e8bad66ba7e4e7f1dafeb5d7c37e10972c383f28a846ff13a187080948dc8e2f

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 16:02

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General

Target
9c176fb1cb322c54b074051dc8bdc1b3.dll
Size 564KB
Sample240214-tg5jjsfa21
SHA256 e8bad66ba7e4e7f1dafeb5d7c37e10972c383f28a846ff13a187080948dc8e2f
MD5 9c176fb1cb322c54b074051dc8bdc1b3
SHA1 9767b3fa5754f3876d701df22bedc3dcb3c26ef9
SHA512 c79d016fc912f0baa8bf34c54050dfc7e3356f8ea8619d789f019e1a42527cea96c1a416ddecb9899c29682350f97ab675b19bcc3158ef46a569888d8059c1ea
SSDEEP 12288:RAFp96Ffv/aX/tOo0O00w8NJidSCnTLtb7p22AVBwu:eFv6piXQob009qSCXpLA
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

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\{CC01FC6C-D862-99B3-2D98-A4D31249A551}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D862-99B3-2D98-A4D31249A551}\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D862-99B3-2D98-A4D31249A551}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D862-99B3-2D98-A4D31249A551}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9c176fb1cb322c54b074051dc8bdc1b3.xx\ = "xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D862-99B3-2D98-A4D31249A551}\ProgID\ = "9c176fb1cb322c54b074051dc8bdc1b3.xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D862-99B3-2D98-A4D31249A551}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9c176fb1cb322c54b074051dc8bdc1b3.xx	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9c176fb1cb322c54b074051dc8bdc1b3.xx\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9c176fb1cb322c54b074051dc8bdc1b3.xx\Clsid\ = "{CC01FC6C-D862-99B3-2D98-A4D31249A551}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D862-99B3-2D98-A4D31249A551}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-D862-99B3-2D98-A4D31249A551}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c176fb1cb322c54b074051dc8bdc1b3.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 3024	2148	regsvr32.exe	28
PID 2148 wrote to memory of 3024	2148	regsvr32.exe	28
PID 2148 wrote to memory of 3024	2148	regsvr32.exe	28
PID 2148 wrote to memory of 3024	2148	regsvr32.exe	28
PID 2148 wrote to memory of 3024	2148	regsvr32.exe	28
PID 2148 wrote to memory of 3024	2148	regsvr32.exe	28
PID 2148 wrote to memory of 3024	2148	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9c176fb1cb322c54b074051dc8bdc1b3.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9c176fb1cb322c54b074051dc8bdc1b3.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3024

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/3024-0-0x0000000001E60000-0x0000000001EF2000-memory.dmp

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