Overview
overview
7Static
static
7Kirsty.rar
windows7-x64
3Kirsty.rar
windows10-2004-x64
3Kirsty/Kir...config
windows7-x64
3Kirsty/Kir...config
windows10-2004-x64
3Kirsty/lib...rt.dll
windows7-x64
1Kirsty/lib...rt.dll
windows10-2004-x64
1Kirsty/lib...or.dll
windows7-x64
1Kirsty/lib...or.dll
windows10-2004-x64
1Kirsty/lib...or.xml
windows7-x64
1Kirsty/lib...or.xml
windows10-2004-x64
1Kirsty/lib...el.dll
windows7-x64
1Kirsty/lib...el.dll
windows10-2004-x64
1Kirsty/lib...el.xml
windows7-x64
1Kirsty/lib...el.xml
windows10-2004-x64
5Kirsty/lib...es.dll
windows7-x64
1Kirsty/lib...es.dll
windows10-2004-x64
1Kirsty/lib...es.xml
windows7-x64
1Kirsty/lib...es.xml
windows10-2004-x64
1Kirsty/lib...er.dll
windows7-x64
1Kirsty/lib...er.dll
windows10-2004-x64
1Kirsty/lib...er.xml
windows7-x64
1Kirsty/lib...er.xml
windows10-2004-x64
5Kirsty/lib...ar.dll
windows7-x64
1Kirsty/lib...ar.dll
windows10-2004-x64
1Kirsty/lib...ar.xml
windows7-x64
1Kirsty/lib...ar.xml
windows10-2004-x64
1Kirsty/lib...ox.dll
windows7-x64
1Kirsty/lib...ox.dll
windows10-2004-x64
1Kirsty/lib...ox.xml
windows7-x64
1Kirsty/lib...ox.xml
windows10-2004-x64
1Kirsty/lib...ch.dll
windows7-x64
1Kirsty/lib...ch.dll
windows10-2004-x64
1Analysis
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max time kernel
103s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system -
submitted
02/07/2023, 01:17
Behavioral task
behavioral1
Sample
Kirsty.rar
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
Kirsty.rar
Resource
win10v2004-20230621-en
Behavioral task
behavioral3
Sample
Kirsty/Kirsty.exe.config
Resource
win7-20230621-en
Behavioral task
behavioral4
Sample
Kirsty/Kirsty.exe.config
Resource
win10v2004-20230621-en
Behavioral task
behavioral5
Sample
Kirsty/lib/BCMakeCert.dll
Resource
win7-20230621-en
Behavioral task
behavioral6
Sample
Kirsty/lib/BCMakeCert.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral7
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSeparator.dll
Resource
win7-20230621-en
Behavioral task
behavioral8
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSeparator.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral9
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSeparator.xml
Resource
win7-20230621-en
Behavioral task
behavioral10
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSeparator.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral11
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShadowPanel.dll
Resource
win7-20230621-en
Behavioral task
behavioral12
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShadowPanel.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral13
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShadowPanel.xml
Resource
win7-20230621-en
Behavioral task
behavioral14
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShadowPanel.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral15
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShapes.dll
Resource
win7-20230621-en
Behavioral task
behavioral16
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShapes.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral17
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShapes.xml
Resource
win7-20230621-en
Behavioral task
behavioral18
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuShapes.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral19
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSlider.dll
Resource
win7-20230621-en
Behavioral task
behavioral20
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSlider.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral21
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSlider.xml
Resource
win7-20230621-en
Behavioral task
behavioral22
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSlider.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral23
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSnackbar.dll
Resource
win7-20230621-en
Behavioral task
behavioral24
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSnackbar.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral25
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSnackbar.xml
Resource
win7-20230621-en
Behavioral task
behavioral26
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuSnackbar.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral27
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuTextBox.dll
Resource
win7-20230621-en
Behavioral task
behavioral28
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuTextBox.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral29
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuTextBox.xml
Resource
win7-20230621-en
Behavioral task
behavioral30
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuTextBox.xml
Resource
win10v2004-20230621-en
Behavioral task
behavioral31
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuToggleSwitch.dll
Resource
win7-20230621-en
Behavioral task
behavioral32
Sample
Kirsty/lib/Bunifu.UI.WinForms.BunifuToggleSwitch.dll
Resource
win10v2004-20230621-en
General
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Target
Kirsty/lib/Bunifu.UI.WinForms.BunifuSeparator.xml
-
Size
6KB
-
MD5
db694790168f48647a559de34f6fde34
-
SHA1
ecfdc2886beb9b0cbb53d0799274ad0541aa8ff4
-
SHA256
47dd33c9a48d4abdeae2678b64ac0332e029250b3cd254eab002e5fd47096f87
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SHA512
0ada9f273524732f893ad4f06589eb7b6bc6b9f4fbcfce412b4f952ca772fa4c5eef3e3ba78b23a6e393497502ed193b78ef12f28f841f4c4cc3e9a2574dbaac
-
SSDEEP
48:L53YlOgLGf2QLBl2uaK2Mc8QJtJSoaOYTolXdgLGIO3RQKEdEZSu:L5yM2GBl2G2H8y7HXYOXWniRQ5Wf
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 1002824283acd901 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\SearchScopes IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002f9684199b2f7a4a86f864ecc4ec016b0000000002000000000010660000000100002000000073c32f54d17ec68cfd6e7ca47f886e1d1503d6c879216c18db6caee0d878290b000000000e8000000002000020000000bd5beb343a6b1bb30f5442fc1177c8857cc83e38d7f712fdc06b3f21705b652220000000aa08f5b2089e6b1234ee7f1640bdc412353990a507d453b682887e53bf0e566340000000ab30d5869e2bc7036bb00ec0df3aee0dd27355ddb71443b27faf2dbb1e4cbe0b07568caf5f1facf7cb2772e7515252b4f1adf45798b2c126ab8b58c2c1062ce9 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395025707" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{6726AEE1-1876-11EE-97A1-76B3A872C029} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1604 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1604 IEXPLORE.EXE 1604 IEXPLORE.EXE 1008 IEXPLORE.EXE 1008 IEXPLORE.EXE 1008 IEXPLORE.EXE 1008 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 864 wrote to memory of 1612 864 MSOXMLED.EXE 27 PID 864 wrote to memory of 1612 864 MSOXMLED.EXE 27 PID 864 wrote to memory of 1612 864 MSOXMLED.EXE 27 PID 864 wrote to memory of 1612 864 MSOXMLED.EXE 27 PID 1612 wrote to memory of 1604 1612 iexplore.exe 28 PID 1612 wrote to memory of 1604 1612 iexplore.exe 28 PID 1612 wrote to memory of 1604 1612 iexplore.exe 28 PID 1612 wrote to memory of 1604 1612 iexplore.exe 28 PID 1604 wrote to memory of 1008 1604 IEXPLORE.EXE 29 PID 1604 wrote to memory of 1008 1604 IEXPLORE.EXE 29 PID 1604 wrote to memory of 1008 1604 IEXPLORE.EXE 29 PID 1604 wrote to memory of 1008 1604 IEXPLORE.EXE 29
Processes
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C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\Kirsty\lib\Bunifu.UI.WinForms.BunifuSeparator.xml"1⤵
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome2⤵
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1604 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1008
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD51ce8bb97b5b2fe2d81ac732dc8a97516
SHA1181358dd71149e8e0563c19129fcc6bcfededdf9
SHA256c4f7d2c5d4cc47c6b929fd631d0183590f94d3e0c046f02082d4f723d35d2147
SHA51228d049d88579007b4d3269ee25ee425c37b077021217d8084ebabf8170c7b5b128cefdaf3c6b31e14b3134e8efe3cc98931755fb959bb427ffdaecc5cb66664d
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\T7SBST7U\suggestions[1].en-US
Filesize17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
62KB
MD53ac860860707baaf32469fa7cc7c0192
SHA1c33c2acdaba0e6fa41fd2f00f186804722477639
SHA256d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
SHA512d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c
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Filesize
164KB
MD54ff65ad929cd9a367680e0e5b1c08166
SHA1c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27
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Filesize
608B
MD5937d0eb951d68abca2acab79db7c1426
SHA1d41cdcc2cf60f10e9f65143f497d0f8b307d33d7
SHA25600631817994379ed3640546722cf943423ff6713f785a2a29753cc4a492551b9
SHA512526b57e04c4465dbade47a342fdebb1d59a892895a45381fda3cb9c16ee2e0984a2a5c919dc6ddce87bc6abdf7abb55ec2b114b7dd2af07328ccae1e37c14a57