b9cdc60586f0ba16468d7a4a62a30d4c745d283919ecc94b7a08eaa560def688

Analysis

max time kernel
1325s
max time network
1163s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 16:33

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General

Target

win32/symsrv.dll
Size

262KB
MD5

b3ea90ea6e9c99965389662f8db9dc8e
SHA1

412685767347f0cb4360787214b28038b1f38278
SHA256

254609ec81013a878306c710acfd258907e338c32eeb5fdddb561116dfa65d40
SHA512

b963d9dfe09db9c8e10ca91cf9504238f478f83bba5b9b5bc4910725fbf917a1af791e5fa8407d07e55589c8388c73cd0377405d03c88eeb5ba94a90dc5df827
SSDEEP

3072:mK+Zk16lasjUumChoTtckp/Ec3SYiAdCksr5CsHLz0hQTplZBXo8PrF5T681kO2y:Rbrdr3S/AdCkA57ghmlZ68rj6euk+hU

Score

3^/10

discovery

Malware Config

Signatures

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

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 212 wrote to memory of 1708	212	rundll32.exe	rundll32.exe
PID 212 wrote to memory of 1708	212	rundll32.exe	rundll32.exe
PID 212 wrote to memory of 1708	212	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\win32\symsrv.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:212

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\win32\symsrv.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:1708

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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