8eec28a851afa1401a4e559ebf54eaca36e2cdee4c2f09f03be3d2b8c9183a3f

Analysis

max time kernel
94s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 23:00

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General

Target

jymsgr.dll
Size

1.1MB
MD5

721f1c0a95b3418ba05f9a8d26bb1661
SHA1

d55914fd5a9670c7d76d944b5c4e388fbe008466
SHA256

f96c134c88361bfc622ad3806e71dedfd3fa49fc777fd24669ae0ee475372a27
SHA512

5e52500653dee3b39172fadf8f59091583979fee00e61806e0e9725c08542207803842b29a95cf646192729d5f9368f5b3657a1ea5d2ab6828c39c46eb085840
SSDEEP

24576:0E1K3LNxbM8aeErlXY7YbvD/umHsK56BenKjoWcyTLh8nwIs:xwnbklXiYbrGmHsnQna6yBys

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1788	4996	WerFault.exe	83

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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 4996	2352	rundll32.exe	83
PID 2352 wrote to memory of 4996	2352	rundll32.exe	83
PID 2352 wrote to memory of 4996	2352	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jymsgr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jymsgr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 680
    3⤵
    - Program crash
    PID:1788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4996 -ip 4996
1⤵
PID:264

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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