1e3fea244a7cddfb5e5c6e97cfa671e708f26e53f80b6dc879e9f80af7fdd385

Analysis

max time kernel
144s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 01:24

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General

Target

09fec51fad3273e022f8edfc45e57980.dll
Size

422KB
MD5

09fec51fad3273e022f8edfc45e57980
SHA1

4b4b6c0755d9938baf385abbbbb94a0302e70fea
SHA256

1e3fea244a7cddfb5e5c6e97cfa671e708f26e53f80b6dc879e9f80af7fdd385
SHA512

e8925c6cc3d0cd06bfd7b178f1bf8b41153249763a079c9a5df69939d8c4a3b2f987c1577ff4f9453b32a62098d3605e6b484d883f05708e63be2a62ac40014a
SSDEEP

6144:VEo0JkXmwglUcvBECgqpHNaXLhI966AGkAjOpoaY7QCQ8jHzhdR5jZUZZaBs4:VEoFWLKcvPBeq6xGJOpq80HtBNUZZW

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{c523f7f7-59eb-ed5d-caf0-3b61e8127f81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c523f7f7-59eb-ed5d-caf0-3b61e8127f81}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c523f7f7-59eb-ed5d-caf0-3b61e8127f81}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09fec51fad3273e022f8edfc45e57980.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c523f7f7-59eb-ed5d-caf0-3b61e8127f81}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c523f7f7-59eb-ed5d-caf0-3b61e8127f81}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c523f7f7-59eb-ed5d-caf0-3b61e8127f81}\ = "dcads"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{c523f7f7-59eb-ed5d-caf0-3b61e8127f81}\InProcServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 2412	1240	regsvr32.exe	16
PID 1240 wrote to memory of 2412	1240	regsvr32.exe	16
PID 1240 wrote to memory of 2412	1240	regsvr32.exe	16

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\09fec51fad3273e022f8edfc45e57980.dll
1⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2412

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\09fec51fad3273e022f8edfc45e57980.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1240

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/2412-0-0x0000000010000000-0x000000001009B000-memory.dmp

Filesize
620KB

Download
memory/2412-8-0x00000000038E0000-0x00000000038E2000-memory.dmp

Filesize
8KB

Download
memory/2412-9-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download
memory/2412-7-0x0000000003CA0000-0x0000000003CA1000-memory.dmp

Filesize
4KB

Download
memory/2412-6-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/2412-5-0x0000000002D10000-0x0000000002D11000-memory.dmp

Filesize
4KB

Download
memory/2412-4-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/2412-3-0x0000000002A50000-0x0000000002A51000-memory.dmp

Filesize
4KB

Download
memory/2412-2-0x0000000002890000-0x00000000028EA000-memory.dmp

Filesize
360KB

Download
memory/2412-1-0x0000000010000000-0x000000001009B000-memory.dmp

Filesize
620KB

Download