88184a610590d5fa661cacc0755d82c38f7d59a9a721cee1ca9e22960651015f

General

Target

88184a610590d5fa661cacc0755d82c38f7d59a9a721cee1ca9e22960651015f.dll
Size

252KB
MD5

4fe6e2f7398981c41ed38700060f9fae
SHA1

0bf11b9a4a7c9a692b34c6776b4d289c5ec969c1
SHA256

88184a610590d5fa661cacc0755d82c38f7d59a9a721cee1ca9e22960651015f
SHA512

d92c45f4bf241637f59d3931adf15baade2b10e7ee594d59ef9b18f077c586501554baed7b633533cfb93ffebca883958ddf1ab0ec826baeaa1d88b6e51fee40
SSDEEP

6144:LA27bgkNSQvp11A6epPODzVC2kj7gfWzEhz:LAMbpN9v7gpPOD02/fR

Score

8^/10

adware persistence stealer

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\d = "C:\\Program Files (x86)\\Internet Explorer\\ctfmonxfo.exe"	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exe

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\{57C24966-E74C-32C2-A396-9E41D9501F24}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{57C24966-E74C-32C2-A396-9E41D9501F24}\IExplore = "1"	regsvr32.exe

Drops file in Program Files directory 1 IoCs

Processes:

regsvr32.exe

description ioc process

File created C:\Program Files (x86)\Internet Explorer\ctfmonxfo.exe regsvr32.exe

description	ioc	process
File created	C:\Program Files (x86)\Internet Explorer\ctfmonxfo.exe	regsvr32.exe

Modifies registry class 41 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57C24966-E74C-32C2-A396-9E41D9501F24}\ = "D"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\TypeLib\ = "{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57C24966-E74C-32C2-A396-9E41D9501F24}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57C24966-E74C-32C2-A396-9E41D9501F24}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\88184a610590d5fa661cacc0755d82c38f7d59a9a721cee1ca9e22960651015f.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID\ = "{57C24966-E74C-32C2-A396-9E41D9501F24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57C24966-E74C-32C2-A396-9E41D9501F24}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57C24966-E74C-32C2-A396-9E41D9501F24}\ProgID\ = "D.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\TypeLib\ = "{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\ = "IDOMPeek"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID\ = "{57C24966-E74C-32C2-A396-9E41D9501F24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}\1.0\ = "LIB"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\88184a610590d5fa661cacc0755d82c38f7d59a9a721cee1ca9e22960651015f.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57C24966-E74C-32C2-A396-9E41D9501F24}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\ = "IDOMPeek"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57C24966-E74C-32C2-A396-9E41D9501F24}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57C24966-E74C-32C2-A396-9E41D9501F24}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A9F7CEB2-881F-37C3-BE4A-B2AFB53161CC}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5E00F89A-1A0A-301B-84F4-0F3557968E2E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57C24966-E74C-32C2-A396-9E41D9501F24}\VersionIndependentProgID\ = "D"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 4984 wrote to memory of 4596	4984	regsvr32.exe	regsvr32.exe
PID 4984 wrote to memory of 4596	4984	regsvr32.exe	regsvr32.exe
PID 4984 wrote to memory of 4596	4984	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\88184a610590d5fa661cacc0755d82c38f7d59a9a721cee1ca9e22960651015f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4984

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\88184a610590d5fa661cacc0755d82c38f7d59a9a721cee1ca9e22960651015f.dll
2⤵
- Adds policy Run key to start application
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies registry class
PID:4596

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/4596-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads