Analysis

  • max time kernel
    252s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 08:03

General

  • Target

    d37df64a441aae0025e509e08dace830.exe

  • Size

    670KB

  • MD5

    d37df64a441aae0025e509e08dace830

  • SHA1

    e466c3fd79844bde116aa7b372bde23316e9acd8

  • SHA256

    5e63926b7ce5fb0d4bc1363397c655d0c3b29114497308db183b124b048c033f

  • SHA512

    4ce48986a74c1e099e6177b865d41e950c2c073306c0464f7b060a696d217826081b1c4af355594694304dcb5eaffedfd7a6ff74defb9fd119bca5ace06039a7

  • SSDEEP

    12288:iPuYd+V6b1momPZef5XmeFMGIhZNKfNo4uQYWOgBlpkLnLR0iFRnbGOOPuYd+V6b:iPuYd+V6bIomxi5XPyLKfN6QYPgj2zL

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5466358579:AAFHSCLt1chyZSTsCVrxZSdLSPQ_50Hs-ww/

Signatures

  • AgentTesla

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 43 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d37df64a441aae0025e509e08dace830.exe
    "C:\Users\Admin\AppData\Local\Temp\d37df64a441aae0025e509e08dace830.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:544
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TkIrKeUGaTLcN.exe"
      2⤵
        PID:1660
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TkIrKeUGaTLcN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD26.tmp"
        2⤵
        • Creates scheduled task(s)
        PID:1840
      • C:\Users\Admin\AppData\Local\Temp\d37df64a441aae0025e509e08dace830.exe
        "C:\Users\Admin\AppData\Local\Temp\d37df64a441aae0025e509e08dace830.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2000

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpDD26.tmp
      Filesize

      1KB

      MD5

      9df68008741fe4e8ed7f536e1ee08b87

      SHA1

      2896edec298f7e65d78ca2432acad556f49989bf

      SHA256

      3181e48b3cb99f29be186fcc6633c0040629bb8360c973833e5b2d87eaf4c23e

      SHA512

      be227ffa11c921fde62e17c6d5ba2e9e2af7e7413f573de2de9458d80ee1bdcfa269eef7c59c773c97ee9410cd65e8362831a55e0ad05321de2face9f25761fb

    • memory/544-55-0x00000000759F1000-0x00000000759F3000-memory.dmp
      Filesize

      8KB

    • memory/544-56-0x00000000002F0000-0x000000000030A000-memory.dmp
      Filesize

      104KB

    • memory/544-57-0x0000000000250000-0x000000000025E000-memory.dmp
      Filesize

      56KB

    • memory/544-58-0x00000000050D0000-0x0000000005142000-memory.dmp
      Filesize

      456KB

    • memory/544-65-0x00000000048A0000-0x00000000048D8000-memory.dmp
      Filesize

      224KB

    • memory/544-54-0x0000000000A50000-0x0000000000AFE000-memory.dmp
      Filesize

      696KB

    • memory/1660-63-0x000000006E400000-0x000000006E9AB000-memory.dmp
      Filesize

      5.7MB

    • memory/1660-64-0x000000006E400000-0x000000006E9AB000-memory.dmp
      Filesize

      5.7MB

    • memory/1660-59-0x0000000000000000-mapping.dmp
    • memory/1840-60-0x0000000000000000-mapping.dmp
    • memory/2000-66-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2000-67-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2000-69-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2000-70-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2000-71-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2000-72-0x00000000004324AE-mapping.dmp
    • memory/2000-74-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2000-76-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB