1934087948e7c56954803942c7d347d6ab49b806c24e49e800c462a79c37283a

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06-08-2024 08:26

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General

Target

$PLUGINSDIR/ExecDos.dll
Size

5KB
MD5

ebcf9f71d804abab3c2e5ce4c17dc22e
SHA1

17d13084e75cbfa5fbfdd0025e9a0ee5772ae765
SHA256

d387b725afbd2a6f9b44999278d21025fae55b391e45f7751b88dfb13511a993
SHA512

5576396c2d885c039668d7f401eeee583eb4de39e8497c3aaec32d47f4417a522fe6786c111d50a5fba7570f50e84144ef3a8aea42677d170e79114343c3a4a1
SSDEEP

48:qNpugCjmWaZ+rnHAUiP9JLw/RHFtly5vorpSpSi7+5HCAx31Oglt6Zlrz9QH96AD:r0W1nHAfPPORHnooAU3xYglt6WwE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2488 2300 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
2488	2300	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 2172 wrote to memory of 2300	2172	rundll32.exe	rundll32.exe
PID 2172 wrote to memory of 2300	2172	rundll32.exe	rundll32.exe
PID 2172 wrote to memory of 2300	2172	rundll32.exe	rundll32.exe
PID 2172 wrote to memory of 2300	2172	rundll32.exe	rundll32.exe
PID 2172 wrote to memory of 2300	2172	rundll32.exe	rundll32.exe
PID 2172 wrote to memory of 2300	2172	rundll32.exe	rundll32.exe
PID 2172 wrote to memory of 2300	2172	rundll32.exe	rundll32.exe
PID 2300 wrote to memory of 2488	2300	rundll32.exe	WerFault.exe
PID 2300 wrote to memory of 2488	2300	rundll32.exe	WerFault.exe
PID 2300 wrote to memory of 2488	2300	rundll32.exe	WerFault.exe
PID 2300 wrote to memory of 2488	2300	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ExecDos.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ExecDos.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 220
3⤵
- Program crash
PID:2488

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

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