c04b665bd6d39f249d8b118f3b12611be711f72bfdd6b96e4ad899d75938330d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 18:53

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General

Target

ac9a482577010a4201bac118bafbc66b.dll
Size

63KB
MD5

ac9a482577010a4201bac118bafbc66b
SHA1

3faa19adcc8f9f3d561dd5d0a4ec3fc4dc21f931
SHA256

c04b665bd6d39f249d8b118f3b12611be711f72bfdd6b96e4ad899d75938330d
SHA512

0c93bd9cec8b2c02235088312513594efe96a2fa294f705cf19d5f7a45dacaf07f6d447f88d8ae59950b2e935069c3bb22a58c3f959fae4c98e0ecd448da99ca
SSDEEP

768:nHpI5EBmwLXHN6RRHHdB+BmHY97o014/89GH4X6Mgd90YQFO6ZXsSKhAUlxSoLs:nJIMlt6RRdOm214/hVh4KhHnZ4

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/4692-0-0x0000000010000000-0x000000001002B000-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\{938A8A03-A938-4019-B764-03FF8D167D79}	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ac9a482577010a4201bac118bafbc66b.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{938A8A03-A938-4019-B764-03FF8D167D79}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 4692	2480	rundll32.exe	75
PID 2480 wrote to memory of 4692	2480	rundll32.exe	75
PID 2480 wrote to memory of 4692	2480	rundll32.exe	75

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac9a482577010a4201bac118bafbc66b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac9a482577010a4201bac118bafbc66b.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4692

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/4692-0-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

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