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Analysis

  • max time kernel
    206s
  • max time network
    218s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 05:49

General

  • Target

    1aac2e87d6fe183c5e47a1ed87a74a9617cdd07202c28dfa3e1996729c2bab8e.exe

  • Size

    3.1MB

  • MD5

    6460c9956bd90b9fc83d318aac0c72f7

  • SHA1

    130d7cd6d44234a2c8b78bb10a592539ecae0703

  • SHA256

    1aac2e87d6fe183c5e47a1ed87a74a9617cdd07202c28dfa3e1996729c2bab8e

  • SHA512

    d33c712830bd31d16eb7aba30eaf331cef6ac6a5b06c5be0180411caa5828e147db8379991431cb2098ee5ff00437cc2c7e333930df215b2856d5b30da768603

  • SSDEEP

    49152:T0T9a9PH8kmpnUYBTGpax+5jrdewURNGzGo5KG+jLcasY6DwOBfrnvV7UeWtPNZ:TQofrJuTGKnwURNGUnjQYiwOBpIeWHZ

Score
8/10

Malware Config

Signatures

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

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

  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1aac2e87d6fe183c5e47a1ed87a74a9617cdd07202c28dfa3e1996729c2bab8e.exe
    "C:\Users\Admin\AppData\Local\Temp\1aac2e87d6fe183c5e47a1ed87a74a9617cdd07202c28dfa3e1996729c2bab8e.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\mswdzyhk.gtv\1aac2e87d6fe183c5e47a1ed87a74a9617cdd07202c28dfa3e1996729c2bab8e.exe
      "C:\Users\Admin\AppData\Local\Temp\mswdzyhk.gtv\1aac2e87d6fe183c5e47a1ed87a74a9617cdd07202c28dfa3e1996729c2bab8e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\1aac2e87d6fe183c5e47a1ed87a74a9617cdd07202c28dfa3e1996729c2bab8e.exe.log

    Filesize

    312B

    MD5

    d4b49ac61a6cac139f96450777c10204

    SHA1

    92089d33442c9e2eaceac3ed8db6a7168f938e5a

    SHA256

    807bdfa62a4312030c1ed54981674cff77f6108e6b4957754cabb810098ce082

    SHA512

    eb13a0e7f0d4b44db7e8d0625ba1ee6a036083c39c24b85493d3ec9074ada03eb7003b97bd92ed5f2baaf26295a4690303332593c4776e75da5bc3b6adbc3ea6

  • C:\Users\Admin\AppData\Local\Temp\mswdzyhk.gtv\1aac2e87d6fe183c5e47a1ed87a74a9617cdd07202c28dfa3e1996729c2bab8e.exe

    Filesize

    3.0MB

    MD5

    7d590bccd10a91278a1d0c1db1e6886f

    SHA1

    b95b286fa7ba1457bb7a93b06761177e84b0c8e2

    SHA256

    cb17a248e6356ce4b8ee44f6eb567d7a16f093dbe2706928861d0920825d4155

    SHA512

    00a9acda8e00c00c3e89bf5aa7de555dfd37c41c93f260114f07376dc586b5dc8feaa4712a0b15e335ebb31d550856c812f00683cbc9a6b94b8dbab0c89f88d9

  • C:\Users\Admin\AppData\Local\Temp\mswdzyhk.gtv\1aac2e87d6fe183c5e47a1ed87a74a9617cdd07202c28dfa3e1996729c2bab8e.exe

    Filesize

    3.0MB

    MD5

    7d590bccd10a91278a1d0c1db1e6886f

    SHA1

    b95b286fa7ba1457bb7a93b06761177e84b0c8e2

    SHA256

    cb17a248e6356ce4b8ee44f6eb567d7a16f093dbe2706928861d0920825d4155

    SHA512

    00a9acda8e00c00c3e89bf5aa7de555dfd37c41c93f260114f07376dc586b5dc8feaa4712a0b15e335ebb31d550856c812f00683cbc9a6b94b8dbab0c89f88d9

  • C:\Users\Admin\AppData\Local\Temp\mswdzyhk.gtv\7z.dll

    Filesize

    893KB

    MD5

    04ad4b80880b32c94be8d0886482c774

    SHA1

    344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

    SHA256

    a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

    SHA512

    3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

  • memory/2324-141-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-134-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-133-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/4160-146-0x0000000002A10000-0x0000000002A4D000-memory.dmp

    Filesize

    244KB

  • memory/4160-149-0x00000000737A0000-0x00000000737FB000-memory.dmp

    Filesize

    364KB

  • memory/4160-139-0x0000000075210000-0x0000000075425000-memory.dmp

    Filesize

    2.1MB

  • memory/4160-144-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/4160-145-0x0000000000B80000-0x0000000000C70000-memory.dmp

    Filesize

    960KB

  • memory/4160-138-0x0000000000B80000-0x0000000000C70000-memory.dmp

    Filesize

    960KB

  • memory/4160-143-0x0000000076800000-0x0000000076DB3000-memory.dmp

    Filesize

    5.7MB

  • memory/4160-147-0x0000000076F90000-0x0000000077211000-memory.dmp

    Filesize

    2.5MB

  • memory/4160-148-0x0000000076EA0000-0x0000000076F83000-memory.dmp

    Filesize

    908KB

  • memory/4160-140-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/4160-150-0x0000000072C00000-0x0000000072EDE000-memory.dmp

    Filesize

    2.9MB

  • memory/4160-151-0x0000000072F80000-0x0000000072F88000-memory.dmp

    Filesize

    32KB

  • memory/4160-153-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/4160-154-0x0000000000B80000-0x0000000000C70000-memory.dmp

    Filesize

    960KB

  • memory/4160-155-0x0000000002A10000-0x0000000002A4D000-memory.dmp

    Filesize

    244KB

  • memory/4160-156-0x0000000072F80000-0x0000000072F88000-memory.dmp

    Filesize

    32KB