Analysis

  • max time kernel
    173s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 07:37

General

  • Target

    5e63926b7ce5fb0d4bc1363397c655d0c3b29114497308db183b124b048c033f.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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e63926b7ce5fb0d4bc1363397c655d0c3b29114497308db183b124b048c033f.exe
    "C:\Users\Admin\AppData\Local\Temp\5e63926b7ce5fb0d4bc1363397c655d0c3b29114497308db183b124b048c033f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:748
    • 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⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4872
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TkIrKeUGaTLcN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA79A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4792
    • C:\Users\Admin\AppData\Local\Temp\5e63926b7ce5fb0d4bc1363397c655d0c3b29114497308db183b124b048c033f.exe
      "C:\Users\Admin\AppData\Local\Temp\5e63926b7ce5fb0d4bc1363397c655d0c3b29114497308db183b124b048c033f.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4704

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA79A.tmp
    Filesize

    1KB

    MD5

    c43fa0ec949aec5e855c21d3fad77183

    SHA1

    2cb7f8e65dd138bfa5fd30f8d71c583b65f95cb5

    SHA256

    880cd748c92eff3e610b2e14d275316dec931ccd677fc9fc0ef32f903e232f9f

    SHA512

    b5c755e56332fd68172867f332ba598888b0731bdfafd1967c356632dde8d41793dcb6d936e2e817b92b15619a7408c528cdb4d4f01dfd291f4b9db35f4a3b9e

  • memory/748-133-0x0000000005C50000-0x00000000061F4000-memory.dmp
    Filesize

    5.6MB

  • memory/748-134-0x00000000056A0000-0x0000000005732000-memory.dmp
    Filesize

    584KB

  • memory/748-135-0x0000000005670000-0x000000000567A000-memory.dmp
    Filesize

    40KB

  • memory/748-136-0x0000000006630000-0x00000000066CC000-memory.dmp
    Filesize

    624KB

  • memory/748-132-0x0000000000D60000-0x0000000000E0E000-memory.dmp
    Filesize

    696KB

  • memory/4704-142-0x0000000000000000-mapping.dmp
  • memory/4704-154-0x00000000068C0000-0x0000000006910000-memory.dmp
    Filesize

    320KB

  • memory/4704-143-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/4792-138-0x0000000000000000-mapping.dmp
  • memory/4872-144-0x00000000048E0000-0x0000000004902000-memory.dmp
    Filesize

    136KB

  • memory/4872-151-0x00000000073A0000-0x0000000007A1A000-memory.dmp
    Filesize

    6.5MB

  • memory/4872-139-0x0000000002070000-0x00000000020A6000-memory.dmp
    Filesize

    216KB

  • memory/4872-145-0x0000000004A90000-0x0000000004AF6000-memory.dmp
    Filesize

    408KB

  • memory/4872-146-0x0000000005360000-0x00000000053C6000-memory.dmp
    Filesize

    408KB

  • memory/4872-147-0x0000000005A40000-0x0000000005A5E000-memory.dmp
    Filesize

    120KB

  • memory/4872-148-0x0000000006010000-0x0000000006042000-memory.dmp
    Filesize

    200KB

  • memory/4872-149-0x00000000703C0000-0x000000007040C000-memory.dmp
    Filesize

    304KB

  • memory/4872-150-0x0000000005FF0000-0x000000000600E000-memory.dmp
    Filesize

    120KB

  • memory/4872-141-0x0000000004D30000-0x0000000005358000-memory.dmp
    Filesize

    6.2MB

  • memory/4872-152-0x0000000006D50000-0x0000000006D6A000-memory.dmp
    Filesize

    104KB

  • memory/4872-153-0x0000000006DD0000-0x0000000006DDA000-memory.dmp
    Filesize

    40KB

  • memory/4872-137-0x0000000000000000-mapping.dmp
  • memory/4872-155-0x0000000006FD0000-0x0000000007066000-memory.dmp
    Filesize

    600KB

  • memory/4872-156-0x0000000006F80000-0x0000000006F8E000-memory.dmp
    Filesize

    56KB

  • memory/4872-157-0x0000000007090000-0x00000000070AA000-memory.dmp
    Filesize

    104KB

  • memory/4872-158-0x0000000007070000-0x0000000007078000-memory.dmp
    Filesize

    32KB