dc5bd427c383b4f94893001f05a317da04083ec6e8b14e05c01c275a8af4fd82

Analysis

max time kernel
11s
max time network
32s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 14:24

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General

Target

dc5bd427c383b4f94893001f05a317da04083ec6e8b14e05c01c275a8af4fd82.dll
Size

122KB
MD5

fceb8914cd6353a70a71cec15a79fd0d
SHA1

df73d24e2ecf46de45a443179058ee3642b02ffd
SHA256

dc5bd427c383b4f94893001f05a317da04083ec6e8b14e05c01c275a8af4fd82
SHA512

c48f4cc12fb1666f15c5c4eda059d7cf424ecb3425dc3725f76822c8fb53f75f5296dbea851a6ae43dd72344f624c323e3de9db31cfbfbe92eaadae39ece804c
SSDEEP

3072:AvfUnoUWhul7DYazdxSRz9sTsBO+FWsWWyAeScrV9:OU74A7LdMRnbyjS

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\{B6F1A1CB-D1DD-1D0C-B1FC-E145647302C1}	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B6F1A1CB-D1DD-1D0C-B1FC-E145647302C1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B6F1A1CB-D1DD-1D0C-B1FC-E145647302C1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc5bd427c383b4f94893001f05a317da04083ec6e8b14e05c01c275a8af4fd82.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B6F1A1CB-D1DD-1D0C-B1FC-E145647302C1}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B6F1A1CB-D1DD-1D0C-B1FC-E145647302C1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B6F1A1CB-D1DD-1D0C-B1FC-E145647302C1}\	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1116	1748	regsvr32.exe	28
PID 1748 wrote to memory of 1116	1748	regsvr32.exe	28
PID 1748 wrote to memory of 1116	1748	regsvr32.exe	28
PID 1748 wrote to memory of 1116	1748	regsvr32.exe	28
PID 1748 wrote to memory of 1116	1748	regsvr32.exe	28
PID 1748 wrote to memory of 1116	1748	regsvr32.exe	28
PID 1748 wrote to memory of 1116	1748	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc5bd427c383b4f94893001f05a317da04083ec6e8b14e05c01c275a8af4fd82.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\dc5bd427c383b4f94893001f05a317da04083ec6e8b14e05c01c275a8af4fd82.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1116

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

Replay Monitor

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Downloads

memory/1116-56-0x0000000076381000-0x0000000076383000-memory.dmp

Filesize
8KB

Download
memory/1748-54-0x000007FEFBCA1000-0x000007FEFBCA3000-memory.dmp

Filesize
8KB

Download