956da20c95f0598f549c766667f08fb0e09d8b299073ecf649dbaef1aec81959

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
27/05/2026, 17:44

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General

Target
$PLUGINSDIR/KKNsisBase.dll
Size 577KB
Sample260527-wbfpcaew7n
SHA256 956da20c95f0598f549c766667f08fb0e09d8b299073ecf649dbaef1aec81959
MD5 a859bda135e3e83af70fa024fd7e3826
SHA1 44bb458eba3ab6b1bb6f3e7bc4d88e5d03616919
SHA512 299345bc02aef8abc1e4e0e3552ff629a471dc43dc4ed62ffab9b8013513eb66941a9193886a7d2b68529224eed956733a7c16b2abbf9fef118ef98d10a672c9
SSDEEP 6144:gAPHYo66isCEds8yUCn8XrdXs2zbB6JnJjArsPnz3DYfmMPoOE6AOowSAvCa:BYo6FyaUC0BXhzb8mwPnLMBCna
TLSH
T101C46C02F59181B6E5BE52F0467A6A7DACFCBC259B3005D797C02E1ED1305D2F73AA22
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1132	4780	WerFault.exe	87

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 1 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 4780	1400	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KKNsisBase.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KKNsisBase.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 632
    3⤵
    - Program crash
    PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4780 -ip 4780
1⤵
PID:3740

Network

MITRE ATT&CK Enterprise v16

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 v16

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