6851b72e0bfaf608294bcac6ffef07e5e6591aee8b94ce9afad46b6e6cc32a59 | Triage

Resubmissions

27-10-2021 14:44

211027-r4madafbg6 10

27-10-2021 14:28

211027-rs7f6sfah4 10

Analysis

max time kernel
311s
max time network
1814s
submitted
01-01-1970 00:00

Sharing

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General

Target

setup_installer/libgcc_s_dw2-1.dll

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2400 1628 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2400 WerFault.exe
Token: SeBackupPrivilege 2400 WerFault.exe
Token: SeDebugPrivilege 2400 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2328 wrote to memory of 1628	2328	rundll32.exe	rundll32.exe
PID 2328 wrote to memory of 1628	2328	rundll32.exe	rundll32.exe
PID 2328 wrote to memory of 1628	2328	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\setup_installer\libgcc_s_dw2-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\setup_installer\libgcc_s_dw2-1.dll,#1
2⤵
PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 636
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1628-118-0x0000000000000000-mapping.dmp

Download
memory/1628-120-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/1628-119-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/1628-121-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/1628-122-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download