2160a2fba2efc22751b82cebb9d4ce21dfe35782cfb21bbf512687f413b80e65

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 15:27

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General

Target

jy2091qep.dll
Size

18KB
MD5

a393df2af4708ff2592687ff4ee343b9
SHA1

19b5212fc5dbd673f7e4f78c52b6c0ea33121d85
SHA256

eea2ac27c7db126176b9cbf245328c9acb06665995f1212cc28792304ca3f6f5
SHA512

b960e1ad593a17d94cacec2ef4e30c1b17b69469e3f1a0b26d992dce1ef697078a466bd1bde5779373bae6ff5b35c39a13f818c03c4a3a3eacda051b44ea0491
SSDEEP

384:WkZm9ZV/dm0q96GA2P0ICNPBRJyCmyCtQV2djVh2:WkZaZVd/qSkQHDlV2djV

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4672	2984	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 behavior: EnumeratesProcesses 8 IoCs

pid	Process
2984	rundll32.exe
2984	rundll32.exe
2984	rundll32.exe
2984	rundll32.exe
2984	rundll32.exe
2984	rundll32.exe
2984	rundll32.exe
2984	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 2984	5008	rundll32.exe	83
PID 5008 wrote to memory of 2984	5008	rundll32.exe	83
PID 5008 wrote to memory of 2984	5008	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jy2091qep.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jy2091qep.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 752
    3⤵
    - Program crash
    PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2984 -ip 2984
1⤵
PID:3988

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

Replay Monitor

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Downloads

memory/2984-0-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2984-1-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download