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Analysis
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max time kernel
151s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/10/2022, 23:55
Static task
static1
Behavioral task
behavioral1
Sample
7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe
Resource
win7-20220812-en
windows7-x64
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
19 signatures
150 seconds
General
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Target
7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe
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Size
320KB
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MD5
71ee19737698f120d243e30eb5ee65e0
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SHA1
cc81357948e6513fdb87c3fd174f5dc4d08316be
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SHA256
7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034
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SHA512
44b365e026863225d04c9d9764b81683a7f219f1cf689efd11591c725af7e1c8e79b9cd015439493e4d080a4e2d9c9999c829fbbe6209ea11c2533b5a6cd771f
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SSDEEP
6144:sTw4o1IV3puaibGKFHi0mofhaH05kipz016580bHFMWu86JQPDHDdx/QtqR:SmgvmzFHi0mo5aH0qMzd5807FKPJQPDV
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" gutbft.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0" gutbft.exe -
Adds policy Run key to start application 2 TTPs 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\fqm = "C:\\Users\\Admin\\AppData\\Local\\Temp\\zyibqpxvkxvyypgcg.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\gutbft = "iitnddmlbpostldafs.exe" gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\fqm = "C:\\Users\\Admin\\AppData\\Local\\Temp\\iitnddmlbpostldafs.exe" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\gutbft = "givrjlwxpfgmpjdcjyce.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\gutbft = "sqzrfdkhvhegfvlg.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\fqm = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vymjcfrtmdfmqlggoejma.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\gutbft = "sqzrfdkhvhegfvlg.exe" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\gutbft = "tugbstddujjoqjcagux.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\fqm = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sqzrfdkhvhegfvlg.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\fqm = "C:\\Users\\Admin\\AppData\\Local\\Temp\\givrjlwxpfgmpjdcjyce.exe" gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\fqm = "C:\\Users\\Admin\\AppData\\Local\\Temp\\givrjlwxpfgmpjdcjyce.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\fqm = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tugbstddujjoqjcagux.exe" gutbft.exe -
Disables RegEdit via registry modification 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" gutbft.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" gutbft.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe -
Executes dropped EXE 2 IoCs
pid Process 240 gutbft.exe 1380 gutbft.exe -
Loads dropped DLL 4 IoCs
pid Process 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe -
Adds Run key to start application 2 TTPs 63 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\iyzjpfet = "givrjlwxpfgmpjdcjyce.exe ." 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\tiirwlj = "tugbstddujjoqjcagux.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sknzhzarzf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\givrjlwxpfgmpjdcjyce.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sknzhzarzf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\iitnddmlbpostldafs.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\zqsdkbbry = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tugbstddujjoqjcagux.exe ." gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tugbstddujjoqjcagux.exe ." gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\givrjlwxpfgmpjdcjyce.exe ." gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\myvb = "tugbstddujjoqjcagux.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\myvb = "sqzrfdkhvhegfvlg.exe" gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tugbstddujjoqjcagux.exe ." 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "givrjlwxpfgmpjdcjyce.exe ." gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\tiirwlj = "vymjcfrtmdfmqlggoejma.exe" gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\iyzjpfet = "iitnddmlbpostldafs.exe ." gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\zqsdkbbry = "C:\\Users\\Admin\\AppData\\Local\\Temp\\iitnddmlbpostldafs.exe ." 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sknzhzarzf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\zyibqpxvkxvyypgcg.exe" gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\myvb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\zyibqpxvkxvyypgcg.exe" gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vymjcfrtmdfmqlggoejma.exe ." gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "vymjcfrtmdfmqlggoejma.exe ." 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\iyzjpfet = "vymjcfrtmdfmqlggoejma.exe ." gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sknzhzarzf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vymjcfrtmdfmqlggoejma.exe" gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\iyzjpfet = "givrjlwxpfgmpjdcjyce.exe ." gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\myvb = "iitnddmlbpostldafs.exe" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\myvb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vymjcfrtmdfmqlggoejma.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "zyibqpxvkxvyypgcg.exe ." gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\tiirwlj = "givrjlwxpfgmpjdcjyce.exe" gutbft.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sqzrfdkhvhegfvlg.exe ." gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\iyzjpfet = "tugbstddujjoqjcagux.exe ." gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\iyzjpfet = "tugbstddujjoqjcagux.exe ." gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\myvb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\iitnddmlbpostldafs.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\myvb = "givrjlwxpfgmpjdcjyce.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\myvb = "vymjcfrtmdfmqlggoejma.exe" gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\tiirwlj = "sqzrfdkhvhegfvlg.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "zyibqpxvkxvyypgcg.exe ." gutbft.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\myvb = "iitnddmlbpostldafs.exe" gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce gutbft.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sknzhzarzf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\givrjlwxpfgmpjdcjyce.exe" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "sqzrfdkhvhegfvlg.exe ." gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\tiirwlj = "zyibqpxvkxvyypgcg.exe" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\tiirwlj = "tugbstddujjoqjcagux.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "iitnddmlbpostldafs.exe ." gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "vymjcfrtmdfmqlggoejma.exe ." gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run gutbft.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\tiirwlj = "zyibqpxvkxvyypgcg.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\zqsdkbbry = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vymjcfrtmdfmqlggoejma.exe ." gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vymjcfrtmdfmqlggoejma.exe ." gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\myvb = "givrjlwxpfgmpjdcjyce.exe" gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\myvb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\iitnddmlbpostldafs.exe" gutbft.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\myvb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sqzrfdkhvhegfvlg.exe" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\zqsdkbbry = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vymjcfrtmdfmqlggoejma.exe ." gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\vignq = "iitnddmlbpostldafs.exe ." gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sknzhzarzf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vymjcfrtmdfmqlggoejma.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\myvb = "zyibqpxvkxvyypgcg.exe" gutbft.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\myvb = "iitnddmlbpostldafs.exe" gutbft.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run gutbft.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gutbft.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gutbft.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 www.showmyipaddress.com 5 whatismyipaddress.com 10 whatismyip.everdot.org -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\myvbdpkvxxiylptctsgspvxjep.rcs gutbft.exe File created C:\Windows\SysWOW64\myvbdpkvxxiylptctsgspvxjep.rcs gutbft.exe File opened for modification C:\Windows\SysWOW64\nksjwtzvitpqodsmoyxuctgdjfsdzayncwyih.mdq gutbft.exe File created C:\Windows\SysWOW64\nksjwtzvitpqodsmoyxuctgdjfsdzayncwyih.mdq gutbft.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\myvbdpkvxxiylptctsgspvxjep.rcs gutbft.exe File created C:\Program Files (x86)\myvbdpkvxxiylptctsgspvxjep.rcs gutbft.exe File opened for modification C:\Program Files (x86)\nksjwtzvitpqodsmoyxuctgdjfsdzayncwyih.mdq gutbft.exe File created C:\Program Files (x86)\nksjwtzvitpqodsmoyxuctgdjfsdzayncwyih.mdq gutbft.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\nksjwtzvitpqodsmoyxuctgdjfsdzayncwyih.mdq gutbft.exe File opened for modification C:\Windows\myvbdpkvxxiylptctsgspvxjep.rcs gutbft.exe File created C:\Windows\myvbdpkvxxiylptctsgspvxjep.rcs gutbft.exe File opened for modification C:\Windows\nksjwtzvitpqodsmoyxuctgdjfsdzayncwyih.mdq gutbft.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 240 gutbft.exe 240 gutbft.exe 240 gutbft.exe 240 gutbft.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 240 gutbft.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1652 wrote to memory of 240 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 28 PID 1652 wrote to memory of 240 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 28 PID 1652 wrote to memory of 240 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 28 PID 1652 wrote to memory of 240 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 28 PID 1652 wrote to memory of 1380 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 29 PID 1652 wrote to memory of 1380 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 29 PID 1652 wrote to memory of 1380 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 29 PID 1652 wrote to memory of 1380 1652 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe 29 -
System policy modification 1 TTPs 39 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ValidateAdminCodeSignatures = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ValidateAdminCodeSignatures = "0" gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableInstallerDetection = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableSecureUIAPaths = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\FilterAdministratorToken = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableSecureUIAPaths = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveTypeAutoRun = "1" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableInstallerDetection = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ValidateAdminCodeSignatures = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableVirtualization = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveTypeAutoRun = "1" gutbft.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableVirtualization = "0" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveTypeAutoRun = "1" 7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\FilterAdministratorToken = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\FilterAdministratorToken = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableInstallerDetection = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableSecureUIAPaths = "0" gutbft.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableVirtualization = "0" gutbft.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe"C:\Users\Admin\AppData\Local\Temp\7954b7f018f5d3ff852e1bd390d41477adacadb4d2d2a13ff45cf3b31ede5034.exe"1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Adds policy Run key to start application
- Disables RegEdit via registry modification
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1652 -
C:\Users\Admin\AppData\Local\Temp\gutbft.exe"C:\Users\Admin\AppData\Local\Temp\gutbft.exe" "-"2⤵
- Modifies WinLogon for persistence
- UAC bypass
- Adds policy Run key to start application
- Disables RegEdit via registry modification
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:240
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C:\Users\Admin\AppData\Local\Temp\gutbft.exe"C:\Users\Admin\AppData\Local\Temp\gutbft.exe" "-"2⤵
- Modifies WinLogon for persistence
- UAC bypass
- Adds policy Run key to start application
- Disables RegEdit via registry modification
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- System policy modification
PID:1380
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
712KB
MD574ce3d4986eed31d94c20921a443bd11
SHA18eb03c80afb582d97283194e3a5b34d61f393de0
SHA256207662d4bbdc9ef1e12372284be43fe4b37697fd210a6831174010a869c185d5
SHA512fd6d32763b93f1e7893ccdf68d19193041c914dfc53305ea54e63817d3d419dcff81a61f5eeb7eee5a09e7aa4c86f6b35f6a3465f2a4c6a8fe7ecd118253ebe8
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Filesize
712KB
MD574ce3d4986eed31d94c20921a443bd11
SHA18eb03c80afb582d97283194e3a5b34d61f393de0
SHA256207662d4bbdc9ef1e12372284be43fe4b37697fd210a6831174010a869c185d5
SHA512fd6d32763b93f1e7893ccdf68d19193041c914dfc53305ea54e63817d3d419dcff81a61f5eeb7eee5a09e7aa4c86f6b35f6a3465f2a4c6a8fe7ecd118253ebe8
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Filesize
712KB
MD574ce3d4986eed31d94c20921a443bd11
SHA18eb03c80afb582d97283194e3a5b34d61f393de0
SHA256207662d4bbdc9ef1e12372284be43fe4b37697fd210a6831174010a869c185d5
SHA512fd6d32763b93f1e7893ccdf68d19193041c914dfc53305ea54e63817d3d419dcff81a61f5eeb7eee5a09e7aa4c86f6b35f6a3465f2a4c6a8fe7ecd118253ebe8
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Filesize
712KB
MD574ce3d4986eed31d94c20921a443bd11
SHA18eb03c80afb582d97283194e3a5b34d61f393de0
SHA256207662d4bbdc9ef1e12372284be43fe4b37697fd210a6831174010a869c185d5
SHA512fd6d32763b93f1e7893ccdf68d19193041c914dfc53305ea54e63817d3d419dcff81a61f5eeb7eee5a09e7aa4c86f6b35f6a3465f2a4c6a8fe7ecd118253ebe8
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Filesize
712KB
MD574ce3d4986eed31d94c20921a443bd11
SHA18eb03c80afb582d97283194e3a5b34d61f393de0
SHA256207662d4bbdc9ef1e12372284be43fe4b37697fd210a6831174010a869c185d5
SHA512fd6d32763b93f1e7893ccdf68d19193041c914dfc53305ea54e63817d3d419dcff81a61f5eeb7eee5a09e7aa4c86f6b35f6a3465f2a4c6a8fe7ecd118253ebe8
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Filesize
712KB
MD574ce3d4986eed31d94c20921a443bd11
SHA18eb03c80afb582d97283194e3a5b34d61f393de0
SHA256207662d4bbdc9ef1e12372284be43fe4b37697fd210a6831174010a869c185d5
SHA512fd6d32763b93f1e7893ccdf68d19193041c914dfc53305ea54e63817d3d419dcff81a61f5eeb7eee5a09e7aa4c86f6b35f6a3465f2a4c6a8fe7ecd118253ebe8