orcus | 1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10-06-2024 01:05

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General

Target

1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe
Size

1.1MB
MD5

b03ab8a74cf59fc472a4789bf8140c7f
SHA1

90ca9a977bd349a589c539511b5ccfe2387169c0
SHA256

1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc
SHA512

d2d3e0b5e7a6f7358ace03d2ede2535ad5e5c7b68f8ce6a0112a0a2715850146f5d724f0f3824653724831bcb3c45587b6c79ad7765011cdefc85cdb0e55d321
SSDEEP

24576:91j4MROxnFE3FO3FrrcI0AilFEvxHPgWooLtW6pXcWSE+:9iMiuKFrrcI0AilFEvxHPg96VcWS

Score

10^/10

orcus in silence rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

In Silence

192.168.1.69:10134

Mutex

a7fb4837861d40698b4e9e27bd20daa7

Attributes

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

resource	yara_rule
behavioral2/files/0x0003000000022978-48.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/4004-1-0x0000000000540000-0x000000000065C000-memory.dmp	orcus
behavioral2/files/0x0003000000022978-48.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	Orcus.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	OrcusWatchdog.exe

Executes dropped EXE 6 IoCs

pid	Process
4368	WindowsInput.exe
1836	WindowsInput.exe
3748	Orcus.exe
2156	Orcus.exe
1144	OrcusWatchdog.exe
5076	OrcusWatchdog.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.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

pid	Process
3748	Orcus.exe
3748	Orcus.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
5076	OrcusWatchdog.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe
3748	Orcus.exe
5076	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3748	Orcus.exe
Token: SeDebugPrivilege	1144	OrcusWatchdog.exe
Token: SeDebugPrivilege	5076	OrcusWatchdog.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3748	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3748	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3748	Orcus.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 4368	4004	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe	85
PID 4004 wrote to memory of 4368	4004	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe	85
PID 4004 wrote to memory of 3748	4004	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe	89
PID 4004 wrote to memory of 3748	4004	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe	89
PID 4004 wrote to memory of 3748	4004	1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe	89
PID 3748 wrote to memory of 1144	3748	Orcus.exe	92
PID 3748 wrote to memory of 1144	3748	Orcus.exe	92
PID 3748 wrote to memory of 1144	3748	Orcus.exe	92
PID 1144 wrote to memory of 5076	1144	OrcusWatchdog.exe	93
PID 1144 wrote to memory of 5076	1144	OrcusWatchdog.exe	93
PID 1144 wrote to memory of 5076	1144	OrcusWatchdog.exe	93

C:\Users\Admin\AppData\Local\Temp\1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe
"C:\Users\Admin\AppData\Local\Temp\1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:4368
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.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:3748
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 3748 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1144
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 3748 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5076

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:1836

C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
PID:2156

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1.1MB

MD5
b03ab8a74cf59fc472a4789bf8140c7f

SHA1
90ca9a977bd349a589c539511b5ccfe2387169c0

SHA256
1bc223aed315349c64f11e2c1b82c51ac13b270919a48bf8e799ae1bd45b17cc

SHA512
d2d3e0b5e7a6f7358ace03d2ede2535ad5e5c7b68f8ce6a0112a0a2715850146f5d724f0f3824653724831bcb3c45587b6c79ad7765011cdefc85cdb0e55d321

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

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\Orcus\err_a7fb4837861d40698b4e9e27bd20daa7.dat

Filesize
1KB

MD5
0d9c78e5754e200a2e49407dc02cf2eb

SHA1
545c4ddb1e7d3fa4d52ed897f25c4479a18e04da

SHA256
e1bb695a87be59188a5962cdffa21dba4b1de83250e88d16f5e678973e6d372e

SHA512
5d253162587ae32d68ad6f0b7658d31341c58dd9fd7bbad709678d8408c2711bb1509e0d2324985947dd3e774fb769c2e076c6e49335e76108dda871716fa504

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/1144-81-0x00000000009E0000-0x00000000009E8000-memory.dmp

Filesize
32KB

Download
memory/1836-41-0x00007FFB81820000-0x00007FFB822E1000-memory.dmp

Filesize
10.8MB

Download
memory/1836-42-0x000000001A860000-0x000000001A96A000-memory.dmp

Filesize
1.0MB

Download
memory/1836-86-0x00007FFB81820000-0x00007FFB822E1000-memory.dmp

Filesize
10.8MB

Download
memory/3748-66-0x0000000006AD0000-0x0000000006AE0000-memory.dmp

Filesize
64KB

Download
memory/3748-61-0x0000000006090000-0x00000000060DE000-memory.dmp

Filesize
312KB

Download
memory/3748-62-0x0000000006720000-0x0000000006738000-memory.dmp

Filesize
96KB

Download
memory/3748-63-0x0000000006900000-0x0000000006918000-memory.dmp

Filesize
96KB

Download
memory/3748-65-0x0000000006C90000-0x0000000006E52000-memory.dmp

Filesize
1.8MB

Download
memory/3748-67-0x0000000006C30000-0x0000000006C3A000-memory.dmp

Filesize
40KB

Download
memory/4004-10-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/4004-8-0x0000000005160000-0x0000000005168000-memory.dmp

Filesize
32KB

Download
memory/4004-15-0x0000000005FC0000-0x00000000060CA000-memory.dmp

Filesize
1.0MB

Download
memory/4004-1-0x0000000000540000-0x000000000065C000-memory.dmp

Filesize
1.1MB

Download
memory/4004-2-0x0000000004FD0000-0x0000000004FDE000-memory.dmp

Filesize
56KB

Download
memory/4004-3-0x0000000004FE0000-0x000000000503C000-memory.dmp

Filesize
368KB

Download
memory/4004-4-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/4004-5-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/4004-6-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/4004-14-0x0000000005E50000-0x0000000005E9C000-memory.dmp

Filesize
304KB

Download
memory/4004-13-0x0000000005E10000-0x0000000005E4C000-memory.dmp

Filesize
240KB

Download
memory/4004-12-0x0000000005DB0000-0x0000000005DC2000-memory.dmp

Filesize
72KB

Download
memory/4004-58-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/4004-11-0x00000000063B0000-0x00000000069C8000-memory.dmp

Filesize
6.1MB

Download
memory/4004-0-0x0000000074FAE000-0x0000000074FAF000-memory.dmp

Filesize
4KB

Download
memory/4004-9-0x0000000005590000-0x0000000005598000-memory.dmp

Filesize
32KB

Download
memory/4004-17-0x0000000006350000-0x0000000006372000-memory.dmp

Filesize
136KB

Download
memory/4004-7-0x0000000005150000-0x0000000005162000-memory.dmp

Filesize
72KB

Download
memory/4368-39-0x00007FFB81820000-0x00007FFB822E1000-memory.dmp

Filesize
10.8MB

Download
memory/4368-35-0x00007FFB81820000-0x00007FFB822E1000-memory.dmp

Filesize
10.8MB

Download
memory/4368-34-0x0000000002330000-0x000000000236C000-memory.dmp

Filesize
240KB

Download
memory/4368-33-0x00000000022D0000-0x00000000022E2000-memory.dmp

Filesize
72KB

Download
memory/4368-32-0x0000000000110000-0x000000000011C000-memory.dmp

Filesize
48KB

Download
memory/4368-31-0x00007FFB81823000-0x00007FFB81825000-memory.dmp

Filesize
8KB

Download