27f189120b24ae77cc828653c93a89525994b9adf21c8fc55800469c562611d9

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2025 02:58

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General

Target

ISCmplr.dll
Size

654.4MB
MD5

0388fe30094d401f387bfc5c4356d770
SHA1

46e192248ab0d13ebae023138681036ce77c445c
SHA256

9610bc6f0249cdc5a0e2f651122a0eebd9393284e2ad2cfbf3a5ff294a0acdc8
SHA512

d3d96ee0f3024e3b4a1b1853c568197f4b55921ac77e3e2774629af9cb0ddfc4b1c2f53ba534217fdea7d6c81aaa58958d3d03d0da46c61dce840ae19dfc2ccb
SSDEEP

24576:qvpC+m5gcRqRhfZJbeijupnY88z7XcjOROJo:AkHg90tn8z0OROO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2932	3984	WerFault.exe	85

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 3 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 3984	2872	rundll32.exe	85
PID 2872 wrote to memory of 3984	2872	rundll32.exe	85
PID 2872 wrote to memory of 3984	2872	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ISCmplr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ISCmplr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 596
    3⤵
    - Program crash
    PID:2932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3984 -ip 3984
1⤵
PID:4988

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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