aed75d9f4ffee0b349c79e989c239bb7dd5efc0d646a3e70cb620c8c211f407a

Analysis

max time kernel
316s
max time network
340s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2022 01:58

Target

Emotet.dll
Size

172KB
MD5

b85c74d71a213eab8a7bc5bc73a2c4d5
SHA1

9223309bb4ca102f46b528bf0b9d1469fe1353c3
SHA256

aed75d9f4ffee0b349c79e989c239bb7dd5efc0d646a3e70cb620c8c211f407a
SHA512

86d830f66c39b04d59e1a84e4b0751eb003bc115db2a97caa465f9ff65e68248bf549dea055437da945298ad450d2db821f1da5558da6eb49e54bd4ab2bf9cf6
SSDEEP

3072:EWva8QFJNl1ZU5PWReEjPN+Ehj/VE8PuWXsPAA6HH9s55M:EC12jl4wcAj5/VPXsPAAvQ

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4756 3380 WerFault.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

480 rundll32.exe
480 rundll32.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

480 rundll32.exe

pid	pid_target	process	target process
4756	3380	WerFault.exe

pid	process
480	rundll32.exe
480	rundll32.exe

pid	process
480	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 480 wrote to memory of 1632	480	rundll32.exe	regsvr32.exe
PID 480 wrote to memory of 1632	480	rundll32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VyTcYdYoEj\yGbs.dll"
2⤵
PID:1632

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 476 -p 3380 -ip 3380
1⤵
PID:4744

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3380 -s 2368
1⤵
- Program crash
PID:4756

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact