Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
05/04/2024, 13:49
Static task
static1
Behavioral task
behavioral1
Sample
memreduct-3.3.5-setup.exe
Resource
win11-20240214-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240319-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20240221-en
Behavioral task
behavioral4
Sample
memreduct.exe
Resource
win11-20240221-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
75ed96254fbf894e42058062b4b4f0d1
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SHA1
996503f1383b49021eb3427bc28d13b5bbd11977
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SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
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SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4
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SSDEEP
192:X24sihno0bW+l97H4GB7QDs91kMtwtobTr4u+QHbazMNHT7dmNIEr:m8vJl97JeoxtN/r3z7YV
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2056 1420 WerFault.exe 80 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1168 wrote to memory of 1420 1168 rundll32.exe 80 PID 1168 wrote to memory of 1420 1168 rundll32.exe 80 PID 1168 wrote to memory of 1420 1168 rundll32.exe 80
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:1168 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:1420
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 4603⤵
- Program crash
PID:2056
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1420 -ip 14201⤵PID:3304