174bfeae6fd9727394db8589004b3697300f31c0901f1405489e002e1b24db03

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 16:04

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General

Target

$SYSDIR/OnKeyCSP_hkbeas.dll
Size

6KB
MD5

d5d3d646e993958e5bd239083cd16c29
SHA1

876c29691351506ce9fa0a98d25c4861faec1ae4
SHA256

c13d03ca44f28a61d30557e29c5b4fac0b79a13319668ac25576589e12361a9e
SHA512

f75c6eeb4254ee671e1dfddac70cd68f9129d5ec76c83833052e03006a032948a9102e49961cb70a7aa1ad3111c87ce883547ed40d1b7a82cb6b8461410cadf0
SSDEEP

96:qR7ClSUFFUkYvk/iiN4YxWUkiykZZzb6nWzZVEbg:qlClJX6iNJuaD6MZV

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1892	2020	WerFault.exe	30

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	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2020	3032	rundll32.exe	30
PID 3032 wrote to memory of 2020	3032	rundll32.exe	30
PID 3032 wrote to memory of 2020	3032	rundll32.exe	30
PID 3032 wrote to memory of 2020	3032	rundll32.exe	30
PID 3032 wrote to memory of 2020	3032	rundll32.exe	30
PID 3032 wrote to memory of 2020	3032	rundll32.exe	30
PID 3032 wrote to memory of 2020	3032	rundll32.exe	30
PID 2020 wrote to memory of 1892	2020	rundll32.exe	31
PID 2020 wrote to memory of 1892	2020	rundll32.exe	31
PID 2020 wrote to memory of 1892	2020	rundll32.exe	31
PID 2020 wrote to memory of 1892	2020	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\OnKeyCSP_hkbeas.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\OnKeyCSP_hkbeas.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 228
    3⤵
    - Program crash
    PID:1892

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

Replay Monitor

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Downloads

memory/2020-0-0x0000000000110000-0x0000000000124000-memory.dmp

Filesize
80KB

Download
memory/2020-1-0x00000000006F0000-0x0000000000762000-memory.dmp

Filesize
456KB

Download
memory/2020-4-0x0000000000A50000-0x0000000000A93000-memory.dmp

Filesize
268KB

Download