Overview
overview
10Static
static
3RtlExUpdt.dll
windows7-x64
1RtlExUpdt.dll
windows10-2004-x64
1WMSysPr6.js
windows7-x64
1WMSysPr6.js
windows10-2004-x64
1svchost.exe
windows7-x64
6svchost.exe
windows10-2004-x64
6windows.dll
windows7-x64
3windows.dll
windows10-2004-x64
3winhelp.bat
windows7-x64
1winhelp.bat
windows10-2004-x64
1winhlp32.cmd
windows7-x64
10winhlp32.cmd
windows10-2004-x64
10Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
12/02/2024, 23:28
Static task
static1
Behavioral task
behavioral1
Sample
RtlExUpdt.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
RtlExUpdt.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
WMSysPr6.js
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
WMSysPr6.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
svchost.exe
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
svchost.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
windows.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
windows.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
winhelp.bat
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
winhelp.bat
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
winhlp32.cmd
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
winhlp32.cmd
Resource
win10v2004-20231215-en
General
-
Target
windows.dll
-
Size
30KB
-
MD5
62456b6cbdb93b6f1458469d90c57e2c
-
SHA1
aee316ef1f6e14e839dd3ce4ef6e4dcd0dacc4c9
-
SHA256
445d74478a92117eb400ea0c41e8a90f91e44401b1b28536cd5bb8087572ed3f
-
SHA512
29331e7da090c9824d67db0a7c62099f3ca97e927d7ffda51237d785dadaf6c21875e98c6e404bb1f9a91382857fcd3ca57c504dc5fb5e5f6f9019cf3fcc732f
-
SSDEEP
384:klI3/3KtV9iTPyYpdj0MzM9vhI9o0dXVFxcnLsL4lVWHJ78eQVHuGkV3sh2XjtCo:0IStEp+qlXdca4lUJ74u1VcsXRnZuK
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2216 2544 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2028 wrote to memory of 2544 2028 rundll32.exe 28 PID 2028 wrote to memory of 2544 2028 rundll32.exe 28 PID 2028 wrote to memory of 2544 2028 rundll32.exe 28 PID 2028 wrote to memory of 2544 2028 rundll32.exe 28 PID 2028 wrote to memory of 2544 2028 rundll32.exe 28 PID 2028 wrote to memory of 2544 2028 rundll32.exe 28 PID 2028 wrote to memory of 2544 2028 rundll32.exe 28 PID 2544 wrote to memory of 2216 2544 rundll32.exe 29 PID 2544 wrote to memory of 2216 2544 rundll32.exe 29 PID 2544 wrote to memory of 2216 2544 rundll32.exe 29 PID 2544 wrote to memory of 2216 2544 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\windows.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\windows.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 2283⤵
- Program crash
PID:2216
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