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Overview
overview
3Static
static
1memz-trojan.zip
windows7-x64
1memz-trojan.zip
windows10-2004-x64
1MEMZ-maste...bin.py
windows7-x64
3MEMZ-maste...bin.py
windows10-2004-x64
3MEMZ-maste...bin.py
windows7-x64
3MEMZ-maste...bin.py
windows10-2004-x64
3MEMZ-maste...ata.py
windows7-x64
3MEMZ-maste...ata.py
windows10-2004-x64
3MEMZ-maste...bat.py
windows7-x64
3MEMZ-maste...bat.py
windows10-2004-x64
3Analysis
-
max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08/02/2023, 15:39
Static task
static1
Behavioral task
behavioral1
Sample
memz-trojan.zip
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
memz-trojan.zip
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
MEMZ-master/NyanMBR/Data/Image/png2bin.py
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
MEMZ-master/NyanMBR/Data/Image/png2bin.py
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
MEMZ-master/NyanMBR/Data/Song/midi2bin.py
Resource
win7-20221111-en
Behavioral task
behavioral6
Sample
MEMZ-master/NyanMBR/Data/Song/midi2bin.py
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
MEMZ-master/WindowsTrojan/Data/genData.py
Resource
win7-20220901-en
Behavioral task
behavioral8
Sample
MEMZ-master/WindowsTrojan/Data/genData.py
Resource
win10v2004-20220812-en
Behavioral task
behavioral9
Sample
MEMZ-master/WindowsTrojan/Source/exe2bat.py
Resource
win7-20221111-en
Behavioral task
behavioral10
Sample
MEMZ-master/WindowsTrojan/Source/exe2bat.py
Resource
win10v2004-20220812-en
General
-
Target
MEMZ-master/NyanMBR/Data/Image/png2bin.py
-
Size
1KB
-
MD5
6d6d94f38626dd058abc46f146cb7688
-
SHA1
cf726d65e5946f1767c57a8861c9636cc7dccbbd
-
SHA256
400047a3ebd0fd331a6049bb6d44bce3479a4f4a6c1fad120defc2426a3556f9
-
SHA512
a184a26df513bc5ca215bc2084ad660eb94ff4a0dcf916e15477442e199999b25b05ea97c3ccb7d07812ecb8ac682054b99b6dbc204e1745a65d1150a18d695f
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4260 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\MEMZ-master\NyanMBR\Data\Image\png2bin.py1⤵
- Modifies registry class
PID:4664
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4260