27784f24a8d0b693b96e57355c6eab3e56f2b6909cf74154393fdb6ee9ac6d17 | Triage

Analysis

max time kernel
19s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 18:37

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General

Target

冰封免费版(请关闭杀毒软件下载)/jx.dll
Size

652KB
MD5

4e1c140d96b8cd84cd378ae96b2f6b1e
SHA1

9441f2e1c20e5be9558ff36a8ca97659a8be230b
SHA256

c8bc513379447f5e18a19daf61c9c50189dc8f22bbdcd697ed1fa624cf89b193
SHA512

e6d69b2c5842fad80ad2e9d8013a5a474cc66eebebf30ca480bdd6a63737fff33cd87253089703df601f0801b422f657133a11c86a527bc986472aaf35fb1351
SSDEEP

12288:wKKfhCzb/8x2JDoLqhM4xv4YGqmDV37g+J:w5CPU21oLq24xArqmDV37bJ

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1544 1360 WerFault.exe rundll32.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

rundll32.exe

pid process

1360 rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 872 wrote to memory of 1360	872	rundll32.exe	rundll32.exe
PID 872 wrote to memory of 1360	872	rundll32.exe	rundll32.exe
PID 872 wrote to memory of 1360	872	rundll32.exe	rundll32.exe
PID 872 wrote to memory of 1360	872	rundll32.exe	rundll32.exe
PID 872 wrote to memory of 1360	872	rundll32.exe	rundll32.exe
PID 872 wrote to memory of 1360	872	rundll32.exe	rundll32.exe
PID 872 wrote to memory of 1360	872	rundll32.exe	rundll32.exe
PID 1360 wrote to memory of 1544	1360	rundll32.exe	WerFault.exe
PID 1360 wrote to memory of 1544	1360	rundll32.exe	WerFault.exe
PID 1360 wrote to memory of 1544	1360	rundll32.exe	WerFault.exe
PID 1360 wrote to memory of 1544	1360	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\冰封免费版(请关闭杀毒软件下载)\jx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\冰封免费版(请关闭杀毒软件下载)\jx.dll,#1
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 272
3⤵
- Program crash
PID:1544

MITRE ATT&CK Matrix

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Downloads

memory/1360-54-0x0000000000000000-mapping.dmp

Download
memory/1360-55-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

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memory/1544-56-0x0000000000000000-mapping.dmp

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