99541ab28fc3328e25723607df4b0d9ea0a1af31b58e2da07eff9f15c4e6565c | Triage

Analysis

max time kernel
160s
max time network
176s
platform
windows10_x64
resource
win10-en-20211208
submitted
29-01-2022 04:29

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General

Target

99541ab28fc3328e25723607df4b0d9ea0a1af31b58e2da07eff9f15c4e6565c.dll
Size

185KB
MD5

cc5c5b2f2fd8af07824ae3b42f3b1a37
SHA1

31e4bf4a4ac684386709cd27e00491784e5564c4
SHA256

99541ab28fc3328e25723607df4b0d9ea0a1af31b58e2da07eff9f15c4e6565c
SHA512

a1b840bd1a4bc27a59e43619775374641887eae5486df6d76c2b3a541cb1dd6e9cd23d1e5d500e2d66d5e6da8aabe53be7f3ea5db8b22f7cf5c0afddcc05d399

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

504 1164 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe
504	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 504 WerFault.exe
Token: SeBackupPrivilege 504 WerFault.exe
Token: SeDebugPrivilege 504 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 612 wrote to memory of 1164	612	rundll32.exe	rundll32.exe
PID 612 wrote to memory of 1164	612	rundll32.exe	rundll32.exe
PID 612 wrote to memory of 1164	612	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99541ab28fc3328e25723607df4b0d9ea0a1af31b58e2da07eff9f15c4e6565c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:612

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99541ab28fc3328e25723607df4b0d9ea0a1af31b58e2da07eff9f15c4e6565c.dll,#1
2⤵
PID:1164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 660
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:504

Network

MITRE ATT&CK Matrix

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