645e274fec3723d065308f9b16b33392ed7f51fbd5ffc3c00806c2efafb08b65

Analysis

max time kernel
93s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
22-12-2024 14:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

internal/main.dll
Size

17.7MB
MD5

207043268b10e01caa9fe94dc0e3526a
SHA1

ca12ab61b785a300da52830451d6c6604e155668
SHA256

45badcb0e32204c755756519eb2dd4a092c71e3b725fcb95030940325daa31f1
SHA512

3075c9da2f4126d6d741db9f777e84fb4bd270061ef694805bbba25285d6764a9b5bbe2e8e903dc170ee4b441666f38c3c9868732eb52f7e5aa4fbd6a501701a
SSDEEP

393216:M9NRsOLlhL6jer0YWJgITBRFVUFOdlkucXp4G3TeeKTeXzn:GzsslhL6EITBLVTcXqiTeeKTG

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3276	rundll32.exe
3276	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1572	3276	WerFault.exe	78

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
3276	rundll32.exe
3276	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 3276	3812	rundll32.exe	78
PID 3812 wrote to memory of 3276	3812	rundll32.exe	78
PID 3812 wrote to memory of 3276	3812	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\internal\main.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\internal\main.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3276 -s 544
    3⤵
    - Program crash
    PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3276 -ip 3276
1⤵
PID:4104

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

Loading Replay Monitor...

Downloads

memory/3276-0-0x0000000073C14000-0x0000000073FC4000-memory.dmp

Filesize
3.7MB

Download
memory/3276-2-0x0000000001630000-0x0000000001631000-memory.dmp

Filesize
4KB

Download
memory/3276-1-0x0000000001620000-0x0000000001621000-memory.dmp

Filesize
4KB

Download
memory/3276-3-0x0000000073030000-0x0000000075172000-memory.dmp

Filesize
33.3MB

Download
memory/3276-6-0x0000000073030000-0x0000000075172000-memory.dmp

Filesize
33.3MB

Download
memory/3276-7-0x0000000073030000-0x0000000075172000-memory.dmp

Filesize
33.3MB

Download
memory/3276-8-0x0000000073C14000-0x0000000073FC4000-memory.dmp

Filesize
3.7MB

Download