037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887

Analysis

max time kernel
142s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 18:29

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General

Target

037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887.dll
Size

186KB
MD5

3507aee207e68553606f17db01574e60
SHA1

481afb7e7ca00daf53a5a8f8a436f4c1dcf4dd3f
SHA256

037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887
SHA512

e452ecde49e6470491b3751607d719ccc635964dc96d1042274bb7074c7265ea7feb56f6a384cec03374dc8197d60ac0de90a10493dbdfe5180e91da2f53584b
SSDEEP

3072:ERr9oLG/BoOwe3xfWcTA1Ng2hsjflR2fLya9H8e6Knq/VSMhRE558G3plD0Gk:a7XwyxrOfLyEQS4ioc8

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\{E5A1691B-D188-4419-AD02-90002030B8EE}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5A1691B-D188-4419-AD02-90002030B8EE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5A1691B-D188-4419-AD02-90002030B8EE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887.IEFlash\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887.IEFlash\Clsid\ = "{E5A1691B-D188-4419-AD02-90002030B8EE}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5A1691B-D188-4419-AD02-90002030B8EE}\ProgID\ = "037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887.IEFlash"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5A1691B-D188-4419-AD02-90002030B8EE}\ = "FlashFXP Helper for Internet Explorer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5A1691B-D188-4419-AD02-90002030B8EE}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5A1691B-D188-4419-AD02-90002030B8EE}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887.IEFlash	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887.IEFlash\ = "FlashFXP Helper for Internet Explorer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5A1691B-D188-4419-AD02-90002030B8EE}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 4896	2128	regsvr32.exe	79
PID 2128 wrote to memory of 4896	2128	regsvr32.exe	79
PID 2128 wrote to memory of 4896	2128	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\037fbe671b67729ac7549324943e0de1c466baab8fe6c45281cc14e6cf859887.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4896

Network

MITRE ATT&CK Enterprise v6

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/4896-133-0x0000000001450000-0x0000000001482000-memory.dmp

Filesize
200KB

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