e4ddf533529f8b6d2140e1de16f5721fb10c95d03b65432af87500101736f831

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
04-01-2025 11:26

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General

Target

e4ddf533529f8b6d2140e1de16f5721fb10c95d03b65432af87500101736f831N.dll
Size

76KB
MD5

acb3a8a7b5bc820060257feb49942c20
SHA1

4eb5db48b70a61aeaffb120ca7004a6aef31b19e
SHA256

e4ddf533529f8b6d2140e1de16f5721fb10c95d03b65432af87500101736f831
SHA512

647bf1f9a6168d1f123fce0bb87f034ed9200cce81baad2638a0a28cbdf018c260b50e95a67097db828354d39c2f3090091079572cff03c437058da7b815a208
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zyw9RE:c8y93KQjy7G55riF1cMo03B4

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/4856-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4856-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3672	4856	WerFault.exe	85

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	4856	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 4856	1804	rundll32.exe	85
PID 1804 wrote to memory of 4856	1804	rundll32.exe	85
PID 1804 wrote to memory of 4856	1804	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ddf533529f8b6d2140e1de16f5721fb10c95d03b65432af87500101736f831N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ddf533529f8b6d2140e1de16f5721fb10c95d03b65432af87500101736f831N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 704
    3⤵
    - Program crash
    PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4856 -ip 4856
1⤵
PID:2296

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/4856-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4856-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download