Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
16-03-2024 02:33
Static task
static1
Behavioral task
behavioral1
Sample
842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe
Resource
win7-20240221-en
General
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Target
842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe
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Size
1.8MB
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MD5
9c7cad9eda9e00f3ab502d8f02cba2ca
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SHA1
a249034719737a3d6f4adda631e72c2145787949
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SHA256
842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2
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SHA512
7892319b2872dec33031ab4a50efd2de5bf0a58641a011c091c57eaa62dc9957acd82765bfecec60a656736a79328c5fa1ef4733456bde3160ffc3cadffe712e
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SSDEEP
24576:s7p3zW7nsL1lzFGE64M3ICpoy5hn5TbtgqzHNJltNupD2m9dDZYK:sV3zHXS3VpNh5TJgqrNJl4CEdGK
Malware Config
Signatures
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ParallaxRat payload 18 IoCs
Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.
Processes:
resource yara_rule behavioral2/memory/624-8-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-9-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-10-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-11-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-12-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-13-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-14-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-18-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-17-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-16-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-15-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-19-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-20-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-21-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-22-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-23-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-24-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat behavioral2/memory/624-32-0x00000000030D0000-0x00000000030FC000-memory.dmp parallax_rat -
Drops startup file 2 IoCs
Processes:
DllHost.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\geargul.exe DllHost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\geargul.exe DllHost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 3 IoCs
Processes:
Explorer.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 42 IoCs
Processes:
842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exepid process 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe -
Suspicious use of AdjustPrivilegeToken 39 IoCs
Processes:
svchost.exeExplorer.EXEdescription pid process Token: SeManageVolumePrivilege 2508 svchost.exe Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 3440 Explorer.EXE 3440 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3440 Explorer.EXE -
Suspicious use of WriteProcessMemory 1 IoCs
Processes:
842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exedescription pid process target process PID 624 wrote to memory of 3440 624 842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe"C:\Users\Admin\AppData\Local\Temp\842360492263c33b06bbe3d241a035b29bf29900066d29b3267f000eee07e6a2.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}1⤵
- Drops startup file
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/624-17-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-2-0x00000000024D0000-0x0000000002550000-memory.dmpFilesize
512KB
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memory/624-16-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-0-0x00000000024D0000-0x0000000002550000-memory.dmpFilesize
512KB
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memory/624-5-0x0000000002550000-0x0000000002551000-memory.dmpFilesize
4KB
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memory/624-7-0x0000000000700000-0x0000000000701000-memory.dmpFilesize
4KB
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memory/624-8-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-9-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-10-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-11-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-12-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-13-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-14-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-18-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-32-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-1-0x0000000077E42000-0x0000000077E43000-memory.dmpFilesize
4KB
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memory/624-15-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-19-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-20-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-21-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-22-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-23-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-24-0x00000000030D0000-0x00000000030FC000-memory.dmpFilesize
176KB
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memory/624-26-0x0000000003100000-0x00000000031BE000-memory.dmpFilesize
760KB
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memory/624-27-0x00000000031C0000-0x0000000003489000-memory.dmpFilesize
2.8MB
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memory/624-31-0x0000000002550000-0x0000000002551000-memory.dmpFilesize
4KB
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memory/2508-80-0x000001B59BEE0000-0x000001B59BEE1000-memory.dmpFilesize
4KB
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memory/2508-48-0x000001B593A70000-0x000001B593A80000-memory.dmpFilesize
64KB
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memory/2508-64-0x000001B593B70000-0x000001B593B80000-memory.dmpFilesize
64KB
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memory/3440-6-0x0000000002770000-0x0000000002771000-memory.dmpFilesize
4KB