96e88d1036ca08dd8e3d7ef5222c5dca5ffd2b00e6e3dd69e7027ee1a8edc08e | Triage

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 14:35

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General

Target

4.2版不限速下载修GC/lua53.dll
Size

213KB
MD5

977ae7186da6ea5cdecb2b125bb0a68a
SHA1

a5fca7cee9ae41a4254075eec32046e40761f4f4
SHA256

2b111762ce61df2732dce97d9de2dd18d6bf1924274a183fd681f1d585f0ca19
SHA512

258e0b3820f0343e63e685c185e2dfb8fc0c8ab7749c4fd3f44f439fd38e2c2d197181a13367c519b86ba9b1a21c94b56b218a847222ebf633772e0aee55de94
SSDEEP

6144:FvKKM0YZ7M0NcCQaXEkXiFeZL7AdY2yBcnhS:JhnOM0vQaXEkFKHQcnhS

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral11/memory/3008-1-0x0000000074ED0000-0x0000000074F47000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2092	3008	WerFault.exe	14

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 3008	1988	rundll32.exe	14
PID 1988 wrote to memory of 3008	1988	rundll32.exe	14
PID 1988 wrote to memory of 3008	1988	rundll32.exe	14
PID 1988 wrote to memory of 3008	1988	rundll32.exe	14
PID 1988 wrote to memory of 3008	1988	rundll32.exe	14
PID 1988 wrote to memory of 3008	1988	rundll32.exe	14
PID 1988 wrote to memory of 3008	1988	rundll32.exe	14
PID 3008 wrote to memory of 2092	3008	rundll32.exe	15
PID 3008 wrote to memory of 2092	3008	rundll32.exe	15
PID 3008 wrote to memory of 2092	3008	rundll32.exe	15
PID 3008 wrote to memory of 2092	3008	rundll32.exe	15

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4.2版不限速下载修GC\lua53.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 220
  2⤵
  - Program crash
  PID:2092

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4.2版不限速下载修GC\lua53.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3008-2-0x0000000074F50000-0x0000000074FC7000-memory.dmp

Filesize
476KB

Download
memory/3008-1-0x0000000074ED0000-0x0000000074F47000-memory.dmp

Filesize
476KB

Download
memory/3008-0-0x0000000074F50000-0x0000000074FC7000-memory.dmp

Filesize
476KB

Download
memory/3008-5-0x0000000074F50000-0x0000000074FC7000-memory.dmp

Filesize
476KB

Download