a3c0f183a5ac52c63d4db8c3e4f3a6ccfb42011db1bb88d4c1e5fe0b1bfe8e4f

Analysis

max time kernel
95s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 12:48

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General

Target

$PLUGINSDIR/nsResize.dll
Size

4KB
MD5

a8655e0ca9e079edc631838273afc087
SHA1

20c4468e90f961c499870cfa6a179c82f6d72675
SHA256

eeb2705599c3075e652762e74c88d3cb482e01ad8cae65f02022f91aebf13cb5
SHA512

383201fc7f0d15f0d02ae638e411becac61eb5f475020220035ba6df560aee23cbb90082e6827aeaba434e150c08df87914e3cea308ed197f86d560eacc369e1
SSDEEP

96:Ue6mLjDsOqfMJggfp2BnorPJ7G17JAgX45:YXOqfMJPfp2Bnci1NAI

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral16/memory/4808-0-0x00000000756F0000-0x00000000756F9000-memory.dmp	acprotect
behavioral16/memory/4808-1-0x00000000756F0000-0x00000000756F9000-memory.dmp	acprotect

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral16/memory/4808-0-0x00000000756F0000-0x00000000756F9000-memory.dmp	upx
behavioral16/memory/4808-1-0x00000000756F0000-0x00000000756F9000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	4808	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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 4808	880	rundll32.exe	82
PID 880 wrote to memory of 4808	880	rundll32.exe	82
PID 880 wrote to memory of 4808	880	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsResize.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsResize.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4808
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 604
    3⤵
    - Program crash
    PID:2800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4808 -ip 4808
1⤵
PID:700

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/4808-0-0x00000000756F0000-0x00000000756F9000-memory.dmp

Filesize
36KB

Download
memory/4808-1-0x00000000756F0000-0x00000000756F9000-memory.dmp

Filesize
36KB

Download