b2ad109c15eaa92079582787b7772ba0a2f034f7d075907ff87028df0eaea671

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/08/2026, 11:07

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
JKTool/msvcp100.dll
Size 411KB
Sample260820-m8f7psythw
SHA256 b2ad109c15eaa92079582787b7772ba0a2f034f7d075907ff87028df0eaea671
MD5 bc83108b18756547013ed443b8cdb31b
SHA1 79bcaad3714433e01c7f153b05b781f8d7cb318d
SHA512 6e72b2d40e47567b3e506be474dafa7cacd0b53cd2c2d160c3b5384f2f461fc91bb5fdb614a351f628d4e516b3bbdabc2cc6d4cb4710970146d2938a687dd011
SSDEEP 12288:Seb8zxr1aWPaHX7dGP5frhUgiW6QR7t5qv3Ooc8UHkC2e7wx:Seb8Fpa6aHX7dGP5Gv3Ooc8UHkC2ekx
TLSH
T1559428237A4649F5E1D223F46289932143F9FCA40721B3C3A2EFE1A99F583D56A33951
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1916	2872	WerFault.exe	83

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 4916 wrote to memory of 2872	4916	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\msvcp100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\msvcp100.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 604
    3⤵
    - Program crash
    PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2872 -ip 2872
1⤵
PID:1852

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

Replay Monitor

Loading Replay Monitor...

Downloads