5bdc0f75a9f85a09d9e656d5a9b2ddc21022ca78800545662a46b55a6f3e4200

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-10-2024 20:12

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General

Target

【GM工具】/msvcr100.dll
Size

750KB
MD5

a2fd450fd44d9b8ccd74acaeaa9957d1
SHA1

6dcd17042e9cd0ac6fffc2bec8248e0367245595
SHA256

a21022d0b096ee9fc07ef256babb7f96b21c0ff1e2d31f01ac35b19f0dd53108
SHA512

aa080419735bffdd428ef619bd2b038e749e4349bc3e2aa7ac971c6d260cea9f154bbe15d824cb344f2d454798b5583ff8139d6269ee12dafd99da97f6ae3be3
SSDEEP

12288:yQmCy3NeRjkpQmj3oaMtQqjoygfXq3kon9IlbgaOxQdVJJ6j5EBKX8ha:LmCy3VQs9MtLjTgfa3kon9FaOdEc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1720	2000	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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2888 wrote to memory of 2000	2888	rundll32.exe	31
PID 2888 wrote to memory of 2000	2888	rundll32.exe	31
PID 2888 wrote to memory of 2000	2888	rundll32.exe	31
PID 2888 wrote to memory of 2000	2888	rundll32.exe	31
PID 2888 wrote to memory of 2000	2888	rundll32.exe	31
PID 2888 wrote to memory of 2000	2888	rundll32.exe	31
PID 2888 wrote to memory of 2000	2888	rundll32.exe	31
PID 2000 wrote to memory of 1720	2000	rundll32.exe	32
PID 2000 wrote to memory of 1720	2000	rundll32.exe	32
PID 2000 wrote to memory of 1720	2000	rundll32.exe	32
PID 2000 wrote to memory of 1720	2000	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\【GM工具】\msvcr100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\【GM工具】\msvcr100.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 220
    3⤵
    - Program crash
    PID:1720

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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