b6e34bd589a7b68498f01d5c877409ed11ba450402c6b88d351a984833d8fc35

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 17:27

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General

Target

de8e451cb4e4e6912ac6610e9b659c6c.dll
Size

640KB
MD5

de8e451cb4e4e6912ac6610e9b659c6c
SHA1

32151a808d3a08e79ec2e6add066698334896755
SHA256

b6e34bd589a7b68498f01d5c877409ed11ba450402c6b88d351a984833d8fc35
SHA512

e6feff556c7e688e4d1147fb00bc4c1fe8e8a10bba02f96745186673db3d5f467169b9fe564f7975ec6ea320083df94181fb2be0f454c0ba3803562dd46f2ce1
SSDEEP

12288:G0Et9YDc5DMWfT44XUDxoyiD02sHta8ttwhcw2tePm:WtWDc/EXouPtdKhhA+

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\{CC01FC6C-F9B4-688F-C718-7D1B81D6DBE8}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-F9B4-688F-C718-7D1B81D6DBE8}\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-F9B4-688F-C718-7D1B81D6DBE8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\de8e451cb4e4e6912ac6610e9b659c6c.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\de8e451cb4e4e6912ac6610e9b659c6c.brm inc\Clsid\ = "{CC01FC6C-F9B4-688F-C718-7D1B81D6DBE8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-F9B4-688F-C718-7D1B81D6DBE8}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-F9B4-688F-C718-7D1B81D6DBE8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-F9B4-688F-C718-7D1B81D6DBE8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-F9B4-688F-C718-7D1B81D6DBE8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\de8e451cb4e4e6912ac6610e9b659c6c.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\de8e451cb4e4e6912ac6610e9b659c6c.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\de8e451cb4e4e6912ac6610e9b659c6c.brm inc\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-F9B4-688F-C718-7D1B81D6DBE8}\ProgID\ = "de8e451cb4e4e6912ac6610e9b659c6c.brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 1652	2112	regsvr32.exe	28
PID 2112 wrote to memory of 1652	2112	regsvr32.exe	28
PID 2112 wrote to memory of 1652	2112	regsvr32.exe	28
PID 2112 wrote to memory of 1652	2112	regsvr32.exe	28
PID 2112 wrote to memory of 1652	2112	regsvr32.exe	28
PID 2112 wrote to memory of 1652	2112	regsvr32.exe	28
PID 2112 wrote to memory of 1652	2112	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\de8e451cb4e4e6912ac6610e9b659c6c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\de8e451cb4e4e6912ac6610e9b659c6c.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1652

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/1652-0-0x00000000022B0000-0x0000000002355000-memory.dmp

Filesize
660KB

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