6db345ff7f370b0785a5ce1a0f3e8d9b2a8d8fb6a236d29744c87749868adc50

Analysis

max time kernel
129s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 11:18

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General

Target

$PLUGINSDIR/OCSetupHlp.dll
Size

438KB
MD5

b5ec60121dee1a742202d32089dfbdac
SHA1

3a03722c994f0fdaf69eb07db7c93502ee99dc72
SHA256

6b3483c1ab83ed1324cdcff141c96421c25fe1e1667f6d624861ce462778659e
SHA512

eb4cb4a587bd5449f6d36f96be1c2f79250fee50b9605fcf2ee074db3e2cd2e33fe35f56297d438b45106b1cd68d7de5995097609bacb18f94bed71df4d106f3
SSDEEP

6144:/Vhp3y+QqV5epuEAwXDf//3/rP/cqx7kMK9RdkXbRsSfFedkTmWBQFJd62WCvGi4:9ozXDf//3/D/15kM8sLFGUmWB6JdTG8o

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 4348	112	rundll32.exe	83
PID 112 wrote to memory of 4348	112	rundll32.exe	83
PID 112 wrote to memory of 4348	112	rundll32.exe	83
PID 4348 wrote to memory of 680	4348	rundll32.exe	86
PID 4348 wrote to memory of 680	4348	rundll32.exe	86
PID 4348 wrote to memory of 680	4348	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\OCSetupHlp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\OCSetupHlp.dll,#1
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4348
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\$PLUGI~1\OCSETU~1.DLL,_MgrExec@16
    3⤵
    - System Location Discovery: System Language Discovery
    PID:680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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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