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Analysis
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max time kernel
203s -
max time network
211s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2022, 01:53
Behavioral task
behavioral1
Sample
0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe
Resource
win7-20221111-en
windows7-x64
26 signatures
150 seconds
Behavioral task
behavioral2
Sample
0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
25 signatures
150 seconds
General
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Target
0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe
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Size
255KB
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MD5
a7bacf197f0261d4a029e9a7a95ee93e
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SHA1
7613042c9aa1f9cb49ddcb590262efa4c3b93d1c
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SHA256
0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2
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SHA512
0dcef6e6271c7617ec36e2b1c00ff07c70889b3584383f861f8427b6fda1d45d2ac3829beb95d089f98af24d38e6b87b13c405f3b373c25847767317bb115b90
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJc:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIb
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" qxqfvyusrr.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" qxqfvyusrr.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" qxqfvyusrr.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" qxqfvyusrr.exe -
Executes dropped EXE 5 IoCs
pid Process 3848 qxqfvyusrr.exe 4372 cvcmhxyzivwbqpe.exe 3500 brnflunj.exe 448 utpxxlaidupyq.exe 1920 brnflunj.exe -
resource yara_rule behavioral2/memory/3304-132-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0008000000022e13-134.dat upx behavioral2/files/0x0008000000022e13-135.dat upx behavioral2/files/0x0007000000022e1a-137.dat upx behavioral2/files/0x0007000000022e1a-138.dat upx behavioral2/files/0x0006000000022e1e-140.dat upx behavioral2/files/0x0006000000022e1e-141.dat upx behavioral2/files/0x0006000000022e1f-143.dat upx behavioral2/files/0x0006000000022e1f-144.dat upx behavioral2/memory/3848-145-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4372-146-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/3500-147-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/448-148-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0006000000022e1e-150.dat upx behavioral2/memory/1920-152-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/3304-153-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/3304-154-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/3848-155-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4372-156-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/3500-157-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/448-158-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/1920-159-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0008000000022e25-161.dat upx behavioral2/files/0x0007000000022e23-160.dat 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 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" qxqfvyusrr.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "utpxxlaidupyq.exe" cvcmhxyzivwbqpe.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run cvcmhxyzivwbqpe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\gyudstva = "qxqfvyusrr.exe" cvcmhxyzivwbqpe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fjwjkieh = "cvcmhxyzivwbqpe.exe" cvcmhxyzivwbqpe.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) \??\o: brnflunj.exe File opened (read-only) \??\z: brnflunj.exe File opened (read-only) \??\n: qxqfvyusrr.exe File opened (read-only) \??\p: qxqfvyusrr.exe File opened (read-only) \??\q: qxqfvyusrr.exe File opened (read-only) \??\a: brnflunj.exe File opened (read-only) \??\l: brnflunj.exe File opened (read-only) \??\i: brnflunj.exe File opened (read-only) \??\u: brnflunj.exe File opened (read-only) \??\a: brnflunj.exe File opened (read-only) \??\q: brnflunj.exe File opened (read-only) \??\v: qxqfvyusrr.exe File opened (read-only) \??\r: brnflunj.exe File opened (read-only) \??\w: brnflunj.exe File opened (read-only) \??\b: qxqfvyusrr.exe File opened (read-only) \??\f: qxqfvyusrr.exe File opened (read-only) \??\s: brnflunj.exe File opened (read-only) \??\w: qxqfvyusrr.exe File opened (read-only) \??\q: brnflunj.exe File opened (read-only) \??\i: brnflunj.exe File opened (read-only) \??\p: brnflunj.exe File opened (read-only) \??\t: brnflunj.exe File opened (read-only) \??\u: brnflunj.exe File opened (read-only) \??\t: qxqfvyusrr.exe File opened (read-only) \??\b: brnflunj.exe File opened (read-only) \??\g: brnflunj.exe File opened (read-only) \??\j: brnflunj.exe File opened (read-only) \??\x: brnflunj.exe File opened (read-only) \??\h: brnflunj.exe File opened (read-only) \??\k: brnflunj.exe File opened (read-only) \??\e: qxqfvyusrr.exe File opened (read-only) \??\e: brnflunj.exe File opened (read-only) \??\z: brnflunj.exe File opened (read-only) \??\m: qxqfvyusrr.exe File opened (read-only) \??\j: brnflunj.exe File opened (read-only) \??\w: brnflunj.exe File opened (read-only) \??\f: brnflunj.exe File opened (read-only) \??\k: brnflunj.exe File opened (read-only) \??\o: brnflunj.exe File opened (read-only) \??\v: brnflunj.exe File opened (read-only) \??\g: qxqfvyusrr.exe File opened (read-only) \??\i: qxqfvyusrr.exe File opened (read-only) \??\j: qxqfvyusrr.exe File opened (read-only) \??\u: qxqfvyusrr.exe File opened (read-only) \??\m: brnflunj.exe File opened (read-only) \??\s: brnflunj.exe File opened (read-only) \??\x: brnflunj.exe File opened (read-only) \??\t: brnflunj.exe File opened (read-only) \??\f: brnflunj.exe File opened (read-only) \??\h: qxqfvyusrr.exe File opened (read-only) \??\o: qxqfvyusrr.exe File opened (read-only) \??\s: qxqfvyusrr.exe File opened (read-only) \??\z: qxqfvyusrr.exe File opened (read-only) \??\g: brnflunj.exe File opened (read-only) \??\m: brnflunj.exe File opened (read-only) \??\l: qxqfvyusrr.exe File opened (read-only) \??\v: brnflunj.exe File opened (read-only) \??\b: brnflunj.exe File opened (read-only) \??\a: qxqfvyusrr.exe File opened (read-only) \??\r: qxqfvyusrr.exe File opened (read-only) \??\x: qxqfvyusrr.exe File opened (read-only) \??\p: brnflunj.exe File opened (read-only) \??\e: brnflunj.exe File opened (read-only) \??\n: brnflunj.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" qxqfvyusrr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" qxqfvyusrr.exe -
AutoIT Executable 12 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/3848-145-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4372-146-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3500-147-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/448-148-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1920-152-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3304-153-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3304-154-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3848-155-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4372-156-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3500-157-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/448-158-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1920-159-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe -
Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\msvbvm60.dll qxqfvyusrr.exe File created C:\Windows\SysWOW64\qxqfvyusrr.exe 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe File opened for modification C:\Windows\SysWOW64\qxqfvyusrr.exe 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe File created C:\Windows\SysWOW64\cvcmhxyzivwbqpe.exe 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe File opened for modification C:\Windows\SysWOW64\cvcmhxyzivwbqpe.exe 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe File created C:\Windows\SysWOW64\brnflunj.exe 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe File opened for modification C:\Windows\SysWOW64\brnflunj.exe 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe File created C:\Windows\SysWOW64\utpxxlaidupyq.exe 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe File opened for modification C:\Windows\SysWOW64\utpxxlaidupyq.exe 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe -
Drops file in Program Files directory 14 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe brnflunj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe brnflunj.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe brnflunj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal brnflunj.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe brnflunj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal brnflunj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe brnflunj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe brnflunj.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe brnflunj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal brnflunj.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe brnflunj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal brnflunj.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe brnflunj.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe brnflunj.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\mydoc.rtf 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Modifies registry class 20 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" qxqfvyusrr.exe Key created \REGISTRY\MACHINE\Software\Classes\CLV.Classes 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E7F668C3FF1821DCD173D1D18B7F916B" 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc qxqfvyusrr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile" qxqfvyusrr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile" qxqfvyusrr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf qxqfvyusrr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs qxqfvyusrr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6ACDF9C9F911F19483783A3281EB3EE2B0FD038B4216033BE2CF459908D6" 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "183DC67B14E5DAB1B8CF7C92EDE234BA" 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile" qxqfvyusrr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsh qxqfvyusrr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" qxqfvyusrr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FB2B02847E0399D53B9B9D7329BD7CC" 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7FF4FC834F5B82199030D72B7D94BDE4E136584266476237D6EC" 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bat qxqfvyusrr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile" qxqfvyusrr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "32422D0B9D5783596D4377A077232DDD7CF565DB" 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.reg qxqfvyusrr.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1360 WINWORD.EXE 1360 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 4372 cvcmhxyzivwbqpe.exe 4372 cvcmhxyzivwbqpe.exe 3848 qxqfvyusrr.exe 4372 cvcmhxyzivwbqpe.exe 3848 qxqfvyusrr.exe 4372 cvcmhxyzivwbqpe.exe 3848 qxqfvyusrr.exe 3848 qxqfvyusrr.exe 4372 cvcmhxyzivwbqpe.exe 3848 qxqfvyusrr.exe 4372 cvcmhxyzivwbqpe.exe 3848 qxqfvyusrr.exe 3848 qxqfvyusrr.exe 3848 qxqfvyusrr.exe 4372 cvcmhxyzivwbqpe.exe 4372 cvcmhxyzivwbqpe.exe 3848 qxqfvyusrr.exe 3848 qxqfvyusrr.exe 4372 cvcmhxyzivwbqpe.exe 4372 cvcmhxyzivwbqpe.exe 3500 brnflunj.exe 3500 brnflunj.exe 3500 brnflunj.exe 3500 brnflunj.exe 3500 brnflunj.exe 3500 brnflunj.exe 3500 brnflunj.exe 3500 brnflunj.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 4372 cvcmhxyzivwbqpe.exe 4372 cvcmhxyzivwbqpe.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 4372 cvcmhxyzivwbqpe.exe 4372 cvcmhxyzivwbqpe.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3848 qxqfvyusrr.exe 3848 qxqfvyusrr.exe 3848 qxqfvyusrr.exe 4372 cvcmhxyzivwbqpe.exe 4372 cvcmhxyzivwbqpe.exe 4372 cvcmhxyzivwbqpe.exe 3500 brnflunj.exe 3500 brnflunj.exe 3500 brnflunj.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 1920 brnflunj.exe 1920 brnflunj.exe 1920 brnflunj.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 3848 qxqfvyusrr.exe 3848 qxqfvyusrr.exe 3848 qxqfvyusrr.exe 4372 cvcmhxyzivwbqpe.exe 4372 cvcmhxyzivwbqpe.exe 4372 cvcmhxyzivwbqpe.exe 3500 brnflunj.exe 3500 brnflunj.exe 3500 brnflunj.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 448 utpxxlaidupyq.exe 1920 brnflunj.exe 1920 brnflunj.exe 1920 brnflunj.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1360 WINWORD.EXE 1360 WINWORD.EXE 1360 WINWORD.EXE 1360 WINWORD.EXE 1360 WINWORD.EXE 1360 WINWORD.EXE 1360 WINWORD.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3304 wrote to memory of 3848 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 82 PID 3304 wrote to memory of 3848 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 82 PID 3304 wrote to memory of 3848 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 82 PID 3304 wrote to memory of 4372 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 83 PID 3304 wrote to memory of 4372 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 83 PID 3304 wrote to memory of 4372 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 83 PID 3304 wrote to memory of 3500 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 84 PID 3304 wrote to memory of 3500 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 84 PID 3304 wrote to memory of 3500 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 84 PID 3304 wrote to memory of 448 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 85 PID 3304 wrote to memory of 448 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 85 PID 3304 wrote to memory of 448 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 85 PID 3848 wrote to memory of 1920 3848 qxqfvyusrr.exe 86 PID 3848 wrote to memory of 1920 3848 qxqfvyusrr.exe 86 PID 3848 wrote to memory of 1920 3848 qxqfvyusrr.exe 86 PID 3304 wrote to memory of 1360 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 87 PID 3304 wrote to memory of 1360 3304 0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.exe"C:\Users\Admin\AppData\Local\Temp\0f51db151b22045867f53874c2c80d458cef06e87c9b2c16aed3d889ddeea8d2.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:3304 -
C:\Windows\SysWOW64\qxqfvyusrr.exeqxqfvyusrr.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:3848 -
C:\Windows\SysWOW64\brnflunj.exeC:\Windows\system32\brnflunj.exe3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1920
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C:\Windows\SysWOW64\cvcmhxyzivwbqpe.execvcmhxyzivwbqpe.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4372
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C:\Windows\SysWOW64\brnflunj.exebrnflunj.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:3500
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C:\Windows\SysWOW64\utpxxlaidupyq.exeutpxxlaidupyq.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:448
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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:1360
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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
MD53d3846f9f36cecd304a9644a96dfdb3c
SHA128d3bccb7217f630ef879a4672bc99c217226dd5
SHA2563513b3fdfa82dd9b0c5c5ccbe103ea6e6881b45079d225c8aa8220e02ca948f2
SHA5120c69897f74262294ad8e9c452f88e6b7bc0b45cbd206a17fdac17668d23bd800201dbd55a9762436fc58e5983ea335b55d0d8c5fccb1600bf575157810c216fa
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Filesize
255KB
MD5490e0e0a9cf3b2f8324b8e37d483fb85
SHA16221af0813e8b9d3a043c024824a3f387352d458
SHA256b24bfd4cdfdf2077147ac1bddc90f39a80c79bbb5772394bfd102ca8cadd2a55
SHA512125477008512545cefc60ecfd6df6a4a1694f18ee5b85c5bb6b611ce7fd587bff1d4e8b827d3684ef30ad69d6520cfb3b15ee792e6e3557e1ef7527a0b95168f
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Filesize
255KB
MD5b60c9f3b9dce59f5514746216659919d
SHA1c1092a9bb6d5854181f8484e69838bb88f15c820
SHA2568b9b7df501d215de6a2b7379f5b26b75f0d293eaf67c078c374b28cf8b58bff3
SHA5127d301860c14eec5a10824a3f58ef0c630e6c9fae289a75d632225fe3b4d87446a1d33a40fdec1c4c4571450be40f523ba4f0967f961dfda4547aca28a052d4c6
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Filesize
255KB
MD5b60c9f3b9dce59f5514746216659919d
SHA1c1092a9bb6d5854181f8484e69838bb88f15c820
SHA2568b9b7df501d215de6a2b7379f5b26b75f0d293eaf67c078c374b28cf8b58bff3
SHA5127d301860c14eec5a10824a3f58ef0c630e6c9fae289a75d632225fe3b4d87446a1d33a40fdec1c4c4571450be40f523ba4f0967f961dfda4547aca28a052d4c6
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Filesize
255KB
MD5b60c9f3b9dce59f5514746216659919d
SHA1c1092a9bb6d5854181f8484e69838bb88f15c820
SHA2568b9b7df501d215de6a2b7379f5b26b75f0d293eaf67c078c374b28cf8b58bff3
SHA5127d301860c14eec5a10824a3f58ef0c630e6c9fae289a75d632225fe3b4d87446a1d33a40fdec1c4c4571450be40f523ba4f0967f961dfda4547aca28a052d4c6
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Filesize
255KB
MD5488e1aaf5b5171e24082bfc30639a131
SHA15a25b8fce1e87e9b3ee981187624b4cdb9825389
SHA256788adf601994a4db49ab97ddbe4a78bcc4bb00556908f56f7ba3174bd6bc41e9
SHA5127c3de529df3e4a6f9ae9dd56ea94c95ca0e28f208d9b2154e7fedfbeedaa1d309092c0fee34c3a5c277f023d368d17b5541e616f98471177b66cef1685f040e6
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Filesize
255KB
MD5488e1aaf5b5171e24082bfc30639a131
SHA15a25b8fce1e87e9b3ee981187624b4cdb9825389
SHA256788adf601994a4db49ab97ddbe4a78bcc4bb00556908f56f7ba3174bd6bc41e9
SHA5127c3de529df3e4a6f9ae9dd56ea94c95ca0e28f208d9b2154e7fedfbeedaa1d309092c0fee34c3a5c277f023d368d17b5541e616f98471177b66cef1685f040e6
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Filesize
255KB
MD576017ffb8265a6f1240591c8756ef3bc
SHA140a02f90d01377533cf67ca44f994a696f93983c
SHA2565862b99218bb630e5e7625e8dfd425d425cf80de3806699067715f68c9db2962
SHA51295a832459c82ed1622ff75334f220210d7f6aab6c9c0ebe85e3ead075a98feec6e2abffb90b15fd37b0cf87320d63413d0e10cb7da8b8c4934a80a8e6d25e2cd
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Filesize
255KB
MD576017ffb8265a6f1240591c8756ef3bc
SHA140a02f90d01377533cf67ca44f994a696f93983c
SHA2565862b99218bb630e5e7625e8dfd425d425cf80de3806699067715f68c9db2962
SHA51295a832459c82ed1622ff75334f220210d7f6aab6c9c0ebe85e3ead075a98feec6e2abffb90b15fd37b0cf87320d63413d0e10cb7da8b8c4934a80a8e6d25e2cd
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Filesize
255KB
MD57f3ec16ce3979cc37e77029020d0b5d3
SHA190c64564af5bafbeac606d53eb9427e1a9dbb500
SHA256d377419a710ba35f4ef5fd93b46e336bb737dbcee9508bd464fc829d436b630d
SHA51200f4cf6e620b35435340835f2fb440725f2a85d440251a5bdc09f3330e4dbf4e90d121f448911670521c4388333c6a8148f76748e5b9f5dd94da9a97225aac85
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Filesize
255KB
MD57f3ec16ce3979cc37e77029020d0b5d3
SHA190c64564af5bafbeac606d53eb9427e1a9dbb500
SHA256d377419a710ba35f4ef5fd93b46e336bb737dbcee9508bd464fc829d436b630d
SHA51200f4cf6e620b35435340835f2fb440725f2a85d440251a5bdc09f3330e4dbf4e90d121f448911670521c4388333c6a8148f76748e5b9f5dd94da9a97225aac85
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Filesize
223B
MD506604e5941c126e2e7be02c5cd9f62ec
SHA14eb9fdf8ff4e1e539236002bd363b82c8f8930e1
SHA25685f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
SHA512803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7