Analysis
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max time kernel
147s -
max time network
148s -
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 02:20
Static task
static1
Behavioral task
behavioral1
Sample
b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe
Resource
win7-20240221-en
General
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Target
b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe
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Size
2.6MB
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MD5
0dbc59ff95744137f3f34763e8ee3d81
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SHA1
0b8613d8c43536689da43690347729051ec23150
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SHA256
b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602
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SHA512
542f1dcebd9204c4b4158d1471e67a39d393bddec42d7b751d9cf01a40344b532be3f5f19615f22c6f6c2db3dd6f94c042e58d620c1296cf29ba6ca68cc9c793
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SSDEEP
24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/NG:Vh+ZkldoPKiYdKr9U
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 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4992-2-0x0000000000400000-0x00000000004EA000-memory.dmp orcus behavioral2/memory/4276-26-0x0000000000900000-0x00000000009EA000-memory.dmp orcus behavioral2/memory/2928-37-0x0000000000570000-0x000000000065A000-memory.dmp orcus -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
setspn.exesetspn.exeb7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation setspn.exe Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation setspn.exe Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe -
Executes dropped EXE 2 IoCs
Processes:
setspn.exesetspn.exepid process 2076 setspn.exe 3552 setspn.exe -
AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral2/memory/2092-0-0x0000000000AB0000-0x0000000000D5A000-memory.dmp autoit_exe C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe autoit_exe behavioral2/memory/2076-24-0x0000000000D60000-0x000000000100A000-memory.dmp autoit_exe behavioral2/memory/3552-36-0x0000000000D60000-0x000000000100A000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exesetspn.exesetspn.exedescription pid process target process PID 2092 set thread context of 4992 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe RegSvcs.exe PID 2076 set thread context of 4276 2076 setspn.exe RegSvcs.exe PID 3552 set thread context of 2928 3552 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 440 schtasks.exe 4572 schtasks.exe 60 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exesetspn.exesetspn.exepid process 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe 2076 setspn.exe 2076 setspn.exe 2076 setspn.exe 2076 setspn.exe 3552 setspn.exe 3552 setspn.exe 3552 setspn.exe 3552 setspn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 4992 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 4992 RegSvcs.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.execmd.exesetspn.exesetspn.exedescription pid process target process PID 2092 wrote to memory of 4992 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe RegSvcs.exe PID 2092 wrote to memory of 4992 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe RegSvcs.exe PID 2092 wrote to memory of 4992 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe RegSvcs.exe PID 2092 wrote to memory of 4992 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe RegSvcs.exe PID 2092 wrote to memory of 4992 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe RegSvcs.exe PID 2092 wrote to memory of 440 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe schtasks.exe PID 2092 wrote to memory of 440 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe schtasks.exe PID 2092 wrote to memory of 440 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe schtasks.exe PID 2092 wrote to memory of 4436 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe cmd.exe PID 2092 wrote to memory of 4436 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe cmd.exe PID 2092 wrote to memory of 4436 2092 b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe cmd.exe PID 4436 wrote to memory of 2240 4436 cmd.exe PING.EXE PID 4436 wrote to memory of 2240 4436 cmd.exe PING.EXE PID 4436 wrote to memory of 2240 4436 cmd.exe PING.EXE PID 2076 wrote to memory of 4276 2076 setspn.exe RegSvcs.exe PID 2076 wrote to memory of 4276 2076 setspn.exe RegSvcs.exe PID 2076 wrote to memory of 4276 2076 setspn.exe RegSvcs.exe PID 2076 wrote to memory of 4276 2076 setspn.exe RegSvcs.exe PID 2076 wrote to memory of 4276 2076 setspn.exe RegSvcs.exe PID 2076 wrote to memory of 4572 2076 setspn.exe schtasks.exe PID 2076 wrote to memory of 4572 2076 setspn.exe schtasks.exe PID 2076 wrote to memory of 4572 2076 setspn.exe schtasks.exe PID 3552 wrote to memory of 2928 3552 setspn.exe RegSvcs.exe PID 3552 wrote to memory of 2928 3552 setspn.exe RegSvcs.exe PID 3552 wrote to memory of 2928 3552 setspn.exe RegSvcs.exe PID 3552 wrote to memory of 2928 3552 setspn.exe RegSvcs.exe PID 3552 wrote to memory of 2928 3552 setspn.exe RegSvcs.exe PID 3552 wrote to memory of 60 3552 setspn.exe schtasks.exe PID 3552 wrote to memory of 60 3552 setspn.exe schtasks.exe PID 3552 wrote to memory of 60 3552 setspn.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe"C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2092 -
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:4992 -
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:440 -
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\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -t 03⤵
- Runs ping.exe
PID:2240
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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:2076 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:4276
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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:4572
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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:3552 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2928
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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:60
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
MD58afceb4ebed2eb7746d2abdbb25c48a7
SHA1e4a038943074c85a7abc38f859c574aa491edaf4
SHA25686f12f0ab95f023757640b57d29ac34bbfe299c3f1e7d27278592e6c9568d68a
SHA512cef169aebe7e96ebbf84f40c90b8be0dcc15f5f2c91379bed5b81d556cd98a67f55716a3b2a8d22bb46376be67b357ef962f2dc00882cb9c99717efbfb810430