2309210f2738a199758633ad4f83895083c78b42660bfa5a2e9979f263556d70

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 15:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/jtbtjyt.dll
Size

158KB
MD5

50717a3c230f7e5d92695291df9541c1
SHA1

5fca1d6d65bff01d9bb8ac82f0fb696dcfa51b4b
SHA256

c96ed31b77fd2f24435c2b3c9aa65b46fe05070660d6ee053bc03a8c5e547d71
SHA512

8e8fbcdd400ece291021a5bcbf50b693f3e122e28930539577035fabe5ad2f1ee1965349208bb17a9015c42210c3d1a20fbdc7c10f922eb213bbfbf716d9218f
SSDEEP

3072:MIIm67adCMGlNPm61Fu5xL22+Lw5H8QD2iWNz:MICDl9mVxa2IPhiWN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2340	2324	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2324	2444	rundll32.exe	31
PID 2444 wrote to memory of 2324	2444	rundll32.exe	31
PID 2444 wrote to memory of 2324	2444	rundll32.exe	31
PID 2444 wrote to memory of 2324	2444	rundll32.exe	31
PID 2444 wrote to memory of 2324	2444	rundll32.exe	31
PID 2444 wrote to memory of 2324	2444	rundll32.exe	31
PID 2444 wrote to memory of 2324	2444	rundll32.exe	31
PID 2324 wrote to memory of 2340	2324	rundll32.exe	32
PID 2324 wrote to memory of 2340	2324	rundll32.exe	32
PID 2324 wrote to memory of 2340	2324	rundll32.exe	32
PID 2324 wrote to memory of 2340	2324	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jtbtjyt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jtbtjyt.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 220
    3⤵
    - Program crash
    PID:2340

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