Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 02:15
Static task
static1
Behavioral task
behavioral1
Sample
b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe
Resource
win7-20240221-en
General
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Target
b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe
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Size
2.6MB
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MD5
c823da71212745fc28bc1db3a945195a
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SHA1
0babf35f07567cff0b9fc9a2d66dcb21d45a24ae
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SHA256
b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3
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SHA512
09524ed1afe09b289fbbe1629e9d266ca99ab7668d86851fb78bdfb5471ed2266bc2dab6d556c77b00601dce451fef6642c07da5519e3cd7e768663a1120b938
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SSDEEP
24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxy:Hh+ZkldoPKiYdqd6K
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
resource yara_rule behavioral2/memory/1684-1-0x0000000000400000-0x00000000004EA000-memory.dmp orcus behavioral2/memory/3232-26-0x0000000000630000-0x000000000071A000-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 setspn.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 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe -
Executes dropped EXE 2 IoCs
pid Process 4140 setspn.exe 3940 setspn.exe -
AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/628-0-0x00000000002B0000-0x000000000055A000-memory.dmp autoit_exe behavioral2/files/0x000b000000023356-23.dat autoit_exe behavioral2/memory/4140-24-0x0000000000200000-0x00000000004AA000-memory.dmp autoit_exe behavioral2/memory/3940-36-0x0000000000200000-0x00000000004AA000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 628 set thread context of 1684 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 96 PID 4140 set thread context of 3232 4140 setspn.exe 105 PID 3940 set thread context of 3612 3940 setspn.exe 122 -
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.
pid Process 2768 schtasks.exe 392 schtasks.exe 5084 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 4140 setspn.exe 4140 setspn.exe 4140 setspn.exe 4140 setspn.exe 3940 setspn.exe 3940 setspn.exe 3940 setspn.exe 3940 setspn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1684 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1684 RegSvcs.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 628 wrote to memory of 1684 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 96 PID 628 wrote to memory of 1684 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 96 PID 628 wrote to memory of 1684 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 96 PID 628 wrote to memory of 1684 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 96 PID 628 wrote to memory of 1684 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 96 PID 628 wrote to memory of 2768 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 97 PID 628 wrote to memory of 2768 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 97 PID 628 wrote to memory of 2768 628 b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe 97 PID 4140 wrote to memory of 3232 4140 setspn.exe 105 PID 4140 wrote to memory of 3232 4140 setspn.exe 105 PID 4140 wrote to memory of 3232 4140 setspn.exe 105 PID 4140 wrote to memory of 3232 4140 setspn.exe 105 PID 4140 wrote to memory of 3232 4140 setspn.exe 105 PID 4140 wrote to memory of 392 4140 setspn.exe 106 PID 4140 wrote to memory of 392 4140 setspn.exe 106 PID 4140 wrote to memory of 392 4140 setspn.exe 106 PID 3940 wrote to memory of 3612 3940 setspn.exe 122 PID 3940 wrote to memory of 3612 3940 setspn.exe 122 PID 3940 wrote to memory of 3612 3940 setspn.exe 122 PID 3940 wrote to memory of 3612 3940 setspn.exe 122 PID 3940 wrote to memory of 3612 3940 setspn.exe 122 PID 3940 wrote to memory of 5084 3940 setspn.exe 123 PID 3940 wrote to memory of 5084 3940 setspn.exe 123 PID 3940 wrote to memory of 5084 3940 setspn.exe 123
Processes
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C:\Users\Admin\AppData\Local\Temp\b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe"C:\Users\Admin\AppData\Local\Temp\b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:628 -
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:1684
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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:2768
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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:4140 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:3232
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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:392
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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:3940 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:3612
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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:5084
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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
MD5e03a919812beef6ab4183b7597c019fa
SHA18848d8a1cdadeab2eb2da543555be78f9d13fadc
SHA25603eaface161ce6fb3d9cdecd829b8d0b9b91a6aa6a8fe3033b8c1e803140d1cd
SHA512d7608ddbd757b0bc3d7579c5418d0f4fb8133e3200ffbf56fc5b9115ce42f32b14cf3435f62c8735cf6e240633fd6450667ac53832018b816cf4f566ca6f706e