f64f1bf5ebcd0674a77edc1832d42a37513efa0e0bb934db9d3eee18dfe140a7

Analysis

max time kernel
90s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 15:13

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General

Target
89d6d7793a09f984c1c4d8563a5bf6e8.dll
Size 1.5MB
Sample240202-sl5vfabcan
SHA256 f64f1bf5ebcd0674a77edc1832d42a37513efa0e0bb934db9d3eee18dfe140a7
MD5 89d6d7793a09f984c1c4d8563a5bf6e8
SHA1 fea80734fb456f7c87964c0356ecefbb53f2204a
SHA512 4342b9733664eed382350809fe6f0099c38365350833f00b4497311ca5cacaf007d12389efa0b05477178e3f38e6c716735729c44cb42fbf058db3014054c70e
SSDEEP 24576:wyY471Fq4DeTL/4pfBN0F1KzeBfBgyRqf4mSGD2Rau1kwdumuW:wyZ1uPc5yIbLVEaIrT
MD5 SHA1 SHA512 SSDEEP

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\{1BA34419-DBF9-4120-8522-220D241F62CA}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1BA34419-DBF9-4120-8522-220D241F62CA}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1BA34419-DBF9-4120-8522-220D241F62CA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\89d6d7793a09f984c1c4d8563a5bf6e8.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1BA34419-DBF9-4120-8522-220D241F62CA}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\89d6d7793a09f984c1c4d8563a5bf6e8.P\ = "O"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1BA34419-DBF9-4120-8522-220D241F62CA}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1BA34419-DBF9-4120-8522-220D241F62CA}\ProgID\ = "89d6d7793a09f984c1c4d8563a5bf6e8.P"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1BA34419-DBF9-4120-8522-220D241F62CA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1BA34419-DBF9-4120-8522-220D241F62CA}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\89d6d7793a09f984c1c4d8563a5bf6e8.P\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\89d6d7793a09f984c1c4d8563a5bf6e8.P\Clsid\ = "{1BA34419-DBF9-4120-8522-220D241F62CA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1BA34419-DBF9-4120-8522-220D241F62CA}\ = "O"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\89d6d7793a09f984c1c4d8563a5bf6e8.P	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 4432	4352	regsvr32.exe	83
PID 4352 wrote to memory of 4432	4352	regsvr32.exe	83
PID 4352 wrote to memory of 4432	4352	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\89d6d7793a09f984c1c4d8563a5bf6e8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4352
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\89d6d7793a09f984c1c4d8563a5bf6e8.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4432

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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