b45dee0aa0ce613f1290b7c9605a0a2d26b2761e55866188c94e8b6010b854af

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 06:06

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General

Target
8b976d3bd29039aa62e5830a0b14fc3a.dll
Size 422KB
Sample240203-gt4fssdbdm
SHA256 b45dee0aa0ce613f1290b7c9605a0a2d26b2761e55866188c94e8b6010b854af
MD5 8b976d3bd29039aa62e5830a0b14fc3a
SHA1 e08830b1c8653b4ee96ce3f26a1a49507d2fdd51
SHA512 65839fb5fe87bbad88f5628a161f54848043f3213f770d9ce3fa321ffdd93d036129480a67be048f34afe6684f9627f2b6f58347acce1564fdcf7395ef6d0b53
SSDEEP 6144:QGLBn9uqc7wCRpHNJUhI966AGkAjOpoaY7j4itUdBFBGLfXenDBcmye35:Q4n9wkCjkq6xGJOpqH4itkm7O6beJ
MD5 SHA1 SHA512 SSDEEP

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\{df9ea63e-1016-af4b-34bb-967b3cd94e59}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{df9ea63e-1016-af4b-34bb-967b3cd94e59}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{df9ea63e-1016-af4b-34bb-967b3cd94e59}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{df9ea63e-1016-af4b-34bb-967b3cd94e59}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b976d3bd29039aa62e5830a0b14fc3a.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{df9ea63e-1016-af4b-34bb-967b3cd94e59}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{df9ea63e-1016-af4b-34bb-967b3cd94e59}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{df9ea63e-1016-af4b-34bb-967b3cd94e59}\ = "adzgalore"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 1548	2196	regsvr32.exe	28
PID 2196 wrote to memory of 1548	2196	regsvr32.exe	28
PID 2196 wrote to memory of 1548	2196	regsvr32.exe	28
PID 2196 wrote to memory of 1548	2196	regsvr32.exe	28
PID 2196 wrote to memory of 1548	2196	regsvr32.exe	28
PID 2196 wrote to memory of 1548	2196	regsvr32.exe	28
PID 2196 wrote to memory of 1548	2196	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8b976d3bd29039aa62e5830a0b14fc3a.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8b976d3bd29039aa62e5830a0b14fc3a.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1548

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

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Downloads

memory/1548-0-0x0000000010000000-0x000000001009B000-memory.dmp

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memory/1548-1-0x0000000000510000-0x000000000056A000-memory.dmp

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memory/1548-2-0x00000000030E0000-0x00000000030E2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads