10e4ee65f486a1d741d8528240e8095d009c098aea8977560f43bd6c012d7233

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01-01-2024 19:46

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General

Target

3db7eb03713bb7224ff0ad561f6d1c02.dll
Size

104KB
MD5

3db7eb03713bb7224ff0ad561f6d1c02
SHA1

0aec613acd226df16dac35e9fd8198835fd9c6cf
SHA256

10e4ee65f486a1d741d8528240e8095d009c098aea8977560f43bd6c012d7233
SHA512

f37cdc13864da402d09b4f28b4bc8db821519bcd777b6f8059b50d7982a049e9da7515d2e8200e3c291b23f3202fe3907883add7744e0271af53fb0c9dd17f17
SSDEEP

3072:KocS9tBQPz5gxqZe5fhtveBuD4jvwMX72L1pTWo:CS7BQaoZYtvAuqfKn

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2124-2-0x00000000006A0000-0x00000000006D7000-memory.dmp	upx
behavioral1/memory/2124-3-0x00000000006A0000-0x00000000006D7000-memory.dmp	upx
behavioral1/memory/2124-4-0x00000000006A0000-0x00000000006D7000-memory.dmp	upx
behavioral1/memory/2124-6-0x00000000006A0000-0x00000000006D7000-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\{1434F511-581F-475B-B53F-AD7D4C361E4F}	rundll32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1434F511-581F-475B-B53F-AD7D4C361E4F}\InprocServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1434F511-581F-475B-B53F-AD7D4C361E4F}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1434F511-581F-475B-B53F-AD7D4C361E4F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3db7eb03713bb7224ff0ad561f6d1c02.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1434F511-581F-475B-B53F-AD7D4C361E4F}\InprocServer32\ThreadingModel = "apartment"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2124	1744	rundll32.exe	28
PID 1744 wrote to memory of 2124	1744	rundll32.exe	28
PID 1744 wrote to memory of 2124	1744	rundll32.exe	28
PID 1744 wrote to memory of 2124	1744	rundll32.exe	28
PID 1744 wrote to memory of 2124	1744	rundll32.exe	28
PID 1744 wrote to memory of 2124	1744	rundll32.exe	28
PID 1744 wrote to memory of 2124	1744	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3db7eb03713bb7224ff0ad561f6d1c02.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3db7eb03713bb7224ff0ad561f6d1c02.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2124

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/2124-0-0x0000000000660000-0x000000000069A000-memory.dmp

Filesize
232KB

Download
memory/2124-1-0x0000000000660000-0x000000000069A000-memory.dmp

Filesize
232KB

Download
memory/2124-2-0x00000000006A0000-0x00000000006D7000-memory.dmp

Filesize
220KB

Download
memory/2124-3-0x00000000006A0000-0x00000000006D7000-memory.dmp

Filesize
220KB

Download
memory/2124-4-0x00000000006A0000-0x00000000006D7000-memory.dmp

Filesize
220KB

Download
memory/2124-5-0x0000000000660000-0x000000000069A000-memory.dmp

Filesize
232KB

Download
memory/2124-6-0x00000000006A0000-0x00000000006D7000-memory.dmp

Filesize
220KB

Download