Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12-04-2024 01:03
Static task
static1
Behavioral task
behavioral1
Sample
b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe
Resource
win7-20231129-en
General
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Target
b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe
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Size
2.6MB
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MD5
1f3265ce6fd5450943cfc07a7b7971c1
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SHA1
7df873fa54d45543871e195b9ff9491b9c4d159d
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SHA256
b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6
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SHA512
bc8dbf287727c5f15c91cda4ce45d8ce05268cb9e0ba1e735f9b835294c7af0e12440fe87818219fe56a27122418dacf948380a48b27defca020a7387517fac4
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SSDEEP
24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxn:Hh+ZkldoPKiYdqd6f
Malware Config
Extracted
orcus
ligeon
ligeon.ddns.net:1606
b98fb09a59c24a81b9d17a55ccf2c036
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autostart_method
Disable
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enable_keylogger
true
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install_path
%programfiles%\Orcus\Orcus.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\OrcusWatchdog.exe
Signatures
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Orcurs Rat Executable 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2196-2-0x0000000000400000-0x00000000004EA000-memory.dmp orcus behavioral2/memory/4292-37-0x0000000000500000-0x00000000005EA000-memory.dmp orcus -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exesetspn.exesetspn.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation setspn.exe Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation setspn.exe -
Executes dropped EXE 2 IoCs
Processes:
setspn.exesetspn.exepid process 3716 setspn.exe 4652 setspn.exe -
AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral2/memory/5032-0-0x00000000009E0000-0x0000000000C8A000-memory.dmp autoit_exe C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe autoit_exe behavioral2/memory/3716-24-0x0000000000770000-0x0000000000A1A000-memory.dmp autoit_exe behavioral2/memory/4652-36-0x0000000000770000-0x0000000000A1A000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exesetspn.exesetspn.exedescription pid process target process PID 5032 set thread context of 2196 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe RegSvcs.exe PID 3716 set thread context of 4872 3716 setspn.exe RegSvcs.exe PID 4652 set thread context of 4292 4652 setspn.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 964 schtasks.exe 2832 schtasks.exe 2924 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exesetspn.exesetspn.exepid process 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe 3716 setspn.exe 3716 setspn.exe 3716 setspn.exe 3716 setspn.exe 4652 setspn.exe 4652 setspn.exe 4652 setspn.exe 4652 setspn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2196 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 2196 RegSvcs.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exesetspn.exesetspn.exedescription pid process target process PID 5032 wrote to memory of 2196 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe RegSvcs.exe PID 5032 wrote to memory of 2196 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe RegSvcs.exe PID 5032 wrote to memory of 2196 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe RegSvcs.exe PID 5032 wrote to memory of 2196 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe RegSvcs.exe PID 5032 wrote to memory of 2196 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe RegSvcs.exe PID 5032 wrote to memory of 964 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe schtasks.exe PID 5032 wrote to memory of 964 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe schtasks.exe PID 5032 wrote to memory of 964 5032 b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe schtasks.exe PID 3716 wrote to memory of 4872 3716 setspn.exe RegSvcs.exe PID 3716 wrote to memory of 4872 3716 setspn.exe RegSvcs.exe PID 3716 wrote to memory of 4872 3716 setspn.exe RegSvcs.exe PID 3716 wrote to memory of 4872 3716 setspn.exe RegSvcs.exe PID 3716 wrote to memory of 4872 3716 setspn.exe RegSvcs.exe PID 3716 wrote to memory of 2832 3716 setspn.exe schtasks.exe PID 3716 wrote to memory of 2832 3716 setspn.exe schtasks.exe PID 3716 wrote to memory of 2832 3716 setspn.exe schtasks.exe PID 4652 wrote to memory of 4292 4652 setspn.exe RegSvcs.exe PID 4652 wrote to memory of 4292 4652 setspn.exe RegSvcs.exe PID 4652 wrote to memory of 4292 4652 setspn.exe RegSvcs.exe PID 4652 wrote to memory of 4292 4652 setspn.exe RegSvcs.exe PID 4652 wrote to memory of 4292 4652 setspn.exe RegSvcs.exe PID 4652 wrote to memory of 2924 4652 setspn.exe schtasks.exe PID 4652 wrote to memory of 2924 4652 setspn.exe schtasks.exe PID 4652 wrote to memory of 2924 4652 setspn.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe"C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5032 -
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:2196 -
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 /F2⤵
- Creates scheduled task(s)
PID:964
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C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exeC:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:4872
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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 /F2⤵
- Creates scheduled task(s)
PID:2832
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C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exeC:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:4292
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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 /F2⤵
- Creates scheduled task(s)
PID:2924
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD50672db2ef13237d5cb85075ff4915942
SHA1ad8b4d3eb5e40791c47d48b22e273486f25f663f
SHA2560a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519
SHA51284ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b
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Filesize
2.6MB
MD53a04d9108713722bff0fc831f80a898a
SHA17a8a5964c9cb4498914c8c2ab7b787e48caa5513
SHA256b5742d934342485496ce462c5a10c6ac4ca5e83480f1c733ebd5c00adc1dfaf0
SHA512bf74acad2082ca7273f1a9ad53a86c80f83df9211beb903086bc99c8e1fb00efc43ffacc836fef09a4877caa3b9a3f577835d931854b28acfcb90b9e3fd1c051