04c9a8ab43d1eb616b84d0686c8ae1d881ef03fe4f3aa26511e5b19d35ef16af | Triage

Analysis

max time kernel
149s
max time network
152s
platform
windows10_x64
resource
win10-en-20210920
submitted
26-09-2021 16:25

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General

Target

jna4751840382602025308.dll
Size

203KB
MD5

28d895a3cb7e9a0b6a5ae5ed6a62b254
SHA1

703d8604a8d04d29c52c0ebcde1e86f3bc8ff824
SHA256

04c9a8ab43d1eb616b84d0686c8ae1d881ef03fe4f3aa26511e5b19d35ef16af
SHA512

c917334ba893313f6062143a25187a313a973b41696c8e446d4d90f7483963f5134cafe65c86b212815981a9af27b1ada7feb2c9194a3b234c5817fb54d4e531

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2632 2180 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

WerFault.exe

pid	process
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe
2632	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2632 WerFault.exe
Token: SeBackupPrivilege 2632 WerFault.exe
Token: SeDebugPrivilege 2632 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2116 wrote to memory of 2180	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 2180	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 2180	2116	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jna4751840382602025308.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jna4751840382602025308.dll,#1
2⤵
PID:2180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 624
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2632

MITRE ATT&CK Matrix

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Downloads

memory/2180-115-0x0000000000000000-mapping.dmp

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