cc9ecb59ee1459f6375929b6e8b3f5ebf2008edc43dcd4abf1e1b6eb327933ed

Analysis

max time kernel
139s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 20:36

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General

Target

虚拟磁盘精灵/disk.dll
Size

1.6MB
MD5

b37b2c49d236b0d55de65c8c8857dd02
SHA1

5b1f0c600ee7067b9af54cc94f95012c185212f1
SHA256

8feb175fe2d73bf13aadd6ce890f7465bf55b6109fdaddcf6bed316eabca73fd
SHA512

f7970393f6ce97d54ab1708e80c58aba3e1bbac76b4cc5cc01f55a161d9ca1818ade85007e50b3f85883f8153498b46a080880971a5317c8435f1d90a55dafd6
SSDEEP

49152:NYMVbWQxpcTFXeZ6UvAZFYSbVcrZFNg3:eqbrxg68bb0g

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3648-0-0x0000000010000000-0x00000000103A9000-memory.dmp	upx
behavioral2/memory/3648-1-0x0000000010000000-0x00000000103A9000-memory.dmp	upx
behavioral2/memory/3648-4-0x00000000048C0000-0x00000000048FE000-memory.dmp	upx
behavioral2/memory/3648-6-0x00000000048C0000-0x00000000048FE000-memory.dmp	upx
behavioral2/memory/3648-7-0x00000000048C0000-0x00000000048FE000-memory.dmp	upx
behavioral2/memory/3648-8-0x0000000010000000-0x00000000103A9000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3648	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2952	3648	WerFault.exe	84

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 FindShellTrayWindow 1 IoCs

pid	Process
3648	rundll32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3648	rundll32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3648	rundll32.exe
3648	rundll32.exe
3648	rundll32.exe
3648	rundll32.exe
3648	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 3648	4208	rundll32.exe	84
PID 4208 wrote to memory of 3648	4208	rundll32.exe	84
PID 4208 wrote to memory of 3648	4208	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\虚拟磁盘精灵\disk.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\虚拟磁盘精灵\disk.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:3648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 812
    3⤵
    - Program crash
    PID:2952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3648 -ip 3648
1⤵
PID:3544

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/3648-0-0x0000000010000000-0x00000000103A9000-memory.dmp

Filesize
3.7MB

Download
memory/3648-1-0x0000000010000000-0x00000000103A9000-memory.dmp

Filesize
3.7MB

Download
memory/3648-4-0x00000000048C0000-0x00000000048FE000-memory.dmp

Filesize
248KB

Download
memory/3648-6-0x00000000048C0000-0x00000000048FE000-memory.dmp

Filesize
248KB

Download
memory/3648-7-0x00000000048C0000-0x00000000048FE000-memory.dmp

Filesize
248KB

Download
memory/3648-8-0x0000000010000000-0x00000000103A9000-memory.dmp

Filesize
3.7MB

Download