orcus | a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-07-2024 01:54

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General

Target

a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
Size

928KB
MD5

aa3362e493dd4f9c37c77ddf6a56e730
SHA1

79855a192d6e84547123031b696115523728cfdd
SHA256

a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c
SHA512

eb62bc2757310c7bc8121f14ea2331599761ff1f1471d8f1bb0e1f0ca419c51813461b1d77223dfb440eb3c6bb568918b943a9f0099eb7edd27cd38bfa8915c0
SSDEEP

24576:lxX4MROxnFE3SO3krrcI0AilFEvxHPYooC:l2MiuXkrrcI0AilFEvxHP

Score

10^/10

orcus persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.0.103:1423

Mutex

73d27aa3492b4dff9124fdf2b9be1cd4

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Sуstem
taskscheduler_taskname
Realer HD Audio Universal ...
watchdog_path
AppData\driverquery.exe

Signatures

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

Orcus main payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0006000000018fa6-29.dat	family_orcus

Orcurs Rat Executable 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2936-1-0x0000000000110000-0x00000000001FE000-memory.dmp	orcus
behavioral1/files/0x0006000000018fa6-29.dat	orcus
behavioral1/memory/1784-36-0x0000000000AB0000-0x0000000000B9E000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

Processes:

WindowsInput.exeWindowsInput.exeOrcus.exeOrcus.exedriverquery.exedriverquery.exe

pid	Process
2616	WindowsInput.exe
2620	WindowsInput.exe
1784	Orcus.exe
2964	Orcus.exe
3028	driverquery.exe
1080	driverquery.exe

Loads dropped DLL 3 IoCs

Processes:

a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exeOrcus.exe

pid	Process
2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
1784	Orcus.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Orcus.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Sуstem = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in System32 directory 3 IoCs

Processes:

a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exeWindowsInput.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

Processes:

a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

driverquery.exeOrcus.exe

pid	Process
1080	driverquery.exe
1080	driverquery.exe
1784	Orcus.exe
1784	Orcus.exe
1784	Orcus.exe
1080	driverquery.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1784	Orcus.exe
1080	driverquery.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1784	Orcus.exe
1080	driverquery.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1784	Orcus.exe
1080	driverquery.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1080	driverquery.exe
1784	Orcus.exe
1784	Orcus.exe
1080	driverquery.exe
1080	driverquery.exe
1784	Orcus.exe
1784	Orcus.exe
1080	driverquery.exe
1080	driverquery.exe
1784	Orcus.exe
1784	Orcus.exe
1080	driverquery.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Orcus.exedriverquery.exedriverquery.exe

description	pid	Process
Token: SeDebugPrivilege	1784	Orcus.exe
Token: SeDebugPrivilege	3028	driverquery.exe
Token: SeDebugPrivilege	1080	driverquery.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Orcus.exe

pid	Process
1784	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Orcus.exe

pid	Process
1784	Orcus.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exetaskeng.exeOrcus.exedriverquery.exe

description	pid	Process	procid_target
PID 2936 wrote to memory of 2616	2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	31
PID 2936 wrote to memory of 2616	2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	31
PID 2936 wrote to memory of 2616	2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	31
PID 2936 wrote to memory of 2616	2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	31
PID 2936 wrote to memory of 1784	2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	33
PID 2936 wrote to memory of 1784	2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	33
PID 2936 wrote to memory of 1784	2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	33
PID 2936 wrote to memory of 1784	2936	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	33
PID 2192 wrote to memory of 2964	2192	taskeng.exe	35
PID 2192 wrote to memory of 2964	2192	taskeng.exe	35
PID 2192 wrote to memory of 2964	2192	taskeng.exe	35
PID 2192 wrote to memory of 2964	2192	taskeng.exe	35
PID 1784 wrote to memory of 3028	1784	Orcus.exe	36
PID 1784 wrote to memory of 3028	1784	Orcus.exe	36
PID 1784 wrote to memory of 3028	1784	Orcus.exe	36
PID 1784 wrote to memory of 3028	1784	Orcus.exe	36
PID 3028 wrote to memory of 1080	3028	driverquery.exe	37
PID 3028 wrote to memory of 1080	3028	driverquery.exe	37
PID 3028 wrote to memory of 1080	3028	driverquery.exe	37
PID 3028 wrote to memory of 1080	3028	driverquery.exe	37

C:\Users\Admin\AppData\Local\Temp\a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
"C:\Users\Admin\AppData\Local\Temp\a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2616
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Users\Admin\AppData\Roaming\driverquery.exe
    "C:\Users\Admin\AppData\Roaming\driverquery.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 1784 /protectFile
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3028
  - - C:\Users\Admin\AppData\Roaming\driverquery.exe
      "C:\Users\Admin\AppData\Roaming\driverquery.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 1784 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1080

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2620

C:\Windows\system32\taskeng.exe
taskeng.exe {76C75F8A-7729-4F0E-96EB-237ED512D8A8} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Orcus\err_73d27aa3492b4dff9124fdf2b9be1cd4.dat

Filesize
1KB

MD5
b201308fddaf48df77c9acb526e423ed

SHA1
5d7d492db05fe46303ec203d9f58b7823ef65b9a

SHA256
13f72e429e5bd094a820fafd74cb6e871c2a0724a408150104820fce10ba2b23

SHA512
b4e2f8c4a236d310ac414759b8e2026af085fd12fa636cabf50c7414ecbd4c3242faab672c890958b4f5bbfcf7d1595448d349196013b93590fce87d565b3e36

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Program Files (x86)\Orcus\Orcus.exe

Filesize
928KB

MD5
aa3362e493dd4f9c37c77ddf6a56e730

SHA1
79855a192d6e84547123031b696115523728cfdd

SHA256
a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c

SHA512
eb62bc2757310c7bc8121f14ea2331599761ff1f1471d8f1bb0e1f0ca419c51813461b1d77223dfb440eb3c6bb568918b943a9f0099eb7edd27cd38bfa8915c0

Download Submit
\Users\Admin\AppData\Roaming\driverquery.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/1784-43-0x00000000049B0000-0x00000000049C0000-memory.dmp

Filesize
64KB

Download
memory/1784-41-0x00000000048F0000-0x0000000004908000-memory.dmp

Filesize
96KB

Download
memory/1784-40-0x00000000043E0000-0x000000000442E000-memory.dmp

Filesize
312KB

Download
memory/1784-37-0x0000000000760000-0x0000000000772000-memory.dmp

Filesize
72KB

Download
memory/1784-36-0x0000000000AB0000-0x0000000000B9E000-memory.dmp

Filesize
952KB

Download
memory/2616-19-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

Filesize
9.9MB

Download
memory/2616-16-0x000007FEF5FA3000-0x000007FEF5FA4000-memory.dmp

Filesize
4KB

Download
memory/2616-18-0x0000000000F70000-0x0000000000F7C000-memory.dmp

Filesize
48KB

Download
memory/2616-22-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

Filesize
9.9MB

Download
memory/2620-24-0x00000000003D0000-0x00000000003DC000-memory.dmp

Filesize
48KB

Download
memory/2936-7-0x00000000007C0000-0x00000000007C8000-memory.dmp

Filesize
32KB

Download
memory/2936-35-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/2936-6-0x00000000007B0000-0x00000000007B8000-memory.dmp

Filesize
32KB

Download
memory/2936-5-0x00000000006D0000-0x00000000006E2000-memory.dmp

Filesize
72KB

Download
memory/2936-4-0x0000000001F00000-0x0000000001F5C000-memory.dmp

Filesize
368KB

Download
memory/2936-3-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-2-0x0000000000460000-0x000000000046E000-memory.dmp

Filesize
56KB

Download
memory/2936-1-0x0000000000110000-0x00000000001FE000-memory.dmp

Filesize
952KB

Download
memory/3028-53-0x0000000001300000-0x0000000001308000-memory.dmp

Filesize
32KB

Download