Analysis
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max time kernel
92s -
max time network
191s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
30/06/2024, 11:17
Static task
static1
Behavioral task
behavioral1
Sample
memreduct-3.4-setup.exe
Resource
win11-20240419-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/modern-header.bmp
Resource
win11-20240611-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/modern-wizard.bmp
Resource
win11-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20240611-en
Behavioral task
behavioral6
Sample
memreduct.exe
Resource
win11-20240611-en
Behavioral task
behavioral7
Sample
memreduct.exe.sig
Resource
win11-20240611-en
General
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Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
cff85c549d536f651d4fb8387f1976f2
-
SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
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SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
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SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
-
SSDEEP
192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4068 3812 WerFault.exe 77 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 468 wrote to memory of 3812 468 rundll32.exe 77 PID 468 wrote to memory of 3812 468 rundll32.exe 77 PID 468 wrote to memory of 3812 468 rundll32.exe 77
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:468 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:3812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 4603⤵
- Program crash
PID:4068
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3812 -ip 38121⤵PID:2712