d5c778270504fbf84c10ed4700ba9c7763d337ae6ffe4d9cddced5c92695d879

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 11:00

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General

Target
b8937e2972af5185916728c7920bcdd2.dll
Size 300KB
Sample240307-m39xtshf93
SHA256 d5c778270504fbf84c10ed4700ba9c7763d337ae6ffe4d9cddced5c92695d879
MD5 b8937e2972af5185916728c7920bcdd2
SHA1 132fbb32f5239e257a8cefde2b1693d08a9e4215
SHA512 f4c52111b8e6a422631ff30e78a1b72ecaef857d37834a341e0ba1ef049d7f06944d738d31cb5c59033d42d1906f9b41d7c7f6e20c3e168e57dd70303a6c88d4
SSDEEP 3072:Gf3b5Zm9s5GR3DjYnmsIc6ICMzBJXA6Py1/sGFW3iK6p+sIQriHmfXWpTmHz92aX:m95GR3npsIPICMFJec3TVXZy70n
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{F96A5715-5022-4982-83E4-D051EC7DDC71}	regsvr32.exe

Modifies registry class 50 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\ = "amdk TL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ = "Iamdk"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8937e2972af5185916728c7920bcdd2.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ = "Iamdk"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ = "_IamdkEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\ProgID\ = "QXK.Olive"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\ = "_IamdkEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\HELPDIR\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib\ = "{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\VersionIndependentProgID\ = "QXK.Olive"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{49FE8347-F93B-4783-80CA-2EBCB6BCF391}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8937e2972af5185916728c7920bcdd2.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\ = "QXK Olive"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F96A5715-5022-4982-83E4-D051EC7DDC71}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{08B87DB6-5FFF-468D-B0F3-C2A91BF159CA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5F3E4D6-517A-43BD-B802-5EDC64B6266B}\1.0\FLAGS	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 4792	5072	regsvr32.exe	87
PID 5072 wrote to memory of 4792	5072	regsvr32.exe	87
PID 5072 wrote to memory of 4792	5072	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b8937e2972af5185916728c7920bcdd2.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b8937e2972af5185916728c7920bcdd2.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4792

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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