a1c991e39f5e35c7cc54f9613136d9f0f37a9926106505aa5b92ba5d31c78e2b

Analysis

max time kernel
144s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 21:30

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General

Target

7590e3e63f92399e963c79dea159fa50.dll
Size

71KB
MD5

7590e3e63f92399e963c79dea159fa50
SHA1

1a4e01e287a3bb6ddcb54923fa323bbb1829f230
SHA256

a1c991e39f5e35c7cc54f9613136d9f0f37a9926106505aa5b92ba5d31c78e2b
SHA512

074f691aab942b603fdd6e7020b95a65b404f5c29c231a12aa145a6b38bfd7e1c51aa7935d8706024e7555b6561f7b1e714df9d95ae42c740fd3de589a943b7b
SSDEEP

1536:u8dkFVw7D4vN9dyV0djc1HhEZSv2old69IJdRu0I:7yFhN2MSvNl/ur

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\{1627F38A-46B7-240C-D944-07374671775D}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1627F38A-46B7-240C-D944-07374671775D}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1627F38A-46B7-240C-D944-07374671775D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1627F38A-46B7-240C-D944-07374671775D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7590e3e63f92399e963c79dea159fa50.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1627F38A-46B7-240C-D944-07374671775D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 1136	3620	regsvr32.exe	85
PID 3620 wrote to memory of 1136	3620	regsvr32.exe	85
PID 3620 wrote to memory of 1136	3620	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7590e3e63f92399e963c79dea159fa50.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7590e3e63f92399e963c79dea159fa50.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1136

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/1136-0-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

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