1e40efb479b4cb3f517fafdf64e1dcd850cccbe7da27a6cf0d1bdf736ab8104f

Analysis

max time kernel
91s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 03:15

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General

Target
8b408dcc767741890a4241560e51a1b0.dll
Size 12KB
Sample240203-dr1eksaafr
SHA256 1e40efb479b4cb3f517fafdf64e1dcd850cccbe7da27a6cf0d1bdf736ab8104f
MD5 8b408dcc767741890a4241560e51a1b0
SHA1 873e2bc500cdf3aca4dcf8b609df53df49578777
SHA512 13f8c499ad942bacc3cde2d2c76626e5031ac8bee781b43fac1142568ddd696808d7ec6b1b701d716a40736a411fb2a5bce491d1d43350ae45fe98e590d04ac9
SSDEEP 192:iQz/pHWKVJCFSvmIQi0ofHT08S+Kn3XyGiMoqFsonu/R6+c:iQzXkmm9iKHyPSORo
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\{2012F73E-7427-4AD8-9E9D-6CBA6E0053D4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2012F73E-7427-4AD8-9E9D-6CBA6E0053D4}\	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2012F73E-7427-4AD8-9E9D-6CBA6E0053D4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2012F73E-7427-4AD8-9E9D-6CBA6E0053D4}\xxx = "xxx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{2012F73E-7427-4AD8-9E9D-6CBA6E0053D4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2012F73E-7427-4AD8-9E9D-6CBA6E0053D4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b408dcc767741890a4241560e51a1b0.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2012F73E-7427-4AD8-9E9D-6CBA6E0053D4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 3872	1788	regsvr32.exe	85
PID 1788 wrote to memory of 3872	1788	regsvr32.exe	85
PID 1788 wrote to memory of 3872	1788	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8b408dcc767741890a4241560e51a1b0.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8b408dcc767741890a4241560e51a1b0.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3872

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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