Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:30

General

  • Target

    RFQ.exe

  • Size

    875KB

  • MD5

    d09e24ff3e15d721e4a7feac4e9b1ef5

  • SHA1

    12017612e0361f56a2d1fd593a3b54895a34f4a9

  • SHA256

    776a4ff176f431da77a945cf047746d71aa1b629c743d16a8018f883692cf7c8

  • SHA512

    9c084b6b92a0cfb0bf7d3eef6aee45a3fd881a968b95e07b268093bb7b41d52bae883b4df012f58afe36d044fa75a6da37384e84b23166b7e6dc7ac770c43d2d

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oLpxgY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA21C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2632
    • C:\Users\Admin\AppData\Local\Temp\RFQ.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      PID:4360

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ.exe.log
    Filesize

    507B

    MD5

    ab4c71d3ff6255edd4e5c1e09540f49e

    SHA1

    22e06bf4e258741b5df918061871cba998c50cea

    SHA256

    1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

    SHA512

    8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

  • C:\Users\Admin\AppData\Local\Temp\tmpA21C.tmp
    Filesize

    1KB

    MD5

    c60e0505924032b24e2ca346156dafa1

    SHA1

    a53ad617e9429faed5b2ac4beb5840e7af9c7abf

    SHA256

    8eabc350581c0faec5fd926910bfb9595984cf9fabb1dd86718e795adff2fa8f

    SHA512

    4384ceef6cc125d6698767eccb4aee0893aa400541ad94127889296eacdb3cdc77c77463cea35a688bbca1043ab9d2c8183e99bf035d18072b58e2437523bc6c

  • memory/2632-135-0x0000000000000000-mapping.dmp
  • memory/4360-163-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-173-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-648-0x00000000052A0000-0x0000000005306000-memory.dmp
    Filesize

    408KB

  • memory/4360-137-0x0000000000000000-mapping.dmp
  • memory/4360-138-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-167-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-143-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-145-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-165-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-147-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-149-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-151-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-153-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-155-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-159-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-161-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-157-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-175-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-141-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-185-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-183-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-171-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-177-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-181-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-179-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-169-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-187-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-191-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-199-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-197-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-201-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-195-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-193-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4360-189-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4480-134-0x0000000005C30000-0x00000000061D4000-memory.dmp
    Filesize

    5.6MB

  • memory/4480-131-0x0000000000010000-0x00000000000F2000-memory.dmp
    Filesize

    904KB

  • memory/4480-132-0x0000000004A50000-0x0000000004AEC000-memory.dmp
    Filesize

    624KB

  • memory/4480-133-0x0000000004C00000-0x0000000004C92000-memory.dmp
    Filesize

    584KB