orcus | 9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e

General

Target

9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe
Size

924KB
MD5

a7fe2256e4b0da68f7b1f004576b210b
SHA1

21e736033e137d90b13c33a492095daf1bbf7ab8
SHA256

9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e
SHA512

c0b52b4de0b82302fed5f0eaa7e596f8fa656d1872516f1110ac0b29d7a96dc3afc437cd161f58c48da4f9277fb2dbcb1680f4edf0f468cf11e5e64b6ba8680e
SSDEEP

24576:SGq4MROxnFE33O3urrcI0AilFEvxHPjooz:SuMiuMurrcI0AilFEvxHP

Score

10^/10

orcus discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

194.226.169.3:1337

Mutex

616472cdd55f4e95988997971c371b81

Attributes

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

Processes:

resource	yara_rule
C:\Program Files (x86)\Orcus\Orcus.exe	family_orcus

Orcurs Rat Executable 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2792-1-0x0000000000140000-0x000000000022E000-memory.dmp	orcus
C:\Program Files (x86)\Orcus\Orcus.exe	orcus
behavioral1/memory/2616-34-0x0000000000160000-0x000000000024E000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

Processes:

WindowsInput.exeWindowsInput.exeOrcus.exeOrcus.exesvchost.exesvchost.exe

pid process

2836 WindowsInput.exe
2776 WindowsInput.exe
2616 Orcus.exe
1584 Orcus.exe
2960 svchost.exe
2300 svchost.exe

pid	process
2836	WindowsInput.exe
2776	WindowsInput.exe
2616	Orcus.exe
1584	Orcus.exe
2960	svchost.exe
2300	svchost.exe

Loads dropped DLL 3 IoCs

Processes:

9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exeOrcus.exe

pid	process
2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe
2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe
2616	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in System32 directory 3 IoCs

Processes:

9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exeWindowsInput.exe

description	ioc	process
File created	C:\Windows\SysWOW64\WindowsInput.exe	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

Processes:

9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe

description	ioc	process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.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 5 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

Processes:

9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exeOrcus.exeOrcus.exesvchost.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exeOrcus.exe

pid	process
2300	svchost.exe
2300	svchost.exe
2300	svchost.exe
2616	Orcus.exe
2616	Orcus.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe
2300	svchost.exe
2616	Orcus.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Orcus.exesvchost.exesvchost.exe

description pid process

Token: SeDebugPrivilege 2616 Orcus.exe
Token: SeDebugPrivilege 2960 svchost.exe
Token: SeDebugPrivilege 2300 svchost.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Orcus.exe

pid process

2616 Orcus.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Orcus.exe

pid process

2616 Orcus.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Orcus.exe

pid process

2616 Orcus.exe

description	pid	process
Token: SeDebugPrivilege	2616	Orcus.exe
Token: SeDebugPrivilege	2960	svchost.exe
Token: SeDebugPrivilege	2300	svchost.exe

pid	process
2616	Orcus.exe

pid	process
2616	Orcus.exe

pid	process
2616	Orcus.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exetaskeng.exeOrcus.exesvchost.exe

description	pid	process	target process
PID 2792 wrote to memory of 2836	2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe	WindowsInput.exe
PID 2792 wrote to memory of 2836	2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe	WindowsInput.exe
PID 2792 wrote to memory of 2836	2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe	WindowsInput.exe
PID 2792 wrote to memory of 2836	2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe	WindowsInput.exe
PID 2792 wrote to memory of 2616	2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe	Orcus.exe
PID 2792 wrote to memory of 2616	2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe	Orcus.exe
PID 2792 wrote to memory of 2616	2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe	Orcus.exe
PID 2792 wrote to memory of 2616	2792	9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe	Orcus.exe
PID 2116 wrote to memory of 1584	2116	taskeng.exe	Orcus.exe
PID 2116 wrote to memory of 1584	2116	taskeng.exe	Orcus.exe
PID 2116 wrote to memory of 1584	2116	taskeng.exe	Orcus.exe
PID 2116 wrote to memory of 1584	2116	taskeng.exe	Orcus.exe
PID 2616 wrote to memory of 2960	2616	Orcus.exe	svchost.exe
PID 2616 wrote to memory of 2960	2616	Orcus.exe	svchost.exe
PID 2616 wrote to memory of 2960	2616	Orcus.exe	svchost.exe
PID 2616 wrote to memory of 2960	2616	Orcus.exe	svchost.exe
PID 2960 wrote to memory of 2300	2960	svchost.exe	svchost.exe
PID 2960 wrote to memory of 2300	2960	svchost.exe	svchost.exe
PID 2960 wrote to memory of 2300	2960	svchost.exe	svchost.exe
PID 2960 wrote to memory of 2300	2960	svchost.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe
"C:\Users\Admin\AppData\Local\Temp\9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2836
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2616 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2960
  - - C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2616 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2300

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2776

C:\Windows\system32\taskeng.exe
taskeng.exe {BC831EC4-A28F-4F12-A1C5-19608FC9621F} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
924KB

MD5
a7fe2256e4b0da68f7b1f004576b210b

SHA1
21e736033e137d90b13c33a492095daf1bbf7ab8

SHA256
9d053e2bc0db1f6af6c3a840fc3004b31a4be7f8b807e703a502dce3bb8f7d3e

SHA512
c0b52b4de0b82302fed5f0eaa7e596f8fa656d1872516f1110ac0b29d7a96dc3afc437cd161f58c48da4f9277fb2dbcb1680f4edf0f468cf11e5e64b6ba8680e

Download Submit
C:\Users\Admin\AppData\Roaming\Orcus\err_616472cdd55f4e95988997971c371b81.dat

Filesize
1KB

MD5
adbd8688098abd2bac80eb9b1fe0907c

SHA1
73d2ea162093df6f7a364d3186fe2c15fe8d7669

SHA256
bc5666e54380bdaf2a15c5ed05b48278465d1ac288e2a9f579b5dc3022c4839e

SHA512
5ac5961b86f198e7643e64c5f2fda99cf304442fd7d3f26c6c1b3cc7307ccf08b33e705530a3e62db3b433def734590eb84c0887b321811f5575406e2e383c3f

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\svchost.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/2616-41-0x00000000021C0000-0x00000000021D0000-memory.dmp

Filesize
64KB

Download
memory/2616-40-0x0000000004350000-0x0000000004368000-memory.dmp

Filesize
96KB

Download
memory/2616-39-0x0000000004F50000-0x0000000004F9E000-memory.dmp

Filesize
312KB

Download
memory/2616-36-0x0000000000690000-0x00000000006A2000-memory.dmp

Filesize
72KB

Download
memory/2616-34-0x0000000000160000-0x000000000024E000-memory.dmp

Filesize
952KB

Download
memory/2776-24-0x0000000001300000-0x000000000130C000-memory.dmp

Filesize
48KB

Download
memory/2792-6-0x00000000006A0000-0x00000000006A8000-memory.dmp

Filesize
32KB

Download
memory/2792-3-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/2792-1-0x0000000000140000-0x000000000022E000-memory.dmp

Filesize
952KB

Download
memory/2792-2-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-4-0x0000000000490000-0x00000000004EC000-memory.dmp

Filesize
368KB

Download
memory/2792-7-0x00000000006B0000-0x00000000006B8000-memory.dmp

Filesize
32KB

Download
memory/2792-35-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2792-5-0x0000000000600000-0x0000000000612000-memory.dmp

Filesize
72KB

Download
memory/2836-16-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

Filesize
4KB

Download
memory/2836-19-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

Filesize
9.9MB

Download
memory/2836-18-0x0000000000D70000-0x0000000000D7C000-memory.dmp

Filesize
48KB

Download
memory/2836-22-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

Filesize
9.9MB

Download
memory/2960-52-0x0000000000950000-0x0000000000958000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads