8b5220a1f42d505e82def0ad15f3f21714c4a3951f20f01c85732166dc578cdc

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:23

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General

Target

8b5220a1f42d505e82def0ad15f3f21714c4a3951f20f01c85732166dc578cdcN.dll
Size

64KB
MD5

ef97ca9bdd5f9c1742e63432c176afb0
SHA1

74d00cc632114873b56436f6f871940d8a0b937c
SHA256

8b5220a1f42d505e82def0ad15f3f21714c4a3951f20f01c85732166dc578cdc
SHA512

09f02773c2356b4ef21faddc76d0764f13188b90938f59e410ec9d2c67990ccf4884ac186ef37739605c42b15bbfb04be131c20ea8ed6757c4686255129d8bce
SSDEEP

1536:7Sa0lntIOS7T1cAhX/SYXsZ3UxKxdECFDpK:ea0wOWT1cgXuk2hFDpK

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\kasejare.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\rufepozo	rundll32.exe

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 2 IoCs

pid	Process
2208	rundll32.exe
2208	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 2208	3564	rundll32.exe	82
PID 3564 wrote to memory of 2208	3564	rundll32.exe	82
PID 3564 wrote to memory of 2208	3564	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b5220a1f42d505e82def0ad15f3f21714c4a3951f20f01c85732166dc578cdcN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b5220a1f42d505e82def0ad15f3f21714c4a3951f20f01c85732166dc578cdcN.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2208

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/2208-0-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/2208-2-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/2208-3-0x00000000012B0000-0x000000000133D000-memory.dmp

Filesize
564KB

Download
memory/2208-1-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/2208-4-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download
memory/2208-5-0x0000000010000000-0x000000001001E000-memory.dmp

Filesize
120KB

Download