orcus | 18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
26-04-2024 01:16

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General

Target

18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe
Size

2.6MB
MD5

ff805c2a8d9accc1911a4f4e31cbfa80
SHA1

31e4cf46ef0d5f51fb7981804cf7789875c7a2e6
SHA256

18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437
SHA512

c66c63d4d6e2a8372fa6d26d35aa35d56480026a1f4bf8a60577ede4bb439e904c6ef6dd76b1500ee9b0e5096e53059b1060dc3780b0ded2bce8e025cb63caac
SSDEEP

24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxd:Hh+ZkldoPKiYdqd6F

Score

10^/10

orcus ligeon rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

ligeon

ligeon.ddns.net:1606

Mutex

b98fb09a59c24a81b9d17a55ccf2c036

Attributes

autostart_method
Disable
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

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral2/memory/552-1-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral2/memory/3792-32-0x00000000058C0000-0x00000000058D0000-memory.dmp	orcus
behavioral2/memory/3280-37-0x0000000000430000-0x000000000051A000-memory.dmp	orcus

Checks computer location settings 2 TTPs 4 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	setspn.exe

Executes dropped EXE 3 IoCs

pid	Process
4436	setspn.exe
4312	setspn.exe
3904	setspn.exe

AutoIT Executable 5 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4472-0-0x00000000008E0000-0x0000000000B8A000-memory.dmp	autoit_exe
behavioral2/files/0x00090000000233e1-22.dat	autoit_exe
behavioral2/memory/4436-23-0x0000000000780000-0x0000000000A2A000-memory.dmp	autoit_exe
behavioral2/memory/4312-36-0x0000000000780000-0x0000000000A2A000-memory.dmp	autoit_exe
behavioral2/memory/3904-47-0x0000000000780000-0x0000000000A2A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4472 set thread context of 552	4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe	91
PID 4436 set thread context of 3792	4436	setspn.exe	102
PID 4312 set thread context of 3280	4312	setspn.exe	113
PID 3904 set thread context of 4396	3904	setspn.exe	125

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 4 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4676	schtasks.exe
5112	schtasks.exe
2796	schtasks.exe
3788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe
4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe
4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe
4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe
4436	setspn.exe
4436	setspn.exe
4436	setspn.exe
4436	setspn.exe
4312	setspn.exe
4312	setspn.exe
4312	setspn.exe
4312	setspn.exe
3904	setspn.exe
3904	setspn.exe
3904	setspn.exe
3904	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	552	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
552	RegSvcs.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 552	4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe	91
PID 4472 wrote to memory of 552	4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe	91
PID 4472 wrote to memory of 552	4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe	91
PID 4472 wrote to memory of 552	4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe	91
PID 4472 wrote to memory of 552	4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe	91
PID 4472 wrote to memory of 4676	4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe	92
PID 4472 wrote to memory of 4676	4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe	92
PID 4472 wrote to memory of 4676	4472	18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe	92
PID 4436 wrote to memory of 3792	4436	setspn.exe	102
PID 4436 wrote to memory of 3792	4436	setspn.exe	102
PID 4436 wrote to memory of 3792	4436	setspn.exe	102
PID 4436 wrote to memory of 3792	4436	setspn.exe	102
PID 4436 wrote to memory of 3792	4436	setspn.exe	102
PID 4436 wrote to memory of 5112	4436	setspn.exe	103
PID 4436 wrote to memory of 5112	4436	setspn.exe	103
PID 4436 wrote to memory of 5112	4436	setspn.exe	103
PID 4312 wrote to memory of 3280	4312	setspn.exe	113
PID 4312 wrote to memory of 3280	4312	setspn.exe	113
PID 4312 wrote to memory of 3280	4312	setspn.exe	113
PID 4312 wrote to memory of 3280	4312	setspn.exe	113
PID 4312 wrote to memory of 3280	4312	setspn.exe	113
PID 4312 wrote to memory of 2796	4312	setspn.exe	114
PID 4312 wrote to memory of 2796	4312	setspn.exe	114
PID 4312 wrote to memory of 2796	4312	setspn.exe	114
PID 3904 wrote to memory of 4396	3904	setspn.exe	125
PID 3904 wrote to memory of 4396	3904	setspn.exe	125
PID 3904 wrote to memory of 4396	3904	setspn.exe	125
PID 3904 wrote to memory of 4396	3904	setspn.exe	125
PID 3904 wrote to memory of 4396	3904	setspn.exe	125
PID 3904 wrote to memory of 3788	3904	setspn.exe	126
PID 3904 wrote to memory of 3788	3904	setspn.exe	126
PID 3904 wrote to memory of 3788	3904	setspn.exe	126

C:\Users\Admin\AppData\Local\Temp\18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe
"C:\Users\Admin\AppData\Local\Temp\18fc8d3e6e36350b48c35a3660c52110f88881e2cb77f268d21ff891a9f28437.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:552
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:4676

C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3792
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:5112

C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3280
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:2796

C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4396
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:3788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Download Submit
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe

Filesize
2.6MB

MD5
660ec23526829628cdd4ed29db99e53e

SHA1
a21d9feb2be3d38bd2cc38f36a01a3981a4ea4e3

SHA256
148091cc8eaf179358af208840729688daa450a6fb9ec2675f2bd4ca9269cc6e

SHA512
ff593199c405e2fc9f0bc0fad68ac615f79b15a17dbdf7ecccdeda0ffe2c4b19dbdf0b0b6eab6f588b396be1b0f8814a6c51e50e250e15a7e7850e4829b7b725

Download Submit
memory/552-20-0x0000000006C10000-0x0000000006C1A000-memory.dmp

Filesize
40KB

Download
memory/552-10-0x0000000005910000-0x000000000596C000-memory.dmp

Filesize
368KB

Download
memory/552-1-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/552-9-0x00000000016E0000-0x00000000016EE000-memory.dmp

Filesize
56KB

Download
memory/552-18-0x00000000068E0000-0x0000000006AA2000-memory.dmp

Filesize
1.8MB

Download
memory/552-13-0x0000000006000000-0x00000000065A4000-memory.dmp

Filesize
5.6MB

Download
memory/552-14-0x0000000005AF0000-0x0000000005B82000-memory.dmp

Filesize
584KB

Download
memory/552-15-0x0000000005AE0000-0x0000000005AF2000-memory.dmp

Filesize
72KB

Download
memory/552-16-0x0000000005F90000-0x0000000005F98000-memory.dmp

Filesize
32KB

Download
memory/552-17-0x0000000005FB0000-0x0000000005FC8000-memory.dmp

Filesize
96KB

Download
memory/552-19-0x0000000006700000-0x0000000006710000-memory.dmp

Filesize
64KB

Download
memory/552-25-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/552-7-0x0000000073860000-0x0000000074010000-memory.dmp

Filesize
7.7MB

Download
memory/552-21-0x0000000073860000-0x0000000074010000-memory.dmp

Filesize
7.7MB

Download
memory/552-8-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/3280-44-0x0000000004980000-0x0000000004990000-memory.dmp

Filesize
64KB

Download
memory/3280-45-0x0000000073860000-0x0000000074010000-memory.dmp

Filesize
7.7MB

Download
memory/3280-43-0x0000000073860000-0x0000000074010000-memory.dmp

Filesize
7.7MB

Download
memory/3280-37-0x0000000000430000-0x000000000051A000-memory.dmp

Filesize
936KB

Download
memory/3792-32-0x00000000058C0000-0x00000000058D0000-memory.dmp

Filesize
64KB

Download
memory/3792-34-0x0000000073860000-0x0000000074010000-memory.dmp

Filesize
7.7MB

Download
memory/3792-31-0x0000000073860000-0x0000000074010000-memory.dmp

Filesize
7.7MB

Download
memory/3904-47-0x0000000000780000-0x0000000000A2A000-memory.dmp

Filesize
2.7MB

Download
memory/4312-36-0x0000000000780000-0x0000000000A2A000-memory.dmp

Filesize
2.7MB

Download
memory/4396-54-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/4396-53-0x0000000073860000-0x0000000074010000-memory.dmp

Filesize
7.7MB

Download
memory/4436-23-0x0000000000780000-0x0000000000A2A000-memory.dmp

Filesize
2.7MB

Download
memory/4472-0-0x00000000008E0000-0x0000000000B8A000-memory.dmp

Filesize
2.7MB

Download
memory/4472-2-0x0000000003BA0000-0x0000000003BA1000-memory.dmp

Filesize
4KB

Download