Analysis

  • max time kernel
    149s
  • 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
    09-03-2024 03:53

General

  • Target

    ccdb59873a1a5c0bc377b8854dedf692a10c9c4c9231e0ebff9365ca2e779db9.exe

  • Size

    1.0MB

  • MD5

    b3cc065a08ae54b888715fc65a1daeb4

  • SHA1

    de75bab87e1256c79fa7d0ddea288222273ea59e

  • SHA256

    ccdb59873a1a5c0bc377b8854dedf692a10c9c4c9231e0ebff9365ca2e779db9

  • SHA512

    48c9c3d5bc35834234187e8ca4322f4c5b3657c30573bc4f4a0efc47e6d15076d19af24cb3264e0a3a118d20d174ae2b7d836e0d1aa06d8b61d58e88df39aeff

  • SSDEEP

    12288:5tb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgalTJ0fxBWvx8cs2048Z5:5tb20pkaCqT5TBWgNQ7aRJ0ZYXD8Z6A

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.elquijotebanquetes.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    kFxADjwNBm$_

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccdb59873a1a5c0bc377b8854dedf692a10c9c4c9231e0ebff9365ca2e779db9.exe
    "C:\Users\Admin\AppData\Local\Temp\ccdb59873a1a5c0bc377b8854dedf692a10c9c4c9231e0ebff9365ca2e779db9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\ccdb59873a1a5c0bc377b8854dedf692a10c9c4c9231e0ebff9365ca2e779db9.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3404
  • 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=3900 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:656

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2860-10-0x0000000000F00000-0x0000000000F04000-memory.dmp

      Filesize

      16KB

    • memory/3404-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3404-12-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3404-13-0x0000000005590000-0x0000000005B34000-memory.dmp

      Filesize

      5.6MB

    • memory/3404-14-0x0000000004EF0000-0x0000000004F00000-memory.dmp

      Filesize

      64KB

    • memory/3404-15-0x0000000004F00000-0x0000000004F66000-memory.dmp

      Filesize

      408KB

    • memory/3404-16-0x00000000061C0000-0x0000000006210000-memory.dmp

      Filesize

      320KB

    • memory/3404-17-0x00000000062B0000-0x0000000006342000-memory.dmp

      Filesize

      584KB

    • memory/3404-18-0x0000000006240000-0x000000000624A000-memory.dmp

      Filesize

      40KB

    • memory/3404-19-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3404-20-0x0000000004EF0000-0x0000000004F00000-memory.dmp

      Filesize

      64KB