be4ab89df33c528eef5391a9535601b8765de86a5a4e96b089e482674d597a14

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 14:10

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General

Target

1b0a11b8668741a2499ed4884383e88f.dll
Size

86KB
MD5

1b0a11b8668741a2499ed4884383e88f
SHA1

b153ef9783310c3070c3ce3dde84109a6164f60d
SHA256

be4ab89df33c528eef5391a9535601b8765de86a5a4e96b089e482674d597a14
SHA512

1be009448b01244889243fd13069fc736dd2885bce163333516a6d721eaae1aed5bd1954dfcd663ff983adab794f6c3a74bb25f8dad3bc3f29bc999f3f2d8c58
SSDEEP

1536:kYvynn+A2Vd66v0uB5HrvumuVoF4ajU1dHerwo8LOU8d04R:Rv4+AY6S0cFvucF4eAd6wJL98d0

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\{220078A1-F732-43D0-AC53-F5CE6E8E35C6}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{220078A1-F732-43D0-AC53-F5CE6E8E35C6}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{220078A1-F732-43D0-AC53-F5CE6E8E35C6}\InprocServer32	regsvr32.exe
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\{220078A1-F732-43D0-AC53-F5CE6E8E35C6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{220078A1-F732-43D0-AC53-F5CE6E8E35C6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1b0a11b8668741a2499ed4884383e88f.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2972	2748	regsvr32.exe	16
PID 2748 wrote to memory of 2972	2748	regsvr32.exe	16
PID 2748 wrote to memory of 2972	2748	regsvr32.exe	16
PID 2748 wrote to memory of 2972	2748	regsvr32.exe	16
PID 2748 wrote to memory of 2972	2748	regsvr32.exe	16
PID 2748 wrote to memory of 2972	2748	regsvr32.exe	16
PID 2748 wrote to memory of 2972	2748	regsvr32.exe	16

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1b0a11b8668741a2499ed4884383e88f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1b0a11b8668741a2499ed4884383e88f.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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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