70fa3313cececb8416f3b75cd8402c7b7da358ee0360de893af89c2b90bd41c3

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2024 07:54

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General

Target

5863f090b04c25870b83efd9a8f84920.dll
Size

162KB
MD5

5863f090b04c25870b83efd9a8f84920
SHA1

dee30eba8e26dee19983a7917d7024355a050559
SHA256

70fa3313cececb8416f3b75cd8402c7b7da358ee0360de893af89c2b90bd41c3
SHA512

27648386dd6e001492627c75b788b120b7415707acfddc373f549c87757462dba420d29a3faf80aff0a9afcf8a4b3f9d0e14ac3a03aecdf7e710a89191268280
SSDEEP

3072:mWHTquflwjk4lfg+RI6zRdNj+p9QTeo8eoxwp4HdLoGyMv5X:rHGuflQk4xg+RjRjj+pZxxwW9UkB

Score

6^/10

adware persistence stealer

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\{a90bda4b-8292-ae53-d7c4-29adbd45ff2c} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\5863f090b04c25870b83efd9a8f84920.dll\" DllStub"	regsvr32.exe

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\{62992f23-dcf6-1af0-da3f-4933cf1ba145}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{62992f23-dcf6-1af0-da3f-4933cf1ba145}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62992f23-dcf6-1af0-da3f-4933cf1ba145}\ = "agadoo browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62992f23-dcf6-1af0-da3f-4933cf1ba145}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62992f23-dcf6-1af0-da3f-4933cf1ba145}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5863f090b04c25870b83efd9a8f84920.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62992f23-dcf6-1af0-da3f-4933cf1ba145}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62992f23-dcf6-1af0-da3f-4933cf1ba145}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 4908	3484	regsvr32.exe	88
PID 3484 wrote to memory of 4908	3484	regsvr32.exe	88
PID 3484 wrote to memory of 4908	3484	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5863f090b04c25870b83efd9a8f84920.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5863f090b04c25870b83efd9a8f84920.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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