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
-
max time kernel
104s -
max time network
149s -
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
-
Target
Kirsty/lib/Bunifu.UI.WinForms.BunifuSnackbar.xml
-
Size
132KB
-
MD5
c5fa32bfad05a743d9b635164c929fd8
-
SHA1
90e7a953fb285c8580ac895fe6bb8de891568484
-
SHA256
a21f611a2c98d540a47a7a1341437d6cb7a6e9dc0544a4bf197438df0abb4cbb
-
SHA512
6428bf6e1ccc2b33e19c6a3f5fc8cafe4e59fce75fc4a24979b050e98b960f823bdb6cb9004c143d052f0bb44b29ef150565ab059310539853a02b2f729206c6
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SSDEEP
1536:pNo/sFmzoZZtJ+pitJIvVrDseMB7PWeVfq5c1Kr6fJmtXCRAPe3NTfortklIcyqQ:oaq
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\TabbedBrowsing 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\Zoom IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive 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 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\DomainSuggestion\FileNames 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\Main\WindowsSearch 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\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 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 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\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\IntelliForms 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 (data) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0c3504383acd901 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain 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 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\Main 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\LowRegistry\DOMStorage 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\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002f9684199b2f7a4a86f864ecc4ec016b000000000200000000001066000000010000200000003232d6228f4714a9df39f0c3437cd97b9a69bb0bfc1feb389d00da247b17b797000000000e8000000002000020000000baf4c4bcc28e01503e92042677b549a86cdab05f0237c5495a3e787e15839dff200000006844e432b9fbe392aad4494754098e96d78482b213f696624756228cf7dbd579400000006bba9baaf839ef6b1287966a67efaeb0101d5d888faa74f4ce3ff9e339ca6b8b3e3ab53ccb713c0ccd86a2a2831b9648afe2a10eba5310860578b3850f16f77a 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 (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\InternetRegistry IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3950455397-3229124517-1686476975-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{674EB8E1-1876-11EE-A699-42C84A33452B} = "0" 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 -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1368 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1368 IEXPLORE.EXE 1368 IEXPLORE.EXE 1624 IEXPLORE.EXE 1624 IEXPLORE.EXE 1624 IEXPLORE.EXE 1624 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1748 wrote to memory of 1156 1748 MSOXMLED.EXE 27 PID 1748 wrote to memory of 1156 1748 MSOXMLED.EXE 27 PID 1748 wrote to memory of 1156 1748 MSOXMLED.EXE 27 PID 1748 wrote to memory of 1156 1748 MSOXMLED.EXE 27 PID 1156 wrote to memory of 1368 1156 iexplore.exe 28 PID 1156 wrote to memory of 1368 1156 iexplore.exe 28 PID 1156 wrote to memory of 1368 1156 iexplore.exe 28 PID 1156 wrote to memory of 1368 1156 iexplore.exe 28 PID 1368 wrote to memory of 1624 1368 IEXPLORE.EXE 29 PID 1368 wrote to memory of 1624 1368 IEXPLORE.EXE 29 PID 1368 wrote to memory of 1624 1368 IEXPLORE.EXE 29 PID 1368 wrote to memory of 1624 1368 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.BunifuSnackbar.xml"1⤵
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome2⤵
- Suspicious use of WriteProcessMemory
PID:1156 -
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:1368 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1368 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1624
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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
MD5a546afec19b4c7e71e296f9f818d96fc
SHA17ddf04e152c94c1c5b53c9059e63105c9ebb704d
SHA25621a557ae32c88b829425f177183ad7b6e4b0873663aee780aaecdbc94058533f
SHA5122f7c51b7b65aaff9d5d25f2156dd444c201229a32c0ccfea4a3d7c119c92e2a535d27d860c7495e69e0752149b1184d075d77b89b60d6b6564afb34ffd42b0df
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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
MD5ff8d7fd917df40de067baa18843498e9
SHA15a56f3d60faaef64396c9fd836998c66e28c4abf
SHA2566045bdb056c3f2adea2286ffa8e6ef3b6690f83e97efc1083381061496499ffb
SHA5122e22da22cc71030ad59b601d5213998e68e81dced74d8fc981b6fbe394d39a8e25292c8a48799ea8256e136c497e5f5943324b0e69feae5c4294257fbebb5877