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Overview

overview

10

Static

static

9b14c658ca...db.exe

windows7-x64

10

9b14c658ca...db.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    54s
  • max time network
    57s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2022, 23:55

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General

  • Target

    9b14c658ca65e6dbb15909058b378e7fec8926283309c59804117f34d48244db.exe

  • Size

    320KB

  • MD5

    793d498a7c52db86001906f199900cbd

  • SHA1

    3094e39497ce398648a532ac8f38557c9b77df0e

  • SHA256

    9b14c658ca65e6dbb15909058b378e7fec8926283309c59804117f34d48244db

  • SHA512

    b646e8d0b1c1c3fd494f9da5269950955f5ee1aad3382f68e9ff591746ca2a2bb6966f8584aeee5dc9bfadc766fbafd0180ee595125edd1e836c3221caa03c60

  • SSDEEP

    6144:vTwZo1IV3puaibGKFHi0mofhaH05kipz016580bHFbl86JQPDHDdx/QtqR:rXgvmzFHi0mo5aH0qMzd5807FRPJQPDV

Score
10/10
evasionpersistencetrojan

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
    persistence
  • UAC bypass 3 TTPs 12 IoCs
    evasiontrojan
  • Adds policy Run key to start application 2 TTPs 18 IoCs
    persistence
  • Disables RegEdit via registry modification 6 IoCs
    evasion
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 64 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
    evasiontrojan
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 39 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b14c658ca65e6dbb15909058b378e7fec8926283309c59804117f34d48244db.exe
    "C:\Users\Admin\AppData\Local\Temp\9b14c658ca65e6dbb15909058b378e7fec8926283309c59804117f34d48244db.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4932
    • C:\Users\Admin\AppData\Local\Temp\hmaagr.exe
      "C:\Users\Admin\AppData\Local\Temp\hmaagr.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:1060
    • C:\Users\Admin\AppData\Local\Temp\hmaagr.exe
      "C:\Users\Admin\AppData\Local\Temp\hmaagr.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Modifies registry class
      • System policy modification
      PID:1300
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4092

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\hmaagr.exe
      Filesize

      712KB

      MD5

      97d5458f035f572a1abeb6bdb76f52e2

      SHA1

      bc1c92bedd4cc214b0797179277ed7089ba4d206

      SHA256

      1a946cbe95d45cf61ad200a73e741e6aff328dff97d99818e28702c4be06a5dd

      SHA512

      ec230947ef14be512b171fca2efb004ba3f5551f8deaee53d0cb34297f001866f503277724af4d34668d3af036cf53fc8c1af39a14e6e6726f467fb08fc5b423

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\hmaagr.exe
      Filesize

      712KB

      MD5

      97d5458f035f572a1abeb6bdb76f52e2

      SHA1

      bc1c92bedd4cc214b0797179277ed7089ba4d206

      SHA256

      1a946cbe95d45cf61ad200a73e741e6aff328dff97d99818e28702c4be06a5dd

      SHA512

      ec230947ef14be512b171fca2efb004ba3f5551f8deaee53d0cb34297f001866f503277724af4d34668d3af036cf53fc8c1af39a14e6e6726f467fb08fc5b423

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\hmaagr.exe
      Filesize

      712KB

      MD5

      97d5458f035f572a1abeb6bdb76f52e2

      SHA1

      bc1c92bedd4cc214b0797179277ed7089ba4d206

      SHA256

      1a946cbe95d45cf61ad200a73e741e6aff328dff97d99818e28702c4be06a5dd

      SHA512

      ec230947ef14be512b171fca2efb004ba3f5551f8deaee53d0cb34297f001866f503277724af4d34668d3af036cf53fc8c1af39a14e6e6726f467fb08fc5b423

      Download Submit