Analysis

  • max time kernel
    143s
  • 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
    29-04-2024 01:18

General

  • Target

    9995e542d092e80db4e3813f02ced2f7a0fcff5bf7d7260453ab5d994af3c4fd.exe

  • Size

    1006KB

  • MD5

    183b184c6e68c3a4883a775c7a11597c

  • SHA1

    7249a858eb73ae7ceb0bd192d42cbb6977a83fc0

  • SHA256

    9995e542d092e80db4e3813f02ced2f7a0fcff5bf7d7260453ab5d994af3c4fd

  • SHA512

    4d5b7ae8811c22bcc33b82fa6cd9bc081a53104e33c6d7bd5604e8daf966eb29a017b2a1091b25f5d0fef58e7c45bfedd035330364f7c575e7a6c51330658e6b

  • SSDEEP

    24576:YAHnh+eWsN3skA4RV1Hom2KXMmHa06QSvSCn5:fh+ZkldoPK8Ya0nSa+

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    u;4z3V.Iir1l

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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9995e542d092e80db4e3813f02ced2f7a0fcff5bf7d7260453ab5d994af3c4fd.exe
    "C:\Users\Admin\AppData\Local\Temp\9995e542d092e80db4e3813f02ced2f7a0fcff5bf7d7260453ab5d994af3c4fd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4408
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\9995e542d092e80db4e3813f02ced2f7a0fcff5bf7d7260453ab5d994af3c4fd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2064
  • 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=3108 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4792

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2064-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2064-12-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/2064-13-0x0000000005D00000-0x00000000062A4000-memory.dmp

      Filesize

      5.6MB

    • memory/2064-14-0x00000000057B0000-0x00000000057C0000-memory.dmp

      Filesize

      64KB

    • memory/2064-15-0x0000000005940000-0x00000000059A6000-memory.dmp

      Filesize

      408KB

    • memory/2064-16-0x0000000006C50000-0x0000000006CA0000-memory.dmp

      Filesize

      320KB

    • memory/2064-17-0x0000000006D40000-0x0000000006DD2000-memory.dmp

      Filesize

      584KB

    • memory/2064-18-0x0000000006CD0000-0x0000000006CDA000-memory.dmp

      Filesize

      40KB

    • memory/2064-19-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/2064-20-0x00000000057B0000-0x00000000057C0000-memory.dmp

      Filesize

      64KB

    • memory/4408-10-0x0000000003800000-0x0000000003804000-memory.dmp

      Filesize

      16KB