2b3ec8c1ec20dcd877444daad75b13c197a2a2ce717a8052c001ab64776f9c0b

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 18:41

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General

Target

00c495ae2561183cd8b18320ca3a75a2.dll
Size

8KB
MD5

00c495ae2561183cd8b18320ca3a75a2
SHA1

ebd6952b924a388569b84d4d13bfc2602601af8a
SHA256

2b3ec8c1ec20dcd877444daad75b13c197a2a2ce717a8052c001ab64776f9c0b
SHA512

8bc4e54ffbea635d7799da2c125413955e050e97bbf65a3f62a20e054877e2e9f57562006e4a362eed3da9390a4dbfed91e67f4af5d48fc522389043c2f124a3
SSDEEP

192:z+ZkNWB5b5ejpy1SqfBad1y4r926RedzQS:zjNYh5eNy1lBad1H9

Score

6^/10

adware 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\{7C109800-A5D5-438F-9640-18D17E168B88}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7C109800-A5D5-438F-9640-18D17E168B88}\	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\00c495ae2561183cd8b18320ca3a75a2.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C109800-A5D5-438F-9640-18D17E168B88}\xxx = "xxx"	regsvr32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1720	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 1720	2096	regsvr32.exe	28
PID 2096 wrote to memory of 1720	2096	regsvr32.exe	28
PID 2096 wrote to memory of 1720	2096	regsvr32.exe	28
PID 2096 wrote to memory of 1720	2096	regsvr32.exe	28
PID 2096 wrote to memory of 1720	2096	regsvr32.exe	28
PID 2096 wrote to memory of 1720	2096	regsvr32.exe	28
PID 2096 wrote to memory of 1720	2096	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\00c495ae2561183cd8b18320ca3a75a2.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\00c495ae2561183cd8b18320ca3a75a2.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1720

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/1720-0-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/1720-1-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download