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
91s - max time network
144s - 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/purple_jumping_slime.gif
- Size 1KB
- Sample240901-117atashrr
- SHA256 6e85998df6377d410fd2a44dc2367fcf0dc55aaebe3b740c0c38e067651b4d68
- MD5 c1a451e1d3a4380b8acb35346e3e04dd
- SHA1 8871894310a9808695e4c5dd79dfff2789feb34c
- SHA512 201b13d54a875cc362c76b17f83369ba8eb8431c0552956a335d1ea552fb80256f11b701904ddea6ad48ccd1ca96258b8b7df6ae720c6d52f141a016a2dd4519
- MD5 SHA1 SHA512
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 - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3916 iexplore.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31128763" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009f792707ad2f014a935b50bc1110c16d00000000020000000000106600000001000020000000814e940af85be37d4c7ee3145400dc8ef63eb41955ea05bc4814165eb17e0c01000000000e8000000002000020000000a66a185129080c2b97511b83582bf4af085e74c724d853743c7cd390f78251de20000000d468ee98a8f6a41713d4810afa2d7cda75e6b82a11c00f5e3b1299f88ac2c15b4000000056f8d731bf58a37dd88e1f4286f3f22d6c45626505c2378a80af335da7a24ca487b0f46f17f3e60c83a5b67b1020e0e7446decd46e59463198ed7462f090930b iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "431993512" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C8E978E0-68AE-11EF-84CD-EE255DF7DB21} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 006f039ebbfcda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31128763" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009f792707ad2f014a935b50bc1110c16d00000000020000000000106600000001000020000000cdf5baefdaabfa331d9953846650268be0c8634804e16f6f5c2d96af7fe42e56000000000e80000000020000200000008536e77c6e0b6b41a04e104dbbbe707fe77815978dd1d7afbd172208fc80b6c3200000000cd1518df60bf2e6f081a7d75311c31f9c4d810c059904f01765e4292774a930400000008b523499873513dd765de3321a8bad6ec1f0da320a6b63f69ca9a3177287b68c5cea4dee7ad5d284a40ec18e12a7f4f3167c90efa0893614e611426e60b45578 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2640401672" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2645713986" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f029089ebbfcda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2640401672" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31128763" IEXPLORE.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3916 iexplore.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3916 iexplore.exe 3916 iexplore.exe 1380 IEXPLORE.EXE 1380 IEXPLORE.EXE 1380 IEXPLORE.EXE 1380 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3916 wrote to memory of 1380 3916 iexplore.exe 86 PID 3916 wrote to memory of 1380 3916 iexplore.exe 86 PID 3916 wrote to memory of 1380 3916 iexplore.exe 86
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\purple_jumping_slime.gif1⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3916 CREDAT:17410 /prefetch:22⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1380
-
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 35bbe5fde6da18af86e4cf9523d6857ae3ab1ba3418bb0d65453dd25acbe573f
- MD5 3aaa19788dc1cdd33e30cbe38dcb5c02
- SHA1 77a79a46081503980f11d08755e927b42ee98a45
- SHA512 86c63759c993eae858e9d70c80e24bbd7b7324ea1ae31623de947e6528fdab50e01bc84c6063926f0361de1451e35cb7031fb300b955cf8d8142f384c87390d0
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JACP9GNT\suggestions[1].en-US
- Size 17KB
- SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
- MD5 5a34cb996293fde2cb7a4ac89587393a
- SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
- SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
- SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
- MD5 SHA1 SHA512 SSDEEP