745f8c1b4629b47a0493e3b7e43fdd2647d7013d93c756b14ba4af8e3de86f7d

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 15:27

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General

Target

745f8c1b4629b47a0493e3b7e43fdd2647d7013d93c756b14ba4af8e3de86f7dN.dll
Size

76KB
MD5

570f6ce7db90d9a26812f2415cd290a0
SHA1

039f1e947cdadbd34ecc031ff026fd922939c8e0
SHA256

745f8c1b4629b47a0493e3b7e43fdd2647d7013d93c756b14ba4af8e3de86f7d
SHA512

3de207502c4ea196b29fa3180a25f27e5f863d8f86af5aeb4b0e0387905434233893d4843930ad1e15c061dc2cc07a3f97498b68eba32526c1eb5ea51ba62bfb
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z4uN7wk:c8y93KQjy7G55riF1cMo03L7wk

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/4712-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4712-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1680	4712	WerFault.exe	82

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	4712	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 4712	4948	rundll32.exe	82
PID 4948 wrote to memory of 4712	4948	rundll32.exe	82
PID 4948 wrote to memory of 4712	4948	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\745f8c1b4629b47a0493e3b7e43fdd2647d7013d93c756b14ba4af8e3de86f7dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\745f8c1b4629b47a0493e3b7e43fdd2647d7013d93c756b14ba4af8e3de86f7dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 716
    3⤵
    - Program crash
    PID:1680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4712 -ip 4712
1⤵
PID:1436

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/4712-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4712-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download