75f63c3e16bb579c8ebf03f19cd32936f667fb4dfa197c6386912398b359055e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 15:15

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General

Target

c6333dd81f6de28c6eead6dd66c18044.exe
Size

22KB
MD5

c6333dd81f6de28c6eead6dd66c18044
SHA1

d78d61e039ecff4a95acd4a897d01bb3b8b983e2
SHA256

75f63c3e16bb579c8ebf03f19cd32936f667fb4dfa197c6386912398b359055e
SHA512

fb814864dff101e25ba21989e34a9d5516a4efc3683be1d145f1485810d2a122ac0a1ad8f725e023f845958c7b32a9c5766f539ff613de4030572673076a1b55
SSDEEP

384:ApIbktQkmxlCglvqn/SVYm7LDzxsDXKi0b+CIA+qLe+5UXjUhEoHdDwncpjFpQo3:O+M8lCaS/m7LDK6iE+of0jU

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	c6333dd81f6de28c6eead6dd66c18044.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\KBD864.dll	c6333dd81f6de28c6eead6dd66c18044.exe

Modifies registry class 13 IoCs

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\VersionIndependentProgID	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}\InprocServer32	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\VersionIndependentProgID	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\Version	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\InprocServer32	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\InprocServer32	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\TypeLib	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\Programmable	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\ProgID	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	c6333dd81f6de28c6eead6dd66c18044.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\ProgID	c6333dd81f6de28c6eead6dd66c18044.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1636	c6333dd81f6de28c6eead6dd66c18044.exe
1636	c6333dd81f6de28c6eead6dd66c18044.exe
1636	c6333dd81f6de28c6eead6dd66c18044.exe
1636	c6333dd81f6de28c6eead6dd66c18044.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1636	c6333dd81f6de28c6eead6dd66c18044.exe
Token: SeDebugPrivilege	1636	c6333dd81f6de28c6eead6dd66c18044.exe
Token: SeDebugPrivilege	1636	c6333dd81f6de28c6eead6dd66c18044.exe
Token: SeDebugPrivilege	1636	c6333dd81f6de28c6eead6dd66c18044.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 436	1636	c6333dd81f6de28c6eead6dd66c18044.exe	5
PID 1636 wrote to memory of 436	1636	c6333dd81f6de28c6eead6dd66c18044.exe	5
PID 1636 wrote to memory of 436	1636	c6333dd81f6de28c6eead6dd66c18044.exe	5
PID 1636 wrote to memory of 436	1636	c6333dd81f6de28c6eead6dd66c18044.exe	5

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:436

C:\Users\Admin\AppData\Local\Temp\c6333dd81f6de28c6eead6dd66c18044.exe
"C:\Users\Admin\AppData\Local\Temp\c6333dd81f6de28c6eead6dd66c18044.exe"
1⤵
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636

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/436-0-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

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