Analysis

  • max time kernel
    141s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 11:44

General

  • Target

    9732092 skid fabrication- MTC-NRC-KMC.exe

  • Size

    1015KB

  • MD5

    b3d8677a4bc5a507cdd7614fe99390b2

  • SHA1

    677c75a7542312002b21d28860a5c9eedcdbdf19

  • SHA256

    ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668

  • SHA512

    2a3af812775eb5dd134e7e129f049205a4a63e750882f6e554bb4e1b3d2fc1a8125e3575a3583c7c1989d3a039bd1757e01085d5bf3d3bfc2fa839d84681fc67

  • SSDEEP

    24576:EAHnh+eWsN3skA4RV1Hom2KXMmHaImXD/Tbs15:Th+ZkldoPK8YaImi

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 2 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\9732092 skid fabrication- MTC-NRC-KMC.exe
    "C:\Users\Admin\AppData\Local\Temp\9732092 skid fabrication- MTC-NRC-KMC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\9732092 skid fabrication- MTC-NRC-KMC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1188
  • 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=1428 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1796

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/864-10-0x0000000001C90000-0x0000000001C94000-memory.dmp

      Filesize

      16KB

    • memory/1188-11-0x0000000000570000-0x00000000005B2000-memory.dmp

      Filesize

      264KB

    • memory/1188-12-0x000000007454E000-0x000000007454F000-memory.dmp

      Filesize

      4KB

    • memory/1188-13-0x0000000005210000-0x00000000057B4000-memory.dmp

      Filesize

      5.6MB

    • memory/1188-14-0x0000000074540000-0x0000000074CF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1188-15-0x0000000004D60000-0x0000000004DC6000-memory.dmp

      Filesize

      408KB

    • memory/1188-16-0x0000000005FF0000-0x0000000006040000-memory.dmp

      Filesize

      320KB

    • memory/1188-17-0x00000000060E0000-0x0000000006172000-memory.dmp

      Filesize

      584KB

    • memory/1188-18-0x0000000006070000-0x000000000607A000-memory.dmp

      Filesize

      40KB

    • memory/1188-19-0x000000007454E000-0x000000007454F000-memory.dmp

      Filesize

      4KB

    • memory/1188-20-0x0000000074540000-0x0000000074CF0000-memory.dmp

      Filesize

      7.7MB