784edc2c701a1d1823030fdf22c49dcb002a42c88011f028ccd768c0122e4315

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 23:19

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General

Target

$PLUGINSDIR/nsArray.dll
Size

6KB
MD5

f8462e9d1d7fd39789afca89ab6d6046
SHA1

7e9a518e15b7490245d2bef11a73f209c8d8d59b
SHA256

48941e9f5c92a33f1e60a7a844d562dd77ce736fd31b5503c980b49679dfe85e
SHA512

57dee2253abd7d17d53811d5e95237f9434288518fb043645524a517786db2d8a91df86a6da732c620f12ad0e7ea30a923b8d5f3de386c65bd3ff240bc0dff69
SSDEEP

96:TjGBPJ762z6gjutipI+h7jz5ozZt/aYfA7EfXxLfAZi:/ix7ibUpIS+Xa1wX2Zi

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
behavioral14/memory/3700-0-0x0000000074C50000-0x0000000074C5A000-memory.dmp	acprotect
behavioral14/memory/3700-1-0x0000000074C50000-0x0000000074C5A000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral14/memory/3700-0-0x0000000074C50000-0x0000000074C5A000-memory.dmp	upx
behavioral14/memory/3700-1-0x0000000074C50000-0x0000000074C5A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3064	3700	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 5088 wrote to memory of 3700	5088	rundll32.exe	82
PID 5088 wrote to memory of 3700	5088	rundll32.exe	82
PID 5088 wrote to memory of 3700	5088	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 600
    3⤵
    - Program crash
    PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3700 -ip 3700
1⤵
PID:3668

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/3700-0-0x0000000074C50000-0x0000000074C5A000-memory.dmp

Filesize
40KB

Download
memory/3700-1-0x0000000074C50000-0x0000000074C5A000-memory.dmp

Filesize
40KB

Download