c2972344c3a8411a8bccd927fee746207b185741bfdc815c19c157e49cb01f0d

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 14:49

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General

Target

Core.dll
Size

273KB
MD5

c82530e8af184d61372af0063addeaba
SHA1

e0ae7968c83c7bf14b7bb09d51ec03ca122138d2
SHA256

84ffae87ce9a8bf4dc7522fe0409014cc1c05a0bfebd5c1a6d60c728df9274e6
SHA512

72fe1f29ba403f2b251f8ab7cb34da546295364bb31dd1f26b45a18fecf2852f7bf50003e3f781e0f5bb82bbfb5553ca8904a7e15c163c1df59f0222a6f9192f
SSDEEP

6144:cVsSpqPxKq0O7jr+ANNCN1fnldHGK6NzDej:cVsyq0O7jnNNkfLHGKMej

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	2824	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2824	2776	rundll32.exe	31
PID 2776 wrote to memory of 2824	2776	rundll32.exe	31
PID 2776 wrote to memory of 2824	2776	rundll32.exe	31
PID 2776 wrote to memory of 2824	2776	rundll32.exe	31
PID 2776 wrote to memory of 2824	2776	rundll32.exe	31
PID 2776 wrote to memory of 2824	2776	rundll32.exe	31
PID 2776 wrote to memory of 2824	2776	rundll32.exe	31
PID 2824 wrote to memory of 2916	2824	rundll32.exe	32
PID 2824 wrote to memory of 2916	2824	rundll32.exe	32
PID 2824 wrote to memory of 2916	2824	rundll32.exe	32
PID 2824 wrote to memory of 2916	2824	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Core.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Core.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 224
    3⤵
    - Program crash
    PID:2916

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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