938d44be10097f59babeea2b2a388e8f71d663c4c543bb2bd599463f0a8b593b

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 13:58

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General

Target

AddIn/VisLrc.dll
Size

157KB
MD5

2c3166ed03d35761549457ca1ed5fcdf
SHA1

cd5120872f95ab8b08b1a6d8a74fecb898a3d728
SHA256

fc49a13d94f4da894209f6503ba56ddaee21af92224e4a6260bc9a9dbe3813db
SHA512

8d54325d1957fd966be0db2bf7f92193bcf3528da394faa8f195752b03fe7df972cf01080ea3713daf7ce91b999eb2e4782aeb00d438685a6fb00cda15d0fad9
SSDEEP

3072:RJPHHXjS7Ip81RLIfPE9hYRYCkLzf8l/JHss4H:RJhpUXYzkL4QH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1816	1320	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 2536 wrote to memory of 1320	2536	rundll32.exe	30
PID 2536 wrote to memory of 1320	2536	rundll32.exe	30
PID 2536 wrote to memory of 1320	2536	rundll32.exe	30
PID 2536 wrote to memory of 1320	2536	rundll32.exe	30
PID 2536 wrote to memory of 1320	2536	rundll32.exe	30
PID 2536 wrote to memory of 1320	2536	rundll32.exe	30
PID 2536 wrote to memory of 1320	2536	rundll32.exe	30
PID 1320 wrote to memory of 1816	1320	rundll32.exe	31
PID 1320 wrote to memory of 1816	1320	rundll32.exe	31
PID 1320 wrote to memory of 1816	1320	rundll32.exe	31
PID 1320 wrote to memory of 1816	1320	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AddIn\VisLrc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AddIn\VisLrc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 228
    3⤵
    - Program crash
    PID:1816

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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