Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 01:16

General

  • Target

    A REQUESTFORVALIDBANKACCOUNTDETAIL/tedutil.dll

  • Size

    14.2MB

  • MD5

    9c47a4a0c221ec9de3c6171c800598cd

  • SHA1

    704c442d6a4ec93dbc20845437bf59ebaaef330f

  • SHA256

    84c11acd0312818f87dc805317df96f390498f346da4f3b1b770c9781f202692

  • SHA512

    bf6f3349cb5d073f7770c872c9d104343001f27bb797403aeb54bf0d4c27553528575e057fe7dd54f1e2e0dbf4191727e4b42cd7bab522c8baa0715dc4c474d8

  • SSDEEP

    196608:/k4+5bsXIn+wQMZZzC+qOaA37R0NA8Z8CGON9nb:/k55gXI+cZW+yNABI9

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Looks up external IP address via web service 2 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 1 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\A REQUESTFORVALIDBANKACCOUNTDETAIL\tedutil.dll"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
        PID:3844
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4740-0-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4740-1-0x000000007470E000-0x000000007470F000-memory.dmp

      Filesize

      4KB

    • memory/4740-2-0x0000000005470000-0x0000000005A14000-memory.dmp

      Filesize

      5.6MB

    • memory/4740-3-0x0000000004F30000-0x0000000004F96000-memory.dmp

      Filesize

      408KB

    • memory/4740-4-0x0000000074700000-0x0000000074EB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4740-5-0x0000000006390000-0x00000000063E0000-memory.dmp

      Filesize

      320KB

    • memory/4740-6-0x0000000006480000-0x0000000006512000-memory.dmp

      Filesize

      584KB

    • memory/4740-7-0x0000000006400000-0x000000000640A000-memory.dmp

      Filesize

      40KB

    • memory/4740-8-0x000000007470E000-0x000000007470F000-memory.dmp

      Filesize

      4KB

    • memory/4740-9-0x0000000074700000-0x0000000074EB0000-memory.dmp

      Filesize

      7.7MB