Analysis
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max time kernel
133s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
05-05-2024 07:39
Static task
static1
Behavioral task
behavioral1
Sample
16a64af97e30f0a7032916bb49584745_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
16a64af97e30f0a7032916bb49584745_JaffaCakes118.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/kkss.dll
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/kkss.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20240419-en
General
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Target
$PLUGINSDIR/nsisunz.dll
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Size
40KB
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MD5
5f13dbc378792f23e598079fc1e4422b
-
SHA1
5813c05802f15930aa860b8363af2b58426c8adf
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SHA256
6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d
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SHA512
9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5
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SSDEEP
384:KExN66Yf2xL5Q4IsjuUjUZfqRDpImexpf88FwHxXvjX3hwlHt6oIfESxSHoOO8n9:O2x64GcVpI3xC8ynToIf1SIOhW4
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 3076 1112 WerFault.exe 83 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4604 wrote to memory of 1112 4604 rundll32.exe 83 PID 4604 wrote to memory of 1112 4604 rundll32.exe 83 PID 4604 wrote to memory of 1112 4604 rundll32.exe 83
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:4604 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#12⤵PID:1112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 6003⤵
- Program crash
PID:3076
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1112 -ip 11121⤵PID:4628