a2b3aa940b559e69ed4a374d77af6a991b764348c7fb11b4f49a6c0247dafd3b

Analysis

max time kernel
93s
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 09:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a2b3aa940b559e69ed4a374d77af6a991b764348c7fb11b4f49a6c0247dafd3b.dll
Size

76KB
MD5

ccff5716ed389839ed795884e3845e15
SHA1

a5659e319b2fcab51ead51166eab5e4a792b6e86
SHA256

a2b3aa940b559e69ed4a374d77af6a991b764348c7fb11b4f49a6c0247dafd3b
SHA512

0eda0492f3aacc9815532af41d4d7bc124aece4bfb719cd91aac71132400762a6b5ea0a72f264c17c296bd274dcdf383b4d1e680382082820e07b11432437b34
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZS:c8y93KQjy7G55riF1cMo03s

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/408-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/408-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4864	408	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	408	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 408	2576	rundll32.exe	83
PID 2576 wrote to memory of 408	2576	rundll32.exe	83
PID 2576 wrote to memory of 408	2576	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2b3aa940b559e69ed4a374d77af6a991b764348c7fb11b4f49a6c0247dafd3b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2b3aa940b559e69ed4a374d77af6a991b764348c7fb11b4f49a6c0247dafd3b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 712
    3⤵
    - Program crash
    PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 408 -ip 408
1⤵
PID:2896

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

Loading Replay Monitor...

Downloads

memory/408-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/408-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download