Analysis
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max time kernel
153s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 21:03
Behavioral task
behavioral1
Sample
74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe
Resource
win7-20221111-en
windows7-x64
26 signatures
150 seconds
Behavioral task
behavioral2
Sample
74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
25 signatures
150 seconds
General
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Target
74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe
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Size
255KB
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MD5
ae43e6be2ce789ba4d5185b6d242adda
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SHA1
50a717c9f14eea606c03def87b76828a7b343edb
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SHA256
74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f
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SHA512
6fc10aca0d04b8194affcbb20a778144678d8e5c1a91c300c32723e0b200533dcc1076ed08b14553dc364f6c32273153f80fecab3b814593b9c41c1b57171988
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJc:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI/
Score
10/10
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" dfbdflarro.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dfbdflarro.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" dfbdflarro.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" dfbdflarro.exe -
Executes dropped EXE 5 IoCs
pid Process 3644 dfbdflarro.exe 2912 qnqniupmnbynccy.exe 2288 vuulpuiw.exe 2620 lyhzrywffbbqn.exe 1044 vuulpuiw.exe -
resource yara_rule behavioral2/memory/4376-132-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4376-133-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x000a000000022e1b-135.dat upx behavioral2/files/0x000a000000022e1b-136.dat upx behavioral2/files/0x000b000000022e3b-139.dat upx behavioral2/files/0x000b000000022e3b-138.dat upx behavioral2/memory/3644-140-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/2912-141-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0008000000022e41-143.dat upx behavioral2/files/0x0008000000022e41-144.dat upx behavioral2/files/0x0006000000022e42-147.dat upx behavioral2/memory/2288-148-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/2620-149-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0006000000022e42-150.dat upx behavioral2/memory/3644-151-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/2912-152-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0008000000022e41-154.dat upx behavioral2/memory/1044-155-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4376-157-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0008000000022e44-158.dat upx behavioral2/files/0x0006000000022e48-159.dat upx behavioral2/memory/2288-168-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/2620-169-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/1044-170-0x0000000000400000-0x00000000004A0000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" dfbdflarro.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run qnqniupmnbynccy.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\uiyqxcru = "dfbdflarro.exe" qnqniupmnbynccy.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hgafcnth = "qnqniupmnbynccy.exe" qnqniupmnbynccy.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "lyhzrywffbbqn.exe" qnqniupmnbynccy.exe -
Enumerates connected drives 3 TTPs 64 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\j: vuulpuiw.exe File opened (read-only) \??\k: vuulpuiw.exe File opened (read-only) \??\w: vuulpuiw.exe File opened (read-only) \??\i: vuulpuiw.exe File opened (read-only) \??\n: vuulpuiw.exe File opened (read-only) \??\u: vuulpuiw.exe File opened (read-only) \??\v: vuulpuiw.exe File opened (read-only) \??\l: dfbdflarro.exe File opened (read-only) \??\n: dfbdflarro.exe File opened (read-only) \??\p: dfbdflarro.exe File opened (read-only) \??\f: vuulpuiw.exe File opened (read-only) \??\q: dfbdflarro.exe File opened (read-only) \??\o: vuulpuiw.exe File opened (read-only) \??\a: vuulpuiw.exe File opened (read-only) \??\e: vuulpuiw.exe File opened (read-only) \??\q: vuulpuiw.exe File opened (read-only) \??\i: vuulpuiw.exe File opened (read-only) \??\q: vuulpuiw.exe File opened (read-only) \??\r: vuulpuiw.exe File opened (read-only) \??\r: dfbdflarro.exe File opened (read-only) \??\x: dfbdflarro.exe File opened (read-only) \??\y: dfbdflarro.exe File opened (read-only) \??\u: vuulpuiw.exe File opened (read-only) \??\t: vuulpuiw.exe File opened (read-only) \??\b: vuulpuiw.exe File opened (read-only) \??\b: dfbdflarro.exe File opened (read-only) \??\m: dfbdflarro.exe File opened (read-only) \??\u: dfbdflarro.exe File opened (read-only) \??\z: dfbdflarro.exe File opened (read-only) \??\e: vuulpuiw.exe File opened (read-only) \??\l: vuulpuiw.exe File opened (read-only) \??\s: vuulpuiw.exe File opened (read-only) \??\h: vuulpuiw.exe File opened (read-only) \??\j: vuulpuiw.exe File opened (read-only) \??\p: vuulpuiw.exe File opened (read-only) \??\w: vuulpuiw.exe File opened (read-only) \??\e: dfbdflarro.exe File opened (read-only) \??\k: dfbdflarro.exe File opened (read-only) \??\f: vuulpuiw.exe File opened (read-only) \??\z: vuulpuiw.exe File opened (read-only) \??\g: vuulpuiw.exe File opened (read-only) \??\o: vuulpuiw.exe File opened (read-only) \??\v: vuulpuiw.exe File opened (read-only) \??\m: vuulpuiw.exe File opened (read-only) \??\x: vuulpuiw.exe File opened (read-only) \??\b: vuulpuiw.exe File opened (read-only) \??\h: vuulpuiw.exe File opened (read-only) \??\n: vuulpuiw.exe File opened (read-only) \??\r: vuulpuiw.exe File opened (read-only) \??\g: dfbdflarro.exe File opened (read-only) \??\j: dfbdflarro.exe File opened (read-only) \??\x: vuulpuiw.exe File opened (read-only) \??\s: vuulpuiw.exe File opened (read-only) \??\z: vuulpuiw.exe File opened (read-only) \??\h: dfbdflarro.exe File opened (read-only) \??\g: vuulpuiw.exe File opened (read-only) \??\p: vuulpuiw.exe File opened (read-only) \??\y: vuulpuiw.exe File opened (read-only) \??\a: dfbdflarro.exe File opened (read-only) \??\m: vuulpuiw.exe File opened (read-only) \??\t: vuulpuiw.exe File opened (read-only) \??\f: dfbdflarro.exe File opened (read-only) \??\i: dfbdflarro.exe File opened (read-only) \??\t: dfbdflarro.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" dfbdflarro.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" dfbdflarro.exe -
AutoIT Executable 12 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4376-132-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4376-133-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3644-140-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/2912-141-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/2288-148-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3644-151-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/2912-152-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1044-155-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4376-157-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/2288-168-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/2620-169-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1044-170-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe -
Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\dfbdflarro.exe 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe File created C:\Windows\SysWOW64\qnqniupmnbynccy.exe 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll dfbdflarro.exe File created C:\Windows\SysWOW64\lyhzrywffbbqn.exe 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe File opened for modification C:\Windows\SysWOW64\lyhzrywffbbqn.exe 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe File created C:\Windows\SysWOW64\dfbdflarro.exe 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe File opened for modification C:\Windows\SysWOW64\qnqniupmnbynccy.exe 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe File created C:\Windows\SysWOW64\vuulpuiw.exe 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe File opened for modification C:\Windows\SysWOW64\vuulpuiw.exe 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe -
Drops file in Program Files directory 14 IoCs
description ioc Process File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe vuulpuiw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe vuulpuiw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe vuulpuiw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal vuulpuiw.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe vuulpuiw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe vuulpuiw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal vuulpuiw.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe vuulpuiw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe vuulpuiw.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe vuulpuiw.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe vuulpuiw.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe vuulpuiw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal vuulpuiw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal vuulpuiw.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\mydoc.rtf 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe File opened for modification C:\Windows\mydoc.rtf WINWORD.EXE File created C:\Windows\~$mydoc.rtf WINWORD.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
Modifies registry class 20 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" dfbdflarro.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33472C7E9C5283206A4376DC70272DDC7CF564D6" 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6BB4FABAFE17F19783793A44819B39E3B081028F4261034EE1CD429C09A3" 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc dfbdflarro.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf dfbdflarro.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs dfbdflarro.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7EFDFC8E4828821B9041D62E7E92BD92E13459456745623FD79A" 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1848C60F15E3DAC4B8BE7C93ECE534BA" 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile" dfbdflarro.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" dfbdflarro.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsh dfbdflarro.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.reg dfbdflarro.exe Key created \REGISTRY\MACHINE\Software\Classes\CLV.Classes 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2EB6B02F449239EE52CEB9D7329CD4BE" 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E0F46BC3FF6D22D9D178D0D48B7B9016" 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bat dfbdflarro.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile" dfbdflarro.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile" dfbdflarro.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile" dfbdflarro.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 380 WINWORD.EXE 380 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 3644 dfbdflarro.exe 2912 qnqniupmnbynccy.exe 3644 dfbdflarro.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 1044 vuulpuiw.exe 1044 vuulpuiw.exe 1044 vuulpuiw.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 3644 dfbdflarro.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2912 qnqniupmnbynccy.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2288 vuulpuiw.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 2620 lyhzrywffbbqn.exe 1044 vuulpuiw.exe 1044 vuulpuiw.exe 1044 vuulpuiw.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 380 WINWORD.EXE 380 WINWORD.EXE 380 WINWORD.EXE 380 WINWORD.EXE 380 WINWORD.EXE 380 WINWORD.EXE 380 WINWORD.EXE -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4376 wrote to memory of 3644 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 83 PID 4376 wrote to memory of 3644 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 83 PID 4376 wrote to memory of 3644 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 83 PID 4376 wrote to memory of 2912 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 85 PID 4376 wrote to memory of 2912 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 85 PID 4376 wrote to memory of 2912 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 85 PID 4376 wrote to memory of 2288 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 87 PID 4376 wrote to memory of 2288 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 87 PID 4376 wrote to memory of 2288 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 87 PID 2912 wrote to memory of 2036 2912 qnqniupmnbynccy.exe 89 PID 2912 wrote to memory of 2036 2912 qnqniupmnbynccy.exe 89 PID 2912 wrote to memory of 2036 2912 qnqniupmnbynccy.exe 89 PID 4376 wrote to memory of 2620 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 88 PID 4376 wrote to memory of 2620 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 88 PID 4376 wrote to memory of 2620 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 88 PID 3644 wrote to memory of 1044 3644 dfbdflarro.exe 90 PID 3644 wrote to memory of 1044 3644 dfbdflarro.exe 90 PID 3644 wrote to memory of 1044 3644 dfbdflarro.exe 90 PID 4376 wrote to memory of 380 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 91 PID 4376 wrote to memory of 380 4376 74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe"C:\Users\Admin\AppData\Local\Temp\74d571874b16696455072cc62e37ddf032e9856c4faa92c583f0b37218b26f2f.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Windows\SysWOW64\dfbdflarro.exedfbdflarro.exe2⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Enumerates connected drives
- Modifies WinLogon
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Windows\SysWOW64\vuulpuiw.exeC:\Windows\system32\vuulpuiw.exe3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1044
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C:\Windows\SysWOW64\qnqniupmnbynccy.exeqnqniupmnbynccy.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\cmd.execmd.exe /c lyhzrywffbbqn.exe3⤵PID:2036
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C:\Windows\SysWOW64\vuulpuiw.exevuulpuiw.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2288
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C:\Windows\SysWOW64\lyhzrywffbbqn.exelyhzrywffbbqn.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2620
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""2⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:380
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Network
MITRE ATT&CK Enterprise v6
Persistence
Hidden Files and Directories
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Disabling Security Tools
2Hidden Files and Directories
2Modify Registry
6Replay Monitor
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Downloads
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Filesize
255KB
MD54040e1d18cb10be1f944e36d31c3402f
SHA1f85edd641cf19e4db35ab2aa0183af2e7f86be2b
SHA256d40ac52e295b5831f5ef1e444f499b47d37565c66856718634e3349d6f142f26
SHA512e3d5cf24d68420f3362dc30dee03e25cae2b84223d43016c97a0f27271f8d71cc93256db40681e5146f1c5a6b4566d1c5e32d1a99fc6fb3c31f58492cdda13e4
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Filesize
255KB
MD5319dc2ce4907cabbc04282263af0ebad
SHA136606efd63fdf3f5851e713d6585f92c53427d5c
SHA25617f0ebcede6159ed2644d3cc14708b23ea851882eea1a4178b3f79b70a5ecedc
SHA5127e7dc4a5a75b34e7e7235ddb2cf5ce1f0d1cf5a72b4378d49f19937d9b8d551207626e59e557f97460097eda99f712c4a64ec2a59934f4107dc4dbbc1080f024
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Filesize
255KB
MD541e201a7262974d165d2daed2c280727
SHA1d76fc0c55f09f1ec480082fcf0c6aaf9c64e5610
SHA256b0cee2b2163827505f22af1d211e8a450941bec6236e6d09c0bac829aa4d3964
SHA5122c64aea8da828c741bce6315dfab3db2d843984caec67c8ba02a20d70521126c87268ab7a4e6003a0a0b634126ec0b00a99b00fb4cee3abd31d1f09f0d760f21
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Filesize
255KB
MD541e201a7262974d165d2daed2c280727
SHA1d76fc0c55f09f1ec480082fcf0c6aaf9c64e5610
SHA256b0cee2b2163827505f22af1d211e8a450941bec6236e6d09c0bac829aa4d3964
SHA5122c64aea8da828c741bce6315dfab3db2d843984caec67c8ba02a20d70521126c87268ab7a4e6003a0a0b634126ec0b00a99b00fb4cee3abd31d1f09f0d760f21
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Filesize
255KB
MD51e0fc1c9044f556a8b9f836898298e41
SHA12bfcf3fc3bde9e9ef257ca633da640de4f72cacd
SHA25639704dd63f8f51f2ddb99b85d710e2814f51d96d2a043cc3a19d07e9ff5cbbf9
SHA512494012d027c94f4472166597d60612c57251b1353affcb1bdadd2d41189f334ea8dd7073ca3a2041025ed6f9a2998e28669f857d99280eb482fc96fcf06556d7
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Filesize
255KB
MD51e0fc1c9044f556a8b9f836898298e41
SHA12bfcf3fc3bde9e9ef257ca633da640de4f72cacd
SHA25639704dd63f8f51f2ddb99b85d710e2814f51d96d2a043cc3a19d07e9ff5cbbf9
SHA512494012d027c94f4472166597d60612c57251b1353affcb1bdadd2d41189f334ea8dd7073ca3a2041025ed6f9a2998e28669f857d99280eb482fc96fcf06556d7
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Filesize
255KB
MD5d518afeb1488ce85cfdf9440cd7d513c
SHA187db6ee93c3e1af0e6bdbb04d2b2489e3b477ec8
SHA25674b7af957e2a2668b3cd6ed1409cc37814b728f67d2c0b55bea68ed34001ec5f
SHA51241f8f723616f916415b4920f0243683a70b2d8dd11b0a1bc065e2552fbad70d5054499597f9e06d5fca42d6ecb38c919e9fa490b5ded52496ea526e7b8e662d8
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Filesize
255KB
MD5d518afeb1488ce85cfdf9440cd7d513c
SHA187db6ee93c3e1af0e6bdbb04d2b2489e3b477ec8
SHA25674b7af957e2a2668b3cd6ed1409cc37814b728f67d2c0b55bea68ed34001ec5f
SHA51241f8f723616f916415b4920f0243683a70b2d8dd11b0a1bc065e2552fbad70d5054499597f9e06d5fca42d6ecb38c919e9fa490b5ded52496ea526e7b8e662d8
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Filesize
255KB
MD59c735fcd392b3351464befaf4d8829f9
SHA123ac8656364ba7f252efed38540568dfd1bd8a9e
SHA256b567af00f85ed2379bf08ea638b7f9db69d182fe232dc186b5515ff729d8eebc
SHA51221ad5d26bd785de4cc9c306083c94fbf5faa5ba43e70f516976debdf29c1e1f48363a04299b2e55a295e60b4f3bac159a9dd6cf8f7d71ad3e8525add64112aba
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Filesize
255KB
MD59c735fcd392b3351464befaf4d8829f9
SHA123ac8656364ba7f252efed38540568dfd1bd8a9e
SHA256b567af00f85ed2379bf08ea638b7f9db69d182fe232dc186b5515ff729d8eebc
SHA51221ad5d26bd785de4cc9c306083c94fbf5faa5ba43e70f516976debdf29c1e1f48363a04299b2e55a295e60b4f3bac159a9dd6cf8f7d71ad3e8525add64112aba
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Filesize
255KB
MD59c735fcd392b3351464befaf4d8829f9
SHA123ac8656364ba7f252efed38540568dfd1bd8a9e
SHA256b567af00f85ed2379bf08ea638b7f9db69d182fe232dc186b5515ff729d8eebc
SHA51221ad5d26bd785de4cc9c306083c94fbf5faa5ba43e70f516976debdf29c1e1f48363a04299b2e55a295e60b4f3bac159a9dd6cf8f7d71ad3e8525add64112aba
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Filesize
223B
MD506604e5941c126e2e7be02c5cd9f62ec
SHA14eb9fdf8ff4e1e539236002bd363b82c8f8930e1
SHA25685f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
SHA512803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7