8621da0999f3e2606af2c2dbd611826617027de4320cccef89ff59c71183560a

Analysis

max time kernel
150s
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
30/12/2023, 20:28

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General

Target

1bd80fc494ee1490467b5e0cb9743d92.dll
Size

7KB
MD5

1bd80fc494ee1490467b5e0cb9743d92
SHA1

f4d2fea98a83c356d29330be9f05d802c88931a4
SHA256

8621da0999f3e2606af2c2dbd611826617027de4320cccef89ff59c71183560a
SHA512

d94d6cb96c0c0332ab3cb9807ed120ebc617929c385b346188eac1c45386df5b21a6c5c7172a1bcd3c2887b058c833cc20656542975629ea7512a54c41eb2806
SSDEEP

96:JyFsHMdvdKKUZwiIvu/Ces8oeO7OlLtMHBy8wmZePJ6F6y7K1JrCGYD2pGXGC:I1l4iOs8oeOylhMkMT7KHFYypDC

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/3908-0-0x0000000010000000-0x0000000010009000-memory.dmp	upx

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\{7C109800-A5D5-438F-9640-18D17E168B88}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7C109800-A5D5-438F-9640-18D17E168B88}\	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\xxx = "xxx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1bd80fc494ee1490467b5e0cb9743d92.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 3908	1836	regsvr32.exe	48
PID 1836 wrote to memory of 3908	1836	regsvr32.exe	48
PID 1836 wrote to memory of 3908	1836	regsvr32.exe	48

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1bd80fc494ee1490467b5e0cb9743d92.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1bd80fc494ee1490467b5e0cb9743d92.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3908

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/3908-0-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

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