orcus | a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-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
behavioral2/files/0x0007000000023513-47.dat	family_orcus

Orcurs Rat Executable 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3928-1-0x0000000000E60000-0x0000000000F4E000-memory.dmp	orcus
behavioral2/files/0x0007000000023513-47.dat	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

Processes:

Orcus.exedriverquery.exea0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	Orcus.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	driverquery.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe

Executes dropped EXE 6 IoCs

Processes:

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

pid	Process
3904	WindowsInput.exe
4004	WindowsInput.exe
1692	Orcus.exe
4604	Orcus.exe
4304	driverquery.exe
4792	driverquery.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-1-5-21-2636447293-1148739154-93880854-1000\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 created	C:\Program Files (x86)\Orcus\Orcus.exe	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
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

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:

Orcus.exedriverquery.exe

pid	Process
1692	Orcus.exe
1692	Orcus.exe
1692	Orcus.exe
4792	driverquery.exe
4792	driverquery.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe
1692	Orcus.exe
4792	driverquery.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Orcus.exedriverquery.exedriverquery.exe

description	pid	Process
Token: SeDebugPrivilege	1692	Orcus.exe
Token: SeDebugPrivilege	4304	driverquery.exe
Token: SeDebugPrivilege	4792	driverquery.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Orcus.exe

pid	Process
1692	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Orcus.exe

pid	Process
1692	Orcus.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exeOrcus.exedriverquery.exe

description	pid	Process	procid_target
PID 3928 wrote to memory of 3904	3928	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	88
PID 3928 wrote to memory of 3904	3928	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	88
PID 3928 wrote to memory of 1692	3928	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	92
PID 3928 wrote to memory of 1692	3928	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	92
PID 3928 wrote to memory of 1692	3928	a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe	92
PID 1692 wrote to memory of 4304	1692	Orcus.exe	95
PID 1692 wrote to memory of 4304	1692	Orcus.exe	95
PID 1692 wrote to memory of 4304	1692	Orcus.exe	95
PID 4304 wrote to memory of 4792	4304	driverquery.exe	96
PID 4304 wrote to memory of 4792	4304	driverquery.exe	96
PID 4304 wrote to memory of 4792	4304	driverquery.exe	96

C:\Users\Admin\AppData\Local\Temp\a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe
"C:\Users\Admin\AppData\Local\Temp\a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:3904
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - 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:1692
- - C:\Users\Admin\AppData\Roaming\driverquery.exe
    "C:\Users\Admin\AppData\Roaming\driverquery.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 1692 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4304
  - - C:\Users\Admin\AppData\Roaming\driverquery.exe
      "C:\Users\Admin\AppData\Roaming\driverquery.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 1692 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4792

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:4004

C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
PID:4604

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Orcus\Orcus.exe

Filesize
928KB

MD5
aa3362e493dd4f9c37c77ddf6a56e730

SHA1
79855a192d6e84547123031b696115523728cfdd

SHA256
a0a90308be2ade175d64360989b25ae96453fd9f15fc0edbf2745fd124f9418c

SHA512
eb62bc2757310c7bc8121f14ea2331599761ff1f1471d8f1bb0e1f0ca419c51813461b1d77223dfb440eb3c6bb568918b943a9f0099eb7edd27cd38bfa8915c0

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

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

Filesize
1KB

MD5
d7c6d5d4b15f63ce8dbc963a92f078ea

SHA1
0693f5f335b2385a15590b62ab77c1fb8157f111

SHA256
861addd2166aeea8df070be00eb207e80c0c1e58ee47255c4d4927f01865753b

SHA512
dd6939e3f2043209b7d0e566cd263d659ed6ded5fb931948130e56cb8d4ba38897318974f39a68fe171d70aa913fc471f1ea8d6b168f2c2b0ba6adfbd9d3fa71

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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
memory/1692-66-0x0000000007490000-0x000000000749A000-memory.dmp

Filesize
40KB

Download
memory/1692-65-0x0000000007150000-0x0000000007160000-memory.dmp

Filesize
64KB

Download
memory/1692-63-0x0000000006FA0000-0x0000000006FB8000-memory.dmp

Filesize
96KB

Download
memory/1692-62-0x0000000006DC0000-0x0000000006DD8000-memory.dmp

Filesize
96KB

Download
memory/1692-61-0x0000000006D50000-0x0000000006D9E000-memory.dmp

Filesize
312KB

Download
memory/1692-58-0x00000000053B0000-0x00000000053C2000-memory.dmp

Filesize
72KB

Download
memory/3904-31-0x0000000000920000-0x000000000092C000-memory.dmp

Filesize
48KB

Download
memory/3904-32-0x00007FFCD2A63000-0x00007FFCD2A65000-memory.dmp

Filesize
8KB

Download
memory/3904-85-0x00007FFCD2A60000-0x00007FFCD3521000-memory.dmp

Filesize
10.8MB

Download
memory/3904-38-0x00007FFCD2A60000-0x00007FFCD3521000-memory.dmp

Filesize
10.8MB

Download
memory/3904-34-0x0000000002B20000-0x0000000002B5C000-memory.dmp

Filesize
240KB

Download
memory/3904-33-0x0000000000FF0000-0x0000000001002000-memory.dmp

Filesize
72KB

Download
memory/3928-6-0x0000000005AE0000-0x0000000005B72000-memory.dmp

Filesize
584KB

Download
memory/3928-3-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/3928-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/3928-12-0x0000000006690000-0x00000000066A2000-memory.dmp

Filesize
72KB

Download
memory/3928-17-0x0000000007280000-0x00000000072A2000-memory.dmp

Filesize
136KB

Download
memory/3928-15-0x00000000068B0000-0x00000000069BA000-memory.dmp

Filesize
1.0MB

Download
memory/3928-14-0x0000000006730000-0x000000000677C000-memory.dmp

Filesize
304KB

Download
memory/3928-1-0x0000000000E60000-0x0000000000F4E000-memory.dmp

Filesize
952KB

Download
memory/3928-10-0x0000000006010000-0x0000000006076000-memory.dmp

Filesize
408KB

Download
memory/3928-57-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/3928-9-0x0000000005F80000-0x0000000005F88000-memory.dmp

Filesize
32KB

Download
memory/3928-8-0x0000000005AC0000-0x0000000005AC8000-memory.dmp

Filesize
32KB

Download
memory/3928-7-0x0000000005AB0000-0x0000000005AC2000-memory.dmp

Filesize
72KB

Download
memory/3928-13-0x00000000066F0000-0x000000000672C000-memory.dmp

Filesize
240KB

Download
memory/3928-5-0x0000000006090000-0x0000000006634000-memory.dmp

Filesize
5.6MB

Download
memory/3928-4-0x0000000005900000-0x000000000595C000-memory.dmp

Filesize
368KB

Download
memory/3928-11-0x0000000006C60000-0x0000000007278000-memory.dmp

Filesize
6.1MB

Download
memory/3928-2-0x0000000003240000-0x000000000324E000-memory.dmp

Filesize
56KB

Download
memory/4004-41-0x000000001ADE0000-0x000000001AEEA000-memory.dmp

Filesize
1.0MB

Download
memory/4004-40-0x00007FFCD2A60000-0x00007FFCD3521000-memory.dmp

Filesize
10.8MB

Download
memory/4004-86-0x00007FFCD2A60000-0x00007FFCD3521000-memory.dmp

Filesize
10.8MB

Download
memory/4304-80-0x0000000000040000-0x0000000000048000-memory.dmp

Filesize
32KB

Download