin\AppData\Local\Temp\fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Users\Admin\AppData\Local\Temp\fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe
      "C:\Users\Admin\AppData\Local\Temp\fb2a50a128afbf9d5534ccb6068fa905982827d34db940abf07417675576e26f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4820
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=1344 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1812

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1596-10-0x00000000085F0000-0x0000000008698000-memory.dmp

      Filesize

      672KB

    • memory/1596-15-0x00000000744B0000-0x0000000074C60000-memory.dmp

      Filesize

      7.7MB

    • memory/1596-2-0x0000000005980000-0x0000000005F24000-memory.dmp

      Filesize

      5.6MB

    • memory/1596-3-0x00000000053D0000-0x0000000005462000-memory.dmp

      Filesize

      584KB

    • memory/1596-4-0x0000000005370000-0x0000000005380000-memory.dmp

      Filesize

      64KB

    • memory/1596-5-0x00000000054A0000-0x00000000054AA000-memory.dmp

      Filesize

      40KB

    • memory/1596-6-0x0000000005690000-0x00000000056A8000-memory.dmp

      Filesize

      96KB

    • memory/1596-0-0x00000000744B0000-0x0000000074C60000-memory.dmp

      Filesize

      7.7MB

    • memory/1596-8-0x00000000057E0000-0x00000000057EE000-memory.dmp

      Filesize

      56KB

    • memory/1596-1-0x00000000008F0000-0x00000000009F0000-memory.dmp

      Filesize

      1024KB

    • memory/1596-7-0x00000000744B0000-0x0000000074C60000-memory.dmp

      Filesize

      7.7MB

    • memory/1596-11-0x00000000082B0000-0x000000000834C000-memory.dmp

      Filesize

      624KB

    • memory/1596-9-0x00000000057F0000-0x0000000005804000-memory.dmp

      Filesize

      80KB

    • memory/4820-18-0x00000000067B0000-0x0000000006800000-memory.dmp

      Filesize

      320KB

    • memory/4820-14-0x00000000744B0000-0x0000000074C60000-memory.dmp

      Filesize

      7.7MB

    • memory/4820-16-0x0000000005400000-0x0000000005410000-memory.dmp

      Filesize

      64KB

    • memory/4820-17-0x0000000005550000-0x00000000055B6000-memory.dmp

      Filesize

      408KB

    • memory/4820-12-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4820-19-0x00000000744B0000-0x0000000074C60000-memory.dmp

      Filesize

      7.7MB

    • memory/4820-20-0x0000000005400000-0x0000000005410000-memory.dmp

      Filesize

      64KB