3bfd2e503020274ee74f3d2015317fd549acc64eb760afa07c0bac637a3110dd

Analysis

max time kernel
93s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 12:16

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General

Target

External/ComponentsExt/api-ms-win-crt-heap-l1-1-0.dll
Size

18KB
MD5

93d3da06bf894f4fa21007bee06b5e7d
SHA1

1e47230a7ebcfaf643087a1929a385e0d554ad15
SHA256

f5cf623ba14b017af4aec6c15eee446c647ab6d2a5dee9d6975adc69994a113d
SHA512

72bd6d46a464de74a8dac4c346c52d068116910587b1c7b97978df888925216958ce77be1ae049c3dccf5bf3fffb21bc41a0ac329622bc9bbc190df63abb25c6
SSDEEP

192:+Y3vY17aFBR4WIghWG4U9CedXe123Ouo+Uggs/nGfe4pBjSbGGAPWh0txKdmVWQC:+Y3e9WPhWFsXYi00GftpBjfemnlP55s

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1644	456	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4480 wrote to memory of 456	4480	rundll32.exe	83
PID 4480 wrote to memory of 456	4480	rundll32.exe	83
PID 4480 wrote to memory of 456	4480	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\External\ComponentsExt\api-ms-win-crt-heap-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\External\ComponentsExt\api-ms-win-crt-heap-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 608
    3⤵
    - Program crash
    PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 456 -ip 456
1⤵
PID:2176

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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