120550fcc0d7eaf24bfdac08615b1bdad4d79ea0fd2bc0dac7048d0beb3b3a7d | Triage

Analysis

max time kernel
90s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 17:26

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General

Target

FastVerCode.dll
Size

76KB
MD5

afbd7ce0444d74992c3a7ba2c6856819
SHA1

1fe1ec080a42387b2d7c3f93a85e3b01ef833127
SHA256

360219f58aed55df91f745ab1b6b0ea3119e38cab6ba9177bb934bb870e1de8a
SHA512

a5d974786c629374f1a4b1c96656bf78995b021b2876328ef2d125f4fcb823d763c189688de39aa66143e33cf4555bcfd7ca1a8b8e151de734b856dd1d184847
SSDEEP

1536:P16i/yx+DQQ2axHoEdcwU5c+xtBuK3kU4:Ei/yxy2axIWavBugkJ

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

544 5032 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4848 wrote to memory of 5032	4848	rundll32.exe	rundll32.exe
PID 4848 wrote to memory of 5032	4848	rundll32.exe	rundll32.exe
PID 4848 wrote to memory of 5032	4848	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FastVerCode.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\FastVerCode.dll,#1
  2⤵
  PID:5032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 624
    3⤵
    - Program crash
    PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 5032 -ip 5032
1⤵
PID:5024

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/5032-132-0x0000000000000000-mapping.dmp

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