Analysis
- max time kernel
158s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
14/02/2024, 05:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
9ad9d7d523b75e890947bd6646160081.exe
Resource
win7-20231215-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
9ad9d7d523b75e890947bd6646160081.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 9ad9d7d523b75e890947bd6646160081.exe
- Size 144KB
- Sample240214-fy9ypsbb88
- SHA256 9c160f1aa6655bc6fafda9661371bc208eb14d252b62aa9e9cf781564f4573cf
- MD5 9ad9d7d523b75e890947bd6646160081
- SHA1 c238759db62ecbcdd33c7f5743a6ae8fc0bd8461
- SHA512 d11dd110a2b99b75fa0596e0a1d4f47ddd1cc4639142224ee25a13b9133f8c2672f2fd0aeb3cbd858a36d3621c2e40260cadaa2a4d5eae537d23da63c1bdefd7
- SSDEEP 3072:jrKsLmN0018kQkEx6wl9Tz6vqfNPO4kW2568yHnXMiqm2IO:jr8Mkm1XNfFe568yHn8iM
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x00070000000231ec-16.dat acprotect behavioral2/files/0x00060000000231f1-20.dat acprotect - Executes dropped EXE 1 IoCs
pid Process 3280 wauctl9x.exe - Loads dropped DLL 5 IoCs
pid Process 3280 wauctl9x.exe 3280 wauctl9x.exe 3280 wauctl9x.exe 3280 wauctl9x.exe 3280 wauctl9x.exe -
resource yara_rule behavioral2/files/0x00070000000231e9-2.dat upx behavioral2/files/0x00060000000231f1-20.dat upx behavioral2/memory/3280-23-0x0000000000460000-0x0000000000474000-memory.dmp upx behavioral2/memory/3280-4-0x0000000000400000-0x0000000000419000-memory.dmp upx behavioral2/memory/3280-27-0x0000000000400000-0x0000000000419000-memory.dmp upx - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TaskScheduling = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9ad9d7d523b75e890947bd6646160081.exe" 9ad9d7d523b75e890947bd6646160081.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SndPnpMix = "C:\\Windows\\SysWOW64\\wauctl9x.exe" wauctl9x.exe - Installs/modifies Browser Helper Object 2 TTPs 6 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0E234239-88FF-11D2-8446-D7234234421F} wauctl9x.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} wauctl9x.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} wauctl9x.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0E234239-88FF-11D2-8446-D7234234421F} wauctl9x.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects wauctl9x.exe - Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\msxxabt4.dll wauctl9x.exe File created C:\Windows\SysWOW64\msasmsn7.dll wauctl9x.exe File created C:\Windows\SysWOW64\wauctl9x.exe 9ad9d7d523b75e890947bd6646160081.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main wauctl9x.exe - Modifies Internet Explorer start page 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "about:blank" wauctl9x.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "about:blank" wauctl9x.exe - Modifies data under HKEY_USERS 6 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "about:blank" wauctl9x.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\Main wauctl9x.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\Main\Start Page = "about:blank" wauctl9x.exe Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\Main wauctl9x.exe Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "about:blank" wauctl9x.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\Main wauctl9x.exe - Modifies registry class 28 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\InprocServer32 wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\ProxyStubClsid wauctl9x.exe Set value (str) \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Software\Microsoft\Internet Explorer\Main\Start Page = "about:blank" wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F} wauctl9x.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\InprocServer32\ = "C:\\Windows\\SysWow64\\msasmsn7.dll" wauctl9x.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\InprocServer32\ThreadingModel = "Apartment" wauctl9x.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}\1.0\0\win32 wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}\1.0\0 wauctl9x.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Software wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F} wauctl9x.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\TypeLib wauctl9x.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\TypeLib\ = "{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}" wauctl9x.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\msasmsn7.dll" wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\ProxyStubClsid32 wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F} wauctl9x.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Software\Microsoft wauctl9x.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Software\Microsoft\Internet Explorer wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Handler\about wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\Programmable wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\Typelib wauctl9x.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\Typelib\ = "{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}" wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}\1.0 wauctl9x.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3050F406-98B5-11CF-BB82-00AA00BDCE0B}\InprocServer32 wauctl9x.exe Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Software\Microsoft\Internet Explorer\Main wauctl9x.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\TypeLib\Version = "1.0" wauctl9x.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3280 wauctl9x.exe 3280 wauctl9x.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1452 wrote to memory of 3280 1452 9ad9d7d523b75e890947bd6646160081.exe 84 PID 1452 wrote to memory of 3280 1452 9ad9d7d523b75e890947bd6646160081.exe 84 PID 1452 wrote to memory of 3280 1452 9ad9d7d523b75e890947bd6646160081.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\9ad9d7d523b75e890947bd6646160081.exe"C:\Users\Admin\AppData\Local\Temp\9ad9d7d523b75e890947bd6646160081.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1452 -
C:\Windows\SysWOW64\wauctl9x.exeC:\Windows\system32\wauctl9x.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3280
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\msasmsn7.dll
- Size 30KB
- SHA256 219826eb9627aa8da047ee2d7b0ee4c215db4c28eb4d2b22d399389d02f47f75
- MD5 479e7cff49df8d33989c364ac2bb4b5b
- SHA1 3d23af8ee9352530b3003a688bbbd03f654c7a39
- SHA512 ebb351f95e1237f6fd244d0a13ccbb52fe4a7dd711af2dc9fbe873118e785166a9246902d13321fc6b6660101732dcde08c18353d191216d9b828d89bd2e59f5
- SSDEEP 768:/e1FWcvjKVbUUgXw9z4X5IJsq2adZSkFQxb:WhGmYMXiJ0adZWd
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\msxxabt4.dll
- Size 43KB
- SHA256 a415de1e15ff37d6d756a570065bfacc0185541ca57d0f6742052cb55f490939
- MD5 41da5228f3d12bf91de75dfc41142a0b
- SHA1 b632d9015236549c4e7b81635bf02feb25bd5530
- SHA512 1bb32849c3f106e80b7acc72721eb8468ec4dee5ebca36983aae73c030092697383d75a2cd0fb87ebe522c542737be50e7a4cf29ce72d2d32936c1421b5b17d3
- SSDEEP 768:hnmdyIhhsdx0/w3lFZExQpUBk+L2Wq85iybp08kO6OSFQKOOMfuNo:hnb/0/wF2Z3q8RlkO9SFQ7luC
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\wauctl9x.exe
- Size 74KB
- SHA256 ca316772cd63ce9ccf04f4f1c986e27110f92a004e0402112895391dc461af41
- MD5 cf7abe9486bf4d63d67fffd37fb3ab41
- SHA1 6b1d29c62f82224ec8d26019bab0136e574626a4
- SHA512 3d0d2a1a30401faa0a42b09b633264c60766c3e0305322d7b5fba3091f1e8c585fc473c24aca1188da3875512c024b85f03de6508900a6e574e53595cfc92164
- SSDEEP 1536:jvqfuWW9Lg4cPa7hElVg08Wuj5+JP38NIHnXMi5KnAz2I:jvqfNPO4kW2568yHnXMiqm2I
- MD5 SHA1 SHA512 SSDEEP