Overview
overview
3Static
static
3Muruncher_1.4.0.1.zip
windows10-2004-x64
1Muruncher_...ce.gif
windows10-2004-x64
3Muruncher_...mb.gif
windows10-2004-x64
3Muruncher_...hanges
windows10-2004-x64
1Muruncher_...ar.gif
windows10-2004-x64
3Muruncher_...og.gif
windows10-2004-x64
3Muruncher_...er.gif
windows10-2004-x64
3Muruncher_...icense
windows10-2004-x64
1Muruncher_...cences
windows10-2004-x64
1Muruncher_...orting
windows10-2004-x64
1Muruncher_...me.gif
windows10-2004-x64
3Muruncher_...nt.gif
windows10-2004-x64
3Muruncher_...se.gif
windows10-2004-x64
3Muruncher_...-8.dll
windows10-2004-x64
1Muruncher_...-6.dll
windows10-2004-x64
1Muruncher_...-9.dll
windows10-2004-x64
1Muruncher_...-1.dll
windows10-2004-x64
1Muruncher_...-0.dll
windows10-2004-x64
1Muruncher_...-0.dll
windows10-2004-x64
1Muruncher_...-0.dll
windows10-2004-x64
1Muruncher_...-0.dll
windows10-2004-x64
1Muruncher_...16.dll
windows10-2004-x64
1Muruncher_...-5.dll
windows10-2004-x64
1Muruncher_...-0.dll
windows10-2004-x64
1Muruncher_...-3.dll
windows10-2004-x64
1Muruncher_...-7.dll
windows10-2004-x64
1Muruncher_...ar.pot
windows10-2004-x64
1Muruncher_...nv.dll
windows10-2004-x64
3Muruncher_...eg.dll
windows10-2004-x64
3Muruncher_...ate.py
windows10-2004-x64
3Muruncher_...13.dll
windows10-2004-x64
3Muruncher_...b1.dll
windows10-2004-x64
3Analysis
-
max time kernel
92s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-09-2024 22:08
Static task
static1
Behavioral task
behavioral1
Sample
Muruncher_1.4.0.1.zip
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/alienDevice.gif
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/bomb.gif
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/changes
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/edgar.gif
Resource
win10v2004-20240802-en
Behavioral task
behavioral6
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/frog.gif
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/gazer.gif
Resource
win10v2004-20240802-en
Behavioral task
behavioral8
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/license
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/music_and_sound_licences
Resource
win10v2004-20240802-en
Behavioral task
behavioral10
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/porting
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/purple_jumping_slime.gif
Resource
win10v2004-20240802-en
Behavioral task
behavioral12
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/spitting_plant.gif
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
Muruncher_1.4.0.1/Other/App/Edgar/doc/tortoise.gif
Resource
win10v2004-20240802-en
Behavioral task
behavioral14
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libFLAC-8.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libfreetype-6.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral16
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libjpeg-9.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libmodplug-1.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral18
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libmpg123-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libogg-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral20
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libopus-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libopusfile-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral22
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libpng16-16.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libtiff-5.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral24
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libvorbis-0.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libvorbisfile-3.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral26
Sample
Muruncher_1.4.0.1/Other/App/Edgar/libwebp-7.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
Muruncher_1.4.0.1/Other/App/Edgar/locale/edgar.pot
Resource
win10v2004-20240802-en
Behavioral task
behavioral28
Sample
Muruncher_1.4.0.1/Other/Source/iconv.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
Muruncher_1.4.0.1/Other/Source/jpeg.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral30
Sample
Muruncher_1.4.0.1/Other/Source/language/update.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
Muruncher_1.4.0.1/Other/Source/libpng13.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral32
Sample
Muruncher_1.4.0.1/Other/Source/zlib1.dll
Resource
win10v2004-20240802-en
General
-
Target
Muruncher_1.4.0.1/Other/App/Edgar/doc/edgar.gif
-
Size
3KB
-
MD5
c2b4ef6a5de7f7e174e90b630a4b7750
-
SHA1
9cc4a6d964ad04f427050c5222f5e343915ef855
-
SHA256
4f866f60fc50f09f7d3c74d28871de75a39ba44f8da19da9327bd6d68b7d96fe
-
SHA512
b4ae9dbbc253609cbbcc1b14f7a2515edf03092e3bcbc8af788a6f95aba9f3bfba1bab608dd6e69f0d2b75770220431afaddd73e69d16d041c9fbd47010f02a3
Malware Config
Signatures
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0f0dea0bbfcda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2688970683" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31128763" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2693970495" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31128763" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2688970683" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CBE8B1D8-68AE-11EF-939B-76E8F1516C8A} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31128763" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b035daa0bbfcda01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "431993517" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003d1c6f3067c0c84abb3839afa92ebb0f0000000002000000000010660000000100002000000018536af8c6b4df7c7fcd741413186e0da0a78fb59e843b44a2e3535cb9586f21000000000e8000000002000020000000e0c78751c495b174d3f0cf67eae23b953258b14193b12a6c6959dc276205b4f620000000a0ff970858afdfb344c001a03c417477262ed3af5fa20bb97a2a815a3354c80940000000b626a42935691bffd7c2e091ff6c87710858496d5dcbe6e63380cf4bfbb4f7a241435fc7432c115b44164e1939d42473e034dc8a11e4ef233ba688085fe92908 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003d1c6f3067c0c84abb3839afa92ebb0f00000000020000000000106600000001000020000000b48a6c3b6efb43edc7d6a448030718c1a878c680c179390819f018b62b92f947000000000e8000000002000020000000eb2ab42905429a87114fa4f485ca13c9a2f29226d7ba59e3e7ca231785c0c336200000000a6528149770fc118ff0d04eb2d33283e3f731084245d5cd0efc1d3c75b203064000000068c9d6d2588fb220cd80f2e7f40572db8f59168e9e1db8986a44abb609325aa2984be2e0fbc1c1e86b00449c6617d06e579cb0419be2690b68389ff9884cbfb3 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1540 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1540 iexplore.exe 1540 iexplore.exe 748 IEXPLORE.EXE 748 IEXPLORE.EXE 748 IEXPLORE.EXE 748 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1540 wrote to memory of 748 1540 iexplore.exe 84 PID 1540 wrote to memory of 748 1540 iexplore.exe 84 PID 1540 wrote to memory of 748 1540 iexplore.exe 84
Processes
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Muruncher_1.4.0.1\Other\App\Edgar\doc\edgar.gif1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1540 CREDAT:17410 /prefetch:22⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:748
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD51c7226fea3dc2059287a4a2ae7519102
SHA1ddf68a29afc928251f9743341d5fe0be207479ad
SHA256ccaab5444ee41ed3c94268a55693fe4157f72e980d2dc3687ac98bab1a265396
SHA512b646d2a7d9d8fbc5846f8ecc8a69e7913c603cbad1a488f24b75a0e371e3e367c596dc3fbae2ebbfb486e17b5f248ee4c47d34c6b5e7cdd7cc387d184e8366e1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD516b88a54f363e03d3a6aa1ed03f29290
SHA1eafe4d3b36d6bacda521fd6e8976bf500ed73e39
SHA25621645da9c872627ef846c4ef81057307a171cc7d81ac433a737342b314e578e5
SHA512050baeb272e14ab4738a2dabfa7de345fe55200522ddba74fdf58e688d1c097a1773532ee5f5443d2e03dd141c76decbbd810455c4a76d6d2ac0dd7f954ad04a
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee