Analysis
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max time kernel
45s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/12/2022, 22:35
Static task
static1
Behavioral task
behavioral1
Sample
KMSoffline.2.3.7.rar
Resource
win7-20220812-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
KMSoffline.2.3.7.rar
Resource
win10v2004-20220901-en
8 signatures
150 seconds
General
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Target
KMSoffline.2.3.7.rar
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Size
3.9MB
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MD5
0aef234fe85c9c3744922b74f1ef615c
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SHA1
09df875b859021259482d4cbb1a80b18b09ea9d5
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SHA256
0e538b84ed6168b0066be6030c6b508f5399ec8bd58500a4a6a684d08141a05f
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SHA512
3309cb8ff0d8193a425ec51667673ae1e2f5038cacfca1362d5109e77a6d5af422211c38cf7fe44352816adebd5a2e1161b873f97293ad0e57b80dbc7fd2d8b4
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SSDEEP
49152:m/MfB0zz8/q1hm3uVMuiYaSFPslL5acTUV+Dvmd5Nd/hpzoOOphYyFciMA:X0f8y1h41XZ15actDvmdxjz7OpqzM
Score
3/10
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 796 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1348 wrote to memory of 796 1348 cmd.exe 27 PID 1348 wrote to memory of 796 1348 cmd.exe 27 PID 1348 wrote to memory of 796 1348 cmd.exe 27
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\KMSoffline.2.3.7.rar1⤵
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\KMSoffline.2.3.7.rar2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:796
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