61e4d701e2e08bff206ec405ac27ea3fce687165b85c5bdac6cdf48d066dbe9c

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 03:58

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General

Target
$PLUGINSDIR/OCSetupHlp.dll
Size 848KB
Sample241002-ejzczswdmj
SHA256 4d1ad8aaf803660ee9d989a8a9cb3129397a97e4d0fa4b50ba7fb700b9d4d7b6
MD5 9e4e850e12f2f4f869b2491dbbb17ceb
SHA1 bd89581a89604b601c817ea680c2a224b46737f8
SHA512 9285472e8ed2e685dce357383842356e3011110a09f2e66b2a34ee6bf3c7457dbba834256d8b9b240c20666ec38b62d0ebd7fe4dec1fd9cbb812adc36ad724f5
SSDEEP 12288:w3RHConJZh6lVfdxrHtgFl2nMLlKT2OIPL8mKqSTSTpz4cB8:wkuMV1xrHaF8nMI2RPL8STpz4cB8
MD5 SHA1 SHA512 SSDEEP

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}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\0\win32	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	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	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}\1.0\HELPDIR	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1A720F5A-8FE4-4A0F-9B3A-494BF58B0813}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2532	2528	regsvr32.exe	30
PID 2528 wrote to memory of 2532	2528	regsvr32.exe	30
PID 2528 wrote to memory of 2532	2528	regsvr32.exe	30
PID 2528 wrote to memory of 2532	2528	regsvr32.exe	30
PID 2528 wrote to memory of 2532	2528	regsvr32.exe	30
PID 2528 wrote to memory of 2532	2528	regsvr32.exe	30
PID 2528 wrote to memory of 2532	2528	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\OCSetupHlp.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- 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:2532

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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