529d42831cf2151e33cce12a6a7b3464274fed0b16beb9d56885c6f65e6d0392

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 02:20

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General

Target

8b251727424463f77653a4847b45b5b9.dll
Size

8KB
MD5

8b251727424463f77653a4847b45b5b9
SHA1

14b2d4f6a3b8e2581fd49f438fa74ee9657a5c8e
SHA256

529d42831cf2151e33cce12a6a7b3464274fed0b16beb9d56885c6f65e6d0392
SHA512

ff4a6d7c6b45a56d76ec370c8bb72ccd59dfca3ffa7f49d4c236b48c59eed3487c6b312595ddd4832cab572c4e46ea39644b065de65eff34419687555b536c6e
SSDEEP

192:8pkAc3vCrrcP7ws4UDkyLBHt3+LCDv5gv0kz1:Ck7qr4Tl4anVY6

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
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\www = "www"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b251727424463f77653a4847b45b5b9.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2072	2208	regsvr32.exe	28
PID 2208 wrote to memory of 2072	2208	regsvr32.exe	28
PID 2208 wrote to memory of 2072	2208	regsvr32.exe	28
PID 2208 wrote to memory of 2072	2208	regsvr32.exe	28
PID 2208 wrote to memory of 2072	2208	regsvr32.exe	28
PID 2208 wrote to memory of 2072	2208	regsvr32.exe	28
PID 2208 wrote to memory of 2072	2208	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8b251727424463f77653a4847b45b5b9.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8b251727424463f77653a4847b45b5b9.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2072

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

Replay Monitor

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Downloads

memory/2072-0-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

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