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
149s -
max time network
156s -
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/bomb.gif
-
Size
3KB
-
MD5
f48a638911fc55be91d893723c5ee317
-
SHA1
f133971e4e575bbce9a1173693f2a8e7390de452
-
SHA256
90fc8d343de05cd61bb404396a0d8f34e34f1cd7c53c908f7ac95d28d49fec6c
-
SHA512
b5192534854a566bfc83dce712a79737f6c89129650f049de184e8c8796e7890a023e4f88c09b2afc76d73d18eeafd666a37e4f153e98e13b8df181d48f7f654
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 (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CA15D775-68AE-11EF-9912-D20DFB866B4D} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d05b409fbbfcda01 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0cc429fbbfcda01 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000074472bebe7af3a46942426e1e277b42a00000000020000000000106600000001000020000000c5b47480e32f03fccb498694b6d2d843c30c27c0bde7b917afb8ed096fdbccf0000000000e8000000002000020000000f50df77fb9e4150bb5432037c06c099350e062e774646bb3c5ceace5a770f79d200000002fa2e675290d8d052a6872be758e1bfb269088c25adb961baab47020bb1543a740000000774007e12b9dba9c1419c287d952dd4e2ec3dd96ce3d6d724589c38d0a4773c79c71464414f37930df97581aa1045160c0374f38546b27b48d2b9283b330af66 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31128763" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000074472bebe7af3a46942426e1e277b42a0000000002000000000010660000000100002000000078fc4f99d887a0827254e265965c2450051524789c8b8fe8e9a84b4a2ace199c000000000e800000000200002000000066945b34f53d5b758670eef5db104010b6fc76455663953fe0c3797b0436bb1e20000000e6da4ba0eb414e1c604d6dfaaa936231b8ecb153ab55d677f45c285cbe70816940000000d110d05db82f83e4fec69cf034e7399667adfb36d2a9599dccc258bc951f7a9c22556d52daa8eaf68762f126f772e1f055dab9abfe88c3d97fbd5f9822a2a7a9 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2658522725" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31128763" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "431993514" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2658522725" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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 (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31128763" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2665397475" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 552 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 552 iexplore.exe 552 iexplore.exe 1828 IEXPLORE.EXE 1828 IEXPLORE.EXE 1828 IEXPLORE.EXE 1828 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 552 wrote to memory of 1828 552 iexplore.exe 85 PID 552 wrote to memory of 1828 552 iexplore.exe 85 PID 552 wrote to memory of 1828 552 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\bomb.gif1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:552 CREDAT:17410 /prefetch:22⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1828
-
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
MD520e2cfdd3f0cbb5587814612c42f6995
SHA17f3e2fcb45889c316687371ffa84a55a07d24fc3
SHA256dbc678a3a0de839c5f081a192ba765e285364b3eec867e9c2491bf6aa992aa53
SHA512402b9f88328db7f1ac27c0b8f30e10ad0eaf8db0e8bae68bfca45cf4186ead734ff6a9a1009893cb631188fcecd3a7e5a6a21b1aad457334049800d26b7b5808
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee