Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17-04-2024 02:29
Static task
static1
Behavioral task
behavioral1
Sample
b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe
Resource
win7-20240215-en
General
-
Target
b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe
-
Size
2.6MB
-
MD5
1d1e084394ccbc02b21db7b58b355c15
-
SHA1
d94ed25a49b02029b839d75cb95c65c242fc9a1e
-
SHA256
b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7
-
SHA512
ab1b2adc4c535fc6d6ec020861005cb6ab98ca555accef3d617d206677464b5e96576919fffb67c06c3972d331a0f7482b4e78b325bf2d388f72ee0b4c035dde
-
SSDEEP
24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxj:Hh+ZkldoPKiYdqd6b
Malware Config
Extracted
orcus
ligeon
ligeon.ddns.net:1606
b98fb09a59c24a81b9d17a55ccf2c036
-
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
-
Orcurs Rat Executable 3 IoCs
resource yara_rule behavioral2/memory/4888-2-0x0000000000400000-0x00000000004EA000-memory.dmp orcus behavioral2/memory/4888-22-0x00000000050E0000-0x00000000050F0000-memory.dmp orcus behavioral2/memory/4348-37-0x0000000000760000-0x000000000084A000-memory.dmp orcus -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.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 5072 setspn.exe 4820 setspn.exe -
AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4240-0-0x0000000000E20000-0x00000000010CA000-memory.dmp autoit_exe behavioral2/files/0x00090000000233fc-23.dat autoit_exe behavioral2/memory/5072-24-0x0000000000A90000-0x0000000000D3A000-memory.dmp autoit_exe behavioral2/memory/4820-36-0x0000000000A90000-0x0000000000D3A000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4240 set thread context of 4888 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 93 PID 5072 set thread context of 1920 5072 setspn.exe 100 PID 4820 set thread context of 4348 4820 setspn.exe 104 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4332 schtasks.exe 3420 schtasks.exe 1900 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 5072 setspn.exe 5072 setspn.exe 5072 setspn.exe 5072 setspn.exe 4820 setspn.exe 4820 setspn.exe 4820 setspn.exe 4820 setspn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4888 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4888 RegSvcs.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4240 wrote to memory of 4888 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 93 PID 4240 wrote to memory of 4888 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 93 PID 4240 wrote to memory of 4888 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 93 PID 4240 wrote to memory of 4888 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 93 PID 4240 wrote to memory of 4888 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 93 PID 4240 wrote to memory of 4332 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 94 PID 4240 wrote to memory of 4332 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 94 PID 4240 wrote to memory of 4332 4240 b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe 94 PID 5072 wrote to memory of 1920 5072 setspn.exe 100 PID 5072 wrote to memory of 1920 5072 setspn.exe 100 PID 5072 wrote to memory of 1920 5072 setspn.exe 100 PID 5072 wrote to memory of 1920 5072 setspn.exe 100 PID 5072 wrote to memory of 1920 5072 setspn.exe 100 PID 5072 wrote to memory of 3420 5072 setspn.exe 101 PID 5072 wrote to memory of 3420 5072 setspn.exe 101 PID 5072 wrote to memory of 3420 5072 setspn.exe 101 PID 4820 wrote to memory of 4348 4820 setspn.exe 104 PID 4820 wrote to memory of 4348 4820 setspn.exe 104 PID 4820 wrote to memory of 4348 4820 setspn.exe 104 PID 4820 wrote to memory of 4348 4820 setspn.exe 104 PID 4820 wrote to memory of 4348 4820 setspn.exe 104 PID 4820 wrote to memory of 1900 4820 setspn.exe 105 PID 4820 wrote to memory of 1900 4820 setspn.exe 105 PID 4820 wrote to memory of 1900 4820 setspn.exe 105
Processes
-
C:\Users\Admin\AppData\Local\Temp\b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe"C:\Users\Admin\AppData\Local\Temp\b5af8b415653f7c927c09d93ae038301fa5bd121f455f6efd006c40c56b0f5a7.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4240 -
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:4888
-
-
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:4332
-
-
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:5072 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:1920
-
-
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:3420
-
-
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:4820 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:4348
-
-
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:1900
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD50672db2ef13237d5cb85075ff4915942
SHA1ad8b4d3eb5e40791c47d48b22e273486f25f663f
SHA2560a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519
SHA51284ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b
-
Filesize
2.6MB
MD57ed9bd95fe21436834356747b18d7f5a
SHA1f83ee972d9e6e0ba8832c2f33e44814fba74e3b3
SHA256019033c948072582902c91cf26a89775182fb80a9211bfe55be5cbedc23d6e3c
SHA512eed5c9209142a80354aed8a945c67922e26f5f4c8f7e4ccb2db6c0185a51d699a7493cd356bc0dc204b7f162bfb7345f0b4ca3076bb9c11a019295a41f8c7c04