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Analysis
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max time kernel
171s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 19:12
Static task
static1
Behavioral task
behavioral1
Sample
b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe
Resource
win10v2004-20221111-en
General
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Target
b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe
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Size
167KB
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MD5
e2a76045af016b0e1bb1a76b2d0f2365
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SHA1
2601e6cb3bdd24bb9963237e961fb28fa0f32ed6
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SHA256
b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e
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SHA512
630e58eca0cefca98e4cf468823e3875d19381c416d4c8ef3e73546b58bb077233d88a6d9e28d95fb736bffbbc672e2d4b3b2e0cd082837ab650abe5a01f4ec6
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SSDEEP
3072:vWSCPLt5LIBQr0h89rrORM0n9s1Ra6usnHts44Cqezvtykql3fM:vGPHLIBk0CHOC0n9y5RvtAf
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1192 Explorer.EXE -
Registers COM server for autorun 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4246620582-653642754-1174164128-1000\\$94b51c160cef92dd5e85d337991aa9a5\\n." b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe -
Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4246620582-653642754-1174164128-1000\\$94b51c160cef92dd5e85d337991aa9a5\\n." b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\clsid b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 1192 Explorer.EXE 1192 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1192 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe Token: SeDebugPrivilege 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe Token: SeDebugPrivilege 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe Token: SeDebugPrivilege 1192 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4900 wrote to memory of 1192 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 32 PID 4900 wrote to memory of 1192 4900 b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe 32
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1192 -
C:\Users\Admin\AppData\Local\Temp\b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe"C:\Users\Admin\AppData\Local\Temp\b36ccb7f541db8eeba64315c0f396a0ab6b5dfb69bb204418b4fb4679ce9e34e.exe"2⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4900
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2