b93c35345e40b1a3cb3170cb341e41a91186141fc70d6cc5078e73c11e3f60ed

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 02:19

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General

Target

$PLUGINSDIR/OCSetupHlp.dll
Size

842KB
MD5

3caac9864b3ba85933e6359ff44e2846
SHA1

733e0d02a297d8c269e7e47b05a0787352440606
SHA256

e6b62423d3cfe1e2d63393afc2eb2871cc82d7aa850a5de6ad199d871e95e06b
SHA512

45229afed54d9a5215c67eef1a2c2fa162c20636357463869afd133fe0758f0e9cf2baa9c311281ace55455e71cd0aee3be8f671d6ea412f6bd8c290f95bec76
SSDEEP

12288:N+wnK6z+X9XgFnDgQlOpmtZkYZYiWRREaQDEK/8MoSTLyU0CT36:UTdwZDgQ4p2ZkCYHtQIK/8M7TLyU0e6

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PLUGINSDIR\\OCSetupHlp.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PLUGINSDIR"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\ = "OCVBValidateLib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 4472	3268	regsvr32.exe	83
PID 3268 wrote to memory of 4472	3268	regsvr32.exe	83
PID 3268 wrote to memory of 4472	3268	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\OCSetupHlp.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3268
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\OCSetupHlp.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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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