Analysis
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max time kernel
154s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 00:11
Static task
static1
Behavioral task
behavioral1
Sample
3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe
Resource
win10v2004-20220812-en
General
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Target
3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe
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Size
504KB
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MD5
d34314bb304be63642bea5ef5bd6d8f7
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SHA1
aa93b0519c76b7f37c61c8f91b44aed5e802a0d2
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SHA256
3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09
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SHA512
5266c2a550790224f73261b48a85be4a186a02c4b816852b293df1d2e6038737812dff0641b441c7f1215aa97284fa3211398f9f0aefe40a803646197570373c
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SSDEEP
12288:CP+bpyf92lLD/OGomv7O+p4lEQUAqnlSQb5B:CP+bPN7ONlEQUAqnsQtB
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\sidebar = "C:\\Users\\Admin\\AppData\\Roaming\\Sample.lnk" 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe File opened for modification C:\Windows\assembly\Desktop.ini 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2988 set thread context of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe File opened for modification C:\Windows\assembly 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe File created C:\Windows\assembly\Desktop.ini 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1868 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe Token: SeDebugPrivilege 1868 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1868 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2988 wrote to memory of 4332 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 80 PID 2988 wrote to memory of 4332 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 80 PID 2988 wrote to memory of 4332 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 80 PID 2988 wrote to memory of 3784 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 82 PID 2988 wrote to memory of 3784 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 82 PID 2988 wrote to memory of 3784 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 82 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84 PID 2988 wrote to memory of 1868 2988 3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe"C:\Users\Admin\AppData\Local\Temp\3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\SysWOW64\CMD.exe"CMD"2⤵PID:4332
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C:\Windows\SysWOW64\CMD.exe"CMD"2⤵PID:3784
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C:\Users\Admin\AppData\Local\Temp\3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe"C:\Users\Admin\AppData\Local\Temp\3dafb816e769eec1136209b5a7474d9e9f749c83980dfc849425b8e2b0dceb09.exe"2⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1868
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