909df004857e854a646328179d73a9738eec6b2eb559be3b0cd8d3c53b3dd29a | Triage

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 05:06

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General

Target

Dyn/TcKiller.dll
Size

53KB
MD5

a73907c3f81749e0d705c51beb88ac88
SHA1

4334905336c9136c31682c97b82435b36f6e9650
SHA256

67e453a2da194ec020de2f2930c1f9b117309ae1fb3bc25ae64cf5f179276154
SHA512

7cb391ec1552816db7a2ab8c83ea0a829cd7c3a93efc29a310e17023a2f504d1f884445735ad51695f78b09f1cd480fcae4cc4b333affc42a9ec0a40d4e34a44
SSDEEP

768:R/uIoxTOM6OXPP4ppG86M/PzBFZ00Ifiss2lrfFnWn4LZ7:XoxTOoPsrPLZnIDlrf1Wn4l

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4652	4636	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 4636	4692	rundll32.exe	88
PID 4692 wrote to memory of 4636	4692	rundll32.exe	88
PID 4692 wrote to memory of 4636	4692	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dyn\TcKiller.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dyn\TcKiller.dll,#1
  2⤵
  PID:4636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 600
    3⤵
    - Program crash
    PID:4652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4636 -ip 4636
1⤵
PID:8

Network

MITRE ATT&CK Matrix

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