4d1514934696d4e78db5769f4d4652dda9e025549a511669f2c1de104f360f55

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 05:49

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General

Target

$TEMP/downloader_easeus/2.2.0/5free/aliyun/AliyunWrap.dll
Size

499KB
MD5

04bb1a799bcdba7643201749633e8a3a
SHA1

2039c43181f4a64bef31617749b517e30dae8a17
SHA256

84beff2c37a816ad67a2a9ed6cdb61469a1bb6971d22650e6c77098ac2fc6ebc
SHA512

4118717d6460aeeed7a8fcc8e5fb07abc1e55569bf5215e4f96b6c213bee73cd53cdc93953dbc0d923b1b9ad9cbbe06da78f5378e8777708928a6ab6073aea75
SSDEEP

12288:sErmJOpaClo3cm/jFjEwJaZECM4xv+Dk4Dl36PIp5HqEY727+:sBFYHnZQDsIbqES2q

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2044	1340	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 2652 wrote to memory of 1340	2652	rundll32.exe	30
PID 2652 wrote to memory of 1340	2652	rundll32.exe	30
PID 2652 wrote to memory of 1340	2652	rundll32.exe	30
PID 2652 wrote to memory of 1340	2652	rundll32.exe	30
PID 2652 wrote to memory of 1340	2652	rundll32.exe	30
PID 2652 wrote to memory of 1340	2652	rundll32.exe	30
PID 2652 wrote to memory of 1340	2652	rundll32.exe	30
PID 1340 wrote to memory of 2044	1340	rundll32.exe	31
PID 1340 wrote to memory of 2044	1340	rundll32.exe	31
PID 1340 wrote to memory of 2044	1340	rundll32.exe	31
PID 1340 wrote to memory of 2044	1340	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\downloader_easeus\2.2.0\5free\aliyun\AliyunWrap.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\downloader_easeus\2.2.0\5free\aliyun\AliyunWrap.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 328
    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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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