orcus | ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b

Analysis

max time kernel
149s
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
25-04-2024 01:21

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General

Target

ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe
Size

2.6MB
MD5

177b6993cbf8007bd6513c7c862a75ac
SHA1

f93b19a7457789829a41202514a2cd3b6cefebc8
SHA256

ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b
SHA512

63ce52585fa8190147fa09c3a4ccf24bb6634e556e1f0193ee57d019f6c2c1788174558b25a3599635c85d1d068348200dc9cc750ecb01319d0481b1f3e6df83
SSDEEP

24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxx9:Hh+ZkldoPKiYdqd6V

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 2 IoCs

resource	yara_rule
behavioral2/memory/3148-1-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral2/memory/3460-37-0x0000000000530000-0x000000000061A000-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-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	setspn.exe

Executes dropped EXE 3 IoCs

pid	Process
3232	setspn.exe
5056	setspn.exe
212	setspn.exe

AutoIT Executable 5 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3516-0-0x0000000000BE0000-0x0000000000E8A000-memory.dmp	autoit_exe
behavioral2/files/0x0007000000023410-21.dat	autoit_exe
behavioral2/memory/3232-22-0x0000000000D20000-0x0000000000FCA000-memory.dmp	autoit_exe
behavioral2/memory/5056-36-0x0000000000D20000-0x0000000000FCA000-memory.dmp	autoit_exe
behavioral2/memory/212-47-0x0000000000D20000-0x0000000000FCA000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3516 set thread context of 3148	3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe	91
PID 3232 set thread context of 4764	3232	setspn.exe	101
PID 5056 set thread context of 3460	5056	setspn.exe	110
PID 212 set thread context of 1540	212	setspn.exe	123

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
3480	schtasks.exe
4288	schtasks.exe
1380	schtasks.exe
5020	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe
3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe
3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe
3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe
3232	setspn.exe
3232	setspn.exe
3232	setspn.exe
3232	setspn.exe
5056	setspn.exe
5056	setspn.exe
5056	setspn.exe
5056	setspn.exe
212	setspn.exe
212	setspn.exe
212	setspn.exe
212	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3148	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3148	RegSvcs.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 3148	3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe	91
PID 3516 wrote to memory of 3148	3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe	91
PID 3516 wrote to memory of 3148	3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe	91
PID 3516 wrote to memory of 3148	3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe	91
PID 3516 wrote to memory of 3148	3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe	91
PID 3516 wrote to memory of 5020	3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe	93
PID 3516 wrote to memory of 5020	3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe	93
PID 3516 wrote to memory of 5020	3516	ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe	93
PID 3232 wrote to memory of 4764	3232	setspn.exe	101
PID 3232 wrote to memory of 4764	3232	setspn.exe	101
PID 3232 wrote to memory of 4764	3232	setspn.exe	101
PID 3232 wrote to memory of 4764	3232	setspn.exe	101
PID 3232 wrote to memory of 4764	3232	setspn.exe	101
PID 3232 wrote to memory of 3480	3232	setspn.exe	102
PID 3232 wrote to memory of 3480	3232	setspn.exe	102
PID 3232 wrote to memory of 3480	3232	setspn.exe	102
PID 5056 wrote to memory of 3460	5056	setspn.exe	110
PID 5056 wrote to memory of 3460	5056	setspn.exe	110
PID 5056 wrote to memory of 3460	5056	setspn.exe	110
PID 5056 wrote to memory of 3460	5056	setspn.exe	110
PID 5056 wrote to memory of 3460	5056	setspn.exe	110
PID 5056 wrote to memory of 4288	5056	setspn.exe	111
PID 5056 wrote to memory of 4288	5056	setspn.exe	111
PID 5056 wrote to memory of 4288	5056	setspn.exe	111
PID 212 wrote to memory of 1540	212	setspn.exe	123
PID 212 wrote to memory of 1540	212	setspn.exe	123
PID 212 wrote to memory of 1540	212	setspn.exe	123
PID 212 wrote to memory of 1540	212	setspn.exe	123
PID 212 wrote to memory of 1540	212	setspn.exe	123
PID 212 wrote to memory of 1380	212	setspn.exe	124
PID 212 wrote to memory of 1380	212	setspn.exe	124
PID 212 wrote to memory of 1380	212	setspn.exe	124

C:\Users\Admin\AppData\Local\Temp\ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe
"C:\Users\Admin\AppData\Local\Temp\ef9d9398334726c86104094cfae3abdc06f6350f8fed6f7cff03ae60d89b2f2b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3516
- 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:3148
- 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:5020

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:3232
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4764
- 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:3480

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:5056
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3460
- 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:4288

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:212
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1540
- 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:1380

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
88e4ba7f3ee02bab9e139d54c8f0645c

SHA1
8f5a8a12a05dfad2277e283d15ae1d25c69781e1

SHA256
23ba1db90379f719c65e5bc7bac7ce5be89d8f931502ab4dd5add1994ccbd259

SHA512
91790f7e027c6dffff44c83ab5477169425429cf628183de6b1b0e58526ab222e76ac0048886ad609417b9bad05ad14d1435f21f167aa1cd503de7204ce74868

Download Submit
memory/212-47-0x0000000000D20000-0x0000000000FCA000-memory.dmp

Filesize
2.7MB

Download
memory/1540-55-0x00000000738E0000-0x0000000074090000-memory.dmp

Filesize
7.7MB

Download
memory/1540-54-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/1540-53-0x00000000738E0000-0x0000000074090000-memory.dmp

Filesize
7.7MB

Download
memory/3148-12-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/3148-19-0x0000000005F90000-0x0000000005FA0000-memory.dmp

Filesize
64KB

Download
memory/3148-1-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3148-15-0x00000000058A0000-0x00000000058B2000-memory.dmp

Filesize
72KB

Download
memory/3148-16-0x00000000058B0000-0x00000000058B8000-memory.dmp

Filesize
32KB

Download
memory/3148-17-0x0000000005E00000-0x0000000005E18000-memory.dmp

Filesize
96KB

Download
memory/3148-18-0x0000000006720000-0x00000000068E2000-memory.dmp

Filesize
1.8MB

Download
memory/3148-9-0x0000000003060000-0x000000000306E000-memory.dmp

Filesize
56KB

Download
memory/3148-20-0x0000000006710000-0x000000000671A000-memory.dmp

Filesize
40KB

Download
memory/3148-10-0x0000000005740000-0x000000000579C000-memory.dmp

Filesize
368KB

Download
memory/3148-11-0x0000000005FA0000-0x0000000006544000-memory.dmp

Filesize
5.6MB

Download
memory/3148-29-0x00000000738E0000-0x0000000074090000-memory.dmp

Filesize
7.7MB

Download
memory/3148-7-0x00000000738E0000-0x0000000074090000-memory.dmp

Filesize
7.7MB

Download
memory/3148-8-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/3148-32-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/3232-22-0x0000000000D20000-0x0000000000FCA000-memory.dmp

Filesize
2.7MB

Download
memory/3460-43-0x00000000738E0000-0x0000000074090000-memory.dmp

Filesize
7.7MB

Download
memory/3460-37-0x0000000000530000-0x000000000061A000-memory.dmp

Filesize
936KB

Download
memory/3460-44-0x0000000004B60000-0x0000000004B70000-memory.dmp

Filesize
64KB

Download
memory/3460-45-0x00000000738E0000-0x0000000074090000-memory.dmp

Filesize
7.7MB

Download
memory/3516-4-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download
memory/3516-0-0x0000000000BE0000-0x0000000000E8A000-memory.dmp

Filesize
2.7MB

Download
memory/4764-34-0x00000000738E0000-0x0000000074090000-memory.dmp

Filesize
7.7MB

Download
memory/4764-31-0x00000000058C0000-0x00000000058D0000-memory.dmp

Filesize
64KB

Download
memory/4764-30-0x00000000738E0000-0x0000000074090000-memory.dmp

Filesize
7.7MB

Download
memory/5056-36-0x0000000000D20000-0x0000000000FCA000-memory.dmp

Filesize
2.7MB

Download