4a94c2f0f8d371288f71d87e9165e4f4d484e6f72eecd082d2a82a427e640d86

Analysis

max time kernel
128s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 10:47

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General

Target

4a94c2f0f8d371288f71d87e9165e4f4d484e6f72eecd082d2a82a427e640d86.dll
Size

84KB
MD5

5f188b65a1be67b247571d8b58b38752
SHA1

1af66d1212c3a0e26777a75173bc8d93a4aa1f2f
SHA256

4a94c2f0f8d371288f71d87e9165e4f4d484e6f72eecd082d2a82a427e640d86
SHA512

7078b15cc29031e27e00d56f705de0c22173aa1bc82892da69418718d87f44cc9b7dd115498f1a148377c871512dd9b4f5ee0cfa0675e8b61b80e556592a277f
SSDEEP

1536:5NIC57WHi0rNErnxWz350pDKdUS82g9hqeFyF0sXh7SBOGGOa2K7GOLHn:P7zYCxWepmf82GINwKDn

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\{2163B02C-22F3-4690-9F74-E7C951EF71FB}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2163B02C-22F3-4690-9F74-E7C951EF71FB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2163B02C-22F3-4690-9F74-E7C951EF71FB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4a94c2f0f8d371288f71d87e9165e4f4d484e6f72eecd082d2a82a427e640d86.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2163B02C-22F3-4690-9F74-E7C951EF71FB}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2163B02C-22F3-4690-9F74-E7C951EF71FB}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 612	3304	regsvr32.exe	82
PID 3304 wrote to memory of 612	3304	regsvr32.exe	82
PID 3304 wrote to memory of 612	3304	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4a94c2f0f8d371288f71d87e9165e4f4d484e6f72eecd082d2a82a427e640d86.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4a94c2f0f8d371288f71d87e9165e4f4d484e6f72eecd082d2a82a427e640d86.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:612

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

Windows 7 deprecation

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