4f101b890a533a654288de5539517042e473b3b051d9129659c8aa4d9aae659b

Analysis

max time kernel
159s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 04:46

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General

Target

28bb9a1e400e562c3e61d8b5e59c2293.dll
Size

7KB
MD5

28bb9a1e400e562c3e61d8b5e59c2293
SHA1

d31e54a711b7e03b951b5962ed5adc5bae9c6d32
SHA256

4f101b890a533a654288de5539517042e473b3b051d9129659c8aa4d9aae659b
SHA512

cb7e9bc3ff47c03b8400b9c9d88ef5641ddefa075e9c30ded0e53765e46f9b3dd70110c08048a06c18660c5f6cb955aae170b6f7e11f12deea62553443048098
SSDEEP

192:oMF4pIw7JgUtAZR6Sv2Uf75e2SrP404B31:b4pIw1bc5xCP404

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3264-0-0x0000000010000000-0x000000001000A000-memory.dmp	upx

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\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\www = "www"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\28bb9a1e400e562c3e61d8b5e59c2293.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{0BD44AB1-76A7-4E05-92F4-4B065FE72BD6}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 3264	2972	regsvr32.exe	91
PID 2972 wrote to memory of 3264	2972	regsvr32.exe	91
PID 2972 wrote to memory of 3264	2972	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\28bb9a1e400e562c3e61d8b5e59c2293.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\28bb9a1e400e562c3e61d8b5e59c2293.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3264

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/3264-0-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

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