762599f8e42174525bf20e3c89c41f50355300f6286adc1e23cb5c505e461f20

Analysis

max time kernel
148s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 10:24

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General

Target

762599f8e42174525bf20e3c89c41f50355300f6286adc1e23cb5c505e461f20.dll
Size

20.4MB
MD5

3660df12dab70c6ebcbff84a365db703
SHA1

6dd37f626217c1b6108d173469b8c74e230f3341
SHA256

762599f8e42174525bf20e3c89c41f50355300f6286adc1e23cb5c505e461f20
SHA512

54280fd861bd2deebbfb0645556d8d479ce43653392c42d0784204be05d46d8596cfefae8e267024b88b525b90b49045dbb6ce38c1b45f7b03c2c4b2295599b2
SSDEEP

393216:vR6oS+8AkP5EI6H+1u/n6H4dH/3FMRRlL:p1k6/lsp

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3524	rundll32.exe
3524	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3528	3524	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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
3524	rundll32.exe
3524	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 3524	4960	rundll32.exe	84
PID 4960 wrote to memory of 3524	4960	rundll32.exe	84
PID 4960 wrote to memory of 3524	4960	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\762599f8e42174525bf20e3c89c41f50355300f6286adc1e23cb5c505e461f20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\762599f8e42174525bf20e3c89c41f50355300f6286adc1e23cb5c505e461f20.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 704
    3⤵
    - Program crash
    PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3524 -ip 3524
1⤵
PID:2528

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/3524-7-0x0000000073FE6000-0x00000000747F0000-memory.dmp

Filesize
8.0MB

Download
memory/3524-6-0x0000000001290000-0x0000000001291000-memory.dmp

Filesize
4KB

Download
memory/3524-5-0x0000000001280000-0x0000000001281000-memory.dmp

Filesize
4KB

Download
memory/3524-4-0x0000000001270000-0x0000000001271000-memory.dmp

Filesize
4KB

Download
memory/3524-3-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/3524-2-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

Filesize
4KB

Download
memory/3524-1-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

Filesize
4KB

Download
memory/3524-0-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

Filesize
4KB

Download
memory/3524-8-0x0000000073B20000-0x0000000074FA5000-memory.dmp

Filesize
20.5MB

Download
memory/3524-9-0x0000000073FE6000-0x00000000747F0000-memory.dmp

Filesize
8.0MB

Download