cb779446600402fa7f5cf0a5b4b15eb8ea27bf200141a7f2cdf313e7d6d68a6f

Analysis

max time kernel
185s
max time network
195s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 03:23

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General

Target

cb779446600402fa7f5cf0a5b4b15eb8ea27bf200141a7f2cdf313e7d6d68a6f.dll
Size

374KB
MD5

84f789900628b350a7e0e28b6aca58a9
SHA1

19fe4b9111bb6d3fecf2b4d28941056bc2416ee7
SHA256

cb779446600402fa7f5cf0a5b4b15eb8ea27bf200141a7f2cdf313e7d6d68a6f
SHA512

16ea706a319610e59db8ac8dc9ef38c6f008ac7ccacbef640d2030dc0d9315edff119a78fe66a5909bfae02f0b696555ca2b03ab683fc634652224669d16a200
SSDEEP

6144:F9alH6kApcfgM0frvw/f7/zKLR52OCgToSf8k2pEvqyYP/dXPPF0Tn/sVt6xvjS:CNZrN+wnaF52OC+f8dioP1XGTn/qgvu

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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B15155BF-797C-4DF6-B73C-2875ED9831C6}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_SCRIPT_PASTE_URLACTION_IF_PROMPT	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_SCRIPT_PASTE_URLACTION_IF_PROMPT\iexplore.exe = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cb779446600402fa7f5cf0a5b4b15eb8ea27bf200141a7f2cdf313e7d6d68a6f.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B15155BF-797C-4DF6-B73C-2875ED9831C6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1660	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3792 wrote to memory of 1660	3792	regsvr32.exe	81
PID 3792 wrote to memory of 1660	3792	regsvr32.exe	81
PID 3792 wrote to memory of 1660	3792	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cb779446600402fa7f5cf0a5b4b15eb8ea27bf200141a7f2cdf313e7d6d68a6f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3792
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\cb779446600402fa7f5cf0a5b4b15eb8ea27bf200141a7f2cdf313e7d6d68a6f.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:1660

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

memory/1660-132-0x0000000000000000-mapping.dmp

Download
memory/1660-134-0x0000000001F80000-0x0000000002119000-memory.dmp

Filesize
1.6MB

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memory/1660-133-0x0000000001F80000-0x0000000002119000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads