14a66d11bd4205172d0160514d3b60f009462a63c8b70bcffbb3a473ba2aaf1f

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 18:25

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General

Target

00653e5efdfe1fd137a02d9e69454038.dll
Size

85KB
MD5

00653e5efdfe1fd137a02d9e69454038
SHA1

1acc189b87fd80ea5916db31fe3f69a02aed4f9a
SHA256

14a66d11bd4205172d0160514d3b60f009462a63c8b70bcffbb3a473ba2aaf1f
SHA512

13bc6e071b5e612b6cf47b1130423c5a4d2dff93c81972023cefb07975f573155dafd1c74faeadbda02f8528b5430e7424afaa44356334757c44b683e003d574
SSDEEP

1536:jnaxI/619p/8t9grr1yHKhmwdCa4TJnaC/6a/sJvKccr02DHYV9pnuuTE7jmE6m:DOI/619p/Ky1yO12V/6rg0GHc9gXmvm

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/880-1-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral1/memory/880-2-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral1/memory/880-4-0x0000000000400000-0x0000000000436000-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\{29171237-04AB-4E9E-BF7A-DCD6E1C3E268}	rundll32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29171237-04AB-4E9E-BF7A-DCD6E1C3E268}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29171237-04AB-4E9E-BF7A-DCD6E1C3E268}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\00653e5efdfe1fd137a02d9e69454038.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29171237-04AB-4E9E-BF7A-DCD6E1C3E268}\InprocServer32\ThreadingModel = "apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29171237-04AB-4E9E-BF7A-DCD6E1C3E268}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 880	2908	rundll32.exe	28
PID 2908 wrote to memory of 880	2908	rundll32.exe	28
PID 2908 wrote to memory of 880	2908	rundll32.exe	28
PID 2908 wrote to memory of 880	2908	rundll32.exe	28
PID 2908 wrote to memory of 880	2908	rundll32.exe	28
PID 2908 wrote to memory of 880	2908	rundll32.exe	28
PID 2908 wrote to memory of 880	2908	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\00653e5efdfe1fd137a02d9e69454038.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\00653e5efdfe1fd137a02d9e69454038.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:880

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/880-0-0x0000000000540000-0x0000000000579000-memory.dmp

Filesize
228KB

Download
memory/880-1-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/880-2-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/880-3-0x0000000000540000-0x0000000000579000-memory.dmp

Filesize
228KB

Download
memory/880-4-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download