orcus | 8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa

General

Target

8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
Size

2.6MB
MD5

2c594813a0c5b2acc5f13aa324c3df38
SHA1

fd1ce85c2cf71d8e46df64af0a5ae86bcff458cd
SHA256

8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa
SHA512

65af6798d1cd497473f6eb7319e2445cd80c674df19d29e09bae1a40dad2d68e162c1ef01a7f4369423a511aff734e4e32183f70a204f943512fba7f89bf32fe
SSDEEP

24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxN:Hh+ZkldoPKiYdqd6l

Score

10^/10

orcus ligeon rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

ligeon

C2

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 1 IoCs

resource	yara_rule
behavioral2/memory/3896-1-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Checks computer location settings 2 TTPs 3 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	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.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 2 IoCs

pid	Process
1592	setspn.exe
3528	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4180-0-0x0000000000220000-0x00000000004CA000-memory.dmp	autoit_exe
behavioral2/files/0x00080000000233ee-23.dat	autoit_exe
behavioral2/memory/1592-24-0x0000000000770000-0x0000000000A1A000-memory.dmp	autoit_exe
behavioral2/memory/3528-36-0x0000000000770000-0x0000000000A1A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4180 set thread context of 3896	4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	90
PID 1592 set thread context of 4128	1592	setspn.exe	109
PID 3528 set thread context of 216	3528	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 3 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4912	schtasks.exe
3480	schtasks.exe
3644	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
1592	setspn.exe
1592	setspn.exe
1592	setspn.exe
1592	setspn.exe
3528	setspn.exe
3528	setspn.exe
3528	setspn.exe
3528	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3896	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3896	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4180 wrote to memory of 3896	4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	90
PID 4180 wrote to memory of 3896	4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	90
PID 4180 wrote to memory of 3896	4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	90
PID 4180 wrote to memory of 3896	4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	90
PID 4180 wrote to memory of 3896	4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	90
PID 4180 wrote to memory of 3644	4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	94
PID 4180 wrote to memory of 3644	4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	94
PID 4180 wrote to memory of 3644	4180	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	94
PID 1592 wrote to memory of 4128	1592	setspn.exe	109
PID 1592 wrote to memory of 4128	1592	setspn.exe	109
PID 1592 wrote to memory of 4128	1592	setspn.exe	109
PID 1592 wrote to memory of 4128	1592	setspn.exe	109
PID 1592 wrote to memory of 4128	1592	setspn.exe	109
PID 1592 wrote to memory of 4912	1592	setspn.exe	110
PID 1592 wrote to memory of 4912	1592	setspn.exe	110
PID 1592 wrote to memory of 4912	1592	setspn.exe	110
PID 3528 wrote to memory of 216	3528	setspn.exe	123
PID 3528 wrote to memory of 216	3528	setspn.exe	123
PID 3528 wrote to memory of 216	3528	setspn.exe	123
PID 3528 wrote to memory of 216	3528	setspn.exe	123
PID 3528 wrote to memory of 216	3528	setspn.exe	123
PID 3528 wrote to memory of 3480	3528	setspn.exe	124
PID 3528 wrote to memory of 3480	3528	setspn.exe	124
PID 3528 wrote to memory of 3480	3528	setspn.exe	124

C:\Users\Admin\AppData\Local\Temp\8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
"C:\Users\Admin\AppData\Local\Temp\8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4180
- 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:3896
- 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:3644

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:1592
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4128
- 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:4912

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:3528
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:216
- 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

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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
27d3ee0fb63dbfe2266d73d2d47664c2

SHA1
56782536874a5fe430d36ca33ce3986251ac25d3

SHA256
4350285248c19fe50bc54cfbd558cd46f710c624e8727f2dad1426e312eec903

SHA512
0ea049685b4d1c530cfcec60d200220a182c2f522c0f50b296f30e2f404be6f35f30af2428dc739a323ed3aa64182bbb50843e815787173ded64aee30ac13855

Download Submit
memory/216-45-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/216-44-0x0000000005890000-0x00000000058A0000-memory.dmp

Filesize
64KB

Download
memory/216-43-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/1592-24-0x0000000000770000-0x0000000000A1A000-memory.dmp

Filesize
2.7MB

Download
memory/3528-36-0x0000000000770000-0x0000000000A1A000-memory.dmp

Filesize
2.7MB

Download
memory/3896-10-0x0000000005470000-0x00000000054CC000-memory.dmp

Filesize
368KB

Download
memory/3896-22-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/3896-15-0x0000000005AE0000-0x0000000005AF2000-memory.dmp

Filesize
72KB

Download
memory/3896-16-0x0000000005AF0000-0x0000000005AF8000-memory.dmp

Filesize
32KB

Download
memory/3896-17-0x0000000005B10000-0x0000000005B28000-memory.dmp

Filesize
96KB

Download
memory/3896-18-0x0000000006430000-0x00000000065F2000-memory.dmp

Filesize
1.8MB

Download
memory/3896-19-0x0000000006260000-0x0000000006270000-memory.dmp

Filesize
64KB

Download
memory/3896-20-0x0000000006420000-0x000000000642A000-memory.dmp

Filesize
40KB

Download
memory/3896-21-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/3896-12-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/3896-11-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/3896-1-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3896-7-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/3896-8-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/3896-9-0x00000000012A0000-0x00000000012AE000-memory.dmp

Filesize
56KB

Download
memory/4128-34-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/4128-32-0x0000000002950000-0x0000000002960000-memory.dmp

Filesize
64KB

Download
memory/4128-31-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/4180-4-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/4180-0-0x0000000000220000-0x00000000004CA000-memory.dmp

Filesize
2.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads