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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
09/06/2024, 10:49
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-09_a2b0b6d36f84acb2050a98e5b47ae204_bkransomware_karagany.exe
Resource
win7-20240508-en
General
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Target
2024-06-09_a2b0b6d36f84acb2050a98e5b47ae204_bkransomware_karagany.exe
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Size
677KB
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MD5
a2b0b6d36f84acb2050a98e5b47ae204
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SHA1
259762b55958655fb16206a947421593d7b7f8ec
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SHA256
136418b7e1e9f4a9d30ec01a65f5183daf637e12bb0056a0ea72744d05c3d25e
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SHA512
c6bfc48bb3b187d1291def4650f7c14ca8b45616cbbdb66af728cb8ff8af6ee2c1f483d5b73a8651abd10075826ce1028a5065b5eef9499eb76ac8f7a9d739b8
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SSDEEP
12288:QvXk1DHUVpyNj3C/Ei9OQSt6uk3zO61zOQJjN6atJ6bVgwtZJzZ:Ek1rUMj3C/Uvw3B8atQVpZJ9
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 472 Process not Found 1736 alg.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\alg.exe 2024-06-09_a2b0b6d36f84acb2050a98e5b47ae204_bkransomware_karagany.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe 2024-06-09_a2b0b6d36f84acb2050a98e5b47ae204_bkransomware_karagany.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 1452 2024-06-09_a2b0b6d36f84acb2050a98e5b47ae204_bkransomware_karagany.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-09_a2b0b6d36f84acb2050a98e5b47ae204_bkransomware_karagany.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_a2b0b6d36f84acb2050a98e5b47ae204_bkransomware_karagany.exe"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1452
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C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
PID:1736
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
644KB
MD5f6a5eb7f52d316816dba3a9ba097066c
SHA12c585acc6ddd7257b737994f1441640f46fd2332
SHA25699ede4dba38d219267e344c040d6c0484f438acac9500922868699cd051a6bfa
SHA5123ff5155eb36e0e2ccb83a5e22297b45990f46263f858a2ab7473b51c5754569527123db899e2260023cbb872dd261d91515c834a94adf41d9272e6392eae2b43