4d3794a090c75e6be9e7ffcde89ff1556d8aeeb1ff07bb0d1d31c65f3b783afa

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 03:04

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General

Target

4d3794a090c75e6be9e7ffcde89ff1556d8aeeb1ff07bb0d1d31c65f3b783afa.dll
Size

76KB
MD5

c201fb6df5838e0d5e7ae20f57523f31
SHA1

9cdc7516dedb70babfb2cb8d4db887ddfc274795
SHA256

4d3794a090c75e6be9e7ffcde89ff1556d8aeeb1ff07bb0d1d31c65f3b783afa
SHA512

17340d2e6a48c5ccdeadb5396062b27a85d8e50321816ea0d4fae3f6a7098fde19884619a307d4d4aa755f6139f988665c14ee705c1b52670292dbea11170197
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zr6ZGmMNUAi:c8y93KQjy7G55riF1cMo03tkMNUAi

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3520-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3520-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1964	3520	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 use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3520	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 3520	1052	rundll32.exe	83
PID 1052 wrote to memory of 3520	1052	rundll32.exe	83
PID 1052 wrote to memory of 3520	1052	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d3794a090c75e6be9e7ffcde89ff1556d8aeeb1ff07bb0d1d31c65f3b783afa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d3794a090c75e6be9e7ffcde89ff1556d8aeeb1ff07bb0d1d31c65f3b783afa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 712
    3⤵
    - Program crash
    PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3520 -ip 3520
1⤵
PID:3760

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/3520-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3520-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download