adb1bb0d0e88a0648efa9401addb83c75c2792bd9374a0e5ab6d154869732fa0

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 14:53

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General

Target

cs1.6Ĵ/SayCn.dll
Size

563KB
MD5

ee8c50bf2945190d6511cde829783ed8
SHA1

4581577aa259fc3e9ec591b3cf4a0df2eaec8f28
SHA256

b1958453aaccae15db40c4f4787212a8a47d6cf34297ce3b07569d86ca6a259a
SHA512

c8e4ff50dd288a1b544e6c691b3400c7749f67afecc22919d15f1ac563b2a89974fd4aadc6173a3637230209e8b12241e93988b27ffcc7beb6cdd649fa645d9d
SSDEEP

12288:rwIU3ygo4Aoqpwqd5ykDSeTjVc8PwLockh:rdY9AoQQCTjVcxLHk

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	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2160	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2160	1548	rundll32.exe	28
PID 1548 wrote to memory of 2160	1548	rundll32.exe	28
PID 1548 wrote to memory of 2160	1548	rundll32.exe	28
PID 1548 wrote to memory of 2160	1548	rundll32.exe	28
PID 1548 wrote to memory of 2160	1548	rundll32.exe	28
PID 1548 wrote to memory of 2160	1548	rundll32.exe	28
PID 1548 wrote to memory of 2160	1548	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cs1.6Ĵ\SayCn.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cs1.6Ĵ\SayCn.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2160

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/2160-0-0x0000000000350000-0x00000000003E3000-memory.dmp

Filesize
588KB

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