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Analysis

  • max time kernel
    144s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 01:07

General

  • Target

    c6c31ce35e7270c349dec90b7fe15290f0a9bbf413883f61d27841a7158e0c15.exe

  • Size

    121KB

  • MD5

    9e36d6ac7a12934fb7c600440b636791

  • SHA1

    0b28eddd79a56c5853e28e0474dfe672354f145b

  • SHA256

    c6c31ce35e7270c349dec90b7fe15290f0a9bbf413883f61d27841a7158e0c15

  • SHA512

    efb804202f35c5810e31a940cc60857d691ebcdc1c7a1df323bf028fb150211fb9b4125181283a956b3a1bc095c737145e3ff64baafd4daabf5033fceb6b96d0

  • SSDEEP

    3072:r3ViQKDg83EYB61Rkf2CXosVp9ggFHlPy736SY6mripUqVu:r3qU83l6zS2MX6gFFy7Lm+

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1217315513764679760/qp0dpgsN2rfNijoHbj92f7XdY-npVNaa0ZG5zrWuOAdp7LGYuJpjsU1F0vo_iasZWumw

Signatures

  • AgentTesla

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6c31ce35e7270c349dec90b7fe15290f0a9bbf413883f61d27841a7158e0c15.exe
    "C:\Users\Admin\AppData\Local\Temp\c6c31ce35e7270c349dec90b7fe15290f0a9bbf413883f61d27841a7158e0c15.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3592
  • 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=4060 --field-trial-handle=2272,i,11831746627654527593,10138103687018060346,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1808

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3592-10-0x0000000002D70000-0x0000000002D80000-memory.dmp

      Filesize

      64KB

    • memory/3592-6-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3592-15-0x0000000002D70000-0x0000000002D80000-memory.dmp

      Filesize

      64KB

    • memory/3592-14-0x0000000075290000-0x0000000075A40000-memory.dmp

      Filesize

      7.7MB

    • memory/3592-9-0x0000000075290000-0x0000000075A40000-memory.dmp

      Filesize

      7.7MB

    • memory/3592-13-0x0000000006850000-0x000000000685A000-memory.dmp

      Filesize

      40KB

    • memory/3592-12-0x00000000067E0000-0x0000000006830000-memory.dmp

      Filesize

      320KB

    • memory/3592-11-0x00000000053C0000-0x0000000005426000-memory.dmp

      Filesize

      408KB

    • memory/4576-4-0x0000000007250000-0x00000000072E2000-memory.dmp

      Filesize

      584KB

    • memory/4576-0-0x00000000002A0000-0x00000000002C4000-memory.dmp

      Filesize

      144KB

    • memory/4576-8-0x0000000075290000-0x0000000075A40000-memory.dmp

      Filesize

      7.7MB

    • memory/4576-1-0x0000000075290000-0x0000000075A40000-memory.dmp

      Filesize

      7.7MB

    • memory/4576-5-0x0000000075290000-0x0000000075A40000-memory.dmp

      Filesize

      7.7MB

    • memory/4576-3-0x0000000007760000-0x0000000007D04000-memory.dmp

      Filesize

      5.6MB

    • memory/4576-2-0x00000000025B0000-0x00000000025D6000-memory.dmp

      Filesize

      152KB