0f95bbdabb665fa90dd75906d8c9d8c57df4c89c275e51f77c4188dc9d431e5c

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 09:58

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General

Target

15297337cf70010e71df2dfadf20c44f.dll
Size

565KB
MD5

15297337cf70010e71df2dfadf20c44f
SHA1

ad4156a3ad69968f12e2d2ee232d87dd67dd8a89
SHA256

0f95bbdabb665fa90dd75906d8c9d8c57df4c89c275e51f77c4188dc9d431e5c
SHA512

8eba3c993d2a4b656a81e4a5af33313ec38f7d336702d7d089eb0352a7b95d8e3d411495068d2cd48f329b4c45f744f861e2027ef686ff1f9d420ce3ee8f458a
SSDEEP

12288:ZyA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdLOG4a2FXgnVBwH:J1fqZCHwIr00taCiHpca2FQn

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-3334-A247-187A-64A888872EF7}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\15297337cf70010e71df2dfadf20c44f.xx\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3334-A247-187A-64A888872EF7}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3334-A247-187A-64A888872EF7}\ProgID\ = "15297337cf70010e71df2dfadf20c44f.xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3334-A247-187A-64A888872EF7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3334-A247-187A-64A888872EF7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\15297337cf70010e71df2dfadf20c44f.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3334-A247-187A-64A888872EF7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\15297337cf70010e71df2dfadf20c44f.xx	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3334-A247-187A-64A888872EF7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3334-A247-187A-64A888872EF7}\ = "xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\15297337cf70010e71df2dfadf20c44f.xx\ = "xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\15297337cf70010e71df2dfadf20c44f.xx\Clsid\ = "{CC01FC6C-3334-A247-187A-64A888872EF7}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2380	2364	regsvr32.exe	28
PID 2364 wrote to memory of 2380	2364	regsvr32.exe	28
PID 2364 wrote to memory of 2380	2364	regsvr32.exe	28
PID 2364 wrote to memory of 2380	2364	regsvr32.exe	28
PID 2364 wrote to memory of 2380	2364	regsvr32.exe	28
PID 2364 wrote to memory of 2380	2364	regsvr32.exe	28
PID 2364 wrote to memory of 2380	2364	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\15297337cf70010e71df2dfadf20c44f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\15297337cf70010e71df2dfadf20c44f.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2380

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/2380-0-0x00000000002D0000-0x0000000000363000-memory.dmp

Filesize
588KB

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