Analysis
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max time kernel
152s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
24-04-2024 02:03
Static task
static1
Behavioral task
behavioral1
Sample
35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe
Resource
win7-20240221-en
General
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Target
35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe
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Size
2.6MB
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MD5
be991555f781db551f8e8e568ebd7222
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SHA1
49d21b445b7795e1c1e9152507b8a6a732ffde4a
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SHA256
35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d
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SHA512
7f3c11544e8ade57b66b9716a80c1d9a9b7654da005a3e1d5ddafa3d983bca023df301b785ce916d82cce1eea92b756beb706a6ff733d847f7bdd369842d5a59
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SSDEEP
24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxx2:Hh+ZkldoPKiYdqd6u
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/3960-2-0x0000000000400000-0x00000000004EA000-memory.dmp orcus behavioral2/memory/4388-47-0x0000000000500000-0x00000000005EA000-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-1-5-21-3808065738-1666277613-1125846146-1000\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 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe -
Executes dropped EXE 3 IoCs
pid Process 4956 setspn.exe 3488 setspn.exe 2480 setspn.exe -
AutoIT Executable 5 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/3256-0-0x00000000006F0000-0x000000000099A000-memory.dmp autoit_exe behavioral2/files/0x0008000000023260-21.dat autoit_exe behavioral2/memory/4956-22-0x0000000000730000-0x00000000009DA000-memory.dmp autoit_exe behavioral2/memory/3488-35-0x0000000000730000-0x00000000009DA000-memory.dmp autoit_exe behavioral2/memory/2480-46-0x0000000000730000-0x00000000009DA000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3256 set thread context of 3960 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 92 PID 4956 set thread context of 2324 4956 setspn.exe 103 PID 3488 set thread context of 1556 3488 setspn.exe 109 PID 2480 set thread context of 4388 2480 setspn.exe 113 -
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 3800 schtasks.exe 4724 schtasks.exe 4588 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 4956 setspn.exe 4956 setspn.exe 4956 setspn.exe 4956 setspn.exe 3488 setspn.exe 3488 setspn.exe 3488 setspn.exe 3488 setspn.exe 2480 setspn.exe 2480 setspn.exe 2480 setspn.exe 2480 setspn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3960 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3960 RegSvcs.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 3256 wrote to memory of 3960 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 92 PID 3256 wrote to memory of 3960 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 92 PID 3256 wrote to memory of 3960 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 92 PID 3256 wrote to memory of 3960 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 92 PID 3256 wrote to memory of 3960 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 92 PID 3256 wrote to memory of 3800 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 93 PID 3256 wrote to memory of 3800 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 93 PID 3256 wrote to memory of 3800 3256 35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe 93 PID 4956 wrote to memory of 2324 4956 setspn.exe 103 PID 4956 wrote to memory of 2324 4956 setspn.exe 103 PID 4956 wrote to memory of 2324 4956 setspn.exe 103 PID 4956 wrote to memory of 2324 4956 setspn.exe 103 PID 4956 wrote to memory of 2324 4956 setspn.exe 103 PID 4956 wrote to memory of 4724 4956 setspn.exe 105 PID 4956 wrote to memory of 4724 4956 setspn.exe 105 PID 4956 wrote to memory of 4724 4956 setspn.exe 105 PID 3488 wrote to memory of 1556 3488 setspn.exe 109 PID 3488 wrote to memory of 1556 3488 setspn.exe 109 PID 3488 wrote to memory of 1556 3488 setspn.exe 109 PID 3488 wrote to memory of 1556 3488 setspn.exe 109 PID 3488 wrote to memory of 1556 3488 setspn.exe 109 PID 3488 wrote to memory of 4588 3488 setspn.exe 110 PID 3488 wrote to memory of 4588 3488 setspn.exe 110 PID 3488 wrote to memory of 4588 3488 setspn.exe 110 PID 2480 wrote to memory of 4388 2480 setspn.exe 113 PID 2480 wrote to memory of 4388 2480 setspn.exe 113 PID 2480 wrote to memory of 4388 2480 setspn.exe 113 PID 2480 wrote to memory of 4388 2480 setspn.exe 113 PID 2480 wrote to memory of 4388 2480 setspn.exe 113
Processes
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C:\Users\Admin\AppData\Local\Temp\35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe"C:\Users\Admin\AppData\Local\Temp\35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3256 -
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:3960
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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:3800
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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:4956 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2324
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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:4724
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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=4080 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵PID:3292
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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:3488 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:1556
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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:4588
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C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exeC:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:4388
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD50672db2ef13237d5cb85075ff4915942
SHA1ad8b4d3eb5e40791c47d48b22e273486f25f663f
SHA2560a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519
SHA51284ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b
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Filesize
2.6MB
MD5a4e0e9fd4390250f0151419097b622ea
SHA165a06fa9bc7bff9dbf15915b7df5ff2dceedd506
SHA256a808efb23e9bcc36db101975e79804b3b4bc7b73ad74f0672a1d9051a9c02672
SHA51219a6048464bf7c496416f51f2e7584c5ab404b795cd262c8272829141e3b230c9c06e15b1710084cfc64803d19d8c60f8bdc9383c2341344da3d8996bb3ceee2