251a6459d5942d2dfd1badd25e30d8d50cac63554e52faa3d910c4897d2f93e8

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/03/2024, 09:00

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General

Target

cda57bbd0616ad4b27eb91a109c7381c.dll
Size

37KB
MD5

cda57bbd0616ad4b27eb91a109c7381c
SHA1

80b9a2de889d24d2006ad5add73401436730975b
SHA256

251a6459d5942d2dfd1badd25e30d8d50cac63554e52faa3d910c4897d2f93e8
SHA512

9b43f95cc706cf5afe4c8a76c1952e4b89614ef55dd0af3d5453b0f719f5bfdface868f5677059f62bdd35804171b1586cb7951f22a226b4d66ed91fb2de68ac
SSDEEP

768:Jx8oDWq4jonAEf1yYsMjzYmlkSncI5K4/8DNJfg0AC/hVUaXtV94:f8vhjonAEfYYsMjzLcI5/og0ASCAz94

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\{A24B57F8-505D-4fc5-9960-740E304D1ABA}	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A24B57F8-505D-4fc5-9960-740E304D1ABA}\InprocServer32\ThreadingModel = "Both"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A24B57F8-505D-4fc5-9960-740E304D1ABA}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A24B57F8-505D-4fc5-9960-740E304D1ABA}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A24B57F8-505D-4fc5-9960-740E304D1ABA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cda57bbd0616ad4b27eb91a109c7381c.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2084	2324	rundll32.exe	28
PID 2324 wrote to memory of 2084	2324	rundll32.exe	28
PID 2324 wrote to memory of 2084	2324	rundll32.exe	28
PID 2324 wrote to memory of 2084	2324	rundll32.exe	28
PID 2324 wrote to memory of 2084	2324	rundll32.exe	28
PID 2324 wrote to memory of 2084	2324	rundll32.exe	28
PID 2324 wrote to memory of 2084	2324	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cda57bbd0616ad4b27eb91a109c7381c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cda57bbd0616ad4b27eb91a109c7381c.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2084

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/2084-0-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

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memory/2084-1-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

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