f4040bd708f09dd09a8ecaa5b54ca072e4b2fa12ba1187a39984cc4d615850b7

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 06:18

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General

Target

f4040bd708f09dd09a8ecaa5b54ca072e4b2fa12ba1187a39984cc4d615850b7.dll
Size

25.9MB
MD5

e8f30b8ddf4e09ecb0b5df56a3922fa4
SHA1

530462f044be9db5dfdb0d4224cedbf429f6fa96
SHA256

f4040bd708f09dd09a8ecaa5b54ca072e4b2fa12ba1187a39984cc4d615850b7
SHA512

b7c59dc9aa9462386ec868333dd63a533be398a50bbd530f8370112b7827a86493faa10944ef8344ff055af10b13294147aa03b86c0ab6b30794b0d2b02877b7
SSDEEP

393216:PyXwSi02jZmFISS9J8cwpaI1eAN5cKyd+:ywSi02mhpa2D5Cg

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2052	rundll32.exe
2052	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3008	2052	WerFault.exe	83

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
2052	rundll32.exe
2052	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 2052	4384	rundll32.exe	83
PID 4384 wrote to memory of 2052	4384	rundll32.exe	83
PID 4384 wrote to memory of 2052	4384	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4040bd708f09dd09a8ecaa5b54ca072e4b2fa12ba1187a39984cc4d615850b7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4040bd708f09dd09a8ecaa5b54ca072e4b2fa12ba1187a39984cc4d615850b7.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 704
    3⤵
    - Program crash
    PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2052 -ip 2052
1⤵
PID:3416

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/2052-0-0x0000000002980000-0x000000000436F000-memory.dmp

Filesize
25.9MB

Download
memory/2052-1-0x0000000002980000-0x000000000436F000-memory.dmp

Filesize
25.9MB

Download
memory/2052-2-0x00000000011A0000-0x00000000011A1000-memory.dmp

Filesize
4KB

Download
memory/2052-3-0x0000000002E75000-0x00000000038D4000-memory.dmp

Filesize
10.4MB

Download
memory/2052-4-0x0000000002980000-0x000000000436F000-memory.dmp

Filesize
25.9MB

Download
memory/2052-5-0x0000000002980000-0x000000000436F000-memory.dmp

Filesize
25.9MB

Download
memory/2052-6-0x0000000002E75000-0x00000000038D4000-memory.dmp

Filesize
10.4MB

Download