Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2023, 20:18

General

  • Target

    Orcus.Administration.exe

  • Size

    16.0MB

  • MD5

    7f7b2703abcebcb2d71f39bd52d1f769

  • SHA1

    0f51575722ef821a518424ac63c4b88180cad283

  • SHA256

    8a3d0732066d784b2cadbe9b3d227f3a7df322f28afaae6bcb5ba8d45bd03964

  • SHA512

    d09d7b73232eef2b07db8cdf179a792a0639bb4a4eb656ae24f72cf717ec07e31a45aace639b690bf3c03a9b5a9c4b47e38d101283613fbb53f44004612928dc

  • SSDEEP

    24576:RCRS04YNEMuExDiU6E5R9s8xY/2l/djJ5dtsPxNGfRBeIbt+rfUpbknyy:RCT4auS+UjfU2T95XDjeIbt+rubknyy

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe
    "C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\GamerView\sqlite3.dll

    Filesize

    626KB

    MD5

    d8aec01ff14e3e7ad43a4b71e30482e4

    SHA1

    e3015f56f17d845ec7eef11d41bbbc28cc16d096

    SHA256

    da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

    SHA512

    f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

    Filesize

    16.0MB

    MD5

    7f7b2703abcebcb2d71f39bd52d1f769

    SHA1

    0f51575722ef821a518424ac63c4b88180cad283

    SHA256

    8a3d0732066d784b2cadbe9b3d227f3a7df322f28afaae6bcb5ba8d45bd03964

    SHA512

    d09d7b73232eef2b07db8cdf179a792a0639bb4a4eb656ae24f72cf717ec07e31a45aace639b690bf3c03a9b5a9c4b47e38d101283613fbb53f44004612928dc

  • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

    Filesize

    16.0MB

    MD5

    7f7b2703abcebcb2d71f39bd52d1f769

    SHA1

    0f51575722ef821a518424ac63c4b88180cad283

    SHA256

    8a3d0732066d784b2cadbe9b3d227f3a7df322f28afaae6bcb5ba8d45bd03964

    SHA512

    d09d7b73232eef2b07db8cdf179a792a0639bb4a4eb656ae24f72cf717ec07e31a45aace639b690bf3c03a9b5a9c4b47e38d101283613fbb53f44004612928dc

  • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

    Filesize

    16.0MB

    MD5

    7f7b2703abcebcb2d71f39bd52d1f769

    SHA1

    0f51575722ef821a518424ac63c4b88180cad283

    SHA256

    8a3d0732066d784b2cadbe9b3d227f3a7df322f28afaae6bcb5ba8d45bd03964

    SHA512

    d09d7b73232eef2b07db8cdf179a792a0639bb4a4eb656ae24f72cf717ec07e31a45aace639b690bf3c03a9b5a9c4b47e38d101283613fbb53f44004612928dc

  • memory/2440-135-0x0000000005260000-0x0000000005804000-memory.dmp

    Filesize

    5.6MB

  • memory/2440-136-0x0000000005050000-0x00000000050E2000-memory.dmp

    Filesize

    584KB

  • memory/2440-134-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

    Filesize

    64KB

  • memory/2440-133-0x00000000000C0000-0x0000000000212000-memory.dmp

    Filesize

    1.3MB

  • memory/2440-137-0x0000000005160000-0x00000000051C6000-memory.dmp

    Filesize

    408KB

  • memory/4712-161-0x0000000007280000-0x000000000728A000-memory.dmp

    Filesize

    40KB

  • memory/4712-152-0x0000000006850000-0x0000000006A12000-memory.dmp

    Filesize

    1.8MB

  • memory/4712-151-0x00000000057D0000-0x00000000057E0000-memory.dmp

    Filesize

    64KB

  • memory/4712-162-0x0000000007C80000-0x0000000008298000-memory.dmp

    Filesize

    6.1MB

  • memory/4712-163-0x00000000076A0000-0x00000000076B2000-memory.dmp

    Filesize

    72KB

  • memory/4712-164-0x0000000007700000-0x000000000773C000-memory.dmp

    Filesize

    240KB

  • memory/4712-165-0x00000000078D0000-0x00000000079DA000-memory.dmp

    Filesize

    1.0MB

  • memory/4712-166-0x00000000087D0000-0x0000000008CFC000-memory.dmp

    Filesize

    5.2MB

  • memory/4712-167-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/4712-168-0x00000000057D0000-0x00000000057E0000-memory.dmp

    Filesize

    64KB

  • memory/4712-170-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB