8050946d45275d1d9a207b61e1e7c69f906193fe120b111497bb15960f9ca379 | Triage

Analysis

max time kernel
70s
max time network
169s
platform
windows10_x64
resource
win10-en
submitted
10-09-2021 21:28

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General

Target

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

4084 436 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe
4084	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 4084 WerFault.exe
Token: SeBackupPrivilege 4084 WerFault.exe
Token: SeDebugPrivilege 4084 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4024 wrote to memory of 436	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 436	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 436	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libgcc_s_dw2-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libgcc_s_dw2-1.dll,#1
2⤵
PID:436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 636
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4084

MITRE ATT&CK Matrix

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Downloads

memory/436-115-0x0000000000000000-mapping.dmp

Download
memory/436-117-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

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memory/436-116-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

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memory/436-118-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/436-119-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download