Analysis

  • max time kernel
    117s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 10:28

General

  • Target

    INOVICE NO CY-W-24-17-26.exe

  • Size

    714KB

  • MD5

    d57f61c8ca3a73cad73f5cb160d2e1a8

  • SHA1

    62a5c18d4194f1f4bef658fd24cb68a3067537a3

  • SHA256

    bf97d8ee1b61a6699e0a1ff3cda31252cfbd154804673d83dd68b1fee155f953

  • SHA512

    bcb796de15d4519b4d2c6a701bcb1b83bb5fd09d9a04ac31c66a82326d4ecba30bc8bde0dff5a4008b120d3d0642820e60d34264c2cb253ba04e7deb0323d430

  • SSDEEP

    12288:gFoO3mYoQxv9wQNWk9eGwk5Lq8RVDrlYGI/d8FR2ij6QnLkB:ghbhxv9wQNV5e8fGOwQnAB

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INOVICE NO CY-W-24-17-26.exe
    "C:\Users\Admin\AppData\Local\Temp\INOVICE NO CY-W-24-17-26.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hBdXlArIL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1948
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hBdXlArIL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70EC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2704
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2840

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp70EC.tmp
    Filesize

    1KB

    MD5

    3674b0780fab0bfd7c48e595ebf52652

    SHA1

    17eceda515f5cdc5d21032a559da78e6e7cad4eb

    SHA256

    943d9ee98496c694cc32ef92762c2bc973cf52ef1bca29eb89ab928b9443d136

    SHA512

    09b042e0cbd974caa6bd086576b15d6b3e52237dd86936baff22a9959490d79d4f3696b6a9546fab5fd8016751a23c4d0333247db15c2cd5bb60ba1bc1eaeda8

  • memory/1948-28-0x0000000002790000-0x00000000027D0000-memory.dmp
    Filesize

    256KB

  • memory/1948-30-0x0000000073970000-0x0000000073F1B000-memory.dmp
    Filesize

    5.7MB

  • memory/1948-29-0x0000000002790000-0x00000000027D0000-memory.dmp
    Filesize

    256KB

  • memory/1948-27-0x0000000073970000-0x0000000073F1B000-memory.dmp
    Filesize

    5.7MB

  • memory/1948-26-0x0000000073970000-0x0000000073F1B000-memory.dmp
    Filesize

    5.7MB

  • memory/2300-2-0x0000000000640000-0x0000000000680000-memory.dmp
    Filesize

    256KB

  • memory/2300-3-0x0000000000480000-0x0000000000492000-memory.dmp
    Filesize

    72KB

  • memory/2300-4-0x00000000004E0000-0x00000000004EC000-memory.dmp
    Filesize

    48KB

  • memory/2300-5-0x0000000005BE0000-0x0000000005C62000-memory.dmp
    Filesize

    520KB

  • memory/2300-1-0x00000000741A0000-0x000000007488E000-memory.dmp
    Filesize

    6.9MB

  • memory/2300-21-0x00000000741A0000-0x000000007488E000-memory.dmp
    Filesize

    6.9MB

  • memory/2300-0-0x0000000001230000-0x00000000012E8000-memory.dmp
    Filesize

    736KB

  • memory/2840-16-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/2840-22-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-25-0x0000000074120000-0x000000007480E000-memory.dmp
    Filesize

    6.9MB

  • memory/2840-19-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-17-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-14-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-13-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2840-31-0x0000000074120000-0x000000007480E000-memory.dmp
    Filesize

    6.9MB