Analysis

  • max time kernel
    165s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2022 21:11

General

  • Target

    PL/setup331.exe

  • Size

    2.0MB

  • MD5

    2486b7f5f41d592ec4781b54cd828f70

  • SHA1

    604009984d2f335a969ab447a61beec8661a99fe

  • SHA256

    aa0a01e35fe2110068e1934eb568f5d3a41abe4b73a64a045f9a9ab8e085114c

  • SHA512

    116cee6490ae2b631b0457c0ae328f88df74bff3b8f2b47652366cf125d22fc910733859825ed181ae547a664c15e5358c95cdd6b874c43cc426303bfd841370

  • SSDEEP

    49152:3rBfJXAEYCT6v3vX/1AkJxopk7lDiQCv3e6rNx:3rBfKEYd3v+Ioi7Rg5x

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PL\setup331.exe
    "C:\Users\Admin\AppData\Local\Temp\PL\setup331.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" -s MYQXM.k
      2⤵
      • Loads dropped DLL
      PID:904

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MYQXM.k
    Filesize

    1.8MB

    MD5

    942afe4b6c981193fda8ede7a57fd5bb

    SHA1

    62e6bb30e5a02920a3bbb1dffa7bd90d699afcd6

    SHA256

    99128a36e75d6739f15b1c5e8b40b5afe57740e6bf3d573c8636b26f78b2fb88

    SHA512

    2089221b9d554e51b016415b7e07c65ee0d76b1d3136a9424a98212ca812cb8d263d716d79cc4addca40f2c67df25ad642dfa903b6a641afba219bd9fc797955

  • C:\Users\Admin\AppData\Local\Temp\mYQxM.k
    Filesize

    1.8MB

    MD5

    942afe4b6c981193fda8ede7a57fd5bb

    SHA1

    62e6bb30e5a02920a3bbb1dffa7bd90d699afcd6

    SHA256

    99128a36e75d6739f15b1c5e8b40b5afe57740e6bf3d573c8636b26f78b2fb88

    SHA512

    2089221b9d554e51b016415b7e07c65ee0d76b1d3136a9424a98212ca812cb8d263d716d79cc4addca40f2c67df25ad642dfa903b6a641afba219bd9fc797955

  • memory/904-132-0x0000000000000000-mapping.dmp
  • memory/904-135-0x0000000002E70000-0x0000000002F9E000-memory.dmp
    Filesize

    1.2MB

  • memory/904-136-0x00000000030D0000-0x00000000031F9000-memory.dmp
    Filesize

    1.2MB

  • memory/904-137-0x0000000003200000-0x00000000032BD000-memory.dmp
    Filesize

    756KB

  • memory/904-138-0x00000000032D0000-0x0000000003379000-memory.dmp
    Filesize

    676KB

  • memory/904-139-0x00000000032D0000-0x0000000003379000-memory.dmp
    Filesize

    676KB

  • memory/904-141-0x00000000030D0000-0x00000000031F9000-memory.dmp
    Filesize

    1.2MB