75edd51657041ea9742ebc172beaaab9c831382273520bb8dc97f81113535c63

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
27/01/2024, 18:08

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General

Target

7aeb2c19d5b2a35ebeb2468df2ceb583.dll
Size

460KB
MD5

7aeb2c19d5b2a35ebeb2468df2ceb583
SHA1

fdca0a638577c0342c4e00b90886e98ff226a301
SHA256

75edd51657041ea9742ebc172beaaab9c831382273520bb8dc97f81113535c63
SHA512

4640d555c29d66f654a6546c4456f98d665aef0a70d59e3af0cb1693f33c2f4eafbef1cf4d60b07c5553e78b13fb7f07fdef00da3cdf450159439d04fea7cc44
SSDEEP

6144:8o+T9pUXElkR9uhX8+lz5oicr/DL2Yv37KdRU5Np+M8DVBku8Z8iLprup0yY3Xhj:0pUUlXs+lzf5QNpx8HYxuprEhpeC

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\{CF5159C2-895C-4188-98D5-748318E55F76}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CF5159C2-895C-4188-98D5-748318E55F76}\	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\New Windows\Allow\*.baidu.com	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\New Windows\Allow	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\New Windows\Allow\*.cn.yahoo.com	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF5159C2-895C-4188-98D5-748318E55F76}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF5159C2-895C-4188-98D5-748318E55F76}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF5159C2-895C-4188-98D5-748318E55F76}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF5159C2-895C-4188-98D5-748318E55F76}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7aeb2c19d5b2a35ebeb2468df2ceb583.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF5159C2-895C-4188-98D5-748318E55F76}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7aeb2c19d5b2a35ebeb2468df2ceb583.IEBHO	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7aeb2c19d5b2a35ebeb2468df2ceb583.IEBHO\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7aeb2c19d5b2a35ebeb2468df2ceb583.IEBHO\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7aeb2c19d5b2a35ebeb2468df2ceb583.IEBHO\Clsid\ = "{CF5159C2-895C-4188-98D5-748318E55F76}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF5159C2-895C-4188-98D5-748318E55F76}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF5159C2-895C-4188-98D5-748318E55F76}\ProgID\ = "7aeb2c19d5b2a35ebeb2468df2ceb583.IEBHO"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2252	2288	regsvr32.exe	28
PID 2288 wrote to memory of 2252	2288	regsvr32.exe	28
PID 2288 wrote to memory of 2252	2288	regsvr32.exe	28
PID 2288 wrote to memory of 2252	2288	regsvr32.exe	28
PID 2288 wrote to memory of 2252	2288	regsvr32.exe	28
PID 2288 wrote to memory of 2252	2288	regsvr32.exe	28
PID 2288 wrote to memory of 2252	2288	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7aeb2c19d5b2a35ebeb2468df2ceb583.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7aeb2c19d5b2a35ebeb2468df2ceb583.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2252

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

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Downloads

memory/2252-0-0x0000000000340000-0x00000000003B8000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads