1826434ac8833afc28f4c46d5777811036e7f457a6e965ebef56c156d65631d8

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 15:22

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General

Target
9c04cf610f2f8142d5692a0be58ba8b3.dll
Size 86KB
Sample240214-sr3x2aeb9s
SHA256 1826434ac8833afc28f4c46d5777811036e7f457a6e965ebef56c156d65631d8
MD5 9c04cf610f2f8142d5692a0be58ba8b3
SHA1 8c4b419c329d627d40e3c71fae96c266f18a46d8
SHA512 81d747462aed59fc5a620d465ddc4cf3e2b90b2537751553043f6052d653ddacd3a6628dce816a337b4bcde2d370b7e03013772929a88bf7aa964196b708d598
SSDEEP 1536:lYvynn+A2VdiKPX45Y3vWt8/c32Y+9DeQfKlARoyfnjk3tgq3Lz0EqNIjtBBs6Ug:uv4+AYiSX8qkmtNfBoCjkdgqbYeTi5wV
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/3168-0-0x00000000009A0000-0x00000000009DC000-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\{27200C32-D685-4BB1-88BC-BD9B7A33AF91}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27200C32-D685-4BB1-88BC-BD9B7A33AF91}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c04cf610f2f8142d5692a0be58ba8b3.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27200C32-D685-4BB1-88BC-BD9B7A33AF91}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{27200C32-D685-4BB1-88BC-BD9B7A33AF91}\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\{27200C32-D685-4BB1-88BC-BD9B7A33AF91}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 3168	4940	regsvr32.exe	88
PID 4940 wrote to memory of 3168	4940	regsvr32.exe	88
PID 4940 wrote to memory of 3168	4940	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9c04cf610f2f8142d5692a0be58ba8b3.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9c04cf610f2f8142d5692a0be58ba8b3.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3168

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/3168-0-0x00000000009A0000-0x00000000009DC000-memory.dmp

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