Overview
overview
10Static
static
10XWorm V3.1...nd.png
windows7-x64
1XWorm V3.1...nd.png
windows10-2004-x64
3XWorm V3.1...ox.dll
windows7-x64
1XWorm V3.1...ox.dll
windows10-2004-x64
1XWorm V3.1...er.bat
windows7-x64
5XWorm V3.1...er.bat
windows10-2004-x64
1XWorm V3.1...re.dll
windows7-x64
1XWorm V3.1...re.dll
windows10-2004-x64
1XWorm V3.1...ms.dll
windows7-x64
1XWorm V3.1...ms.dll
windows10-2004-x64
1XWorm V3.1...IP.dat
windows7-x64
3XWorm V3.1...IP.dat
windows10-2004-x64
3XWorm V3.1...or.dll
windows7-x64
1XWorm V3.1...or.dll
windows10-2004-x64
1XWorm V3.1...ro.wav
windows7-x64
1XWorm V3.1...ro.wav
windows10-2004-x64
6XWorm V3.1...or.dll
windows7-x64
1XWorm V3.1...or.dll
windows10-2004-x64
1XWorm V3.1...NC.exe
windows7-x64
10XWorm V3.1...NC.exe
windows10-2004-x64
10XWorm V3.1....1.exe
windows7-x64
1XWorm V3.1....1.exe
windows10-2004-x64
1XWorm V3.1...xe.xml
windows7-x64
1XWorm V3.1...xe.xml
windows10-2004-x64
1Analysis
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max time kernel
132s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
17/02/2023, 05:04
Static task
static1
Behavioral task
behavioral1
Sample
XWorm V3.1 - Copy/Background.png
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
XWorm V3.1 - Copy/Background.png
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
XWorm V3.1 - Copy/FastColoredTextBox.dll
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
XWorm V3.1 - Copy/FastColoredTextBox.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
XWorm V3.1 - Copy/Fixer.bat
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
XWorm V3.1 - Copy/Fixer.bat
Resource
win10v2004-20221111-en
Behavioral task
behavioral7
Sample
XWorm V3.1 - Copy/GMap.NET.Core.dll
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
XWorm V3.1 - Copy/GMap.NET.Core.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
XWorm V3.1 - Copy/GMap.NET.WindowsForms.dll
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
XWorm V3.1 - Copy/GMap.NET.WindowsForms.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral11
Sample
XWorm V3.1 - Copy/GeoIP.dat
Resource
win7-20221111-en
Behavioral task
behavioral12
Sample
XWorm V3.1 - Copy/GeoIP.dat
Resource
win10v2004-20220812-en
Behavioral task
behavioral13
Sample
XWorm V3.1 - Copy/IconExtractor.dll
Resource
win7-20220901-en
Behavioral task
behavioral14
Sample
XWorm V3.1 - Copy/IconExtractor.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral15
Sample
XWorm V3.1 - Copy/Intro.wav
Resource
win7-20221111-en
Behavioral task
behavioral16
Sample
XWorm V3.1 - Copy/Intro.wav
Resource
win10v2004-20220812-en
Behavioral task
behavioral17
Sample
XWorm V3.1 - Copy/SimpleObfuscator.dll
Resource
win7-20220812-en
Behavioral task
behavioral18
Sample
XWorm V3.1 - Copy/SimpleObfuscator.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral19
Sample
XWorm V3.1 - Copy/XWorm HVNC.exe
Resource
win7-20220901-en
Behavioral task
behavioral20
Sample
XWorm V3.1 - Copy/XWorm HVNC.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral21
Sample
XWorm V3.1 - Copy/XWorm V3.1.exe
Resource
win7-20220812-en
Behavioral task
behavioral22
Sample
XWorm V3.1 - Copy/XWorm V3.1.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral23
Sample
XWorm V3.1 - Copy/XWorm V3.1.exe.xml
Resource
win7-20221111-en
Behavioral task
behavioral24
Sample
XWorm V3.1 - Copy/XWorm V3.1.exe.xml
Resource
win10v2004-20220812-en
General
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Target
XWorm V3.1 - Copy/XWorm V3.1.exe.xml
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Size
183B
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MD5
66f09a3993dcae94acfe39d45b553f58
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SHA1
9d09f8e22d464f7021d7f713269b8169aed98682
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SHA256
7ea08548c23bd7fd7c75ca720ac5a0e8ca94cb51d06cd45ebf5f412e4bbdd7d7
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SHA512
c8ea53ab187a720080bd8d879704e035f7e632afe1ee93e7637fad6bb7e40d33a5fe7e5c3d69134209487d225e72d8d944a43a28dc32922e946023e89abc93ed
Malware Config
Signatures
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description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1421721710" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31015574" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "383379085" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1433596551" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1421721710" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31015574" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31015574" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31015574" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1433596551" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ecc383d980212642983f755ac99beb8c000000000200000000001066000000010000200000008d39b3e00441f0e8bd628867fdd05effdcfec81eeccaa4d7ab0c6732e5f8cd06000000000e80000000020000200000006bb7e1a36728bf0f8b4527c48f7329724eef9499241a51af7cbd5f526809d1f520000000ce26ac88f7aa34a8fc18fb1f210638626ee4fa7395f5ae436d7b5fffcc477350400000002c87a3fc145f583ebc5dc785771c4a2d085ee31b70a161612247617afd4861896081296eaea5d866c0eae37bf7d81c3c2250fd434e8f8613a959bfc8f4479047 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ecc383d980212642983f755ac99beb8c0000000002000000000010660000000100002000000012338b258ac81915401b55850646280ef41056f5ee478d3e0d258661d594e787000000000e8000000002000020000000ce33c2cea70632414c1b5958ae1d8f466b0fb957c5fc5dcb570a77d7fb9008942000000082432a0f240c0e8760108fb3280d7e837e41afb2e60a39a865986b054c62b22740000000f52d61457516a36532939f76149fa3051c8075a8642fbef00f7268f303c3e992851598293a01324871bc4a728ccc8a3bb3ea7409d9df3f0785584cff0b1b34da iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30fb00579642d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 700fee569642d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7FB6D97D-AE89-11ED-B696-72E5C3FA065D} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1664 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1664 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1664 iexplore.exe 1664 iexplore.exe 4728 IEXPLORE.EXE 4728 IEXPLORE.EXE 4728 IEXPLORE.EXE 4728 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 812 wrote to memory of 1664 812 MSOXMLED.EXE 80 PID 812 wrote to memory of 1664 812 MSOXMLED.EXE 80 PID 1664 wrote to memory of 4728 1664 iexplore.exe 82 PID 1664 wrote to memory of 4728 1664 iexplore.exe 82 PID 1664 wrote to memory of 4728 1664 iexplore.exe 82
Processes
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C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\XWorm V3.1 - Copy\XWorm V3.1.exe.xml"1⤵
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\XWorm V3.1 - Copy\XWorm V3.1.exe.xml2⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1664 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4728
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD59597f3dce8d1b570f78a65ba29110c19
SHA1ea96f130f2db9598f8785742dd6980e87c0b842b
SHA2566385202cebf552cb037b90b20ca921f8b481b3154fb6460be44e2686252768d2
SHA512b97c6755a29fcb84540e32f60e46d1b39183b9e972af5bd8edb6fb4659ea2b7f01ab1bf1ce4fe50fa311b6cceb715d128feeb7dde17c6db3d7b2f43931934d6c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD53da11f7e6c168bfc024ea8561b8da71e
SHA1f914fa339b694179800e5aacc3d1a1bf620528b7
SHA2560ce0df10224f04e48a9a038512e2cbbd5c4cf0225c56bc94807efb91ff4c85f7
SHA5122a8b9a1227c85e77efeff5edf27da11cf565cb18b48207119e1938e3b468a4f1f7903d3170a340fe934be871a093c250bf3b692412676906bc72076135d466a3