Overview
overview
7Static
static
3MultiMC.zip
windows10-2004-x64
1MultiMC/MultiMC.exe
windows10-2004-x64
7MultiMC/Qt5Core.dll
windows10-2004-x64
3MultiMC/Qt5Gui.dll
windows10-2004-x64
3MultiMC/Qt...rk.dll
windows10-2004-x64
3MultiMC/Qt5Svg.dll
windows10-2004-x64
3MultiMC/Qt...ts.dll
windows10-2004-x64
3MultiMC/Qt5Xml.dll
windows10-2004-x64
3MultiMC/ic...on.dll
windows10-2004-x64
1MultiMC/im...if.dll
windows10-2004-x64
1MultiMC/im...ns.dll
windows10-2004-x64
1MultiMC/im...co.dll
windows10-2004-x64
1MultiMC/im...eg.dll
windows10-2004-x64
1MultiMC/im...vg.dll
windows10-2004-x64
1MultiMC/im...mp.dll
windows10-2004-x64
1MultiMC/ja...ck.jar
windows10-2004-x64
7MultiMC/ja...ch.jar
windows10-2004-x64
7MultiMC/li...ix.dll
windows10-2004-x64
MultiMC/li...++.dll
windows10-2004-x64
3MultiMC/li....dll.a
windows10-2004-x64
3MultiMC/li...ip.dll
windows10-2004-x64
3MultiMC/li...ow.dll
windows10-2004-x64
3MultiMC/libeay32.dll
windows10-2004-x64
1MultiMC/li...-1.dll
windows10-2004-x64
3MultiMC/libssp-0.dll
windows10-2004-x64
3MultiMC/multimc.cfg
windows10-2004-x64
3MultiMC/no...s.json
windows10-2004-x64
3MultiMC/qt.conf
windows10-2004-x64
3MultiMC/th...e.json
windows10-2004-x64
3MultiMC/th...le.css
windows10-2004-x64
7MultiMC/tr...2.json
windows10-2004-x64
3MultiMC/tr..._UY.qm
windows10-2004-x64
3Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
26-04-2024 19:06
Static task
static1
Behavioral task
behavioral1
Sample
MultiMC.zip
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
MultiMC/MultiMC.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
MultiMC/Qt5Core.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral4
Sample
MultiMC/Qt5Gui.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
MultiMC/Qt5Network.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral6
Sample
MultiMC/Qt5Svg.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
MultiMC/Qt5Widgets.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral8
Sample
MultiMC/Qt5Xml.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
MultiMC/iconengines/qsvgicon.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral10
Sample
MultiMC/imageformats/qgif.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
MultiMC/imageformats/qicns.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral12
Sample
MultiMC/imageformats/qico.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
MultiMC/imageformats/qjpeg.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral14
Sample
MultiMC/imageformats/qsvg.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral15
Sample
MultiMC/imageformats/qwbmp.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral16
Sample
MultiMC/jars/JavaCheck.jar
Resource
win10v2004-20240419-en
Behavioral task
behavioral17
Sample
MultiMC/jars/NewLaunch.jar
Resource
win10v2004-20240419-en
Behavioral task
behavioral18
Sample
MultiMC/libLauncher_iconfix.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral19
Sample
MultiMC/libLauncher_nbt++.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral20
Sample
MultiMC/libLauncher_nbt++.dll.a
Resource
win10v2004-20240426-en
Behavioral task
behavioral21
Sample
MultiMC/libLauncher_quazip.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral22
Sample
MultiMC/libLauncher_rainbow.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral23
Sample
MultiMC/libeay32.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral24
Sample
MultiMC/libgcc_s_dw2-1.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral25
Sample
MultiMC/libssp-0.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral26
Sample
MultiMC/multimc.cfg
Resource
win10v2004-20240419-en
Behavioral task
behavioral27
Sample
MultiMC/notifications.json
Resource
win10v2004-20240426-en
Behavioral task
behavioral28
Sample
MultiMC/qt.conf
Resource
win10v2004-20240426-en
Behavioral task
behavioral29
Sample
MultiMC/themes/custom/theme.json
Resource
win10v2004-20240419-en
Behavioral task
behavioral30
Sample
MultiMC/themes/custom/themeStyle.css
Resource
win10v2004-20240426-en
Behavioral task
behavioral31
Sample
MultiMC/translations/index_v2.json
Resource
win10v2004-20240426-en
Behavioral task
behavioral32
Sample
MultiMC/translations/mmc_es_UY.qm
Resource
win10v2004-20240226-en
General
-
Target
MultiMC/themes/custom/themeStyle.css
-
Size
80B
-
MD5
dd96d2e9d593a1eca66cc72c6750e5a6
-
SHA1
b0126baafff44463767e5eb350945d20979f16d4
-
SHA256
12618cc9271af83a210ddedb26670e40ba2d6a740cfaa262c069e71be2c16898
-
SHA512
e41c9ed9acf4c32f17ec63e2b0509e62fa970cc6eb64e7b1329dc71baf4f4a99ddd57f4a613fcb11780711eb5afeda471248e76452bd20dc8f1b5918335017f5
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cmd.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 1 IoCs
Processes:
cmd.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\Local Settings cmd.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 1040 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
cmd.exedescription pid process target process PID 2740 wrote to memory of 1040 2740 cmd.exe NOTEPAD.EXE PID 2740 wrote to memory of 1040 2740 cmd.exe NOTEPAD.EXE
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\MultiMC\themes\custom\themeStyle.css1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\MultiMC\themes\custom\themeStyle.css2⤵
- Opens file in notepad (likely ransom note)
PID:1040