c64ea4c1784bd5580e8a53668d13945af776f7a3f34a51157ec677ca1f399936

Analysis

max time kernel
94s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-08-2024 19:31

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General

Target

rc7BYFRON/memcheck(1).dll
Size

70KB
MD5

d0aed298460a16c1b587875d411b0b4a
SHA1

f542c3c3bd06c27c70c469bcced845863b10114d
SHA256

e4e19790be03a782497d9ca11f74010b6a016127de984c7cb67a9ac2d04bdfb6
SHA512

d73bbbe77b3caf43696c1685fc89c4d0ac2f0d6e11e6d0161943a2116073cd510f5349c369e51b748ce32c07047a0308960073e5d368acc882a7397398260c92
SSDEEP

1536:pWAlQqfkspI8SZ/b61s0onHsgQXKZsW9QrcdKNZhn6YGxHu:pWypI8w/b6OpMgaKpQ6Kjhn6lO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1452	2436	WerFault.exe	84

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 316 wrote to memory of 2436	316	rundll32.exe	84
PID 316 wrote to memory of 2436	316	rundll32.exe	84
PID 316 wrote to memory of 2436	316	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rc7BYFRON\memcheck(1).dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\rc7BYFRON\memcheck(1).dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 604
    3⤵
    - Program crash
    PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2436 -ip 2436
1⤵
PID:4460

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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