29d7e2f4bc05ec532c76792176739725d8d54706ef3c7b56fe38b59614d5ab02

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 06:12

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General

Target

8b9a548f92c482b778681e608fe4b407.dll
Size

562KB
MD5

8b9a548f92c482b778681e608fe4b407
SHA1

5b57ebb74f42481c09f51518cafa554988b9c804
SHA256

29d7e2f4bc05ec532c76792176739725d8d54706ef3c7b56fe38b59614d5ab02
SHA512

3c7c129dd8774cb6401ac98ea396f914aaa3bffe92357ebadd9a6b7a1004e7144c94d4d90977bfcddbb859164e5d92782583b1d9e8e85a69ed083c2705343df5
SSDEEP

12288:4gUV94y09yxH1az44i2JiU5VVNIUOZH5bMfQeuGIjZ:UVGy0E04wskIZHGoeXIj

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-C7E8-DAAF-18BA-97AC4E5E6CDD}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C7E8-DAAF-18BA-97AC4E5E6CDD}\ = "ic"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C7E8-DAAF-18BA-97AC4E5E6CDD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C7E8-DAAF-18BA-97AC4E5E6CDD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b9a548f92c482b778681e608fe4b407.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C7E8-DAAF-18BA-97AC4E5E6CDD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8b9a548f92c482b778681e608fe4b407.ic	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8b9a548f92c482b778681e608fe4b407.ic\ = "ic"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C7E8-DAAF-18BA-97AC4E5E6CDD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8b9a548f92c482b778681e608fe4b407.ic\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8b9a548f92c482b778681e608fe4b407.ic\Clsid\ = "{CC01FC6C-C7E8-DAAF-18BA-97AC4E5E6CDD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C7E8-DAAF-18BA-97AC4E5E6CDD}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C7E8-DAAF-18BA-97AC4E5E6CDD}\ProgID\ = "8b9a548f92c482b778681e608fe4b407.ic"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 1784	2448	regsvr32.exe	28
PID 2448 wrote to memory of 1784	2448	regsvr32.exe	28
PID 2448 wrote to memory of 1784	2448	regsvr32.exe	28
PID 2448 wrote to memory of 1784	2448	regsvr32.exe	28
PID 2448 wrote to memory of 1784	2448	regsvr32.exe	28
PID 2448 wrote to memory of 1784	2448	regsvr32.exe	28
PID 2448 wrote to memory of 1784	2448	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8b9a548f92c482b778681e608fe4b407.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8b9a548f92c482b778681e608fe4b407.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1784

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/1784-0-0x0000000000870000-0x0000000000901000-memory.dmp

Filesize
580KB

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