Analysis
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max time kernel
150s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2024, 19:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a79c347cc0f264cc37d2c203a804ac58.exe
Resource
win7-20231215-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
a79c347cc0f264cc37d2c203a804ac58.exe
Resource
win10v2004-20231215-en
5 signatures
150 seconds
General
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Target
a79c347cc0f264cc37d2c203a804ac58.exe
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Size
194KB
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MD5
a79c347cc0f264cc37d2c203a804ac58
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SHA1
0b2d6b3d3010cc005848deac046416d3dbdc48a9
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SHA256
ca83832bf8e83ac9a97a01e589435b4666efa33d5f2f7f54b89dd58363e4a264
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SHA512
8aabaa15dc7b5774c8f0127c4f32a10f3bcd6d48516391206e75e0f60ad99a004cb7b3f2f133c6cc74f659a227b5c71ea15f204bffbe496ce45c582c9395383a
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SSDEEP
3072:/OlHHBuNrVw61gCi+O5MUINLEXyI1x7TzM2exumeYJnssSTMiJN:/OlHhAVw6TLO5wFcyIvexumfZIMo
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe," a79c347cc0f264cc37d2c203a804ac58.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\sdra64.exe a79c347cc0f264cc37d2c203a804ac58.exe File created C:\Windows\SysWOW64\sdra64.exe a79c347cc0f264cc37d2c203a804ac58.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3812 a79c347cc0f264cc37d2c203a804ac58.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3812 a79c347cc0f264cc37d2c203a804ac58.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3 PID 3812 wrote to memory of 620 3812 a79c347cc0f264cc37d2c203a804ac58.exe 3
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:620
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C:\Users\Admin\AppData\Local\Temp\a79c347cc0f264cc37d2c203a804ac58.exe"C:\Users\Admin\AppData\Local\Temp\a79c347cc0f264cc37d2c203a804ac58.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812