e4442dd1b02fd3806763e7d46845b9007135fccde143f08737fc246a70f655e0

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11-01-2024 02:47

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General

Target

5253bb70fe92ce56af12e774b36945b4.dll
Size

640KB
MD5

5253bb70fe92ce56af12e774b36945b4
SHA1

60cfd21a9103943bf234e27e2d452efdc9a4796f
SHA256

e4442dd1b02fd3806763e7d46845b9007135fccde143f08737fc246a70f655e0
SHA512

d50b52e4a923fe982f2c64ff1f4d2f046ecfd72ae9553ee0dbd62aaf94ca303574e477ad8e2594807d9901db305eef58e8c69307a2cea90d77963100a197c063
SSDEEP

12288:e0Et9YDc5DMWfT44XUDxoyiD02sHL1ACxB/XGh+a2tePm:OtWDc/EXouPL1ACxB/2h+aA+

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-CB44-319F-C5D4-6BD772685786}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB44-319F-C5D4-6BD772685786}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5253bb70fe92ce56af12e774b36945b4.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB44-319F-C5D4-6BD772685786}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5253bb70fe92ce56af12e774b36945b4.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\5253bb70fe92ce56af12e774b36945b4.brm inc\Clsid\ = "{CC01FC6C-CB44-319F-C5D4-6BD772685786}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB44-319F-C5D4-6BD772685786}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB44-319F-C5D4-6BD772685786}\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB44-319F-C5D4-6BD772685786}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5253bb70fe92ce56af12e774b36945b4.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB44-319F-C5D4-6BD772685786}\ProgID\ = "5253bb70fe92ce56af12e774b36945b4.brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-CB44-319F-C5D4-6BD772685786}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\5253bb70fe92ce56af12e774b36945b4.brm inc\ = "brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2140	2060	regsvr32.exe	28
PID 2060 wrote to memory of 2140	2060	regsvr32.exe	28
PID 2060 wrote to memory of 2140	2060	regsvr32.exe	28
PID 2060 wrote to memory of 2140	2060	regsvr32.exe	28
PID 2060 wrote to memory of 2140	2060	regsvr32.exe	28
PID 2060 wrote to memory of 2140	2060	regsvr32.exe	28
PID 2060 wrote to memory of 2140	2060	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5253bb70fe92ce56af12e774b36945b4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5253bb70fe92ce56af12e774b36945b4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2140

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/2140-0-0x0000000000980000-0x0000000000A25000-memory.dmp

Filesize
660KB

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