24a89d0147d74f7e33e399c960c9ce87c6c244871f44db2b5ef537e3d32d2ead

Analysis

max time kernel
139s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 19:55

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General

Target
8d34cb6511532cfdf60e3a90bdc8501c.dll
Size 86KB
Sample240203-ym9snshae7
SHA256 24a89d0147d74f7e33e399c960c9ce87c6c244871f44db2b5ef537e3d32d2ead
MD5 8d34cb6511532cfdf60e3a90bdc8501c
SHA1 66c94769bb8ece744fa98e6bdfce99c7aec33507
SHA512 6368830a99bfd0e511365b2ae62cca270cc1f2d6bb494fd82687ed2dabbd57051bedcbe828edcb1795c36e3cc7deb5e51cfef2a0d06e6f41db8a20032e6ffd6c
SSDEEP 1536:KYvynn+A2Vp83OUrFESgpbQh6xjRa6TGEjSOirRISChs0l8g4HlV:Hv4+AO834Q+NNiEj/iN74l8gY
MD5 SHA1 SHA512 SSDEEP

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/4516-0-0x0000000000400000-0x000000000043C000-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\{2F5D3961-8DA0-4127-BF03-91FFD242E8CB}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F5D3961-8DA0-4127-BF03-91FFD242E8CB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8d34cb6511532cfdf60e3a90bdc8501c.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F5D3961-8DA0-4127-BF03-91FFD242E8CB}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2F5D3961-8DA0-4127-BF03-91FFD242E8CB}\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\{2F5D3961-8DA0-4127-BF03-91FFD242E8CB}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 332 wrote to memory of 4516	332	regsvr32.exe	83
PID 332 wrote to memory of 4516	332	regsvr32.exe	83
PID 332 wrote to memory of 4516	332	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8d34cb6511532cfdf60e3a90bdc8501c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:332
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8d34cb6511532cfdf60e3a90bdc8501c.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4516

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/4516-0-0x0000000000400000-0x000000000043C000-memory.dmp

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