orcus | acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
27/06/2024, 01:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe
Size

921KB
MD5

ffb0b2a6d13a400e4e05908cfe0e677b
SHA1

e27ecf8d074beb524219b6d9e563fc5f76cd0546
SHA256

acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521
SHA512

5ade0726c36bea2b02c9e9533bc166be4f3794bd78a15a814eb5be418794880c22987f434fcd51967f1c33c3550b671f257b9583121c6ef0c5f0231ccee897f3
SSDEEP

24576:ZCW4MROxnF43olqrrcI0AilFEvxHjiQ8:ZCVMiGrrrcI0AilFEvxHj

Score

10^/10

orcus persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

85.159.230.132:10134

Mutex

0a90560fd1de4ef0859fc02bececce78

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\svhost\svhost.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\svhost.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/0x000b000000013aad-28.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/1916-1-0x0000000000D40000-0x0000000000E2C000-memory.dmp	orcus
behavioral1/files/0x000b000000013aad-28.dat	orcus
behavioral1/memory/2532-31-0x0000000001080000-0x000000000116C000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
1908	WindowsInput.exe
2736	WindowsInput.exe
2532	svhost.exe
1504	svhost.exe
1832	svhost.exe
1576	svhost.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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files\\svhost\\svhost.exe\""	svhost.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	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\svhost\svhost.exe	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe
File opened for modification	C:\Program Files\svhost\svhost.exe	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe
File created	C:\Program Files\svhost\svhost.exe.config	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.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
2532	svhost.exe
2532	svhost.exe
2532	svhost.exe
1576	svhost.exe
1576	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe
2532	svhost.exe
1576	svhost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	svhost.exe
Token: SeDebugPrivilege	1832	svhost.exe
Token: SeDebugPrivilege	1576	svhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2532	svhost.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 1908	1916	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe	29
PID 1916 wrote to memory of 1908	1916	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe	29
PID 1916 wrote to memory of 1908	1916	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe	29
PID 1916 wrote to memory of 2532	1916	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe	31
PID 1916 wrote to memory of 2532	1916	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe	31
PID 1916 wrote to memory of 2532	1916	acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe	31
PID 1896 wrote to memory of 1504	1896	taskeng.exe	33
PID 1896 wrote to memory of 1504	1896	taskeng.exe	33
PID 1896 wrote to memory of 1504	1896	taskeng.exe	33
PID 2532 wrote to memory of 1832	2532	svhost.exe	34
PID 2532 wrote to memory of 1832	2532	svhost.exe	34
PID 2532 wrote to memory of 1832	2532	svhost.exe	34
PID 2532 wrote to memory of 1832	2532	svhost.exe	34
PID 1832 wrote to memory of 1576	1832	svhost.exe	35
PID 1832 wrote to memory of 1576	1832	svhost.exe	35
PID 1832 wrote to memory of 1576	1832	svhost.exe	35
PID 1832 wrote to memory of 1576	1832	svhost.exe	35

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\acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe
"C:\Users\Admin\AppData\Local\Temp\acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:1908
- C:\Program Files\svhost\svhost.exe
  "C:\Program Files\svhost\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Users\Admin\AppData\Roaming\svhost.exe
    "C:\Users\Admin\AppData\Roaming\svhost.exe" /launchSelfAndExit "C:\Program Files\svhost\svhost.exe" 2532 /protectFile
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1832
  - - C:\Users\Admin\AppData\Roaming\svhost.exe
      "C:\Users\Admin\AppData\Roaming\svhost.exe" /watchProcess "C:\Program Files\svhost\svhost.exe" 2532 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1576

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2736

C:\Windows\system32\taskeng.exe
taskeng.exe {13704C1E-94DA-46CF-BD01-80E16BADA131} S-1-5-21-2737914667-933161113-3798636211-1000:PUMARTNR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Program Files\svhost\svhost.exe
  "C:\Program Files\svhost\svhost.exe"
  2⤵
  - Executes dropped EXE
  PID:1504

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\svhost\svhost.exe

Filesize
921KB

MD5
ffb0b2a6d13a400e4e05908cfe0e677b

SHA1
e27ecf8d074beb524219b6d9e563fc5f76cd0546

SHA256
acbe32afbdf67ae6aa81e19f4cba285da5fec8b24163a369048a041729159521

SHA512
5ade0726c36bea2b02c9e9533bc166be4f3794bd78a15a814eb5be418794880c22987f434fcd51967f1c33c3550b671f257b9583121c6ef0c5f0231ccee897f3

Download Submit
C:\Users\Admin\AppData\Roaming\svhost.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\svhost\err_0a90560fd1de4ef0859fc02bececce78.dat

Filesize
1KB

MD5
40e5e38757dc239c56a3020ee9b8f6ce

SHA1
78fc91656d248095a40dc4e89a00d42f1de9342d

SHA256
d733fe25267d6a19ee6c32cd06e4afe08f0b95428b3ed7b1c9ff337946ac7815

SHA512
f7eaac04b69f443d0fa9ca5fa7b9bb2af9d9de6ab637222506c2f891b7361705ec5c7969d3b3f7789b9bc3dece76420d098a8b210af22963bff516e4c2e38d77

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
memory/1832-48-0x00000000013C0000-0x00000000013C8000-memory.dmp

Filesize
32KB

Download
memory/1908-16-0x000007FEF5260000-0x000007FEF5C4C000-memory.dmp

Filesize
9.9MB

Download
memory/1908-20-0x000007FEF5260000-0x000007FEF5C4C000-memory.dmp

Filesize
9.9MB

Download
memory/1908-17-0x000007FEF5260000-0x000007FEF5C4C000-memory.dmp

Filesize
9.9MB

Download
memory/1908-15-0x0000000001170000-0x000000000117C000-memory.dmp

Filesize
48KB

Download
memory/1916-6-0x0000000000380000-0x0000000000388000-memory.dmp

Filesize
32KB

Download
memory/1916-3-0x0000000000350000-0x000000000035E000-memory.dmp

Filesize
56KB

Download
memory/1916-5-0x0000000000390000-0x00000000003A2000-memory.dmp

Filesize
72KB

Download
memory/1916-1-0x0000000000D40000-0x0000000000E2C000-memory.dmp

Filesize
944KB

Download
memory/1916-4-0x000007FEF5260000-0x000007FEF5C4C000-memory.dmp

Filesize
9.9MB

Download
memory/1916-32-0x000007FEF5260000-0x000007FEF5C4C000-memory.dmp

Filesize
9.9MB

Download
memory/1916-2-0x000000001ACA0000-0x000000001ACFC000-memory.dmp

Filesize
368KB

Download
memory/1916-0-0x000007FEF5263000-0x000007FEF5264000-memory.dmp

Filesize
4KB

Download
memory/2532-33-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2532-36-0x0000000000FF0000-0x000000000103E000-memory.dmp

Filesize
312KB

Download
memory/2532-37-0x0000000000B60000-0x0000000000B78000-memory.dmp

Filesize
96KB

Download
memory/2532-38-0x0000000000C00000-0x0000000000C10000-memory.dmp

Filesize
64KB

Download
memory/2532-31-0x0000000001080000-0x000000000116C000-memory.dmp

Filesize
944KB

Download
memory/2736-22-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download