Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-07-2024 15:55

General

  • Target

    Orcus RAT 1.9.1/Orcus.Administration/Orcus.Administration.exe

  • Size

    3.9MB

  • MD5

    37349777df1cc9c8d3d62eb733f7cd45

  • SHA1

    456233fa947ab155dbe5636eda0a77346197bb4c

  • SHA256

    0121f2d7ddc074ffa05619dbb2a4b555a4b550168a765b57fa8bd9298a7e4b52

  • SHA512

    ca4e1a39dbb0fa0c6bbef7142cf457856cc2db14c03b5b9ea5c28811a3a70cc05505320f50e133e166aad25d779ac043b0f29b09bb34a342f5111603cc5dd074

  • SSDEEP

    49152:VZV/t1QLjeVxAl40NVANW8cyTXTG1H66VbTWnepAl4:VZVDVxAl40NG48cyTKjVbTWnepAl4

Malware Config

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcurs Rat Executable 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Orcus RAT 1.9.1\Orcus.Administration\Orcus.Administration.exe
    "C:\Users\Admin\AppData\Local\Temp\Orcus RAT 1.9.1\Orcus.Administration\Orcus.Administration.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Users\Admin\AppData\Local\Temp\Orcus RAT 1.9.1\Orcus.Administration\Orcus.Administration.exe
      "C:\Users\Admin\AppData\Local\Temp\Orcus RAT 1.9.1\Orcus.Administration\Orcus.Administration.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3KB

    MD5

    3dd6d1e944fba4e73004887f29d900d1

    SHA1

    0004adb072c67367f5f0b019fce8cb4b61048f8b

    SHA256

    1049a780823492409fcad044c1a05034f741abb2f0aa8b99369f860085ea4c17

    SHA512

    74e86c903f3b3be79a89add61e1cd2707a0c6f159eff671baf4610b61eb2f4b00b6582c51d18c7fd75525504caa51bfcd858ae3a7f9ada84fc1f3ebac3a14eb4

  • C:\Users\Admin\AppData\Local\Temp\Orcus RAT 1.9.1\Orcus.Administration\settings.json

    Filesize

    924B

    MD5

    f52bc81b9bd5fd71892b5a9455a7acc9

    SHA1

    671ce63a513aef4ada032dea0056cb4879d9838b

    SHA256

    6078c4dd16f55d29b426d9fc002124cfd65efe54ed056a564cc9f0a68f1813ff

    SHA512

    69bfcff1dfb57d6f5fbafb3c01d6c27064d816c923ad4257ee879f5601a22f271d8e5a62eac8e97e90a73f0d100a784275b9ae2a104b383e3e9dd7c8c43fb0f8

  • memory/1112-22-0x000000000A110000-0x000000000A148000-memory.dmp

    Filesize

    224KB

  • memory/1112-1-0x0000000000D40000-0x0000000001136000-memory.dmp

    Filesize

    4.0MB

  • memory/1112-4-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1112-24-0x000000000A0D0000-0x000000000A0DE000-memory.dmp

    Filesize

    56KB

  • memory/1112-6-0x0000000006630000-0x000000000675C000-memory.dmp

    Filesize

    1.2MB

  • memory/1112-7-0x0000000005FA0000-0x0000000005FC2000-memory.dmp

    Filesize

    136KB

  • memory/1112-8-0x0000000006760000-0x000000000688A000-memory.dmp

    Filesize

    1.2MB

  • memory/1112-9-0x00000000060F0000-0x0000000006104000-memory.dmp

    Filesize

    80KB

  • memory/1112-10-0x0000000006110000-0x000000000612C000-memory.dmp

    Filesize

    112KB

  • memory/1112-11-0x00000000068D0000-0x0000000006902000-memory.dmp

    Filesize

    200KB

  • memory/1112-12-0x00000000069A0000-0x0000000006A26000-memory.dmp

    Filesize

    536KB

  • memory/1112-13-0x0000000006130000-0x0000000006140000-memory.dmp

    Filesize

    64KB

  • memory/1112-14-0x0000000006970000-0x0000000006982000-memory.dmp

    Filesize

    72KB

  • memory/1112-15-0x0000000006990000-0x000000000699E000-memory.dmp

    Filesize

    56KB

  • memory/1112-16-0x0000000006A90000-0x0000000006AEC000-memory.dmp

    Filesize

    368KB

  • memory/1112-17-0x0000000006BA0000-0x0000000006C50000-memory.dmp

    Filesize

    704KB

  • memory/1112-18-0x0000000006B40000-0x0000000006B72000-memory.dmp

    Filesize

    200KB

  • memory/1112-26-0x000000000A0F0000-0x000000000A0FC000-memory.dmp

    Filesize

    48KB

  • memory/1112-20-0x0000000006CC0000-0x0000000006D26000-memory.dmp

    Filesize

    408KB

  • memory/1112-21-0x000000000A240000-0x000000000A248000-memory.dmp

    Filesize

    32KB

  • memory/1112-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

    Filesize

    4KB

  • memory/1112-23-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1112-5-0x00000000063E0000-0x00000000064F2000-memory.dmp

    Filesize

    1.1MB

  • memory/1112-3-0x0000000006140000-0x00000000063D6000-memory.dmp

    Filesize

    2.6MB

  • memory/1112-19-0x0000000006B20000-0x0000000006B30000-memory.dmp

    Filesize

    64KB

  • memory/1112-27-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

    Filesize

    4KB

  • memory/1112-28-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1112-29-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1112-30-0x000000000C9C0000-0x000000000D6F0000-memory.dmp

    Filesize

    13.2MB

  • memory/1112-31-0x0000000006F80000-0x0000000006F92000-memory.dmp

    Filesize

    72KB

  • memory/1112-32-0x000000000AAE0000-0x000000000AB02000-memory.dmp

    Filesize

    136KB

  • memory/1112-33-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1112-34-0x000000000BC90000-0x000000000BFE4000-memory.dmp

    Filesize

    3.3MB

  • memory/1112-25-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1112-42-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1112-2-0x0000000005B60000-0x0000000005C1E000-memory.dmp

    Filesize

    760KB

  • memory/4192-40-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/4192-44-0x0000000006AE0000-0x0000000006BBC000-memory.dmp

    Filesize

    880KB

  • memory/4192-45-0x0000000007490000-0x0000000007A34000-memory.dmp

    Filesize

    5.6MB

  • memory/4192-46-0x0000000006F00000-0x0000000006F18000-memory.dmp

    Filesize

    96KB

  • memory/4192-47-0x0000000007480000-0x0000000007488000-memory.dmp

    Filesize

    32KB

  • memory/4192-48-0x000000000E320000-0x000000000E938000-memory.dmp

    Filesize

    6.1MB

  • memory/4192-49-0x000000000A390000-0x000000000A3A0000-memory.dmp

    Filesize

    64KB

  • memory/4192-39-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/4192-53-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB