Analysis
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max time kernel
148s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
28-11-2022 19:12
Static task
static1
Behavioral task
behavioral1
Sample
fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe
Resource
win10v2004-20220812-en
General
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Target
fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe
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Size
669KB
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MD5
4bf1521ed6112feb176f9b6907f2c96b
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SHA1
0a66dacbf5cb0e230c52fd0229af9f64002d4f3c
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SHA256
fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c
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SHA512
bbae3e6b0cac75866b2bc34dc19f60dbce03aba48de10df6edce644c2cac1add84579c3d3fc33f2e53009413ba94c790bd6c58f2d9678007a09d8630b5df957c
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SSDEEP
12288:tRMQmWIW9rQzgyx+ec3Ed4D/enUaRRVLgWTvoCd/Zk:oW6Mk+D3Ed4Qh
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\v2t6bIXtK.lnk fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe -
Loads dropped DLL 1 IoCs
pid Process 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\RZRSYNAPSE = "C:\\Users\\Admin\\AppData\\Roaming\\Razer\\RazerComms5.5.14.exe" RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 948 set thread context of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 -
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 4 IoCs
pid Process 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1412 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe Token: SeDebugPrivilege 1412 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1412 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28 PID 948 wrote to memory of 1412 948 fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe"C:\Users\Admin\AppData\Local\Temp\fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:948 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1412
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
669KB
MD54bf1521ed6112feb176f9b6907f2c96b
SHA10a66dacbf5cb0e230c52fd0229af9f64002d4f3c
SHA256fe4c008464e7f99279ab099192ef803de60c31605b240a7a6497d2bc8809cc8c
SHA512bbae3e6b0cac75866b2bc34dc19f60dbce03aba48de10df6edce644c2cac1add84579c3d3fc33f2e53009413ba94c790bd6c58f2d9678007a09d8630b5df957c