1c307877b29bfa741b365fa9a05373160ad5bf98608de2a847a4b8231174d1de | Triage

Analysis

max time kernel
148s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 17:29

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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

4492 4208 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 396 wrote to memory of 4208	396	rundll32.exe	rundll32.exe
PID 396 wrote to memory of 4208	396	rundll32.exe	rundll32.exe
PID 396 wrote to memory of 4208	396	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:396

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FastVerCode.dll,#1
2⤵
PID:4208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 624
3⤵
- Program crash
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4208 -ip 4208
1⤵
PID:3276

Network

MITRE ATT&CK Matrix

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Downloads

memory/4208-132-0x0000000000000000-mapping.dmp

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