f99aab0ac2b80b02b8a1ba70b86ff16e9aac1bff1451df307946feb0a42780ee | Triage

Analysis

max time kernel
121s
max time network
125s
platform
windows10_x64
resource
win10-en-20211208
submitted
15-01-2022 01:45

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General

Target

f99aab0ac2b80b02b8a1ba70b86ff16e9aac1bff1451df307946feb0a42780ee.dll
Size

574KB
MD5

fd9a257bffd063031a70d7d3b543d907
SHA1

2ff28e5249d20bfd5da6acc636f75b971afe1f79
SHA256

f99aab0ac2b80b02b8a1ba70b86ff16e9aac1bff1451df307946feb0a42780ee
SHA512

d381c098b653627e4f32d4d6a3cb15efab90fa149d0eaa5548a9dfc7f8a9e98ba126d35df0e8ec1b7c226b760bc0c63606b3534a2b8f1324e6da3f719bb7eec1

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 3476 wrote to memory of 3716	3476	regsvr32.exe	regsvr32.exe
PID 3476 wrote to memory of 3716	3476	regsvr32.exe	regsvr32.exe
PID 3476 wrote to memory of 3716	3476	regsvr32.exe	regsvr32.exe
PID 3716 wrote to memory of 2696	3716	regsvr32.exe	rundll32.exe
PID 3716 wrote to memory of 2696	3716	regsvr32.exe	rundll32.exe
PID 3716 wrote to memory of 2696	3716	regsvr32.exe	rundll32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f99aab0ac2b80b02b8a1ba70b86ff16e9aac1bff1451df307946feb0a42780ee.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3476

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f99aab0ac2b80b02b8a1ba70b86ff16e9aac1bff1451df307946feb0a42780ee.dll
2⤵
- Suspicious use of WriteProcessMemory
PID:3716

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f99aab0ac2b80b02b8a1ba70b86ff16e9aac1bff1451df307946feb0a42780ee.dll",DllRegisterServer
3⤵
PID:2696

MITRE ATT&CK Matrix

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Downloads

memory/2696-121-0x0000000000000000-mapping.dmp

Download
memory/3716-118-0x0000000000000000-mapping.dmp

Download
memory/3716-120-0x0000000000C65000-0x0000000000C66000-memory.dmp

Filesize
4KB

Download
memory/3716-119-0x0000000000C41000-0x0000000000C65000-memory.dmp

Filesize
144KB

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