Analysis
- max time kernel
93s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
10/04/2024, 11:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
eaeb3d87132987c5f27f9159c4687fb8_JaffaCakes118.dll
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
General
- Target eaeb3d87132987c5f27f9159c4687fb8_JaffaCakes118.dll
- Size 321KB
- Sample240410-m55qwsdd85
- SHA256 885b28f8e96eea72a53293cd5b5725851e3b1174a970d57fa045ebca0e856a7d
- MD5 eaeb3d87132987c5f27f9159c4687fb8
- SHA1 1f2884dcbbe93fa83b1098153286a326a4567dfe
- SHA512 182b4cb9714125d219426f279ed056c37a7f7b6dc0e08452ea533143bf5633efcb922da6f9bc8af3c367ca66f5605ad3a36e2b25c3efcffda4e8d3ac9c67d004
- SSDEEP 6144:iB0FBEbiIGEY724Z0aJe7plFdEz7nQW09YCs0os:y4FZEY724ZzJ+plOQB9YNX
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Installs/modifies Browser Helper Object 2 TTPs 3 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\{DE6532E2-FD43-4DFB-9108-14140DBAB88C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\ = "tprlibP" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\NoExplorer = "1" regsvr32.exe - Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0B62BEBA-FE11-41A7-B2D8-5A6437525101}\TypeLib\ = "{F31776F2-6138-4179-B062-6C00E71589F7}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Mwldsmiywjelk\ = "tprlibB Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44D67555-2D4E-4227-AB49-E509D025C487}\ProgID\ = "tprlib.BClass.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F31776F2-6138-4179-B062-6C00E71589F7}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A60B986B-4FED-44F4-A830-47CE85A85E88}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A60B986B-4FED-44F4-A830-47CE85A85E88}\ = "IMwldsmiywjelk" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A60B986B-4FED-44F4-A830-47CE85A85E88}\TypeLib\ = "{F31776F2-6138-4179-B062-6C00E71589F7}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A60B986B-4FED-44F4-A830-47CE85A85E88}\ = "PSFactoryBuffer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eaeb3d87132987c5f27f9159c4687fb8_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F31776F2-6138-4179-B062-6C00E71589F7}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eaeb3d87132987c5f27f9159c4687fb8_JaffaCakes118.dll" regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1408E208-2AC1-42D3-9F10-78A5B36E05AC}\{E4BF93C1-D1E0-422E-82C1-8338FE72BA0B} = 7b00440045003600350033003200450032002d0046004400340033002d0034004400460042002d0039003100300038002d003100340031003400300044004200410042003800380043007d00 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{E82CA17E-0C70-4F8C-AD15-5C00B3229DE5}\ = "tprlib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A60B986B-4FED-44F4-A830-47CE85A85E88}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Ptuqrxdtuvrqu\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Ptuqrxdtuvrqu\CLSID\ = "{DE6532E2-FD43-4DFB-9108-14140DBAB88C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Ptuqrxdtuvrqu.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Ptuqrxdtuvrqu\ = "tprlibA Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\tprlib.DLL regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0B62BEBA-FE11-41A7-B2D8-5A6437525101}\ = "IPtuqrxdtuvrqu" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44D67555-2D4E-4227-AB49-E509D025C487}\TypeLib\ = "{F31776F2-6138-4179-B062-6C00E71589F7}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A60B986B-4FED-44F4-A830-47CE85A85E88}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A60B986B-4FED-44F4-A830-47CE85A85E88}\InProcServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Mwldsmiywjelk.1\CLSID\ = "{44D67555-2D4E-4227-AB49-E509D025C487}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F31776F2-6138-4179-B062-6C00E71589F7}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Ptuqrxdtuvrqu regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\AppID = "{E82CA17E-0C70-4F8C-AD15-5C00B3229DE5}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F31776F2-6138-4179-B062-6C00E71589F7}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A60B986B-4FED-44F4-A830-47CE85A85E88} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44D67555-2D4E-4227-AB49-E509D025C487}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Ptuqrxdtuvrqu.1\CLSID\ = "{DE6532E2-FD43-4DFB-9108-14140DBAB88C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A60B986B-4FED-44F4-A830-47CE85A85E88} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Mwldsmiywjelk regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44D67555-2D4E-4227-AB49-E509D025C487}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B62BEBA-FE11-41A7-B2D8-5A6437525101}\TypeLib regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1408E208-2AC1-42D3-9F10-78A5B36E05AC}\{070E2C5C-40D8-4A0A-9F39-9C642B5662DA} = 7400700072006c00690062002e0064006c006c00 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\VersionIndependentProgID\ = "tprlib.AClass" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0B62BEBA-FE11-41A7-B2D8-5A6437525101} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0B62BEBA-FE11-41A7-B2D8-5A6437525101}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A60B986B-4FED-44F4-A830-47CE85A85E88}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44D67555-2D4E-4227-AB49-E509D025C487}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\ = "Streaming Video Extension" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F31776F2-6138-4179-B062-6C00E71589F7}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B62BEBA-FE11-41A7-B2D8-5A6437525101} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\WOW6432Node\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44D67555-2D4E-4227-AB49-E509D025C487}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Ptuqrxdtuvrqu.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DE6532E2-FD43-4DFB-9108-14140DBAB88C}\TypeLib\ = "{F31776F2-6138-4179-B062-6C00E71589F7}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A60B986B-4FED-44F4-A830-47CE85A85E88}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A60B986B-4FED-44F4-A830-47CE85A85E88}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eaeb3d87132987c5f27f9159c4687fb8_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Mwldsmiywjelk.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Ptuqrxdtuvrqu\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B62BEBA-FE11-41A7-B2D8-5A6437525101}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\wgpnveuntgkzhhz.Ptuqrxdtuvrqu.1\ = "tprlibA Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F31776F2-6138-4179-B062-6C00E71589F7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F31776F2-6138-4179-B062-6C00E71589F7}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A60B986B-4FED-44F4-A830-47CE85A85E88}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A60B986B-4FED-44F4-A830-47CE85A85E88}\TypeLib\ = "{F31776F2-6138-4179-B062-6C00E71589F7}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44D67555-2D4E-4227-AB49-E509D025C487} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B62BEBA-FE11-41A7-B2D8-5A6437525101}\ = "IPtuqrxdtuvrqu" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0B62BEBA-FE11-41A7-B2D8-5A6437525101}\NumMethods\ = "7" regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1932 wrote to memory of 2172 1932 regsvr32.exe 87 PID 1932 wrote to memory of 2172 1932 regsvr32.exe 87 PID 1932 wrote to memory of 2172 1932 regsvr32.exe 87
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\eaeb3d87132987c5f27f9159c4687fb8_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\eaeb3d87132987c5f27f9159c4687fb8_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2172
-