Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:49

General

  • Target

    c5fac06dc5490d853ef24b050d1d738a4d2aeffe123bb4e4ca858a47d4792b54.exe

  • Size

    28KB

  • MD5

    e175f67434cd197a20050e38fce71736

  • SHA1

    bd6939de1dda4cf658403c6c057024e5dd7746a9

  • SHA256

    c5fac06dc5490d853ef24b050d1d738a4d2aeffe123bb4e4ca858a47d4792b54

  • SHA512

    134bf5a6bd66cb190624b747d390b03ecde5aa03dce4a580b3b961857af4a0f3c8d3a8a9d5f1d8d57806273e600fb4a12c21420db9ebcd2b7d483a2aae8efc4a

  • SSDEEP

    384:2UonGN8G07mxtT4GIBfTTzzYJxru+j1/yzqUbIXi7jm4vG1+:xon+8G07mxqNTTzzYD96H7/o+

Score
8/10

Malware Config

Signatures

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

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

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5fac06dc5490d853ef24b050d1d738a4d2aeffe123bb4e4ca858a47d4792b54.exe
    "C:\Users\Admin\AppData\Local\Temp\c5fac06dc5490d853ef24b050d1d738a4d2aeffe123bb4e4ca858a47d4792b54.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Program Files (x86)\Microsoft Ehivmp\Aiigsmg.exe
      "C:\Program Files (x86)\Microsoft Ehivmp\Aiigsmg.exe"
      2⤵
      • Executes dropped EXE
      PID:3608
  • C:\Program Files (x86)\Microsoft Ehivmp\Aiigsmg.exe
    "C:\Program Files (x86)\Microsoft Ehivmp\Aiigsmg.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies data under HKEY_USERS
    PID:400

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft Ehivmp\Aiigsmg.exe

    Filesize

    28KB

    MD5

    e175f67434cd197a20050e38fce71736

    SHA1

    bd6939de1dda4cf658403c6c057024e5dd7746a9

    SHA256

    c5fac06dc5490d853ef24b050d1d738a4d2aeffe123bb4e4ca858a47d4792b54

    SHA512

    134bf5a6bd66cb190624b747d390b03ecde5aa03dce4a580b3b961857af4a0f3c8d3a8a9d5f1d8d57806273e600fb4a12c21420db9ebcd2b7d483a2aae8efc4a

  • C:\Program Files (x86)\Microsoft Ehivmp\Aiigsmg.exe

    Filesize

    28KB

    MD5

    e175f67434cd197a20050e38fce71736

    SHA1

    bd6939de1dda4cf658403c6c057024e5dd7746a9

    SHA256

    c5fac06dc5490d853ef24b050d1d738a4d2aeffe123bb4e4ca858a47d4792b54

    SHA512

    134bf5a6bd66cb190624b747d390b03ecde5aa03dce4a580b3b961857af4a0f3c8d3a8a9d5f1d8d57806273e600fb4a12c21420db9ebcd2b7d483a2aae8efc4a

  • C:\Program Files (x86)\Microsoft Ehivmp\Aiigsmg.exe

    Filesize

    28KB

    MD5

    e175f67434cd197a20050e38fce71736

    SHA1

    bd6939de1dda4cf658403c6c057024e5dd7746a9

    SHA256

    c5fac06dc5490d853ef24b050d1d738a4d2aeffe123bb4e4ca858a47d4792b54

    SHA512

    134bf5a6bd66cb190624b747d390b03ecde5aa03dce4a580b3b961857af4a0f3c8d3a8a9d5f1d8d57806273e600fb4a12c21420db9ebcd2b7d483a2aae8efc4a

  • memory/3608-132-0x0000000000000000-mapping.dmp