c15cfc1c2cec25430e43bfd677bb840ebf9fc5083d246ad6b5dca169a114b58e

General

Target

7b8365ccecee9e7c8a1566a17009aad1.dll
Size

432KB
MD5

7b8365ccecee9e7c8a1566a17009aad1
SHA1

44dbf9a102da4e9505b8550adc7907c90af2b790
SHA256

c15cfc1c2cec25430e43bfd677bb840ebf9fc5083d246ad6b5dca169a114b58e
SHA512

c9f3dfa5dc28f6635f2e877dce36dd10bff579e7fc283f3d4d7d0381b7055a1ee60d700a92823f781add05a8f77d60deb346f51424c83d98943b30fd5bb51c5d
SSDEEP

12288:wtWmHRm01ubISdq6xGJOpqQeBgKMXbDziP:wtNHVoISY0Gkp08by

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\{ed85a5c0-1a8c-adeb-015b-2b4288df6f26}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ed85a5c0-1a8c-adeb-015b-2b4288df6f26}\NoExplorer = "\"\""	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{01faac97-8166-31f2-117b-9561a8a2df29}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Explorer Bars\{01faac97-8166-31f2-117b-9561a8a2df29}	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed85a5c0-1a8c-adeb-015b-2b4288df6f26}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{01faac97-8166-31f2-117b-9561a8a2df29}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7b8365ccecee9e7c8a1566a17009aad1.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{01faac97-8166-31f2-117b-9561a8a2df29}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed85a5c0-1a8c-adeb-015b-2b4288df6f26}\ = "mysidesearch browser optimizer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{01faac97-8166-31f2-117b-9561a8a2df29}\ = "mysidesearch browser optimizer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{01faac97-8166-31f2-117b-9561a8a2df29}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{01faac97-8166-31f2-117b-9561a8a2df29}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed85a5c0-1a8c-adeb-015b-2b4288df6f26}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed85a5c0-1a8c-adeb-015b-2b4288df6f26}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7b8365ccecee9e7c8a1566a17009aad1.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed85a5c0-1a8c-adeb-015b-2b4288df6f26}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{01faac97-8166-31f2-117b-9561a8a2df29}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{01faac97-8166-31f2-117b-9561a8a2df29}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{01faac97-8166-31f2-117b-9561a8a2df29}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2540	2028	regsvr32.exe	28
PID 2028 wrote to memory of 2540	2028	regsvr32.exe	28
PID 2028 wrote to memory of 2540	2028	regsvr32.exe	28
PID 2028 wrote to memory of 2540	2028	regsvr32.exe	28
PID 2028 wrote to memory of 2540	2028	regsvr32.exe	28
PID 2028 wrote to memory of 2540	2028	regsvr32.exe	28
PID 2028 wrote to memory of 2540	2028	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7b8365ccecee9e7c8a1566a17009aad1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7b8365ccecee9e7c8a1566a17009aad1.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2540-0-0x0000000010000000-0x0000000010095000-memory.dmp

Filesize
596KB

Download
memory/2540-1-0x0000000000950000-0x00000000009AA000-memory.dmp

Filesize
360KB

Download
memory/2540-2-0x0000000000950000-0x00000000009AA000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads