e271b5479d908d4cfd7e856e2b2e33310aed1863478dac1545fef736c2f88b98

Analysis

max time kernel
92s
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
17-12-2024 06:38

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General

Target

e271b5479d908d4cfd7e856e2b2e33310aed1863478dac1545fef736c2f88b98N.dll
Size

76KB
MD5

524173845a73500f5d0aa8e3ca6f4f10
SHA1

50fc144aed6a91c81df673cc479a3b2b61af0432
SHA256

e271b5479d908d4cfd7e856e2b2e33310aed1863478dac1545fef736c2f88b98
SHA512

c2b5a0aad621b87b96d4b454b3daefa46256511920f0d8f2fdd17d4a7fba31712c6e53c7bad86297c31ad1a52218ccde9055e098d928b3e143867601b7d18b2f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZuKQ/:c8y93KQjy7G55riF1cMo034KQ/

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/2872-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2872-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3976	2872	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	2872	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 2872	4760	rundll32.exe	83
PID 4760 wrote to memory of 2872	4760	rundll32.exe	83
PID 4760 wrote to memory of 2872	4760	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e271b5479d908d4cfd7e856e2b2e33310aed1863478dac1545fef736c2f88b98N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e271b5479d908d4cfd7e856e2b2e33310aed1863478dac1545fef736c2f88b98N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 700
    3⤵
    - Program crash
    PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2872 -ip 2872
1⤵
PID:972

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/2872-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2872-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download