7c8a2a6e3b4db09e1cbe5e686175eb15c8f17fdbea0f9c04a4b59156ff7132e8

Analysis

max time kernel
141s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2024, 15:23

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General

Target
dbf5ff8f0825d42b6e49f9499d17e320.dll
Size 522KB
Sample240321-ssjwjsed85
SHA256 7c8a2a6e3b4db09e1cbe5e686175eb15c8f17fdbea0f9c04a4b59156ff7132e8
MD5 dbf5ff8f0825d42b6e49f9499d17e320
SHA1 7226c383cd9126f2e491004d49b544c53b2cd95e
SHA512 8aa26f631cddafd6aa0282b688fb633b1d9aa69e394d9f3604c89781083d78de3d2dd39690f5bbc316c11db11c6790b459f4e0ef0270edec945c6a87dfea677a
SSDEEP 6144:pW7T4W2Jf+FXgMOC9h/Yl+BFOou/BjWYvm/nSjQuuqz1zUuWO72p7Dl8Fih/060s:6cW2JiXgzC9hgl+Sqn7uuAwL9kih0ns
MD5 SHA1 SHA512 SSDEEP

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\{86EBD5B2-0796-49AD-AE08-846C3146D168}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dbf5ff8f0825d42b6e49f9499d17e320.VeeQbain	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dbf5ff8f0825d42b6e49f9499d17e320.VeeQbain\ = "ExpBandse"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dbf5ff8f0825d42b6e49f9499d17e320.VeeQbain\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dbf5ff8f0825d42b6e49f9499d17e320.VeeQbain\Clsid\ = "{86EBD5B2-0796-49AD-AE08-846C3146D168}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\ = "ExpBandse"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dbf5ff8f0825d42b6e49f9499d17e320.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\ProgID\ = "dbf5ff8f0825d42b6e49f9499d17e320.VeeQbain"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 4760	1084	regsvr32.exe	88
PID 1084 wrote to memory of 4760	1084	regsvr32.exe	88
PID 1084 wrote to memory of 4760	1084	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dbf5ff8f0825d42b6e49f9499d17e320.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\dbf5ff8f0825d42b6e49f9499d17e320.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4760

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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