faed3c4833e5efd047059d3bb55403d2b0de824432d0bda9b15773d192872f62

Analysis

max time kernel
101s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
21/04/2025, 23:40

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General

Target

faed3c4833e5efd047059d3bb55403d2b0de824432d0bda9b15773d192872f62.dll
Size

288KB
MD5

926cd53f4f0761ed7063f8da57b2cd31
SHA1

7248b238c53df20cefef90b7d9878980241da4c6
SHA256

faed3c4833e5efd047059d3bb55403d2b0de824432d0bda9b15773d192872f62
SHA512

5f8b5283f3d0068442b03cadf592e8c08820ad942605741e17c60be5ada53b3463322d132e497b43e025a85a440abc86eedcd34453d08ee9ca5ed9c7bf5689e1
SSDEEP

6144:OIWXeetwzIql58xzR2VFjr3pyU1v5x/y1tSCh6hjBx0eD:lxetwzIql58xzR2VFjr3p1R5x/4rhyHF

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/4136-9-0x0000000002CE0000-0x0000000002CEB000-memory.dmp	upx
behavioral2/memory/4136-10-0x0000000002CE0000-0x0000000002CEB000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
6108	4136	WerFault.exe	78
5152	4136	WerFault.exe	78

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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 236 wrote to memory of 4136	236	rundll32.exe	78
PID 236 wrote to memory of 4136	236	rundll32.exe	78
PID 236 wrote to memory of 4136	236	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\faed3c4833e5efd047059d3bb55403d2b0de824432d0bda9b15773d192872f62.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\faed3c4833e5efd047059d3bb55403d2b0de824432d0bda9b15773d192872f62.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 640
    3⤵
    - Program crash
    PID:6108
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 492
    3⤵
    - Program crash
    PID:5152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4136 -ip 4136
1⤵
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4136 -ip 4136
1⤵
PID:5372

Network

MITRE ATT&CK Enterprise v16

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/4136-0-0x0000000068D80000-0x0000000068DB4000-memory.dmp

Filesize
208KB

Download
memory/4136-9-0x0000000002CE0000-0x0000000002CEB000-memory.dmp

Filesize
44KB

Download
memory/4136-10-0x0000000002CE0000-0x0000000002CEB000-memory.dmp

Filesize
44KB

Download