orcus | 5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/04/2024, 01:34

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General

Target
5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe
Size 2.6MB
Sample240413-by4pgahh45
SHA256 5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a
MD5 b885348763d4c179cf29b9768cc76acf
SHA1 16ce094f522f0726f8fb35d0043ab9e424140890
SHA512 f78ea20abc1481a000e8f3660383fc71bb266035b2fd549e0d78b048e8d8c1a94f1307d49b414179efad59e0624423d6d1a22eb2a3736e4c5eeee148c0e0b4e7
SSDEEP 24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/Ns:Vh+ZkldoPKiYdKr9e
MD5 SHA1 SHA512 SSDEEP

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/4628-2-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral2/memory/4772-26-0x00000000007B0000-0x000000000089A000-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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe

Executes dropped EXE 2 IoCs

pid	Process
1932	setspn.exe
5004	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2136-0-0x0000000000720000-0x00000000009CA000-memory.dmp	autoit_exe
behavioral2/files/0x0007000000023267-23.dat	autoit_exe
behavioral2/memory/1932-24-0x0000000000660000-0x000000000090A000-memory.dmp	autoit_exe
behavioral2/memory/5004-36-0x0000000000660000-0x000000000090A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 4628	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	91
PID 1932 set thread context of 4772	1932	setspn.exe	107
PID 5004 set thread context of 228	5004	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 3 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4552	schtasks.exe
2392	schtasks.exe
3096	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4748	PING.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe
2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe
2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe
2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe
1932	setspn.exe
1932	setspn.exe
1932	setspn.exe
1932	setspn.exe
5004	setspn.exe
5004	setspn.exe
5004	setspn.exe
5004	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4628	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4628	RegSvcs.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 4628	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	91
PID 2136 wrote to memory of 4628	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	91
PID 2136 wrote to memory of 4628	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	91
PID 2136 wrote to memory of 4628	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	91
PID 2136 wrote to memory of 4628	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	91
PID 2136 wrote to memory of 4552	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	92
PID 2136 wrote to memory of 4552	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	92
PID 2136 wrote to memory of 4552	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	92
PID 2136 wrote to memory of 880	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	94
PID 2136 wrote to memory of 880	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	94
PID 2136 wrote to memory of 880	2136	5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe	94
PID 880 wrote to memory of 4748	880	cmd.exe	96
PID 880 wrote to memory of 4748	880	cmd.exe	96
PID 880 wrote to memory of 4748	880	cmd.exe	96
PID 1932 wrote to memory of 4772	1932	setspn.exe	107
PID 1932 wrote to memory of 4772	1932	setspn.exe	107
PID 1932 wrote to memory of 4772	1932	setspn.exe	107
PID 1932 wrote to memory of 4772	1932	setspn.exe	107
PID 1932 wrote to memory of 4772	1932	setspn.exe	107
PID 1932 wrote to memory of 2392	1932	setspn.exe	108
PID 1932 wrote to memory of 2392	1932	setspn.exe	108
PID 1932 wrote to memory of 2392	1932	setspn.exe	108
PID 5004 wrote to memory of 228	5004	setspn.exe	111
PID 5004 wrote to memory of 228	5004	setspn.exe	111
PID 5004 wrote to memory of 228	5004	setspn.exe	111
PID 5004 wrote to memory of 228	5004	setspn.exe	111
PID 5004 wrote to memory of 228	5004	setspn.exe	111
PID 5004 wrote to memory of 3096	5004	setspn.exe	112
PID 5004 wrote to memory of 3096	5004	setspn.exe	112
PID 5004 wrote to memory of 3096	5004	setspn.exe	112

C:\Users\Admin\AppData\Local\Temp\5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe
"C:\Users\Admin\AppData\Local\Temp\5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2136
- 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:4628
- 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:4552
- 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\5910aa00e8a3ffa7f8abb45d6e8f23307b1f152d6f6a2bbfb9be8215b0b2d26a.exe & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -t 0
    3⤵
    - Runs ping.exe
    PID:4748

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4112 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:2452

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:1932
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4772
- 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:2392

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:5004
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:228
- 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:3096

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

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Downloads

RegSvcs.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log
Size 1KB
SHA256 0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519
MD5 0672db2ef13237d5cb85075ff4915942
SHA1 ad8b4d3eb5e40791c47d48b22e273486f25f663f
SHA512 84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b
MD5 SHA1 SHA512

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setspn.exe

Path C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
Size 2.6MB
SHA256 4d3957547460142b00b98c8063cfddf77c360ef683782f9b19ce1b328e95c3ad
MD5 f37d617b38a429a1b2ce1539bab71371
SHA1 d7a587c75be7a0fe5332581befc51d5d6dda0a6a
SHA512 ec2c9e619dd1fa8d30678a69d1d832a509ba23f8bcf6dac23f39db2869a5400b8658d0ffd8c4690e0a420720dbe034c8e9a6b2caba8a90c4c5847e480d568250
SSDEEP 24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/Nq:Vh+ZkldoPKiYdKr9k
MD5 SHA1 SHA512 SSDEEP

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memory/228-44-0x0000000073F40000-0x00000000746F0000-memory.dmp

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memory/228-43-0x0000000073F40000-0x00000000746F0000-memory.dmp

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memory/1932-24-0x0000000000660000-0x000000000090A000-memory.dmp

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memory/2136-1-0x0000000001120000-0x0000000001121000-memory.dmp

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memory/2136-0-0x0000000000720000-0x00000000009CA000-memory.dmp

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memory/4628-10-0x00000000058D0000-0x000000000592C000-memory.dmp

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memory/4628-22-0x00000000059A0000-0x00000000059B0000-memory.dmp

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memory/4628-15-0x0000000005F40000-0x0000000005F52000-memory.dmp

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memory/4628-16-0x0000000005F50000-0x0000000005F58000-memory.dmp

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memory/4628-17-0x0000000006520000-0x0000000006538000-memory.dmp

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memory/4628-18-0x0000000006880000-0x0000000006A42000-memory.dmp

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memory/4628-19-0x00000000066C0000-0x00000000066D0000-memory.dmp

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memory/4628-20-0x0000000006BD0000-0x0000000006BDA000-memory.dmp

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memory/4628-21-0x0000000073F40000-0x00000000746F0000-memory.dmp

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memory/4628-12-0x0000000005A50000-0x0000000005AE2000-memory.dmp

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memory/4628-11-0x0000000005F60000-0x0000000006504000-memory.dmp

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memory/4628-9-0x0000000003240000-0x000000000324E000-memory.dmp

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memory/4628-2-0x0000000000400000-0x00000000004EA000-memory.dmp

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memory/4628-7-0x0000000073F40000-0x00000000746F0000-memory.dmp

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memory/4628-8-0x00000000059A0000-0x00000000059B0000-memory.dmp

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memory/4772-34-0x0000000073F40000-0x00000000746F0000-memory.dmp

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memory/4772-32-0x0000000002700000-0x0000000002710000-memory.dmp

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memory/4772-31-0x0000000073F40000-0x00000000746F0000-memory.dmp

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memory/4772-26-0x00000000007B0000-0x000000000089A000-memory.dmp

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memory/5004-36-0x0000000000660000-0x000000000090A000-memory.dmp

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