orcus | 5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 01:02

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General

Target

5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe
Size

926KB
MD5

5d7cfb4bf6a987ed92c77e51f58fde41
SHA1

d75b0c92a09e5fe73df75d1850a4f625a257162f
SHA256

5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b
SHA512

531c5fef50e4aa2220ac9bc0bda328a3348f01fce89c1fe7fb700cd01422f2b3e61335d7b4a1e54ca8abfeb23eb4765491f61aa5af52ff63ed5b19ecec788073
SSDEEP

24576:vIY4MROxnFE38O3VrrcI0AilFEvxHPToox:vaMiuZVrrcI0AilFEvxHP

Score

10^/10

orcus discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

tcp.cloudpub.ru:63094

Mutex

f809db9e18254c08a79e8950f3742790

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
Temp\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/0x0007000000017488-31.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2212-1-0x00000000000B0000-0x000000000019E000-memory.dmp	orcus
behavioral1/files/0x0007000000017488-31.dat	orcus
behavioral1/memory/2892-36-0x0000000000E80000-0x0000000000F6E000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2052	WindowsInput.exe
2612	WindowsInput.exe
2892	Orcus.exe
2292	Orcus.exe
2608	OrcusWatchdog.exe
2640	OrcusWatchdog.exe

Loads dropped DLL 4 IoCs

pid	Process
2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe
2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe
2892	Orcus.exe
2608	OrcusWatchdog.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-1-5-21-2872745919-2748461613-2989606286-1000\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	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.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	OrcusWatchdog.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OrcusWatchdog.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2640	OrcusWatchdog.exe
2640	OrcusWatchdog.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2892	Orcus.exe
2892	Orcus.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe
2640	OrcusWatchdog.exe
2640	OrcusWatchdog.exe
2892	Orcus.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	Orcus.exe
Token: SeDebugPrivilege	2608	OrcusWatchdog.exe
Token: SeDebugPrivilege	2640	OrcusWatchdog.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2892	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2892	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2892	Orcus.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2052	2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe	31
PID 2212 wrote to memory of 2052	2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe	31
PID 2212 wrote to memory of 2052	2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe	31
PID 2212 wrote to memory of 2052	2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe	31
PID 2212 wrote to memory of 2892	2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe	33
PID 2212 wrote to memory of 2892	2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe	33
PID 2212 wrote to memory of 2892	2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe	33
PID 2212 wrote to memory of 2892	2212	5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe	33
PID 2772 wrote to memory of 2292	2772	taskeng.exe	35
PID 2772 wrote to memory of 2292	2772	taskeng.exe	35
PID 2772 wrote to memory of 2292	2772	taskeng.exe	35
PID 2772 wrote to memory of 2292	2772	taskeng.exe	35
PID 2892 wrote to memory of 2608	2892	Orcus.exe	36
PID 2892 wrote to memory of 2608	2892	Orcus.exe	36
PID 2892 wrote to memory of 2608	2892	Orcus.exe	36
PID 2892 wrote to memory of 2608	2892	Orcus.exe	36
PID 2608 wrote to memory of 2640	2608	OrcusWatchdog.exe	37
PID 2608 wrote to memory of 2640	2608	OrcusWatchdog.exe	37
PID 2608 wrote to memory of 2640	2608	OrcusWatchdog.exe	37
PID 2608 wrote to memory of 2640	2608	OrcusWatchdog.exe	37

C:\Users\Admin\AppData\Local\Temp\5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.exe
"C:\Users\Admin\AppData\Local\Temp\5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b.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:2212
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2052
- 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:2892
- - C:\Users\Admin\AppData\Local\Temp\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Local\Temp\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2892 /protectFile
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2608
  - - C:\Users\Admin\AppData\Local\Temp\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Local\Temp\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2892 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2640

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2612

C:\Windows\system32\taskeng.exe
taskeng.exe {7342E544-5107-4DE6-9B2D-13AAC4C1B5CE} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2772
- 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:2292

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
926KB

MD5
5d7cfb4bf6a987ed92c77e51f58fde41

SHA1
d75b0c92a09e5fe73df75d1850a4f625a257162f

SHA256
5b618ba9e3a32f7980196311f12d2d283d9512d1e1a83d9c207d23acbaad018b

SHA512
531c5fef50e4aa2220ac9bc0bda328a3348f01fce89c1fe7fb700cd01422f2b3e61335d7b4a1e54ca8abfeb23eb4765491f61aa5af52ff63ed5b19ecec788073

Download Submit
C:\Users\Admin\AppData\Roaming\Orcus\err_f809db9e18254c08a79e8950f3742790.dat

Filesize
1KB

MD5
b2bf3d129445e5e29b47683c91fec12d

SHA1
014c882d0ec0d5b65959bf0ae996231934e0d9e6

SHA256
328a7e1e753587586c5dcea0220aeacfa301745bca24d3d7e00a456fd822c1d2

SHA512
586ff5343bcefec0dee16a05ee2c7da94a981c6b3520a11caf4252b86df9f9a3096223f07a096ecee78c74624cf730493af1b1811d268782c064ebc13d3365c5

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Local\Temp\OrcusWatchdog.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/2052-22-0x000007FEF61C0000-0x000007FEF6BAC000-memory.dmp

Filesize
9.9MB

Download
memory/2052-19-0x000007FEF61C0000-0x000007FEF6BAC000-memory.dmp

Filesize
9.9MB

Download
memory/2052-18-0x0000000000330000-0x000000000033C000-memory.dmp

Filesize
48KB

Download
memory/2052-16-0x000007FEF61C3000-0x000007FEF61C4000-memory.dmp

Filesize
4KB

Download
memory/2212-6-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download
memory/2212-2-0x0000000000360000-0x000000000036E000-memory.dmp

Filesize
56KB

Download
memory/2212-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/2212-5-0x00000000003C0000-0x00000000003D2000-memory.dmp

Filesize
72KB

Download
memory/2212-4-0x0000000001F70000-0x0000000001FCC000-memory.dmp

Filesize
368KB

Download
memory/2212-1-0x00000000000B0000-0x000000000019E000-memory.dmp

Filesize
952KB

Download
memory/2212-3-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2212-7-0x00000000005E0000-0x00000000005E8000-memory.dmp

Filesize
32KB

Download
memory/2212-37-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-54-0x0000000000020000-0x0000000000028000-memory.dmp

Filesize
32KB

Download
memory/2612-24-0x0000000000B10000-0x0000000000B1C000-memory.dmp

Filesize
48KB

Download
memory/2892-38-0x00000000009D0000-0x00000000009E2000-memory.dmp

Filesize
72KB

Download
memory/2892-36-0x0000000000E80000-0x0000000000F6E000-memory.dmp

Filesize
952KB

Download
memory/2892-41-0x0000000004370000-0x00000000043BE000-memory.dmp

Filesize
312KB

Download
memory/2892-42-0x0000000000E50000-0x0000000000E68000-memory.dmp

Filesize
96KB

Download
memory/2892-43-0x00000000048C0000-0x00000000048D0000-memory.dmp

Filesize
64KB

Download