36f4dd0155d4d27f38f4758453d4c62da2a3f112ec9a0112ea6fa660de0b3bd8

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2024, 15:02

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General

Target
924c18970d3b886d2c1f9097415a3040.dll
Size 86KB
Sample240205-sep6eaafg8
SHA256 36f4dd0155d4d27f38f4758453d4c62da2a3f112ec9a0112ea6fa660de0b3bd8
MD5 924c18970d3b886d2c1f9097415a3040
SHA1 973e050486920bbd1fa149550a8041f1f0f9b655
SHA512 bf80cfb87eae413018c9acbc6445436e4856463c320edb93f56b5151a142d59766fa826585f6f31a6e8c12bd92dc9b3040a009914e936d7d4821d0a5f97200ea
SSDEEP 1536:3Yvynn+A2Vd66v0uB5HrvumuVoF4ajU1dRt2qKazfH29EEWp/zek6dp1XN:ov4+AY6S0cFvucF4eAdRt2aLoSS1XN
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/3312-0-0x0000000000400000-0x000000000043C000-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\{5AECB3E7-45F3-4C3A-8E47-D9D0CEAD2B30}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5AECB3E7-45F3-4C3A-8E47-D9D0CEAD2B30}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5AECB3E7-45F3-4C3A-8E47-D9D0CEAD2B30}\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\{5AECB3E7-45F3-4C3A-8E47-D9D0CEAD2B30}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5AECB3E7-45F3-4C3A-8E47-D9D0CEAD2B30}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\924c18970d3b886d2c1f9097415a3040.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 3312	2020	regsvr32.exe	84
PID 2020 wrote to memory of 3312	2020	regsvr32.exe	84
PID 2020 wrote to memory of 3312	2020	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\924c18970d3b886d2c1f9097415a3040.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\924c18970d3b886d2c1f9097415a3040.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3312

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/3312-0-0x0000000000400000-0x000000000043C000-memory.dmp

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