orcus | 748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05/02/2025, 01:07

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General

Target

748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe
Size

924KB
MD5

65b8b0a4be160758714c0a5844f720b7
SHA1

9221f71daa2045ce35bc615a2595852d41984fa6
SHA256

748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e
SHA512

24bb5964acf9c000ead37f1329410d2e26fb0da8054ca782a104404aea199c4bbaf213b08e6f4906d560558ee6d49ec11b6df9fa0c51acfd057d6db364071a27
SSDEEP

24576:Nzra4MROxnFE3KrXperZlI0AilFEvxHiHj:Nz1MiuQperZlI0AilFEvxHi

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

loss-justin.gl.at.ply.gg:48331

Mutex

27edce0e1a134e88b505ddd0fd2d2ad7

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programfiles%\NotePad\NotePad.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
RobloxCrashHandler_19384
watchdog_path
Temp\RobloxCrash.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/0x000900000001756e-43.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x000900000001756e-43.dat	orcus
behavioral1/memory/1960-49-0x0000000000BC0000-0x0000000000CAE000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2952	WindowsInput.exe
2868	WindowsInput.exe
1960	NotePad.exe
1644	NotePad.exe
1660	RobloxCrash.exe
2916	RobloxCrash.exe

Loads dropped DLL 1 IoCs

pid	Process
1660	RobloxCrash.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\NotePad\err_27edce0e1a134e88b505ddd0fd2d2ad7.dat	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe
File opened for modification	C:\Windows\System32\NotePad\err_27edce0e1a134e88b505ddd0fd2d2ad7.dat	NotePad.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\NotePad\NotePad.exe	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe
File created	C:\Program Files\NotePad\NotePad.exe.config	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe
File created	C:\Program Files\NotePad\NotePad.exe	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.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 2 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	RobloxCrash.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RobloxCrash.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1960	NotePad.exe
1960	NotePad.exe
1960	NotePad.exe
2916	RobloxCrash.exe
2916	RobloxCrash.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe
1960	NotePad.exe
2916	RobloxCrash.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	NotePad.exe
Token: SeDebugPrivilege	1660	RobloxCrash.exe
Token: SeDebugPrivilege	2916	RobloxCrash.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1960	NotePad.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1960	NotePad.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1960	NotePad.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2616	2200	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe	30
PID 2200 wrote to memory of 2616	2200	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe	30
PID 2200 wrote to memory of 2616	2200	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe	30
PID 2616 wrote to memory of 2584	2616	csc.exe	32
PID 2616 wrote to memory of 2584	2616	csc.exe	32
PID 2616 wrote to memory of 2584	2616	csc.exe	32
PID 2200 wrote to memory of 2952	2200	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe	35
PID 2200 wrote to memory of 2952	2200	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe	35
PID 2200 wrote to memory of 2952	2200	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe	35
PID 2200 wrote to memory of 1960	2200	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe	37
PID 2200 wrote to memory of 1960	2200	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe	37
PID 2200 wrote to memory of 1960	2200	748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe	37
PID 1948 wrote to memory of 1644	1948	taskeng.exe	39
PID 1948 wrote to memory of 1644	1948	taskeng.exe	39
PID 1948 wrote to memory of 1644	1948	taskeng.exe	39
PID 1960 wrote to memory of 1660	1960	NotePad.exe	40
PID 1960 wrote to memory of 1660	1960	NotePad.exe	40
PID 1960 wrote to memory of 1660	1960	NotePad.exe	40
PID 1960 wrote to memory of 1660	1960	NotePad.exe	40
PID 1660 wrote to memory of 2916	1660	RobloxCrash.exe	41
PID 1660 wrote to memory of 2916	1660	RobloxCrash.exe	41
PID 1660 wrote to memory of 2916	1660	RobloxCrash.exe	41
PID 1660 wrote to memory of 2916	1660	RobloxCrash.exe	41

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe
"C:\Users\Admin\AppData\Local\Temp\748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\w1_ojnmq.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD894.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCD893.tmp"
    3⤵
    PID:2584
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2952
- C:\Program Files\NotePad\NotePad.exe
  "C:\Program Files\NotePad\NotePad.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Users\Admin\AppData\Local\Temp\RobloxCrash.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxCrash.exe" /launchSelfAndExit "C:\Program Files\NotePad\NotePad.exe" 1960 /protectFile
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1660
  - - C:\Users\Admin\AppData\Local\Temp\RobloxCrash.exe
      "C:\Users\Admin\AppData\Local\Temp\RobloxCrash.exe" /watchProcess "C:\Program Files\NotePad\NotePad.exe" 1960 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2916

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2868

C:\Windows\system32\taskeng.exe
taskeng.exe {1D632F33-E3FC-45F2-94D3-46B7F7E16141} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Program Files\NotePad\NotePad.exe
  "C:\Program Files\NotePad\NotePad.exe"
  2⤵
  - Executes dropped EXE
  PID:1644

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

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\NotePad\NotePad.exe

Filesize
924KB

MD5
65b8b0a4be160758714c0a5844f720b7

SHA1
9221f71daa2045ce35bc615a2595852d41984fa6

SHA256
748f6be55670e72814b65bbb4a99ac927b747191624b899e8aec9991e6c7508e

SHA512
24bb5964acf9c000ead37f1329410d2e26fb0da8054ca782a104404aea199c4bbaf213b08e6f4906d560558ee6d49ec11b6df9fa0c51acfd057d6db364071a27

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESD894.tmp

Filesize
1KB

MD5
0ab7dbfae281926f88b9aebf348d86b7

SHA1
a3c091062b0fe44755f8e280b2031dd8d1484572

SHA256
867454b31e6606b40741ba6fed8c9f83dfb0b854080f32d5f5f1883820e58600

SHA512
b6f79734969dc9b93a2cfba73bb2189255c7dba810f99b919299f43b2446c5918fb2e7a887071dd3b63965f476035e46bd19f0dce4feca2204b5ed9be74cfae0

Download Submit
C:\Users\Admin\AppData\Local\Temp\RobloxCrash.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Local\Temp\w1_ojnmq.dll

Filesize
76KB

MD5
081ddeff73969ee145be0bff82aa601b

SHA1
12851a9121da51a404d7625e4aa01005ebca0fd7

SHA256
44a10c99fdd79111798fc7f1e7bc92debde34294a2a0daa778744608cedc3895

SHA512
e3e40c72dba3c57adad43cc9144134849d566b4039e973a34ac700dc9c452965997d258babf7dbf2eab55eb287ccbccfa38c5532a3e520e3b733a8e1257cd0f7

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
C:\Windows\System32\NotePad\err_27edce0e1a134e88b505ddd0fd2d2ad7.dat

Filesize
1KB

MD5
3de9c4f14062e6452f3da3f247086903

SHA1
e7f649b6b602a7f418b3cbd1b96392f5b7d8e674

SHA256
e107097a8aca8ea2be3ad63e14b646a171c3b593c5882e20138b58e722ae41f8

SHA512
b25460c61cd49f0fdd514ed15e633459cb7798ac8b7dddfe549f656538b29b83f9a67cb3860737185bd2773e0f5dccbb475d74df346cb3d5f714e08eba5e84c0

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSCD893.tmp

Filesize
676B

MD5
a7bc1ce556520427d4ac0eabb513131f

SHA1
96c4e532a9400c2964e85912e841f63c2169c40a

SHA256
f01af3930b6e79c85e3bddc35bf7bd086d6a2897df816d45c7b5939548b76715

SHA512
1061fa37be36298597348b2b8f3715b467ccd4a53742ac4aeb455515d2b2735fd5eb58f34a50e02aee7fe790838b4a51ac3eb3e179dd07ee3f4e5b1c882748d0

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\w1_ojnmq.0.cs

Filesize
208KB

MD5
6011503497b1b9250a05debf9690e52c

SHA1
897aea61e9bffc82d7031f1b3da12fb83efc6d82

SHA256
08f42b8d57bb61bc8f9628c8a80953b06ca4149d50108083fca6dc26bdd49434

SHA512
604c33e82e8b5bb5c54389c2899c81e5482a06e69db08268173a5b4574327ee5de656d312011d07e50a2e398a4c9b0cd79029013f76e05e18cf67ce5a916ffd9

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\w1_ojnmq.cmdline

Filesize
349B

MD5
a1459ec06a67b9c13ecb67d7f1658c99

SHA1
aa850227edf977be42b9749ebce22212be0f884a

SHA256
1049edefb6346606320251ab9cfc10ffaf32c2a07f55744a57ac5bbe4d46b9db

SHA512
811f9cc81592685e644228c1234895d65416a56d361066d78f28ea4b6ea36bc194b076e50d46f327d909c44585f31173b1ed07aec18e949f5fca7031c9cae10c

Download Submit
memory/1660-66-0x0000000000F80000-0x0000000000F88000-memory.dmp

Filesize
32KB

Download
memory/1960-49-0x0000000000BC0000-0x0000000000CAE000-memory.dmp

Filesize
952KB

Download
memory/1960-54-0x000000001A700000-0x000000001A74E000-memory.dmp

Filesize
312KB

Download
memory/1960-57-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

Filesize
64KB

Download
memory/1960-55-0x0000000000B90000-0x0000000000BA8000-memory.dmp

Filesize
96KB

Download
memory/2200-3-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-0-0x000007FEF60DE000-0x000007FEF60DF000-memory.dmp

Filesize
4KB

Download
memory/2200-2-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2200-31-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-1-0x00000000023B0000-0x000000000240C000-memory.dmp

Filesize
368KB

Download
memory/2200-41-0x000007FEF60DE000-0x000007FEF60DF000-memory.dmp

Filesize
4KB

Download
memory/2200-4-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-46-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-47-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-18-0x000000001AEC0000-0x000000001AED6000-memory.dmp

Filesize
88KB

Download
memory/2200-50-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-21-0x0000000000670000-0x0000000000678000-memory.dmp

Filesize
32KB

Download
memory/2200-20-0x0000000000430000-0x0000000000442000-memory.dmp

Filesize
72KB

Download
memory/2200-23-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-22-0x0000000000680000-0x0000000000688000-memory.dmp

Filesize
32KB

Download
memory/2616-51-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2616-13-0x000007FEF5E20000-0x000007FEF67BD000-memory.dmp

Filesize
9.6MB

Download
memory/2952-33-0x0000000001010000-0x000000000101C000-memory.dmp

Filesize
48KB

Download