850ce1b2516f68593307535ed87d22e86c52095a73c2fc15a3636fc0fa986728

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 18:24

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General

Target

850ce1b2516f68593307535ed87d22e86c52095a73c2fc15a3636fc0fa986728.dll
Size

188KB
MD5

ab3b43796071e04695baaa7f9ab362af
SHA1

6ee21d21a0f85609bb687b53da5983ca0d55246d
SHA256

850ce1b2516f68593307535ed87d22e86c52095a73c2fc15a3636fc0fa986728
SHA512

8f318d9e4ca107c760d8d7eaa622dd949c1b4e5ad9edcfb0ef6ab0055a5a30de4beb9004e9423ae705d57f326f955b90e06bc57abdac152ca6c40ad2bb3f7167
SSDEEP

3072:rz93GsSxgbY/SqTz6B7ntRf7vUUTkoEYcNfO:HJGpO/++N/fxTkoE9fO

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\{78364D99-A640-4ddf-B91A-67EFF8373045}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{78364D99-A640-4ddf-B91A-67EFF8373045}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\850ce1b2516f68593307535ed87d22e86c52095a73c2fc15a3636fc0fa986728.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 1260	832	regsvr32.exe	28
PID 832 wrote to memory of 1260	832	regsvr32.exe	28
PID 832 wrote to memory of 1260	832	regsvr32.exe	28
PID 832 wrote to memory of 1260	832	regsvr32.exe	28
PID 832 wrote to memory of 1260	832	regsvr32.exe	28
PID 832 wrote to memory of 1260	832	regsvr32.exe	28
PID 832 wrote to memory of 1260	832	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\850ce1b2516f68593307535ed87d22e86c52095a73c2fc15a3636fc0fa986728.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\850ce1b2516f68593307535ed87d22e86c52095a73c2fc15a3636fc0fa986728.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:1260

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/832-54-0x000007FEFC611000-0x000007FEFC613000-memory.dmp

Filesize
8KB

Download
memory/1260-56-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1260-57-0x0000000010000000-0x000000001002F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads