orcus | cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1

General

Target

cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
Size

912KB
MD5

b3b92d61c47974e2b4534a6b6dadc3fd
SHA1

51543803f6c78b5369d719b604419acced0bf7cb
SHA256

cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1
SHA512

6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b
SSDEEP

12288:R0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCObCOYPOlJVzKepke+w7dG1lFlz:YKa4MROxnFLHbrrcI0AilFEvxHPcooW

Score

10^/10

orcus lois injkector discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

lois injkector

C2

92.35.5.56:20001

Mutex

1052ddefbec0498084c332483d4c94fd

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\OrcusWatchdog.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
behavioral1/files/0x0008000000016d13-26.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/1992-1-0x00000000002D0000-0x00000000003BA000-memory.dmp	orcus
behavioral1/files/0x0008000000016d13-26.dat	orcus
behavioral1/memory/2860-32-0x0000000001290000-0x000000000137A000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2884	WindowsInput.exe
2908	WindowsInput.exe
2860	Orcus.exe
2648	Orcus.exe

Loads dropped DLL 2 IoCs

pid	Process
1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.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 3 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	Orcus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	Orcus.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2860	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2860	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2860	Orcus.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2884	1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe	30
PID 1992 wrote to memory of 2884	1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe	30
PID 1992 wrote to memory of 2884	1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe	30
PID 1992 wrote to memory of 2884	1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe	30
PID 1992 wrote to memory of 2860	1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe	32
PID 1992 wrote to memory of 2860	1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe	32
PID 1992 wrote to memory of 2860	1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe	32
PID 1992 wrote to memory of 2860	1992	cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe	32
PID 2632 wrote to memory of 2648	2632	taskeng.exe	34
PID 2632 wrote to memory of 2648	2632	taskeng.exe	34
PID 2632 wrote to memory of 2648	2632	taskeng.exe	34
PID 2632 wrote to memory of 2648	2632	taskeng.exe	34

C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
"C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.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:1992
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2884
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2860

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2908

C:\Windows\system32\taskeng.exe
taskeng.exe {E5CEB343-C669-4DA8-B309-85FB66C78117} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- 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:2648

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:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

Filesize
912KB

MD5
b3b92d61c47974e2b4534a6b6dadc3fd

SHA1
51543803f6c78b5369d719b604419acced0bf7cb

SHA256
cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1

SHA512
6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b

Download Submit
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/1992-4-0x00000000044E0000-0x000000000453C000-memory.dmp

Filesize
368KB

Download
memory/1992-1-0x00000000002D0000-0x00000000003BA000-memory.dmp

Filesize
936KB

Download
memory/1992-5-0x0000000000260000-0x0000000000272000-memory.dmp

Filesize
72KB

Download
memory/1992-6-0x00000000002C0000-0x00000000002C8000-memory.dmp

Filesize
32KB

Download
memory/1992-3-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/1992-2-0x00000000001C0000-0x00000000001CE000-memory.dmp

Filesize
56KB

Download
memory/1992-33-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/1992-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/2860-32-0x0000000001290000-0x000000000137A000-memory.dmp

Filesize
936KB

Download
memory/2860-34-0x0000000000B80000-0x0000000000BCE000-memory.dmp

Filesize
312KB

Download
memory/2860-35-0x0000000001250000-0x0000000001268000-memory.dmp

Filesize
96KB

Download
memory/2860-36-0x0000000001270000-0x0000000001280000-memory.dmp

Filesize
64KB

Download
memory/2884-17-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

Filesize
9.9MB

Download
memory/2884-20-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

Filesize
9.9MB

Download
memory/2884-16-0x0000000000AC0000-0x0000000000ACC000-memory.dmp

Filesize
48KB

Download
memory/2884-14-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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