3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd | Triage

Analysis

max time kernel
80s
max time network
140s
platform
windows10_x64
resource
win10-en-20211208
submitted
20-12-2021 14:48

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General

Target

mozglue.dll
Size

133KB
MD5

8f73c08a9660691143661bf7332c3c27
SHA1

37fa65dd737c50fda710fdbde89e51374d0c204a
SHA256

3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA512

0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1020 3896 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1020 WerFault.exe
Token: SeBackupPrivilege 1020 WerFault.exe
Token: SeDebugPrivilege 1020 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4076 wrote to memory of 3896	4076	rundll32.exe	rundll32.exe
PID 4076 wrote to memory of 3896	4076	rundll32.exe	rundll32.exe
PID 4076 wrote to memory of 3896	4076	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mozglue.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4076

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mozglue.dll,#1
2⤵
PID:3896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 624
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1020

Network

MITRE ATT&CK Matrix

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Downloads

memory/3896-115-0x0000000000000000-mapping.dmp

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