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Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2025, 01:06

General

  • Target

    orden de compra_765645343465789675764567845768795764.exe

  • Size

    2.4MB

  • MD5

    038582cff59bd7c92aa1d71b8ac632c7

  • SHA1

    ff4bfdc38ab995019c8685ea4bc63951e5f370ee

  • SHA256

    9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5

  • SHA512

    6e72be1e887a305ae4636b063b9438a0c0cfe667387a235960f57b0853973a23e426508aeef9adc6891e6536a1c3bf2c41b00961f6aad32e0eb2f2b7d2f82a33

  • SSDEEP

    49152:dbdYAm4zEbdYAm4zXbdYAm4zKbdYAm4zFbdYAm4zB3An3AI3AJ3Aa:ddrWdrrdrAdr1drlA3AaAtAa

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    =A+N^@~c]~#I

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\orden de compra_765645343465789675764567845768795764.exe
    "C:\Users\Admin\AppData\Local\Temp\orden de compra_765645343465789675764567845768795764.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:2652
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4212

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3044-43-0x0000000002BF0000-0x0000000002BF8000-memory.dmp

      Filesize

      32KB

    • memory/3044-3-0x0000000002260000-0x0000000002261000-memory.dmp

      Filesize

      4KB

    • memory/3044-8-0x0000000000460000-0x0000000000560000-memory.dmp

      Filesize

      1024KB

    • memory/3044-9-0x0000000075681000-0x0000000075682000-memory.dmp

      Filesize

      4KB

    • memory/3044-10-0x0000000075650000-0x00000000757AD000-memory.dmp

      Filesize

      1.4MB

    • memory/3044-47-0x0000000075650000-0x00000000757AD000-memory.dmp

      Filesize

      1.4MB

    • memory/3044-2-0x0000000077A02000-0x0000000077A03000-memory.dmp

      Filesize

      4KB

    • memory/3044-39-0x0000000075650000-0x00000000757AD000-memory.dmp

      Filesize

      1.4MB

    • memory/4212-44-0x00000000747CE000-0x00000000747CF000-memory.dmp

      Filesize

      4KB

    • memory/4212-42-0x0000000001270000-0x0000000001271000-memory.dmp

      Filesize

      4KB

    • memory/4212-40-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB

    • memory/4212-45-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4212-46-0x0000000005EE0000-0x0000000006484000-memory.dmp

      Filesize

      5.6MB

    • memory/4212-41-0x0000000077A02000-0x0000000077A03000-memory.dmp

      Filesize

      4KB

    • memory/4212-48-0x0000000005930000-0x0000000005996000-memory.dmp

      Filesize

      408KB

    • memory/4212-49-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/4212-50-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

      Filesize

      320KB

    • memory/4212-51-0x0000000006C90000-0x0000000006D22000-memory.dmp

      Filesize

      584KB

    • memory/4212-52-0x0000000006C30000-0x0000000006C3A000-memory.dmp

      Filesize

      40KB

    • memory/4212-53-0x00000000747CE000-0x00000000747CF000-memory.dmp

      Filesize

      4KB

    • memory/4212-54-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB