fa8064a6eca9a30e4525c9135d7ffb45a5d25dda297fa10f0e91bb721ea529f9

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06-08-2024 16:27

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General

Target

$PLUGINSDIR/jsis.dll
Size

127KB
MD5

2027121c3cdeb1a1f8a5f539d1fe2e28
SHA1

bcf79f49f8fc4c6049f33748ded21ec3471002c2
SHA256

1dae8b6de29f2cfc0745d9f2a245b9ecb77f2b272a5b43de1ba5971c43bf73a1
SHA512

5b0d9966ecc08bcc2c127b2bd916617b8de2dcbdc28aff7b4b8449a244983bfbe33c56f5c4a53b7cf21faf1dbab4bb845a5894492e7e10f3f517071f7a59727c
SSDEEP

3072:d3Zk9fOAewM0+W8NVH28fB948igEWo8P+fidax:d3qNOApM1G8fBpidWZ2

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2864	2820	WerFault.exe	30

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 2816 wrote to memory of 2820	2816	rundll32.exe	30
PID 2816 wrote to memory of 2820	2816	rundll32.exe	30
PID 2816 wrote to memory of 2820	2816	rundll32.exe	30
PID 2816 wrote to memory of 2820	2816	rundll32.exe	30
PID 2816 wrote to memory of 2820	2816	rundll32.exe	30
PID 2816 wrote to memory of 2820	2816	rundll32.exe	30
PID 2816 wrote to memory of 2820	2816	rundll32.exe	30
PID 2820 wrote to memory of 2864	2820	rundll32.exe	31
PID 2820 wrote to memory of 2864	2820	rundll32.exe	31
PID 2820 wrote to memory of 2864	2820	rundll32.exe	31
PID 2820 wrote to memory of 2864	2820	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jsis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jsis.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 232
    3⤵
    - Program crash
    PID:2864

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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