e286cc4e0f7e2a01eeb47af5193af7b0d7b5937befe4db9af17df507af0b25af

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 17:11

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General

Target

$COMMONFILES/Angels/IEsafe.dll
Size

1.0MB
MD5

e17b2e98ece6437d1c4706bec74f4123
SHA1

12e35f617552c6f46f28a591d243921760d2553d
SHA256

5d112bb59e28f4e2c2caf5d66b76cd625f04e79d87e69610e835653bf4f7574c
SHA512

1b666d0a02d5f0647362fcffa46af47a41583406129a7aaf903e395563f9a07be238d3277ad0c841473c5ca0cc56d0a1c5ae2c1033518125b0207f594c691a82
SSDEEP

12288:IfpD/QT3YycROwCH7JrNxfhcfVuOfkY0Kqpx/25tbyoVmmjyHe4TBu1pJLR3j3LT:6sPrm++ou1p/j3LTD9JBp

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7369D35A-5B70-4A5B-B789-B25FE09B4AF3}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Toolbar	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar\{43869BB3-22FD-4F15-9B46-238106BA2F4E} = "IESafeBar Class"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\{43869BB3-22FD-4F15-9B46-238106BA2F4E} = b39b8643fd22154f9b46238106ba2f4e	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\ShellBrowser	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\ShellBrowser\{43869BB3-22FD-4F15-9B46-238106BA2F4E} = b39b8643fd22154f9b46238106ba2f4e	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}\VersionIndependentProgID\ = "IESafeBarCtrl.IESafeBar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.BrowserHelper	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.BrowserHelper\CurVer\ = "IESafeBarCtrl.BrowserHelper.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2AB504-F42C-4E32-B9B1-90FF01E8E61A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0FF868E0-29C9-476A-A82E-F2BA07D53129}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B03966F2-C15C-4A81-A6A4-2A273F4E60D6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\Angels\\IEsafe.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2DD9AF1-C336-49D4-A59E-880807A02DCF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0FF868E0-29C9-476A-A82E-F2BA07D53129}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B03966F2-C15C-4A81-A6A4-2A273F4E60D6}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0BAB0B07-1797-4B44-A381-5A1BDF48B5A2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2DD9AF1-C336-49D4-A59E-880807A02DCF}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2DD9AF1-C336-49D4-A59E-880807A02DCF}\1.0\ = "IESafeBarCtrl 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BA53E651-292F-4376-A3D8-BFAEFB8DDA58}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}\ = "IE上网精灵"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7369D35A-5B70-4A5B-B789-B25FE09B4AF3}\ = "BrowserHelper Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.WindowEventHandler\CurVer\ = "IESafeBarCtrl.WindowEventHandler.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}\TypeLib\ = "{E2DD9AF1-C336-49D4-A59E-880807A02DCF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F1FD1210-3B1E-4D72-8F60-88D26B152B7B}\TypeLib\ = "{E2DD9AF1-C336-49D4-A59E-880807A02DCF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.WindowEventHandler\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2AB504-F42C-4E32-B9B1-90FF01E8E61A}\VersionIndependentProgID\ = "IESafeBarCtrl.WindowEventHandler"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0FF868E0-29C9-476A-A82E-F2BA07D53129}\ = "IBrowserHelper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0FF868E0-29C9-476A-A82E-F2BA07D53129}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B03966F2-C15C-4A81-A6A4-2A273F4E60D6}\TypeLib\ = "{E2DD9AF1-C336-49D4-A59E-880807A02DCF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7369D35A-5B70-4A5B-B789-B25FE09B4AF3}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7369D35A-5B70-4A5B-B789-B25FE09B4AF3}\Implemented Categories\{56FFCC30-D398-11d0-B2AE-00A0C908FA49}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.DocEventHandler	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F1FD1210-3B1E-4D72-8F60-88D26B152B7B}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2AB504-F42C-4E32-B9B1-90FF01E8E61A}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BA53E651-292F-4376-A3D8-BFAEFB8DDA58}\ = "IIESafeBar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B03966F2-C15C-4A81-A6A4-2A273F4E60D6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0BAB0B07-1797-4B44-A381-5A1BDF48B5A2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.IESafeBar\CLSID\ = "{43869BB3-22FD-4F15-9B46-238106BA2F4E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F1FD1210-3B1E-4D72-8F60-88D26B152B7B}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.IESafeBar.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.IESafeBar\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2AB504-F42C-4E32-B9B1-90FF01E8E61A}\ = "WindowEventHandler Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2AB504-F42C-4E32-B9B1-90FF01E8E61A}\ProgID\ = "IESafeBarCtrl.WindowEventHandler.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B03966F2-C15C-4A81-A6A4-2A273F4E60D6}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0BAB0B07-1797-4B44-A381-5A1BDF48B5A2}\ = "IWindowEventHandler"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7369D35A-5B70-4A5B-B789-B25FE09B4AF3}\ProgID\ = "IESafeBarCtrl.BrowserHelper.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F1FD1210-3B1E-4D72-8F60-88D26B152B7B}\VersionIndependentProgID\ = "IESafeBarCtrl.DocEventHandler"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BA53E651-292F-4376-A3D8-BFAEFB8DDA58}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0FF868E0-29C9-476A-A82E-F2BA07D53129}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B03966F2-C15C-4A81-A6A4-2A273F4E60D6}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B03966F2-C15C-4A81-A6A4-2A273F4E60D6}\TypeLib\ = "{E2DD9AF1-C336-49D4-A59E-880807A02DCF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B03966F2-C15C-4A81-A6A4-2A273F4E60D6}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.BrowserHelper.1\ = "BrowserHelper Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2AB504-F42C-4E32-B9B1-90FF01E8E61A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F1FD1210-3B1E-4D72-8F60-88D26B152B7B}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2AB504-F42C-4E32-B9B1-90FF01E8E61A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2DD9AF1-C336-49D4-A59E-880807A02DCF}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BA53E651-292F-4376-A3D8-BFAEFB8DDA58}\ = "IIESafeBar"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0FF868E0-29C9-476A-A82E-F2BA07D53129}\ = "IBrowserHelper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0FF868E0-29C9-476A-A82E-F2BA07D53129}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0BAB0B07-1797-4B44-A381-5A1BDF48B5A2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IESafeBarCtrl.IESafeBar.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{43869BB3-22FD-4F15-9B46-238106BA2F4E}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7369D35A-5B70-4A5B-B789-B25FE09B4AF3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$COMMONFILES\\Angels\\IEsafe.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2004	2180	regsvr32.exe	28
PID 2180 wrote to memory of 2004	2180	regsvr32.exe	28
PID 2180 wrote to memory of 2004	2180	regsvr32.exe	28
PID 2180 wrote to memory of 2004	2180	regsvr32.exe	28
PID 2180 wrote to memory of 2004	2180	regsvr32.exe	28
PID 2180 wrote to memory of 2004	2180	regsvr32.exe	28
PID 2180 wrote to memory of 2004	2180	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$COMMONFILES\Angels\IEsafe.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$COMMONFILES\Angels\IEsafe.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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