bf33857f46e56ea7930c1eea25c5f7175a6aaa3df36bf8301a785e6ca726a0b9

Analysis

max time kernel
149s
max time network
132s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
22/04/2026, 18:28

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General

Target
vcruntime140.dll
Size 88KB
Sample260422-w4e9aaas6x
SHA256 bf33857f46e56ea7930c1eea25c5f7175a6aaa3df36bf8301a785e6ca726a0b9
MD5 c33386a6e67be415a24d9c431ffd42ac
SHA1 f2f23860916471bdc332b3bd3e88deef64d4432b
SHA512 bc6d5e908bfaa7a35a8f2e01912412b9460604ea19fd27ee5c6f1a05eb0180a07bf7bc26d430326afc9b81d7f19fb1899e6245196a37710c3e5346d0bc2b4c98
SSDEEP 1536:EbiyVUrqIQsn1xtg6RxkkBGCGHDWbWXaecbGasQLvBrzU6LzNa:eiyLyt/xcRjWaXaecbGzurJBa
TLSH
T100937E5235E482B2DDAF04F0D97AEB076A3DA6900FF129F76B949949DE617C0D73020B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1556	1948	WerFault.exe	80

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 2180 wrote to memory of 1948	2180	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 448
    3⤵
    - Program crash
    PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1948 -ip 1948
1⤵
PID:2892

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

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Downloads

memory/1948-0-0x0000000000A40000-0x0000000000AFB000-memory.dmp

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