aa8ff4d4c4505f9245ae995be2fee8f6a78b1167126e613490e1c22549bdf142

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10-08-2024 04:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/shell_downloader.dll
Size

2.2MB
MD5

30c4aa9356d60d2039ed6bfb7850c4c1
SHA1

ef23c32dab6ed871527151932bbfe8b917d507af
SHA256

0c4abb66d9a69c80cfaa0eb3c988d4dc40d989843a87e95ed3cc6e75dae31559
SHA512

f425c9fcefd2ed55160d173b8e441f7867307fd006b0f01a655120ba150d87568ddc6266d36163267ce508df8147a97c16982093808c766051ca1e02ba9cc62b
SSDEEP

49152:6oiR6tzluS2KbICD13Nw2FiBLROWnhJV:6oiR+zDhbB19w+i1ROW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

832 1044 WerFault.exe rundll32.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
832	1044	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1712 wrote to memory of 1044	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1044	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1044	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1044	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1044	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1044	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1044	1712	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 832	1044	rundll32.exe	WerFault.exe
PID 1044 wrote to memory of 832	1044	rundll32.exe	WerFault.exe
PID 1044 wrote to memory of 832	1044	rundll32.exe	WerFault.exe
PID 1044 wrote to memory of 832	1044	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 252
3⤵
- Program crash
PID:832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads