Analysis
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max time kernel
150s -
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
97KB
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MD5
1d5f8c24450948f2bfcc89c80b3d5f97
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SHA1
8b7563cb9fc9e4d269a0fb77ab5a5045e4ad2317
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SHA256
de00fe780f212cae5d248e9cfbcbb2864aa3a66e1c018dea2aa81bac770dab50
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SHA512
681e70c8dab349f8bb9001b02805e54d39a0c1219774eabc4fdc782b06ad2c8991732a85453e9ff69ad1cf758a32111d6178bbc71664a255cb032bc9ea70b5b4
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SSDEEP
1536:qiRRk7iOAYZBazwRhNKLYk4G7um6nrO0+BeTiiPMZlkCRjImd0:qQk7/FZh8UkRz6nrOLgOuEkC1Dd0
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\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 -
Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 28 IoCs
resource yara_rule behavioral2/memory/3904-1-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-3-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-4-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-6-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-10-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-16-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-17-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-18-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-20-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-21-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-22-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-23-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-24-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-25-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-27-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-28-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-29-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-31-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-34-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-36-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-38-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-41-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-43-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-45-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-47-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-49-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-51-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral2/memory/3904-53-0x0000000000740000-0x00000000017FA000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine -
UPX dump on OEP (original entry point) 29 IoCs
resource yara_rule behavioral2/memory/3904-1-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-3-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-4-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-6-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-10-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-16-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-17-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-18-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-20-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-21-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-22-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-23-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-24-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-25-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-27-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-28-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-29-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-31-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-34-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-36-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-38-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-41-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-43-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-45-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-47-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-49-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-51-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-53-0x0000000000740000-0x00000000017FA000-memory.dmp UPX behavioral2/memory/3904-71-0x0000000000400000-0x0000000000412000-memory.dmp UPX -
resource yara_rule behavioral2/memory/3904-1-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-3-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-4-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-6-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-10-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-16-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-17-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-18-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-20-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-21-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-22-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-23-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-24-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-25-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-27-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-28-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-29-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-31-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-34-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-36-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-38-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-41-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-43-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-45-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-47-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-49-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-51-0x0000000000740000-0x00000000017FA000-memory.dmp upx behavioral2/memory/3904-53-0x0000000000740000-0x00000000017FA000-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 13 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: Trojan.Win32.Small.exe File opened (read-only) \??\Q: Trojan.Win32.Small.exe File opened (read-only) \??\G: 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) \??\J: Trojan.Win32.Small.exe File opened (read-only) \??\N: Trojan.Win32.Small.exe File opened (read-only) \??\O: Trojan.Win32.Small.exe File opened (read-only) \??\P: Trojan.Win32.Small.exe File opened (read-only) \??\E: Trojan.Win32.Small.exe File opened (read-only) \??\H: Trojan.Win32.Small.exe File opened (read-only) \??\K: Trojan.Win32.Small.exe File opened (read-only) \??\R: Trojan.Win32.Small.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process 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\7-Zip\7zG.exe Trojan.Win32.Small.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\e5733f1 Trojan.Win32.Small.exe File opened for modification C:\Windows\SYSTEM.INI Trojan.Win32.Small.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3904 Trojan.Win32.Small.exe 3904 Trojan.Win32.Small.exe 3904 Trojan.Win32.Small.exe 3904 Trojan.Win32.Small.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe Token: SeDebugPrivilege 3904 Trojan.Win32.Small.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 3904 wrote to memory of 788 3904 Trojan.Win32.Small.exe 10 PID 3904 wrote to memory of 796 3904 Trojan.Win32.Small.exe 9 PID 3904 wrote to memory of 336 3904 Trojan.Win32.Small.exe 5 PID 3904 wrote to memory of 2936 3904 Trojan.Win32.Small.exe 56 PID 3904 wrote to memory of 2964 3904 Trojan.Win32.Small.exe 55 PID 3904 wrote to memory of 3044 3904 Trojan.Win32.Small.exe 54 PID 3904 wrote to memory of 3360 3904 Trojan.Win32.Small.exe 51 PID 3904 wrote to memory of 3544 3904 Trojan.Win32.Small.exe 50 PID 3904 wrote to memory of 3728 3904 Trojan.Win32.Small.exe 49 PID 3904 wrote to memory of 3820 3904 Trojan.Win32.Small.exe 48 PID 3904 wrote to memory of 3884 3904 Trojan.Win32.Small.exe 22 PID 3904 wrote to memory of 3968 3904 Trojan.Win32.Small.exe 47 PID 3904 wrote to memory of 3856 3904 Trojan.Win32.Small.exe 46 PID 3904 wrote to memory of 4496 3904 Trojan.Win32.Small.exe 33 PID 3904 wrote to memory of 3444 3904 Trojan.Win32.Small.exe 23 PID 3904 wrote to memory of 816 3904 Trojan.Win32.Small.exe 27 PID 3904 wrote to memory of 2544 3904 Trojan.Win32.Small.exe 26 PID 3904 wrote to memory of 836 3904 Trojan.Win32.Small.exe 25 PID 3904 wrote to memory of 788 3904 Trojan.Win32.Small.exe 10 PID 3904 wrote to memory of 796 3904 Trojan.Win32.Small.exe 9 PID 3904 wrote to memory of 336 3904 Trojan.Win32.Small.exe 5 PID 3904 wrote to memory of 2936 3904 Trojan.Win32.Small.exe 56 PID 3904 wrote to memory of 2964 3904 Trojan.Win32.Small.exe 55 PID 3904 wrote to memory of 3044 3904 Trojan.Win32.Small.exe 54 PID 3904 wrote to memory of 3360 3904 Trojan.Win32.Small.exe 51 PID 3904 wrote to memory of 3544 3904 Trojan.Win32.Small.exe 50 PID 3904 wrote to memory of 3728 3904 Trojan.Win32.Small.exe 49 PID 3904 wrote to memory of 3820 3904 Trojan.Win32.Small.exe 48 PID 3904 wrote to memory of 3884 3904 Trojan.Win32.Small.exe 22 PID 3904 wrote to memory of 3968 3904 Trojan.Win32.Small.exe 47 PID 3904 wrote to memory of 3856 3904 Trojan.Win32.Small.exe 46 PID 3904 wrote to memory of 4496 3904 Trojan.Win32.Small.exe 33 PID 3904 wrote to memory of 3444 3904 Trojan.Win32.Small.exe 23 PID 3904 wrote to memory of 816 3904 Trojan.Win32.Small.exe 27 PID 3904 wrote to memory of 2544 3904 Trojan.Win32.Small.exe 26 PID 3904 wrote to memory of 4760 3904 Trojan.Win32.Small.exe 89 PID 3904 wrote to memory of 3244 3904 Trojan.Win32.Small.exe 90 PID 3904 wrote to memory of 628 3904 Trojan.Win32.Small.exe 91 -
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:336
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:796
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:788
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3884
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3444
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:836
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵PID:2544
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca1⤵PID:816
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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:4496
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3856
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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:3968
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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:3820
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3728
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3544
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3360
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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 file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3904
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:3044
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2964
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2936
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4760
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3244
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C:\Windows\System32\wuapihost.exeC:\Windows\System32\wuapihost.exe -Embedding1⤵PID:628
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
5