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
90s - max time network
145s - 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/alienDevice.gif
- Size 30KB
- Sample240901-117atashrr
- SHA256 b6e8260787fb1054af74f8a4fecd5cea8e3bdd67d34088432964a5330d1730c6
- MD5 d046d4917ee7a3fd7c210bd01405cbb8
- SHA1 ebf0f1df42c98f58c73c0c9019d69ccfef8c2150
- SHA512 38c927fb0b27b9cc8d710cbca679194b08e27de47676f076565f62a4f0efa762860cb86f8029b4ddddfd3d7db7674e1c92a22318d6ca92b0fb5c9b17bf3c1c11
- SSDEEP 768:zS0F38OiNzchJlcNCOwbmqLcQ9zfrZ8OqhS:zS08Oih2JOwbx7xDZ8Oq0
- MD5 SHA1 SHA512 SSDEEP
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 (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31128763" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2649093893" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\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 Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2656437519" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003f945ed72d44d3489ac9a36be9e2e8b100000000020000000000106600000001000020000000ce3dc28d52fa8d8d2312636e3ccd2a2878e23e7d588269f98026034a5899d147000000000e8000000002000020000000732b5ab7b7a0f43058f714d5f9f03bc58ec876ae6c1f31bc6076e814f0e8f0b92000000034aa96ff792a2317d249eab2afd8174574a0aa0c6d46da9e2058d9355b1f0007400000006072b4a1c9b83da550ecd98b19d6883f55a43e8c160443691070a7ce47783982dd3b8324acc2ccc230b24be97e7c62a0e9e30f3715037ddfee3f25d707e33c71 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C985F28C-68AE-11EF-9A03-7221D8032630} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003f945ed72d44d3489ac9a36be9e2e8b100000000020000000000106600000001000020000000edc99a2c16665b9483723284d53ecdff8e06c54a6c9b72837e09601ad01afbd7000000000e8000000002000020000000789dd6b96009eece841e1567c7ddeba7c847262db7759c7d3703569e78e1a88e20000000dfd061916bbd5b471dae6ff058cb0e0b100c519b62124e10553e250a34e1a83d40000000b24801ca43d37ff04f466732057cfcacc655275e079825858d69426906bc40eea2bf591c98178e093bfef281a22e61c100a540b908c7be726634b0c4547b3bff iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b06cc89ebbfcda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2649093893" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31128763" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0cfbe9ebbfcda01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "431993513" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31128763" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5048 iexplore.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 5048 iexplore.exe 5048 iexplore.exe 1012 IEXPLORE.EXE 1012 IEXPLORE.EXE 1012 IEXPLORE.EXE 1012 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5048 wrote to memory of 1012 5048 iexplore.exe 85 PID 5048 wrote to memory of 1012 5048 iexplore.exe 85 PID 5048 wrote to memory of 1012 5048 iexplore.exe 85
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\alienDevice.gif1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5048 CREDAT:17410 /prefetch:22⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1012
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
- Size 471B
- SHA256 ccaab5444ee41ed3c94268a55693fe4157f72e980d2dc3687ac98bab1a265396
- MD5 1c7226fea3dc2059287a4a2ae7519102
- SHA1 ddf68a29afc928251f9743341d5fe0be207479ad
- SHA512 b646d2a7d9d8fbc5846f8ecc8a69e7913c603cbad1a488f24b75a0e371e3e367c596dc3fbae2ebbfb486e17b5f248ee4c47d34c6b5e7cdd7cc387d184e8366e1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
- Size 404B
- SHA256 af58c0167ed5f9e34de792a54716570400525e8bc14cab2f690c668c80a73d0b
- MD5 cc7ce055ed6a523f5c7ff8ef8a8c07ce
- SHA1 206fa40429542655706f7886cc63d2eb935caa61
- SHA512 edc36cd4707d85fcb8a37a59a9f49c71051a62ebce936b2a91f6cc272f2786d6c11cc8824236c7add80a46666bb34da749ab8ba2d38b5a302e84bcea6d244128
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FGWUB7UN\suggestions[1].en-US
- Size 17KB
- SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
- MD5 5a34cb996293fde2cb7a4ac89587393a
- SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
- SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
- SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
- MD5 SHA1 SHA512 SSDEEP