orcus | 945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 01:02

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General

Target

945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
Size

924KB
MD5

da40621730da7f04a2b9548e1de7fb53
SHA1

9bd5431b68e24146252c98a00f92da2ef00a1f31
SHA256

945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7
SHA512

997ecf148b2950a51b26d8f90be80cb84a730f3a2bd7534880217f92a7916ffeb6482d70a89f0cc2f4fdda10c6ef41b69af5cb4405c96f66b0ffa3944280d5b5
SSDEEP

24576:Dzra4MROxnFE3KrXpprZlI0AilFEvxHi6j:Dz1MiuQpprZlI0AilFEvxHi

Score

10^/10

orcus с новым годом discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

С новым годом

192.168.0.47:10134

Mutex

b5f1e47ccf614de682f6a6dee499b151

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programfiles%\OperaaGx\OperaaGx.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
OperaaGx
watchdog_path
AppData\OperaaGx.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus
Orcus family
orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023ba3-65.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023ba3-65.dat	orcus
behavioral2/memory/516-77-0x0000000000370000-0x000000000045E000-memory.dmp	orcus

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	OperaaGx.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	OperaaGx.exe

Executes dropped EXE 6 IoCs

pid	Process
3816	WindowsInput.exe
2288	WindowsInput.exe
516	OperaaGx.exe
1520	OperaaGx.exe
372	OperaaGx.exe
4008	OperaaGx.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\OperaaGx\OperaaGx.exe	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
File opened for modification	C:\Program Files\OperaaGx\OperaaGx.exe	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
File created	C:\Program Files\OperaaGx\OperaaGx.exe.config	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
File created	C:\Windows\assembly\Desktop.ini	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OperaaGx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OperaaGx.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
516	OperaaGx.exe
516	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
4008	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe
516	OperaaGx.exe
4008	OperaaGx.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	516	OperaaGx.exe
Token: SeDebugPrivilege	372	OperaaGx.exe
Token: SeDebugPrivilege	4008	OperaaGx.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
516	OperaaGx.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
516	OperaaGx.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
516	OperaaGx.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 4768	4456	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe	82
PID 4456 wrote to memory of 4768	4456	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe	82
PID 4768 wrote to memory of 3492	4768	csc.exe	84
PID 4768 wrote to memory of 3492	4768	csc.exe	84
PID 4456 wrote to memory of 3816	4456	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe	86
PID 4456 wrote to memory of 3816	4456	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe	86
PID 4456 wrote to memory of 516	4456	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe	88
PID 4456 wrote to memory of 516	4456	945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe	88
PID 516 wrote to memory of 372	516	OperaaGx.exe	90
PID 516 wrote to memory of 372	516	OperaaGx.exe	90
PID 516 wrote to memory of 372	516	OperaaGx.exe	90
PID 372 wrote to memory of 4008	372	OperaaGx.exe	91
PID 372 wrote to memory of 4008	372	OperaaGx.exe	91
PID 372 wrote to memory of 4008	372	OperaaGx.exe	91

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe
"C:\Users\Admin\AppData\Local\Temp\945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\draqbtoj.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4768
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2E23.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC2E22.tmp"
    3⤵
    PID:3492
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:3816
- C:\Program Files\OperaaGx\OperaaGx.exe
  "C:\Program Files\OperaaGx\OperaaGx.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:516
- - C:\Users\Admin\AppData\Roaming\OperaaGx.exe
    "C:\Users\Admin\AppData\Roaming\OperaaGx.exe" /launchSelfAndExit "C:\Program Files\OperaaGx\OperaaGx.exe" 516 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:372
  - - C:\Users\Admin\AppData\Roaming\OperaaGx.exe
      "C:\Users\Admin\AppData\Roaming\OperaaGx.exe" /watchProcess "C:\Program Files\OperaaGx\OperaaGx.exe" 516 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4008

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2288

C:\Program Files\OperaaGx\OperaaGx.exe
"C:\Program Files\OperaaGx\OperaaGx.exe"
1⤵
- Executes dropped EXE
PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\OperaaGx\OperaaGx.exe

Filesize
924KB

MD5
da40621730da7f04a2b9548e1de7fb53

SHA1
9bd5431b68e24146252c98a00f92da2ef00a1f31

SHA256
945be953a3c727167f2d0bf08830062d404e28c3e61c57458a1ce91b7d97aff7

SHA512
997ecf148b2950a51b26d8f90be80cb84a730f3a2bd7534880217f92a7916ffeb6482d70a89f0cc2f4fdda10c6ef41b69af5cb4405c96f66b0ffa3944280d5b5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\OperaaGx.exe.log

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES2E23.tmp

Filesize
1KB

MD5
fff7778d1e2736a54354c503f04caa93

SHA1
6396baef42519c375af4e6618623275969a75d2e

SHA256
0dfe5eb7d3a416660a6f07596dede0ccf93d4cba7f0ea2269ef93151e0459ad4

SHA512
bc06b5328339787a1309af090371c371a01be8f7000b3cdc69d6991bf980e63ba15eafdcabcb63321cf67c91e0dde6b1aa011fc457636f9b446481e8731f781c

Download Submit
C:\Users\Admin\AppData\Local\Temp\draqbtoj.dll

Filesize
76KB

MD5
84dfea04b42c3f2572e41559dfbe4072

SHA1
a0d2ed56740b689244d406b76996a4c5ddb0700c

SHA256
1cee537fb179e85abb4aaabd23d88ccb6b850d971023caa059f0a0d5c114f86e

SHA512
6800562d596a89e56b79c7047c85d8e912b6db3352bbdcad600b7f840178556f50987aae8c09bdf337da0be8095fa9828a46079b15a4629a9fbbeb86ee98f5e0

Download Submit
C:\Users\Admin\AppData\Roaming\OperaaGx.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\system32\err_b5f1e47ccf614de682f6a6dee499b151.dat

Filesize
1KB

MD5
a62d24af9cb9649603c9aac919e4a788

SHA1
3195950a465fb691bda5afd9124ce349cef09222

SHA256
cb0db5d0c93f619b89b06ffc68e9b0f35d2301c0998df7a9044b07d5d36b0905

SHA512
c22315703a4b06ff117a74b562ceedf3f095f764fcc298f8b6a468c5e6a23eac3d683057ba5f885d2105225ccb189c3f5e45198d21b9cece3d16a672962e3786

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC2E22.tmp

Filesize
676B

MD5
5320aa488c49c382a47e8d4a7c8479a1

SHA1
83154f1d4589f5b0a5f23f00262d7ec0c9933049

SHA256
9e841f40dd2c8e4302ca0268ecf568d20d593f074e55ad3e14e8e03ffc9621a9

SHA512
25aa6c53a4f0d85a4a8ba11f1ed9715bc03e6ce04ac02bbea75c0f1bc1abfdff658fdce3b4ae903914c66e8036618885fa363e6a980d9e9cd041115f923a79a8

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\draqbtoj.0.cs

Filesize
208KB

MD5
313f5e5ea882a83f1a2268af2776b7e9

SHA1
5c5d887d1ada9b19236c8541969dd1c14cad3b99

SHA256
55a632c5397e15a126ecf0394f0722d816266238eb2da7b3105c31f3dcac5e4e

SHA512
3904ddf01d6c1c7056b72f7837bb4fe9c96bcbef1896c8fd1fc76070e261b7b7bb75ea26c0c3cb9cd55bf5d77a744270780ccad429cfd0029bb09b01d5710ea2

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\draqbtoj.cmdline

Filesize
349B

MD5
7a63698decdc2486d4d03260c5da965c

SHA1
99a0371983149e6732a3dbbabda400f1d3750c0d

SHA256
fcae017b663e0a9f097b2285119469eae22c77361c2739d896ab136bf09af311

SHA512
971a3ed21f05a24d370e23725ee13c2cf16a61fdabed322c8ce839f530106c7cf343833b0f383a7a8c6033de9c956c891b02f2165b9b81ad407e73f60111c88b

Download Submit
memory/372-99-0x0000000000500000-0x0000000000508000-memory.dmp

Filesize
32KB

Download
memory/516-81-0x000000001C460000-0x000000001C4AE000-memory.dmp

Filesize
312KB

Download
memory/516-83-0x000000001C5F0000-0x000000001C608000-memory.dmp

Filesize
96KB

Download
memory/516-78-0x000000001AF50000-0x000000001AF62000-memory.dmp

Filesize
72KB

Download
memory/516-85-0x000000001C720000-0x000000001C730000-memory.dmp

Filesize
64KB

Download
memory/516-77-0x0000000000370000-0x000000000045E000-memory.dmp

Filesize
952KB

Download
memory/516-84-0x000000001C950000-0x000000001CB12000-memory.dmp

Filesize
1.8MB

Download
memory/2288-59-0x000000001A890000-0x000000001A99A000-memory.dmp

Filesize
1.0MB

Download
memory/3816-51-0x00007FFD978C3000-0x00007FFD978C5000-memory.dmp

Filesize
8KB

Download
memory/3816-54-0x0000000002A10000-0x0000000002A4C000-memory.dmp

Filesize
240KB

Download
memory/3816-53-0x00000000010C0000-0x00000000010D2000-memory.dmp

Filesize
72KB

Download
memory/3816-52-0x00000000007E0000-0x00000000007EC000-memory.dmp

Filesize
48KB

Download
memory/4456-35-0x00007FFD9A670000-0x00007FFD9B011000-memory.dmp

Filesize
9.6MB

Download
memory/4456-26-0x0000000001140000-0x0000000001148000-memory.dmp

Filesize
32KB

Download
memory/4456-29-0x000000001D890000-0x000000001DE4A000-memory.dmp

Filesize
5.7MB

Download
memory/4456-37-0x000000001E300000-0x000000001E320000-memory.dmp

Filesize
128KB

Download
memory/4456-28-0x000000001CF20000-0x000000001CF82000-memory.dmp

Filesize
392KB

Download
memory/4456-27-0x00000000012D0000-0x00000000012D8000-memory.dmp

Filesize
32KB

Download
memory/4456-33-0x00007FFD9A670000-0x00007FFD9B011000-memory.dmp

Filesize
9.6MB

Download
memory/4456-32-0x000000001DF50000-0x000000001DF99000-memory.dmp

Filesize
292KB

Download
memory/4456-31-0x000000001D080000-0x000000001D09E000-memory.dmp

Filesize
120KB

Download
memory/4456-30-0x000000001DE50000-0x000000001DF40000-memory.dmp

Filesize
960KB

Download
memory/4456-0-0x00007FFD9A925000-0x00007FFD9A926000-memory.dmp

Filesize
4KB

Download
memory/4456-34-0x000000001E030000-0x000000001E0A0000-memory.dmp

Filesize
448KB

Download
memory/4456-76-0x00007FFD9A670000-0x00007FFD9B011000-memory.dmp

Filesize
9.6MB

Download
memory/4456-25-0x0000000001110000-0x0000000001122000-memory.dmp

Filesize
72KB

Download
memory/4456-23-0x000000001CB40000-0x000000001CB56000-memory.dmp

Filesize
88KB

Download
memory/4456-1-0x00007FFD9A670000-0x00007FFD9B011000-memory.dmp

Filesize
9.6MB

Download
memory/4456-2-0x000000001B840000-0x000000001B89C000-memory.dmp

Filesize
368KB

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memory/4456-8-0x000000001C480000-0x000000001C51C000-memory.dmp

Filesize
624KB

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memory/4456-7-0x000000001BF10000-0x000000001C3DE000-memory.dmp

Filesize
4.8MB

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memory/4456-6-0x00007FFD9A670000-0x00007FFD9B011000-memory.dmp

Filesize
9.6MB

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memory/4456-5-0x000000001BA30000-0x000000001BA3E000-memory.dmp

Filesize
56KB

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memory/4768-16-0x00007FFD9A670000-0x00007FFD9B011000-memory.dmp

Filesize
9.6MB

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memory/4768-21-0x00007FFD9A670000-0x00007FFD9B011000-memory.dmp

Filesize
9.6MB

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