73a10974bfadbc4993834895fff5364c79e108e3e405019ae520b6fc09c7c8b3

Analysis

max time kernel
122s
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 02:37

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General

Target

أˣ./3km2.dll
Size

593KB
MD5

bed2ee4efa7b8478e1d1e217b9969ba5
SHA1

02ce5e1b07e116eb22f670291a29792ae10293dc
SHA256

5e632ac2f71f206469dacb520e5d8699acc42136d4756789a37b59f08bfb6a72
SHA512

7fc86b7f9987a8a65328d424f6705cf563039d8a5706e595b834a944703dd69f5fcd235e6f7bc98beb1d1f48c71a8ce71784475dd535daddfdb3fe4756b4c2b5
SSDEEP

12288:KP4sdbAk9KOzP6Im9LkjNRqVKWxIyxNd/66B8LutWa:K/VAkoOz6IbNwVNyyxN966B8LutX

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
320	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2044	320	WerFault.exe	31

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 2344 wrote to memory of 320	2344	rundll32.exe	31
PID 2344 wrote to memory of 320	2344	rundll32.exe	31
PID 2344 wrote to memory of 320	2344	rundll32.exe	31
PID 2344 wrote to memory of 320	2344	rundll32.exe	31
PID 2344 wrote to memory of 320	2344	rundll32.exe	31
PID 2344 wrote to memory of 320	2344	rundll32.exe	31
PID 2344 wrote to memory of 320	2344	rundll32.exe	31
PID 320 wrote to memory of 2044	320	rundll32.exe	32
PID 320 wrote to memory of 2044	320	rundll32.exe	32
PID 320 wrote to memory of 2044	320	rundll32.exe	32
PID 320 wrote to memory of 2044	320	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\أˣ.\3km2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\أˣ.\3km2.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 320 -s 272
    3⤵
    - Program crash
    PID:2044

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/320-2-0x0000000074B20000-0x0000000074BBC000-memory.dmp

Filesize
624KB

Download
memory/320-4-0x0000000074B20000-0x0000000074BBC000-memory.dmp

Filesize
624KB

Download
memory/320-3-0x0000000074B10000-0x0000000074BAC000-memory.dmp

Filesize
624KB

Download
memory/320-0-0x0000000074B10000-0x0000000074BAC000-memory.dmp

Filesize
624KB

Download
memory/320-5-0x0000000074B10000-0x0000000074BAC000-memory.dmp

Filesize
624KB

Download
memory/320-6-0x0000000074B20000-0x0000000074BBC000-memory.dmp

Filesize
624KB

Download
memory/320-7-0x0000000074B20000-0x0000000074B33000-memory.dmp

Filesize
76KB

Download