6410caa53ca268cb3e9bc1c053f01b55204a47ba003d72a33f0f9d45c9e04910

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 22:50

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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 4 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral13/memory/2164-1-0x0000000074F00000-0x0000000074F0A000-memory.dmp	acprotect
behavioral13/memory/2164-0-0x0000000074F10000-0x0000000074F1A000-memory.dmp	acprotect
behavioral13/memory/2164-3-0x0000000074F00000-0x0000000074F0A000-memory.dmp	acprotect
behavioral13/memory/2164-5-0x0000000074F00000-0x0000000074F0A000-memory.dmp	acprotect

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral13/memory/2164-1-0x0000000074F00000-0x0000000074F0A000-memory.dmp	upx
behavioral13/memory/2164-0-0x0000000074F10000-0x0000000074F1A000-memory.dmp	upx
behavioral13/memory/2164-3-0x0000000074F00000-0x0000000074F0A000-memory.dmp	upx
behavioral13/memory/2164-5-0x0000000074F00000-0x0000000074F0A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	2164	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2164	2808	rundll32.exe	30
PID 2808 wrote to memory of 2164	2808	rundll32.exe	30
PID 2808 wrote to memory of 2164	2808	rundll32.exe	30
PID 2808 wrote to memory of 2164	2808	rundll32.exe	30
PID 2808 wrote to memory of 2164	2808	rundll32.exe	30
PID 2808 wrote to memory of 2164	2808	rundll32.exe	30
PID 2808 wrote to memory of 2164	2808	rundll32.exe	30
PID 2164 wrote to memory of 2676	2164	rundll32.exe	31
PID 2164 wrote to memory of 2676	2164	rundll32.exe	31
PID 2164 wrote to memory of 2676	2164	rundll32.exe	31
PID 2164 wrote to memory of 2676	2164	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 220
    3⤵
    - Program crash
    PID:2676

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/2164-2-0x0000000074F10000-0x0000000074F1A000-memory.dmp

Filesize
40KB

Download
memory/2164-1-0x0000000074F00000-0x0000000074F0A000-memory.dmp

Filesize
40KB

Download
memory/2164-0-0x0000000074F10000-0x0000000074F1A000-memory.dmp

Filesize
40KB

Download
memory/2164-3-0x0000000074F00000-0x0000000074F0A000-memory.dmp

Filesize
40KB

Download
memory/2164-4-0x0000000074F10000-0x0000000074F1A000-memory.dmp

Filesize
40KB

Download
memory/2164-5-0x0000000074F00000-0x0000000074F0A000-memory.dmp

Filesize
40KB

Download
memory/2164-6-0x0000000074F10000-0x0000000074F1A000-memory.dmp

Filesize
40KB

Download