Analysis
- max time kernel
147s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
02/03/2024, 23:42
Behavioral task
behavioral1
Sample
loader_patched_by_cypher.exe
Resource
win7-20240221-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
loader_patched_by_cypher.exe
Resource
win10v2004-20240226-en
9 signatures
150 seconds
General
- Target loader_patched_by_cypher.exe
- Size 8.6MB
- Sample240302-3qavzaae21
- SHA256 d552d463a5bdc43885b1cf4d86b9ed98c80fc877416729b84cf5d4986bec94c2
- MD5 c71b1d59edf0689bc03a41f7d7c91843
- SHA1 66e7c50307168b279d3d2acac9caeecad5283f52
- SHA512 4954b97c5c330b9abf2ca87bbf77f76a8075cdb6008ee1610473f7872858827b58dce0cfb53f61a913781e8a9d6ab254da46308e5a734fc6b83559605973a698
- SSDEEP 196608:QPnlJvkC3OOXDLzFgyBRZahPDBlPreVr:Cnz3OcDLzFgy4hPDBt4
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\okRKAqykvTTTYYx\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\okRKAqykvTTTYYx" loader_patched_by_cypher.exe -
resource yara_rule behavioral2/memory/2744-0-0x00007FF6721F0000-0x00007FF672A9A000-memory.dmp themida behavioral2/memory/2744-3-0x00007FF6721F0000-0x00007FF672A9A000-memory.dmp themida - Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs
pid Process 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2744 loader_patched_by_cypher.exe 2744 loader_patched_by_cypher.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2744 loader_patched_by_cypher.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeLoadDriverPrivilege 2744 loader_patched_by_cypher.exe Token: SeDebugPrivilege 752 taskmgr.exe Token: SeSystemProfilePrivilege 752 taskmgr.exe Token: SeCreateGlobalPrivilege 752 taskmgr.exe Token: 33 752 taskmgr.exe Token: SeIncBasePriorityPrivilege 752 taskmgr.exe - Suspicious use of FindShellTrayWindow 35 IoCs
pid Process 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe - Suspicious use of SendNotifyMessage 35 IoCs
pid Process 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe 752 taskmgr.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\loader_patched_by_cypher.exe"C:\Users\Admin\AppData\Local\Temp\loader_patched_by_cypher.exe"1⤵
- Sets service image path in registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2744
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /71⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:752