Analysis
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max time kernel
134s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 20:46
Static task
static1
Behavioral task
behavioral1
Sample
21a9243b199f7ad645290e6b40346717_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
21a9243b199f7ad645290e6b40346717_JaffaCakes118.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/fvrde.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/fvrde.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
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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 668 8 WerFault.exe 83 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4784 wrote to memory of 8 4784 rundll32.exe 83 PID 4784 wrote to memory of 8 4784 rundll32.exe 83 PID 4784 wrote to memory of 8 4784 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:4784 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#12⤵PID:8
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 6003⤵
- Program crash
PID:668
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 8 -ip 81⤵PID:1212