9e8f0e74bdfe427bf7728dfaef61a3a6089a4d20df23f0b1610fc116521a257a

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 05:42

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General

Target

b3ee464bbf013455a194364db7a16124.dll
Size

611KB
MD5

b3ee464bbf013455a194364db7a16124
SHA1

91f96ace9088fcb8743c8b1c53a77390a248952d
SHA256

9e8f0e74bdfe427bf7728dfaef61a3a6089a4d20df23f0b1610fc116521a257a
SHA512

28008cd9c7c763745ad0edb8784460bc5e24a18e59c6b3a8c5eae84012daf2ec7654ba5ef0a09fc1c302a3fb27762a804763d99c91ea077f31b4fd039fbd22e8
SSDEEP

12288:LyA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdLOGy43iYBoVBwpHeIBv7pj:/1fqZCHwIr00taCiHp/yMoqeIBT

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-B334-1E5B-B82A-C3B941BB3BBA}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B334-1E5B-B82A-C3B941BB3BBA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B334-1E5B-B82A-C3B941BB3BBA}\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\b3ee464bbf013455a194364db7a16124.sb	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\b3ee464bbf013455a194364db7a16124.sb\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\b3ee464bbf013455a194364db7a16124.sb\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\b3ee464bbf013455a194364db7a16124.sb\Clsid\ = "{CC01FC6C-B334-1E5B-B82A-C3B941BB3BBA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B334-1E5B-B82A-C3B941BB3BBA}\ProgID\ = "b3ee464bbf013455a194364db7a16124.sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B334-1E5B-B82A-C3B941BB3BBA}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B334-1E5B-B82A-C3B941BB3BBA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b3ee464bbf013455a194364db7a16124.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B334-1E5B-B82A-C3B941BB3BBA}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-B334-1E5B-B82A-C3B941BB3BBA}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 5116	1608	regsvr32.exe	89
PID 1608 wrote to memory of 5116	1608	regsvr32.exe	89
PID 1608 wrote to memory of 5116	1608	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b3ee464bbf013455a194364db7a16124.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b3ee464bbf013455a194364db7a16124.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:5116

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/5116-0-0x0000000000930000-0x00000000009CE000-memory.dmp

Filesize
632KB

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