ca6901a7278de17f60980044213bc1c205ffcdd2481a44eee4987d3aa1b7528c

Analysis

max time kernel
157s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 03:52

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General

Target

3fd33cc8dbef8f7f19c6532e052b23cb.dll
Size

89KB
MD5

3fd33cc8dbef8f7f19c6532e052b23cb
SHA1

c03bb33ead2e83dc4a600746bf3f6c1b39f943d8
SHA256

ca6901a7278de17f60980044213bc1c205ffcdd2481a44eee4987d3aa1b7528c
SHA512

f9b0dbbe85177425a82ff54126c099fa6d90f17537c05989da290c9528893908eba13ed81b77576ca8d85bedc2f0750bbbe9e26c0fce27bc99519de4ce3fa48e
SSDEEP

1536:Z6c2bcATlbcKNyRAO8s/d9JoIQL7qL5Z/7OTGghTzP0YEPNqNF7vSrcBP/:ZkI0tvwNqVAdYk7PNO+mP/

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4084-0-0x00000000021F0000-0x000000000222F000-memory.dmp	upx
behavioral2/memory/4084-1-0x00000000021F0000-0x000000000222F000-memory.dmp	upx

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\{60D2D2E6-C773-4CE0-92E3-701134988EB0}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{60D2D2E6-C773-4CE0-92E3-701134988EB0}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{60D2D2E6-C773-4CE0-92E3-701134988EB0}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{60D2D2E6-C773-4CE0-92E3-701134988EB0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{60D2D2E6-C773-4CE0-92E3-701134988EB0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3fd33cc8dbef8f7f19c6532e052b23cb.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 4084	3080	regsvr32.exe	89
PID 3080 wrote to memory of 4084	3080	regsvr32.exe	89
PID 3080 wrote to memory of 4084	3080	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3fd33cc8dbef8f7f19c6532e052b23cb.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3fd33cc8dbef8f7f19c6532e052b23cb.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4084

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/4084-0-0x00000000021F0000-0x000000000222F000-memory.dmp

Filesize
252KB

Download
memory/4084-1-0x00000000021F0000-0x000000000222F000-memory.dmp

Filesize
252KB

Download
memory/4084-2-0x00000000021F0000-0x000000000222F000-memory.dmp

Filesize
252KB

Download