338e8636011bf7fa57e2a403320d4cef82fc47a4eb25e301d0c61398bda2ed6c

Analysis

max time kernel
147s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 01:48

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General

Target

0a9ebe91127f0140f747c3f50f61dfa8.dll
Size

89KB
MD5

0a9ebe91127f0140f747c3f50f61dfa8
SHA1

40396ac8c34da0ed68879b438fd1383e9a5785b0
SHA256

338e8636011bf7fa57e2a403320d4cef82fc47a4eb25e301d0c61398bda2ed6c
SHA512

4733033a6341b4ae722e417d1aa1f70b803c03ef0309043462e31aa08b2503e8bef140ff42b5c47c729c77bba4e0f5f057d65e2560655ccd0356a070f7373bb2
SSDEEP

1536:56c2bcATlbcKNyRAOcrKoj3Hp/HcwodwHcpE/kNNGQtlSbfgT5exXvNzN:5kI0tvw21Hh8aHuE/cN9lm+5exXvNp

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3220-1-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral2/memory/3220-0-0x0000000000400000-0x000000000043F000-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\{C7FFCDC3-44BA-416C-BFBA-ACB895FEFF2A}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7FFCDC3-44BA-416C-BFBA-ACB895FEFF2A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7FFCDC3-44BA-416C-BFBA-ACB895FEFF2A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a9ebe91127f0140f747c3f50f61dfa8.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7FFCDC3-44BA-416C-BFBA-ACB895FEFF2A}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C7FFCDC3-44BA-416C-BFBA-ACB895FEFF2A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 3220	2524	regsvr32.exe	15
PID 2524 wrote to memory of 3220	2524	regsvr32.exe	15
PID 2524 wrote to memory of 3220	2524	regsvr32.exe	15

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\0a9ebe91127f0140f747c3f50f61dfa8.dll
1⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3220

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0a9ebe91127f0140f747c3f50f61dfa8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2524

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/3220-1-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/3220-0-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download