e1f619f440e6fa957d563ab4ed0e38d95c7b29b46b5e93ffb4075cdced027443

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 02:40

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General

Target

$_5_.dll
Size

306KB
MD5

069b38d65b12c89ce5531da46359cd7e
SHA1

f041d92369f971b6d46d8bd63b3b773c51833dcb
SHA256

c536e06b05d752d1e9cbe134c5b8e764dd0aff943c6d5ac63c8c7a73fa24b39c
SHA512

013763c11e330c87a70677006d489a58a7cb3d615359b6ee3d8b895191fea2b8fed9f31eb2631e84e2ab29718f3de0fa079dadf69cd0e58e2a318a942ccfa277
SSDEEP

6144:tXE6GJOmwB1lQBazcPFqR501Nh34TB/mQCzhm0:tXE6GJhqTzzcP6Uf34T1mQCzD

Score

6^/10

adware discovery stealer

Malware Config

Signatures

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\{8301f837-d4eb-9e88-4d25-3f18c7e871ef}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8301f837-d4eb-9e88-4d25-3f18c7e871ef}\NoExplorer = "\"\""	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8301f837-d4eb-9e88-4d25-3f18c7e871ef}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8301f837-d4eb-9e88-4d25-3f18c7e871ef}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_5_.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8301f837-d4eb-9e88-4d25-3f18c7e871ef}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8301f837-d4eb-9e88-4d25-3f18c7e871ef}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8301f837-d4eb-9e88-4d25-3f18c7e871ef}\ = "adzgalore"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 2500	1576	regsvr32.exe	31
PID 1576 wrote to memory of 2500	1576	regsvr32.exe	31
PID 1576 wrote to memory of 2500	1576	regsvr32.exe	31
PID 1576 wrote to memory of 2500	1576	regsvr32.exe	31
PID 1576 wrote to memory of 2500	1576	regsvr32.exe	31
PID 1576 wrote to memory of 2500	1576	regsvr32.exe	31
PID 1576 wrote to memory of 2500	1576	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$_5_.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$_5_.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2500

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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