Analysis
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max time kernel
122s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29/02/2024, 12:04
Static task
static1
Behavioral task
behavioral1
Sample
Trojan.Win32.Small.exe
Resource
win7-20240221-en
General
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Target
Trojan.Win32.Small.exe
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Size
65KB
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MD5
f43a7a07216c219244fa4857b38f348b
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SHA1
1d263f2bfce236226d45a91341855f0477c7a79f
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SHA256
ced57cc956cff4501b2118093057c638e6638b388ba23f8c0f32732dcbcdfbde
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SHA512
d2d8f58db911b1a128cfc09665e2898d70aab5870f778f3724836cff2ce09037e7b2fcf19810e16ffc49e71bdbcf09580d1dbd72c21e477d634a8d9671a7bf24
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SSDEEP
1536:MU9cfutdSC5kAFDD/XyD8nlkelYOWwc1lUhhBpmER+uCedF:MUHd9Fv/XuSk/1STBpmEBCS
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
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Modifies firewall policy service 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" Trojan.Win32.Small.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Trojan.Win32.Small.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" Trojan.Win32.Small.exe -
Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 38 IoCs
resource yara_rule behavioral2/memory/4812-2-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-4-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-5-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-8-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-11-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-17-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-18-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-19-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-20-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-21-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-22-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-23-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-24-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-25-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-26-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-28-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-29-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-30-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-32-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-35-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-37-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-39-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-42-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-44-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-46-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-48-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-50-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-52-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-54-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-56-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-58-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-60-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-67-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-68-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-70-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-72-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-74-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/4812-76-0x0000000000810000-0x00000000018CA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine -
UPX dump on OEP (original entry point) 38 IoCs
resource yara_rule behavioral2/memory/4812-2-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-4-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-5-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-8-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-11-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-17-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-18-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-19-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-20-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-21-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-22-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-23-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-24-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-25-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-26-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-28-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-29-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-30-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-32-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-35-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-37-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-39-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-42-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-44-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-46-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-48-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-50-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-52-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-54-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-56-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-58-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-60-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-67-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-68-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-70-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-72-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-74-0x0000000000810000-0x00000000018CA000-memory.dmp UPX behavioral2/memory/4812-76-0x0000000000810000-0x00000000018CA000-memory.dmp UPX -
resource yara_rule behavioral2/memory/4812-2-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-4-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-5-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-8-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-11-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-17-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-18-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-19-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-20-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-21-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-22-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-23-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-24-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-25-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-26-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-28-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-29-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-30-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-32-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-35-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-37-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-39-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-42-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-44-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-46-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-48-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-50-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-52-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-54-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-56-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-58-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-60-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-67-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-68-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-70-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-72-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-74-0x0000000000810000-0x00000000018CA000-memory.dmp upx behavioral2/memory/4812-76-0x0000000000810000-0x00000000018CA000-memory.dmp upx -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" Trojan.Win32.Small.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" Trojan.Win32.Small.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Trojan.Win32.Small.exe -
Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\X: Trojan.Win32.Small.exe File opened (read-only) \??\Z: Trojan.Win32.Small.exe File opened (read-only) \??\I: Trojan.Win32.Small.exe File opened (read-only) \??\L: Trojan.Win32.Small.exe File opened (read-only) \??\P: Trojan.Win32.Small.exe File opened (read-only) \??\R: Trojan.Win32.Small.exe File opened (read-only) \??\U: Trojan.Win32.Small.exe File opened (read-only) \??\V: Trojan.Win32.Small.exe File opened (read-only) \??\W: Trojan.Win32.Small.exe File opened (read-only) \??\Y: Trojan.Win32.Small.exe File opened (read-only) \??\G: Trojan.Win32.Small.exe File opened (read-only) \??\N: Trojan.Win32.Small.exe File opened (read-only) \??\Q: Trojan.Win32.Small.exe File opened (read-only) \??\T: Trojan.Win32.Small.exe File opened (read-only) \??\E: Trojan.Win32.Small.exe File opened (read-only) \??\O: Trojan.Win32.Small.exe File opened (read-only) \??\S: Trojan.Win32.Small.exe File opened (read-only) \??\H: Trojan.Win32.Small.exe File opened (read-only) \??\J: Trojan.Win32.Small.exe File opened (read-only) \??\K: Trojan.Win32.Small.exe File opened (read-only) \??\M: Trojan.Win32.Small.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf Trojan.Win32.Small.exe File opened for modification F:\autorun.inf Trojan.Win32.Small.exe -
Drops file in Program Files directory 11 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7zG.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\7-Zip\7z.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe Trojan.Win32.Small.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe Trojan.Win32.Small.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\e573577 Trojan.Win32.Small.exe File opened for modification C:\Windows\SYSTEM.INI Trojan.Win32.Small.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\Local Settings Trojan.Win32.Small.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe 4812 Trojan.Win32.Small.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe Token: SeDebugPrivilege 4812 Trojan.Win32.Small.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4812 wrote to memory of 764 4812 Trojan.Win32.Small.exe 85 PID 4812 wrote to memory of 768 4812 Trojan.Win32.Small.exe 84 PID 4812 wrote to memory of 68 4812 Trojan.Win32.Small.exe 9 PID 4812 wrote to memory of 2992 4812 Trojan.Win32.Small.exe 51 PID 4812 wrote to memory of 3056 4812 Trojan.Win32.Small.exe 50 PID 4812 wrote to memory of 748 4812 Trojan.Win32.Small.exe 49 PID 4812 wrote to memory of 3444 4812 Trojan.Win32.Small.exe 46 PID 4812 wrote to memory of 3580 4812 Trojan.Win32.Small.exe 45 PID 4812 wrote to memory of 3764 4812 Trojan.Win32.Small.exe 44 PID 4812 wrote to memory of 3856 4812 Trojan.Win32.Small.exe 43 PID 4812 wrote to memory of 3920 4812 Trojan.Win32.Small.exe 19 PID 4812 wrote to memory of 4016 4812 Trojan.Win32.Small.exe 42 PID 4812 wrote to memory of 2356 4812 Trojan.Win32.Small.exe 41 PID 4812 wrote to memory of 744 4812 Trojan.Win32.Small.exe 30 PID 4812 wrote to memory of 2428 4812 Trojan.Win32.Small.exe 29 PID 4812 wrote to memory of 5104 4812 Trojan.Win32.Small.exe 22 PID 4812 wrote to memory of 4852 4812 Trojan.Win32.Small.exe 24 PID 4812 wrote to memory of 1376 4812 Trojan.Win32.Small.exe 23 PID 4812 wrote to memory of 764 4812 Trojan.Win32.Small.exe 85 PID 4812 wrote to memory of 768 4812 Trojan.Win32.Small.exe 84 PID 4812 wrote to memory of 68 4812 Trojan.Win32.Small.exe 9 PID 4812 wrote to memory of 2992 4812 Trojan.Win32.Small.exe 51 PID 4812 wrote to memory of 3056 4812 Trojan.Win32.Small.exe 50 PID 4812 wrote to memory of 748 4812 Trojan.Win32.Small.exe 49 PID 4812 wrote to memory of 3444 4812 Trojan.Win32.Small.exe 46 PID 4812 wrote to memory of 3580 4812 Trojan.Win32.Small.exe 45 PID 4812 wrote to memory of 3764 4812 Trojan.Win32.Small.exe 44 PID 4812 wrote to memory of 3856 4812 Trojan.Win32.Small.exe 43 PID 4812 wrote to memory of 3920 4812 Trojan.Win32.Small.exe 19 PID 4812 wrote to memory of 4016 4812 Trojan.Win32.Small.exe 42 PID 4812 wrote to memory of 2356 4812 Trojan.Win32.Small.exe 41 PID 4812 wrote to memory of 744 4812 Trojan.Win32.Small.exe 30 PID 4812 wrote to memory of 2428 4812 Trojan.Win32.Small.exe 29 PID 4812 wrote to memory of 5104 4812 Trojan.Win32.Small.exe 22 PID 4812 wrote to memory of 4852 4812 Trojan.Win32.Small.exe 24 PID 4812 wrote to memory of 1376 4812 Trojan.Win32.Small.exe 23 PID 4812 wrote to memory of 3100 4812 Trojan.Win32.Small.exe 87 PID 4812 wrote to memory of 1036 4812 Trojan.Win32.Small.exe 88 PID 4812 wrote to memory of 5040 4812 Trojan.Win32.Small.exe 89 PID 4812 wrote to memory of 764 4812 Trojan.Win32.Small.exe 85 PID 4812 wrote to memory of 768 4812 Trojan.Win32.Small.exe 84 PID 4812 wrote to memory of 68 4812 Trojan.Win32.Small.exe 9 PID 4812 wrote to memory of 2992 4812 Trojan.Win32.Small.exe 51 PID 4812 wrote to memory of 3056 4812 Trojan.Win32.Small.exe 50 PID 4812 wrote to memory of 748 4812 Trojan.Win32.Small.exe 49 PID 4812 wrote to memory of 3444 4812 Trojan.Win32.Small.exe 46 PID 4812 wrote to memory of 3580 4812 Trojan.Win32.Small.exe 45 PID 4812 wrote to memory of 3764 4812 Trojan.Win32.Small.exe 44 PID 4812 wrote to memory of 3856 4812 Trojan.Win32.Small.exe 43 PID 4812 wrote to memory of 3920 4812 Trojan.Win32.Small.exe 19 PID 4812 wrote to memory of 4016 4812 Trojan.Win32.Small.exe 42 PID 4812 wrote to memory of 2356 4812 Trojan.Win32.Small.exe 41 PID 4812 wrote to memory of 744 4812 Trojan.Win32.Small.exe 30 PID 4812 wrote to memory of 2428 4812 Trojan.Win32.Small.exe 29 PID 4812 wrote to memory of 5104 4812 Trojan.Win32.Small.exe 22 PID 4812 wrote to memory of 4852 4812 Trojan.Win32.Small.exe 24 PID 4812 wrote to memory of 3100 4812 Trojan.Win32.Small.exe 87 PID 4812 wrote to memory of 1036 4812 Trojan.Win32.Small.exe 88 PID 4812 wrote to memory of 764 4812 Trojan.Win32.Small.exe 85 PID 4812 wrote to memory of 768 4812 Trojan.Win32.Small.exe 84 PID 4812 wrote to memory of 68 4812 Trojan.Win32.Small.exe 9 PID 4812 wrote to memory of 2992 4812 Trojan.Win32.Small.exe 51 PID 4812 wrote to memory of 3056 4812 Trojan.Win32.Small.exe 50 PID 4812 wrote to memory of 748 4812 Trojan.Win32.Small.exe 49 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Trojan.Win32.Small.exe
Processes
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:68
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3920
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵PID:5104
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:1376
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca1⤵PID:4852
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:2428
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵PID:744
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:2356
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:4016
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3856
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3764
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3580
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3444
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C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Small.exe"C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Small.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4812
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:748
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:3056
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2992
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:768
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:764
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3100
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:1036
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C:\Windows\System32\wuapihost.exeC:\Windows\System32\wuapihost.exe -Embedding1⤵PID:5040
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:2336
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Replay Monitor
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Downloads
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Filesize
97KB
MD5936d5a2e075f258c40d5843e43e8f939
SHA17750de4a2b398be01dc1585d3e3b31ddff991e3b
SHA25612e4c7491b1aa9848c0d87d26ea344e1adcbe95e2ab149a1a7b4faa12eb29ab5
SHA512dc09ec583c2860a124b81aa7419cd2f975a086d6afb9d21ddb76871e2b62530f383757ea1596cc2fada421c2c40cb915efc0d493eef414f4dfa5215bcef253f6