orcus | 503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1

Analysis

max time kernel
146s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2024, 01:46

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General

Target

503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe
Size

2.6MB
MD5

23893497c10ea9e321d6bf8308762beb
SHA1

7b9a015f1e48e0298502ef9b8104cf55f5a34c72
SHA256

503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1
SHA512

30db6133d316ce4c43fc7adc698e7fac8f0e18cb283eb78c45ec01c93100c509cab1bcb28332dd5faad39218cd4d405029cba32d4a9475204d46252364eb134b
SSDEEP

24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/NS:Vh+ZkldoPKiYdKr90

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 1 IoCs

resource	yara_rule
behavioral2/memory/4388-2-0x0000000000400000-0x00000000004EA000-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-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.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 2 IoCs

pid	Process
3488	setspn.exe
2900	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3104-0-0x0000000000C60000-0x0000000000F0A000-memory.dmp	autoit_exe
behavioral2/files/0x000700000002326f-23.dat	autoit_exe
behavioral2/memory/3488-24-0x00000000007B0000-0x0000000000A5A000-memory.dmp	autoit_exe
behavioral2/memory/2900-36-0x00000000007B0000-0x0000000000A5A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3104 set thread context of 4388	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	89
PID 3488 set thread context of 2472	3488	setspn.exe	107
PID 2900 set thread context of 848	2900	setspn.exe	119

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
544	schtasks.exe
4288	schtasks.exe
4128	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
848	PING.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe
3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe
3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe
3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe
3488	setspn.exe
3488	setspn.exe
3488	setspn.exe
3488	setspn.exe
2900	setspn.exe
2900	setspn.exe
2900	setspn.exe
2900	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4388	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4388	RegSvcs.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 4388	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	89
PID 3104 wrote to memory of 4388	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	89
PID 3104 wrote to memory of 4388	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	89
PID 3104 wrote to memory of 4388	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	89
PID 3104 wrote to memory of 4388	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	89
PID 3104 wrote to memory of 544	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	90
PID 3104 wrote to memory of 544	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	90
PID 3104 wrote to memory of 544	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	90
PID 3104 wrote to memory of 4092	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	92
PID 3104 wrote to memory of 4092	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	92
PID 3104 wrote to memory of 4092	3104	503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe	92
PID 4092 wrote to memory of 848	4092	cmd.exe	94
PID 4092 wrote to memory of 848	4092	cmd.exe	94
PID 4092 wrote to memory of 848	4092	cmd.exe	94
PID 3488 wrote to memory of 2472	3488	setspn.exe	107
PID 3488 wrote to memory of 2472	3488	setspn.exe	107
PID 3488 wrote to memory of 2472	3488	setspn.exe	107
PID 3488 wrote to memory of 2472	3488	setspn.exe	107
PID 3488 wrote to memory of 2472	3488	setspn.exe	107
PID 3488 wrote to memory of 4288	3488	setspn.exe	108
PID 3488 wrote to memory of 4288	3488	setspn.exe	108
PID 3488 wrote to memory of 4288	3488	setspn.exe	108
PID 2900 wrote to memory of 848	2900	setspn.exe	119
PID 2900 wrote to memory of 848	2900	setspn.exe	119
PID 2900 wrote to memory of 848	2900	setspn.exe	119
PID 2900 wrote to memory of 848	2900	setspn.exe	119
PID 2900 wrote to memory of 848	2900	setspn.exe	119
PID 2900 wrote to memory of 4128	2900	setspn.exe	120
PID 2900 wrote to memory of 4128	2900	setspn.exe	120
PID 2900 wrote to memory of 4128	2900	setspn.exe	120

C:\Users\Admin\AppData\Local\Temp\503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe
"C:\Users\Admin\AppData\Local\Temp\503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3104
- 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:4388
- 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:544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /k ping 127.0.0.1 -t 0 & del C:\Users\Admin\AppData\Local\Temp\503f849e566b78fedd83c4de58214b6dcdccc1bcd9bb20e2a44adb09cca8a5c1.exe & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4092
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -t 0
    3⤵
    - Runs ping.exe
    PID:848

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:3488
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2472
- 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:2900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:848
- 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:4128

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

Remote System Discovery

T1018

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
5db2fc89807bacc94bf0981b2d8fcf24

SHA1
6725d90024e68b3d133887510d0c2df26cb5cb4a

SHA256
7f8926198130fcaa7dd7a759c3c61ab16d43c9bd246e4d5e2b8c1a061208658c

SHA512
865ca580f73b1f512d4e2b64d3556db8ddb4849b98fd7ac9248e60a6bde6e3cd624dec5f24f925ce6c6f7f39b3c23232bb0d6a09cf09e4caa766f450b1f4ea14

Download Submit
memory/848-45-0x0000000073C70000-0x0000000074420000-memory.dmp

Filesize
7.7MB

Download
memory/848-44-0x00000000052C0000-0x00000000052D0000-memory.dmp

Filesize
64KB

Download
memory/848-43-0x0000000073C70000-0x0000000074420000-memory.dmp

Filesize
7.7MB

Download
memory/2472-34-0x0000000073C70000-0x0000000074420000-memory.dmp

Filesize
7.7MB

Download
memory/2472-32-0x00000000058D0000-0x00000000058E0000-memory.dmp

Filesize
64KB

Download
memory/2472-31-0x0000000073C70000-0x0000000074420000-memory.dmp

Filesize
7.7MB

Download
memory/2900-36-0x00000000007B0000-0x0000000000A5A000-memory.dmp

Filesize
2.7MB

Download
memory/3104-1-0x0000000001720000-0x0000000001721000-memory.dmp

Filesize
4KB

Download
memory/3104-0-0x0000000000C60000-0x0000000000F0A000-memory.dmp

Filesize
2.7MB

Download
memory/3488-24-0x00000000007B0000-0x0000000000A5A000-memory.dmp

Filesize
2.7MB

Download
memory/4388-10-0x00000000054B0000-0x000000000550C000-memory.dmp

Filesize
368KB

Download
memory/4388-16-0x00000000055F0000-0x00000000055F8000-memory.dmp

Filesize
32KB

Download
memory/4388-20-0x0000000006790000-0x000000000679A000-memory.dmp

Filesize
40KB

Download
memory/4388-21-0x0000000073C70000-0x0000000074420000-memory.dmp

Filesize
7.7MB

Download
memory/4388-22-0x00000000030E0000-0x00000000030F0000-memory.dmp

Filesize
64KB

Download
memory/4388-18-0x0000000006450000-0x0000000006612000-memory.dmp

Filesize
1.8MB

Download
memory/4388-17-0x0000000005A30000-0x0000000005A48000-memory.dmp

Filesize
96KB

Download
memory/4388-19-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

Filesize
64KB

Download
memory/4388-15-0x00000000055E0000-0x00000000055F2000-memory.dmp

Filesize
72KB

Download
memory/4388-14-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/4388-13-0x0000000005AD0000-0x0000000006074000-memory.dmp

Filesize
5.6MB

Download
memory/4388-9-0x0000000003080000-0x000000000308E000-memory.dmp

Filesize
56KB

Download
memory/4388-8-0x00000000030E0000-0x00000000030F0000-memory.dmp

Filesize
64KB

Download
memory/4388-7-0x0000000073C70000-0x0000000074420000-memory.dmp

Filesize
7.7MB

Download
memory/4388-2-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download