5bdc0f75a9f85a09d9e656d5a9b2ddc21022ca78800545662a46b55a6f3e4200

Analysis

max time kernel
119s
max time network
124s
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】/lua51.dll
Size

175KB
MD5

80927598edb56e96158a8a4937c30b63
SHA1

88a115b8539d931af6f44fa28e8771574d6e97ad
SHA256

85d5383ba42c0b8ad8af1b13bacb643fdb080f9c589c04ecee1311f67ee5dcb9
SHA512

9f75162be574052931c39aae7b1afb879a1789e65eca54323bc5f52164e87f14e673d6504a9581c0bfd8b6f9fa0d6c1a066edf5fe71045349856cae237653b71
SSDEEP

3072:0fQMnFKKe6xC2igr9ZH0R2yQs7lWk8+OH5W1kjs7MnkVOMP3UZv6/D006/Zw:VwVfzI2TJH5W1kjKVOW32v2D006/

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral21/memory/2688-1-0x0000000074DF0000-0x0000000074E4B000-memory.dmp	upx
behavioral21/memory/2688-3-0x0000000074DF0000-0x0000000074E4B000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2780	2688	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 2372 wrote to memory of 2688	2372	rundll32.exe	31
PID 2372 wrote to memory of 2688	2372	rundll32.exe	31
PID 2372 wrote to memory of 2688	2372	rundll32.exe	31
PID 2372 wrote to memory of 2688	2372	rundll32.exe	31
PID 2372 wrote to memory of 2688	2372	rundll32.exe	31
PID 2372 wrote to memory of 2688	2372	rundll32.exe	31
PID 2372 wrote to memory of 2688	2372	rundll32.exe	31
PID 2688 wrote to memory of 2780	2688	rundll32.exe	32
PID 2688 wrote to memory of 2780	2688	rundll32.exe	32
PID 2688 wrote to memory of 2780	2688	rundll32.exe	32
PID 2688 wrote to memory of 2780	2688	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\【GM工具】\lua51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\【GM工具】\lua51.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 220
    3⤵
    - Program crash
    PID:2780

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

Replay Monitor

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Downloads

memory/2688-0-0x0000000074E50000-0x0000000074EAB000-memory.dmp

Filesize
364KB

Download
memory/2688-2-0x0000000074E50000-0x0000000074EAB000-memory.dmp

Filesize
364KB

Download
memory/2688-1-0x0000000074DF0000-0x0000000074E4B000-memory.dmp

Filesize
364KB

Download
memory/2688-3-0x0000000074DF0000-0x0000000074E4B000-memory.dmp

Filesize
364KB

Download