d8435d720adb6275c34579558fb64556c4b419088eaf329a44be0b8028dec021

Analysis

max time kernel
141s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 13:27

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General

Target

37fdc34bf5557249b2ef05905f92bf2c.dll
Size

388KB
MD5

37fdc34bf5557249b2ef05905f92bf2c
SHA1

1bcf00a4aa514d3598890c0615fd0c36a99663ed
SHA256

d8435d720adb6275c34579558fb64556c4b419088eaf329a44be0b8028dec021
SHA512

e274913b19ebfb190a2cb8e63ed15a4840e23a5af764b3da5fdb4a5fb17db5e789846a8ef0953be285c0ecbc2460ba57fc11f7d0c1d95858d07795785ffa3080
SSDEEP

6144:E9/tX6ReGeGeGeCQ7YgYgYgYLSqSqSqSQcSqSqSqSjwVn+kHZmPs:otTgkfHZ

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\{D83E84DA-D187-4300-B5D7-727727352096}	regsvr32.exe

Modifies registry class 60 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ucjs0l.Bho\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\ = "IBho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ZoooGoo\CLSID\ = "{D83E84DA-D187-4300-B5D7-727727352096}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ucjs0l.Bho\CurVer\ = "ZoooGoo"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\ = "Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\ = "HACK.SPY"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\ = "_IBhoEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\37FDC3~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\VersionIndependentProgID\ = "ucjs0l.Bho"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\ = "IBho"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ZoooGoo\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ucjs0l.Bho	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ucjs0l.Bho\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ucjs0l.Bho\CLSID\ = "{D83E84DA-D187-4300-B5D7-727727352096}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ZoooGoo\ = "HACK.SPY"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ucjs0l.Bho\ = "HACK.SPY"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\ProgID\ = "ZoooGoo"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\TypeLib\ = "{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ZoooGoo	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\ = "_IBhoEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{15C7D7AD-A87A-4C0D-9D8B-637FCD3488EF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\37fdc34bf5557249b2ef05905f92bf2c.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B038F224-F9F5-4B83-A0D0-43D68D8E3CFE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E062203C-7759-4B2F-8EE7-DF725EED1DB7}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D83E84DA-D187-4300-B5D7-727727352096}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 4620	2988	regsvr32.exe	88
PID 2988 wrote to memory of 4620	2988	regsvr32.exe	88
PID 2988 wrote to memory of 4620	2988	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\37fdc34bf5557249b2ef05905f92bf2c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\37fdc34bf5557249b2ef05905f92bf2c.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4620

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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