Analysis

  • max time kernel
    154s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    19-02-2022 20:37

General

  • Target

    58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe

  • Size

    30KB

  • MD5

    eda4f4cf9a26b9bc9884e14436c7b9be

  • SHA1

    5d3134fb6ea8081b8b005e14bdcd71ed1a302eb6

  • SHA256

    58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b

  • SHA512

    21c39c5282d46eb1a47157f3e86cc4f68a3080769cb80815d19b687838135d96b23ee309963461a5fc0abee21aa0764941f3bb4921762365a59b7a194549b027

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe
    "C:\Users\Admin\AppData\Local\Temp\58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:4224
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4180

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/448-133-0x0000000000480000-0x0000000000481000-memory.dmp

    Filesize

    4KB

  • memory/4180-130-0x0000021AA0790000-0x0000021AA07A0000-memory.dmp

    Filesize

    64KB

  • memory/4180-131-0x0000021AA0D20000-0x0000021AA0D30000-memory.dmp

    Filesize

    64KB

  • memory/4180-132-0x0000021AA3410000-0x0000021AA3414000-memory.dmp

    Filesize

    16KB