Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2023 13:47

General

  • Target

    Karachaganak Gas Project Unit 4 (KGP).exe

  • Size

    1.2MB

  • MD5

    870627d582b51f98fa0121b0079981b6

  • SHA1

    600f85e2caddb36af617617605b5357b87ff9c21

  • SHA256

    bd3de02e97b1484955daace9cd74c656ce3ea4cd303767285102f78b980b9403

  • SHA512

    d34820f241789123332a3f7966ef73dc1293b2a8b41aaab426c7cf8f62efc3af5363a95c5b726a9854db799924d15deb042aba69a2ee2b0f7d155347717036af

  • SSDEEP

    24576:c5D1RHLc3PPwWYYIwcuL87Etqq6vOSpd57vwvN4j6Ii3Vke3M:c5BRH+nmy87jd57v243akF

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6797507482:AAHJ8LYbNUMw7Y3bc6Qgeuc5Q3n-h2KBG50/

Signatures

  • AgentTesla

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • 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).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Karachaganak Gas Project Unit 4 (KGP).exe
    "C:\Users\Admin\AppData\Local\Temp\Karachaganak Gas Project Unit 4 (KGP).exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2836
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Karachaganak Gas Project Unit 4 (KGP).exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1884
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1884-16-0x00000000749F0000-0x0000000074F9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1884-19-0x00000000749F0000-0x0000000074F9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1884-18-0x00000000025C0000-0x0000000002600000-memory.dmp

    Filesize

    256KB

  • memory/1884-17-0x00000000025C0000-0x0000000002600000-memory.dmp

    Filesize

    256KB

  • memory/1884-15-0x00000000749F0000-0x0000000074F9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2776-22-0x00000000048F0000-0x0000000004930000-memory.dmp

    Filesize

    256KB

  • memory/2776-21-0x00000000738C0000-0x0000000073FAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2776-5-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2776-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2776-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2776-13-0x00000000738C0000-0x0000000073FAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2776-14-0x00000000048F0000-0x0000000004930000-memory.dmp

    Filesize

    256KB

  • memory/2836-4-0x0000000000470000-0x00000000004CE000-memory.dmp

    Filesize

    376KB

  • memory/2836-9-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/2836-0-0x00000000009B0000-0x0000000000AE6000-memory.dmp

    Filesize

    1.2MB

  • memory/2836-3-0x0000000004920000-0x0000000004960000-memory.dmp

    Filesize

    256KB

  • memory/2836-2-0x00000000003B0000-0x00000000003CA000-memory.dmp

    Filesize

    104KB

  • memory/2836-1-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB