4bb31847846180bf78033b5eb7761b874b114f6dd086862472915be761fc042a | Triage

Analysis

max time kernel
36s
max time network
41s
platform
windows7_x64
resource
win7-20220414-en
submitted
09-06-2022 14:12

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General

Target

7zS8A52FD1B/libgcc_s_dw2-1.dll
Size

113KB
MD5

9aec524b616618b0d3d00b27b6f51da1
SHA1

64264300801a353db324d11738ffed876550e1d3
SHA256

59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e
SHA512

0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1108 1224 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1824 wrote to memory of 1224	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 1224	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 1224	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 1224	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 1224	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 1224	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 1224	1824	rundll32.exe	rundll32.exe
PID 1224 wrote to memory of 1108	1224	rundll32.exe	WerFault.exe
PID 1224 wrote to memory of 1108	1224	rundll32.exe	WerFault.exe
PID 1224 wrote to memory of 1108	1224	rundll32.exe	WerFault.exe
PID 1224 wrote to memory of 1108	1224	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS8A52FD1B\libgcc_s_dw2-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS8A52FD1B\libgcc_s_dw2-1.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 244
3⤵
- Program crash
PID:1108

MITRE ATT&CK Matrix

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Downloads

memory/1108-56-0x0000000000000000-mapping.dmp

Download
memory/1224-54-0x0000000000000000-mapping.dmp

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memory/1224-55-0x0000000075E41000-0x0000000075E43000-memory.dmp

Filesize
8KB

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memory/1224-57-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

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