orcus | 777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d

Analysis

max time kernel
144s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27-04-2024 01:53

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General

Target

777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
Size

2.6MB
MD5

e345b8d57ec4f2a1b856c40bd7f9b28b
SHA1

397b3387d591c2d0e45024a931b3e420f091f211
SHA256

777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d
SHA512

94cfa2d9b1542d3440979a3653fab7ec73cdfd706296b4c702d219e58154b89772dfa2289d41d0e18fa4300d7678f63f6b1212a1adb84dd77b905d1a74d85e8f
SSDEEP

24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/Nh:Vh+ZkldoPKiYdKr97

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/4932-3-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral2/memory/640-43-0x00000000007C0000-0x00000000008AA000-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-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	setspn.exe

Executes dropped EXE 3 IoCs

pid	Process
2436	setspn.exe
4064	setspn.exe
5092	setspn.exe

AutoIT Executable 5 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3148-0-0x0000000000A30000-0x0000000000CDA000-memory.dmp	autoit_exe
behavioral2/files/0x000b000000023bc3-21.dat	autoit_exe
behavioral2/memory/2436-22-0x00000000006E0000-0x000000000098A000-memory.dmp	autoit_exe
behavioral2/memory/4064-33-0x00000000006E0000-0x000000000098A000-memory.dmp	autoit_exe
behavioral2/memory/5092-41-0x00000000006E0000-0x000000000098A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3148 set thread context of 4932	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	87
PID 2436 set thread context of 4448	2436	setspn.exe	94
PID 4064 set thread context of 1812	4064	setspn.exe	107
PID 5092 set thread context of 640	5092	setspn.exe	111

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
2436	schtasks.exe
1412	schtasks.exe
4460	schtasks.exe
2156	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1760	PING.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
2436	setspn.exe
2436	setspn.exe
2436	setspn.exe
2436	setspn.exe
4064	setspn.exe
4064	setspn.exe
4064	setspn.exe
4064	setspn.exe
5092	setspn.exe
5092	setspn.exe
5092	setspn.exe
5092	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4932	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4932	RegSvcs.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 4932	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	87
PID 3148 wrote to memory of 4932	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	87
PID 3148 wrote to memory of 4932	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	87
PID 3148 wrote to memory of 4932	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	87
PID 3148 wrote to memory of 4932	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	87
PID 3148 wrote to memory of 1412	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	88
PID 3148 wrote to memory of 1412	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	88
PID 3148 wrote to memory of 1412	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	88
PID 3148 wrote to memory of 2716	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	90
PID 3148 wrote to memory of 2716	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	90
PID 3148 wrote to memory of 2716	3148	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	90
PID 2716 wrote to memory of 1760	2716	cmd.exe	92
PID 2716 wrote to memory of 1760	2716	cmd.exe	92
PID 2716 wrote to memory of 1760	2716	cmd.exe	92
PID 2436 wrote to memory of 4448	2436	setspn.exe	94
PID 2436 wrote to memory of 4448	2436	setspn.exe	94
PID 2436 wrote to memory of 4448	2436	setspn.exe	94
PID 2436 wrote to memory of 4448	2436	setspn.exe	94
PID 2436 wrote to memory of 4448	2436	setspn.exe	94
PID 2436 wrote to memory of 4460	2436	setspn.exe	95
PID 2436 wrote to memory of 4460	2436	setspn.exe	95
PID 2436 wrote to memory of 4460	2436	setspn.exe	95
PID 4064 wrote to memory of 1812	4064	setspn.exe	107
PID 4064 wrote to memory of 1812	4064	setspn.exe	107
PID 4064 wrote to memory of 1812	4064	setspn.exe	107
PID 4064 wrote to memory of 1812	4064	setspn.exe	107
PID 4064 wrote to memory of 1812	4064	setspn.exe	107
PID 4064 wrote to memory of 2156	4064	setspn.exe	108
PID 4064 wrote to memory of 2156	4064	setspn.exe	108
PID 4064 wrote to memory of 2156	4064	setspn.exe	108
PID 5092 wrote to memory of 640	5092	setspn.exe	111
PID 5092 wrote to memory of 640	5092	setspn.exe	111
PID 5092 wrote to memory of 640	5092	setspn.exe	111
PID 5092 wrote to memory of 640	5092	setspn.exe	111
PID 5092 wrote to memory of 640	5092	setspn.exe	111
PID 5092 wrote to memory of 2436	5092	setspn.exe	112
PID 5092 wrote to memory of 2436	5092	setspn.exe	112
PID 5092 wrote to memory of 2436	5092	setspn.exe	112

C:\Users\Admin\AppData\Local\Temp\777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
"C:\Users\Admin\AppData\Local\Temp\777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3148
- 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:4932
- 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:1412
- 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\777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -t 0
    3⤵
    - Runs ping.exe
    PID:1760

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:2436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4448
- 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:4460

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:4064
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1812
- 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:2156

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:5092
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:640
- 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:2436

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
2d1b50550a2aaec74c0e9021437fecfe

SHA1
d6aa602b0ccf457bb85fabe60b85640d52c6c20c

SHA256
43bc51340091f87e081a67104ec7dfecf03b9cd2ef0b6fd8eb6f2478241c252d

SHA512
c2e9e0c88b308428b95c2c9ad964259b7c1e5a4ab3c641d395d4bd2b4ef74774e1e22f81d84ac7aa694b85984cf15b958ffdb0aa737f00f5cd10febe2d3271f8

Download Submit
memory/640-43-0x00000000007C0000-0x00000000008AA000-memory.dmp

Filesize
936KB

Download
memory/2436-22-0x00000000006E0000-0x000000000098A000-memory.dmp

Filesize
2.7MB

Download
memory/3148-1-0x00000000020F0000-0x00000000020F1000-memory.dmp

Filesize
4KB

Download
memory/3148-0-0x0000000000A30000-0x0000000000CDA000-memory.dmp

Filesize
2.7MB

Download
memory/4064-33-0x00000000006E0000-0x000000000098A000-memory.dmp

Filesize
2.7MB

Download
memory/4932-11-0x00000000028E0000-0x00000000028EE000-memory.dmp

Filesize
56KB

Download
memory/4932-20-0x00000000061D0000-0x00000000061DA000-memory.dmp

Filesize
40KB

Download
memory/4932-15-0x0000000005540000-0x0000000005552000-memory.dmp

Filesize
72KB

Download
memory/4932-16-0x0000000005550000-0x0000000005558000-memory.dmp

Filesize
32KB

Download
memory/4932-17-0x0000000005B20000-0x0000000005B38000-memory.dmp

Filesize
96KB

Download
memory/4932-18-0x0000000005EA0000-0x0000000006062000-memory.dmp

Filesize
1.8MB

Download
memory/4932-19-0x0000000005CC0000-0x0000000005CD0000-memory.dmp

Filesize
64KB

Download
memory/4932-14-0x0000000005050000-0x00000000050E2000-memory.dmp

Filesize
584KB

Download
memory/4932-13-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/4932-12-0x0000000004EF0000-0x0000000004F4C000-memory.dmp

Filesize
368KB

Download
memory/4932-30-0x00000000742A0000-0x0000000074A50000-memory.dmp

Filesize
7.7MB

Download
memory/4932-31-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

Filesize
64KB

Download
memory/4932-9-0x00000000742A0000-0x0000000074A50000-memory.dmp

Filesize
7.7MB

Download
memory/4932-10-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

Filesize
64KB

Download
memory/4932-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/5092-41-0x00000000006E0000-0x000000000098A000-memory.dmp

Filesize
2.7MB

Download