de2ccd27f72d4ec3635cf19f2d5304a34d017881f66d3607cda4a68c012aba2c

Analysis

max time kernel
133s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 14:12

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General

Target

de2ccd27f72d4ec3635cf19f2d5304a34d017881f66d3607cda4a68c012aba2c.dll
Size

2.3MB
MD5

1c33552d366512660b4d1c210f7ffa39
SHA1

d1ae10b9026f9fe50dd09262a1441b3c869316b7
SHA256

de2ccd27f72d4ec3635cf19f2d5304a34d017881f66d3607cda4a68c012aba2c
SHA512

79ced596344c6d285f24f0d61b46e0be3fa3ca3656c2c07aee39b833a410a43ac52d5220d3e76a0bfd8d09bdf7112aa8ce1918b7534ea55522b4be038d64eacc
SSDEEP

49152:DaPdKwgwJ5SK3AGMhJt2bKc4wYRhp26hbKD0QbtoyRt7+F:GPMwxvSK3TMhJOKyYRe0QJo4qF

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\{C2B5AAB8-2183-4be7-81A6-F11493C45872}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\InProcServer32\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2B5AAB8-2183-4be7-81A6-F11493C45872}\ = "Antivirus Plus BHO"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 2144	4828	regsvr32.exe	79
PID 4828 wrote to memory of 2144	4828	regsvr32.exe	79
PID 4828 wrote to memory of 2144	4828	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\de2ccd27f72d4ec3635cf19f2d5304a34d017881f66d3607cda4a68c012aba2c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\de2ccd27f72d4ec3635cf19f2d5304a34d017881f66d3607cda4a68c012aba2c.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2144

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/2144-133-0x00000000005D0000-0x00000000005E2000-memory.dmp

Filesize
72KB

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memory/2144-138-0x0000000002360000-0x00000000025A2000-memory.dmp

Filesize
2.3MB

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