Analysis
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max time kernel
118s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 00:58
Static task
static1
Behavioral task
behavioral1
Sample
6937929b0e18a81b0469eecc8eee8175_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
6937929b0e18a81b0469eecc8eee8175_JaffaCakes118.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/bvc.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/bvc.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20240426-en
General
-
Target
$PLUGINSDIR/nsisunz.dll
-
Size
40KB
-
MD5
5f13dbc378792f23e598079fc1e4422b
-
SHA1
5813c05802f15930aa860b8363af2b58426c8adf
-
SHA256
6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d
-
SHA512
9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5
-
SSDEEP
384:KExN66Yf2xL5Q4IsjuUjUZfqRDpImexpf88FwHxXvjX3hwlHt6oIfESxSHoOO8n9:O2x64GcVpI3xC8ynToIf1SIOhW4
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2996 2992 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2884 wrote to memory of 2992 2884 rundll32.exe rundll32.exe PID 2884 wrote to memory of 2992 2884 rundll32.exe rundll32.exe PID 2884 wrote to memory of 2992 2884 rundll32.exe rundll32.exe PID 2884 wrote to memory of 2992 2884 rundll32.exe rundll32.exe PID 2884 wrote to memory of 2992 2884 rundll32.exe rundll32.exe PID 2884 wrote to memory of 2992 2884 rundll32.exe rundll32.exe PID 2884 wrote to memory of 2992 2884 rundll32.exe rundll32.exe PID 2992 wrote to memory of 2996 2992 rundll32.exe WerFault.exe PID 2992 wrote to memory of 2996 2992 rundll32.exe WerFault.exe PID 2992 wrote to memory of 2996 2992 rundll32.exe WerFault.exe PID 2992 wrote to memory of 2996 2992 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:2884 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 2243⤵
- Program crash
PID:2996