orcus | 3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-06-2024 01:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe
Size

921KB
MD5

5dc7ba557d1063adef1eb6ddd8e0fd7e
SHA1

0e5a33a81db4709ddfc591c8b2dc5ec1958fc0ca
SHA256

3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d
SHA512

2b3da40b9684d6e1aac29967ddaa1a300b59afd4b9b59b74e094c66d20cae979c9a9780c202d4e3ad96270dd06820df500b5bfb798129dbbb8cb0254f9360a56
SSDEEP

24576:5ey4MROxnFt3/YrrcI0AilFEvxHPUooL:5aMijgrrcI0AilFEvxHP

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

te1.tunnelin.com:58172

Mutex

db6d3ae780044a5887936785b42c15ad

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programdata%\Microsoft Security\ntoskrnl.exe
reconnect_delay
10000
registry_keyname
Windows Defender
taskscheduler_taskname
Microsoft_Security
watchdog_path
Temp\5BE731319AC3C9A3FBF49A732595E665F.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
behavioral1/files/0x0007000000016cfe-29.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/1936-1-0x0000000000A20000-0x0000000000B0C000-memory.dmp	orcus
behavioral1/files/0x0007000000016cfe-29.dat	orcus
behavioral1/memory/2504-35-0x0000000000010000-0x00000000000FC000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2476	WindowsInput.exe
2588	WindowsInput.exe
2504	ntoskrnl.exe
2132	ntoskrnl.exe
1664	5BE731319AC3C9A3FBF49A732595E665F.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe

Loads dropped DLL 4 IoCs

pid	Process
1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe
1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe
2504	ntoskrnl.exe
1664	5BE731319AC3C9A3FBF49A732595E665F.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.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
2504	ntoskrnl.exe
2504	ntoskrnl.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe
2504	ntoskrnl.exe
1780	5BE731319AC3C9A3FBF49A732595E665F.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	ntoskrnl.exe
Token: SeDebugPrivilege	1664	5BE731319AC3C9A3FBF49A732595E665F.exe
Token: SeDebugPrivilege	1780	5BE731319AC3C9A3FBF49A732595E665F.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2504	ntoskrnl.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2476	1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe	28
PID 1936 wrote to memory of 2476	1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe	28
PID 1936 wrote to memory of 2476	1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe	28
PID 1936 wrote to memory of 2476	1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe	28
PID 1936 wrote to memory of 2504	1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe	30
PID 1936 wrote to memory of 2504	1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe	30
PID 1936 wrote to memory of 2504	1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe	30
PID 1936 wrote to memory of 2504	1936	3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe	30
PID 2440 wrote to memory of 2132	2440	taskeng.exe	32
PID 2440 wrote to memory of 2132	2440	taskeng.exe	32
PID 2440 wrote to memory of 2132	2440	taskeng.exe	32
PID 2440 wrote to memory of 2132	2440	taskeng.exe	32
PID 2504 wrote to memory of 1664	2504	ntoskrnl.exe	33
PID 2504 wrote to memory of 1664	2504	ntoskrnl.exe	33
PID 2504 wrote to memory of 1664	2504	ntoskrnl.exe	33
PID 2504 wrote to memory of 1664	2504	ntoskrnl.exe	33
PID 1664 wrote to memory of 1780	1664	5BE731319AC3C9A3FBF49A732595E665F.exe	34
PID 1664 wrote to memory of 1780	1664	5BE731319AC3C9A3FBF49A732595E665F.exe	34
PID 1664 wrote to memory of 1780	1664	5BE731319AC3C9A3FBF49A732595E665F.exe	34
PID 1664 wrote to memory of 1780	1664	5BE731319AC3C9A3FBF49A732595E665F.exe	34

C:\Users\Admin\AppData\Local\Temp\3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe
"C:\Users\Admin\AppData\Local\Temp\3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2476
- C:\ProgramData\Microsoft Security\ntoskrnl.exe
  "C:\ProgramData\Microsoft Security\ntoskrnl.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Users\Admin\AppData\Local\Temp\5BE731319AC3C9A3FBF49A732595E665F.exe
    "C:\Users\Admin\AppData\Local\Temp\5BE731319AC3C9A3FBF49A732595E665F.exe" /launchSelfAndExit "C:\ProgramData\Microsoft Security\ntoskrnl.exe" 2504 /protectFile
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1664
  - - C:\Users\Admin\AppData\Local\Temp\5BE731319AC3C9A3FBF49A732595E665F.exe
      "C:\Users\Admin\AppData\Local\Temp\5BE731319AC3C9A3FBF49A732595E665F.exe" /watchProcess "C:\ProgramData\Microsoft Security\ntoskrnl.exe" 2504 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1780

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2588

C:\Windows\system32\taskeng.exe
taskeng.exe {DD3F253E-0C65-4E8C-9380-77DFA734E771} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\ProgramData\Microsoft Security\ntoskrnl.exe
  "C:\ProgramData\Microsoft Security\ntoskrnl.exe"
  2⤵
  - Executes dropped EXE
  PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Microsoft Security\ntoskrnl.exe

Filesize
921KB

MD5
5dc7ba557d1063adef1eb6ddd8e0fd7e

SHA1
0e5a33a81db4709ddfc591c8b2dc5ec1958fc0ca

SHA256
3570ab4d0875c600215d15ba9d9e439c5a61b16fb40b50c0202097dbca58ee5d

SHA512
2b3da40b9684d6e1aac29967ddaa1a300b59afd4b9b59b74e094c66d20cae979c9a9780c202d4e3ad96270dd06820df500b5bfb798129dbbb8cb0254f9360a56

Download Submit
C:\Users\Admin\AppData\Local\Temp\5BE731319AC3C9A3FBF49A732595E665F.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/1664-49-0x0000000001350000-0x0000000001358000-memory.dmp

Filesize
32KB

Download
memory/1936-32-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-3-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-5-0x00000000005C0000-0x00000000005D2000-memory.dmp

Filesize
72KB

Download
memory/1936-4-0x00000000004F0000-0x000000000054C000-memory.dmp

Filesize
368KB

Download
memory/1936-1-0x0000000000A20000-0x0000000000B0C000-memory.dmp

Filesize
944KB

Download
memory/1936-6-0x00000000005E0000-0x00000000005E8000-memory.dmp

Filesize
32KB

Download
memory/1936-2-0x0000000000200000-0x000000000020E000-memory.dmp

Filesize
56KB

Download
memory/1936-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2476-16-0x0000000000170000-0x000000000017C000-memory.dmp

Filesize
48KB

Download
memory/2476-20-0x000007FEF5A10000-0x000007FEF63FC000-memory.dmp

Filesize
9.9MB

Download
memory/2476-17-0x000007FEF5A10000-0x000007FEF63FC000-memory.dmp

Filesize
9.9MB

Download
memory/2476-14-0x000007FEF5A13000-0x000007FEF5A14000-memory.dmp

Filesize
4KB

Download
memory/2504-35-0x0000000000010000-0x00000000000FC000-memory.dmp

Filesize
944KB

Download
memory/2504-36-0x0000000004470000-0x00000000044BE000-memory.dmp

Filesize
312KB

Download
memory/2504-37-0x0000000001FF0000-0x0000000002008000-memory.dmp

Filesize
96KB

Download
memory/2504-38-0x0000000002020000-0x0000000002030000-memory.dmp

Filesize
64KB

Download
memory/2588-22-0x0000000000D30000-0x0000000000D3C000-memory.dmp

Filesize
48KB

Download