Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-01-2024 16:01
Static task
static1
Behavioral task
behavioral1
Sample
74ebc4f7d1faa17cffe70c1c370ca3c4.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
74ebc4f7d1faa17cffe70c1c370ca3c4.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/kaxgcem.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/kaxgcem.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win7-20231215-en
General
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Target
$PLUGINSDIR/nsisunz.dll
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Size
40KB
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MD5
5f13dbc378792f23e598079fc1e4422b
-
SHA1
5813c05802f15930aa860b8363af2b58426c8adf
-
SHA256
6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d
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SHA512
9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5
-
SSDEEP
384:KExN66Yf2xL5Q4IsjuUjUZfqRDpImexpf88FwHxXvjX3hwlHt6oIfESxSHoOO8n9:O2x64GcVpI3xC8ynToIf1SIOhW4
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2968 1728 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1664 wrote to memory of 1728 1664 rundll32.exe rundll32.exe PID 1664 wrote to memory of 1728 1664 rundll32.exe rundll32.exe PID 1664 wrote to memory of 1728 1664 rundll32.exe rundll32.exe PID 1664 wrote to memory of 1728 1664 rundll32.exe rundll32.exe PID 1664 wrote to memory of 1728 1664 rundll32.exe rundll32.exe PID 1664 wrote to memory of 1728 1664 rundll32.exe rundll32.exe PID 1664 wrote to memory of 1728 1664 rundll32.exe rundll32.exe PID 1728 wrote to memory of 2968 1728 rundll32.exe WerFault.exe PID 1728 wrote to memory of 2968 1728 rundll32.exe WerFault.exe PID 1728 wrote to memory of 2968 1728 rundll32.exe WerFault.exe PID 1728 wrote to memory of 2968 1728 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 2283⤵
- Program crash
PID:2968