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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03/07/2024, 03:32
Static task
static1
Behavioral task
behavioral1
Sample
20f0a42038c18b65e3f7d2e32c965681_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
20f0a42038c18b65e3f7d2e32c965681_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloadmr.exe
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/downloadmr.exe
Resource
win10v2004-20240508-en
General
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Target
$PLUGINSDIR/System.dll
-
Size
21KB
-
MD5
5ebc73650256e9c8ddbcda231db829a1
-
SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5
-
SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493
-
SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270
-
SSDEEP
384:BdnVZA7eabl9fgEdsPhh20WwrHIbeocXX2LJQxMhqyWCqhcZPFv:7ucksPzDWAorcAQxMAyW4
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2812 1524 WerFault.exe 81 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4112 wrote to memory of 1524 4112 rundll32.exe 81 PID 4112 wrote to memory of 1524 4112 rundll32.exe 81 PID 4112 wrote to memory of 1524 4112 rundll32.exe 81
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:1524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 6123⤵
- Program crash
PID:2812
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1524 -ip 15241⤵PID:4836