c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e

Analysis

max time kernel
36s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 15:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe
Size

198KB
MD5

7a62dd6af92d259fd11b681446b4ab1e
SHA1

7280c669158baa18c1ff2996d3402ba9e9216f52
SHA256

c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e
SHA512

0a101f45370bc8142379d2e331db994f73a1b25524fa738ebe2c27820a2353723b666725322e704f7bde624559591dcccb6979a35c4f8e79999b11c17ebfecf9
SSDEEP

3072:r7+mrh42ya4kcFoWZHlWzzXGOJlBpPlPlUHV2I+h+7dUchBpp:rZrh42xcTHlrMXRlPN+7dd

Score

8^/10

adware persistence stealer

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iexplore.exe\Debugger	c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\system32\\ctfmon_lr.exe"	regsvr32.exe

Loads dropped DLL 1 IoCs

pid	Process
1992	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

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\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}\IExplore = "1"	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dq41573.dll	c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe
File created	C:\Windows\SysWOW64\ctfmon_lr.exe	regsvr32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 41 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID\ = "{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}\ProgID\ = "D.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\TypeLib\ = "{FE0A5A69-3FDC-3B21-9084-44308DF6C787}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}\1.0\ = "LIB"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\TypeLib\ = "{FE0A5A69-3FDC-3B21-9084-44308DF6C787}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}\VersionIndependentProgID\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID\ = "{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\ = "IDOMPeek"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{73D7CCBD-6E7C-3016-BDF6-38227E28DB37}\InprocServer32\ = "C:\\Windows\\SysWow64\\dq41573.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE0A5A69-3FDC-3B21-9084-44308DF6C787}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\dq41573.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}\ = "IDOMPeek"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E9CE2C86-A7F3-3C1F-830F-216F0DE1B96C}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 1992	1368	c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe	27
PID 1368 wrote to memory of 1992	1368	c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe	27
PID 1368 wrote to memory of 1992	1368	c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe	27
PID 1368 wrote to memory of 1992	1368	c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe	27
PID 1368 wrote to memory of 1992	1368	c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe	27
PID 1368 wrote to memory of 1992	1368	c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe	27
PID 1368 wrote to memory of 1992	1368	c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe	27

C:\Users\Admin\AppData\Local\Temp\c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe
"C:\Users\Admin\AppData\Local\Temp\c18087af5de586664422c8b1844dee8d49cc935b27078cbb632d724a4f46771e.exe"
1⤵
- Sets file execution options in registry
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\dq41573.dll
  2⤵
  - Sets file execution options in registry
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies registry class
  PID:1992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\dq41573.dll

Filesize
192KB

MD5
3895ec96f2c08784c68ade6eb2aa701c

SHA1
1d35e2fac98b4e378b670feba13782be438cd7cb

SHA256
74163d48300f528eb5464813e81887eb5ee39cfb440f15b6df587cabeb55392c

SHA512
e652e017acedf4c96661af1ed1bb7c6a6ad0d582e02eecbdf27803023915959df0f81a0b39ca5cf8a37764913903ecaee62a44906513c20f879026a736434f54

Download Submit
\Windows\SysWOW64\dq41573.dll

Filesize
192KB

MD5
3895ec96f2c08784c68ade6eb2aa701c

SHA1
1d35e2fac98b4e378b670feba13782be438cd7cb

SHA256
74163d48300f528eb5464813e81887eb5ee39cfb440f15b6df587cabeb55392c

SHA512
e652e017acedf4c96661af1ed1bb7c6a6ad0d582e02eecbdf27803023915959df0f81a0b39ca5cf8a37764913903ecaee62a44906513c20f879026a736434f54

Download Submit
memory/1368-54-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads