Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
11-02-2025 17:35
Static task
static1
Behavioral task
behavioral1
Sample
Skramlekassens.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Skramlekassens.exe
Resource
win10v2004-20250207-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250211-en
General
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Target
Skramlekassens.exe
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Size
1.1MB
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MD5
35ee6e0d45ac82619b30c88ae3ac40fe
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SHA1
ae1c2d10f66c8cc4574643b40fb17d428b868aa5
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SHA256
6b11ef45fe61a72300142c891c2855febf4e3bac1b00104cf6dd10e6520a10c8
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SHA512
c2631034c0f3136aefae310335b4d41a42cc0be0d5e87e3fd10aaf0a50a9262584a0dbdf6aaeb33322a3d385f373d093613a23a1269b013f180abe3a0f91a093
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SSDEEP
24576:/V8oyndYnqJpB7Zj16wbfqiPACOedfHYNXNHA6:/V8BfJphZl/ACOdHA
Malware Config
Signatures
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Loads dropped DLL 2 IoCs
pid Process 1960 Skramlekassens.exe 1960 Skramlekassens.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Peppercorns241\septobasidium.ini Skramlekassens.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2868 1960 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Skramlekassens.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1960 wrote to memory of 2868 1960 Skramlekassens.exe 31 PID 1960 wrote to memory of 2868 1960 Skramlekassens.exe 31 PID 1960 wrote to memory of 2868 1960 Skramlekassens.exe 31 PID 1960 wrote to memory of 2868 1960 Skramlekassens.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\Skramlekassens.exe"C:\Users\Admin\AppData\Local\Temp\Skramlekassens.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 4882⤵
- Program crash
PID:2868
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD534442e1e0c2870341df55e1b7b3cccdc
SHA199b2fa21aead4b6ccd8ff2f6d3d3453a51d9c70c
SHA256269d232712c86983336badb40b9e55e80052d8389ed095ebf9214964d43b6bb1
SHA5124a8c57fb12997438b488b862f3fc9dc0f236e07bb47b2bce6053dcb03ac7ad171842f02ac749f02dda4719c681d186330524cd2953d33cb50854844e74b33d51