b58ea9bb8dd69dd81aab6c75466487b9f0e23c5f5c473d22bc7bffa5ef9cfbed

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/11/2024, 10:48 UTC

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General

Target

$PLUGINSDIR/K8NsisExtend.dll
Size

232KB
MD5

c65f6245d1103e97e87ac3108d920d4d
SHA1

c5519d1137d6b94de28f62bba9442b9fd956f340
SHA256

c1ea3139cf606f73bc922fdedfb48624aab787661adf6159f86925a2150b06ca
SHA512

76da042211f2bc1bba233031690018d967efa9ef567ee8b8fd7fc4931f95c9e27209c42d9a56bf0b773374557918816ba1580895a50bbcc2c1e7e15962256b3c
SSDEEP

3072:TFiGaWvlNss4dHseo/vyNl12cqc53TARnQbPZUcYb3G11S9ltJ2KtjnRem1m3:TFikstdc/q312cqmAibacdIESet3

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2296	2636	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 2724 wrote to memory of 2636	2724	rundll32.exe	31
PID 2724 wrote to memory of 2636	2724	rundll32.exe	31
PID 2724 wrote to memory of 2636	2724	rundll32.exe	31
PID 2724 wrote to memory of 2636	2724	rundll32.exe	31
PID 2724 wrote to memory of 2636	2724	rundll32.exe	31
PID 2724 wrote to memory of 2636	2724	rundll32.exe	31
PID 2724 wrote to memory of 2636	2724	rundll32.exe	31
PID 2636 wrote to memory of 2296	2636	rundll32.exe	32
PID 2636 wrote to memory of 2296	2636	rundll32.exe	32
PID 2636 wrote to memory of 2296	2636	rundll32.exe	32
PID 2636 wrote to memory of 2296	2636	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\K8NsisExtend.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\K8NsisExtend.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 240
    3⤵
    - Program crash
    PID:2296

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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