ec2b17f0ed87f3db5caab767c6c5491ce332f9a19c205acc1854e10407efccec

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 02:37

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General

Target

$PLUGINSDIR/nsArray.dll
Size

6KB
MD5

6585fc9e20b149a15e4dbb8aab03dbf6
SHA1

d3839b1694341ad494b0f92e4e3c6cc1c18e2333
SHA256

08e298c9a25208730f165660af4eec21e9fbd8021c34bce12a020d27e51843d4
SHA512

234f98317ba3a0cad5954a261610e0c851f3ae01d8213267bf4c06b259b57f1cc629c81b10e0778755065973381be33496a2f2ed82fea6c92540a389d7126476
SSDEEP

96:duRa4zuYKD7ODz63a0HydVCXRKnNh3ZGnjD6vHBzZHVefA7EfXxLfAZR:dOD+XHydMXRojUevpXjwX2ZR

Score

7^/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
behavioral13/memory/2796-1-0x0000000074F30000-0x0000000074F3A000-memory.dmp	upx
behavioral13/memory/2796-4-0x0000000074F30000-0x0000000074F3A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2204	2796	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 2796	2808	rundll32.exe	30
PID 2808 wrote to memory of 2796	2808	rundll32.exe	30
PID 2808 wrote to memory of 2796	2808	rundll32.exe	30
PID 2808 wrote to memory of 2796	2808	rundll32.exe	30
PID 2808 wrote to memory of 2796	2808	rundll32.exe	30
PID 2808 wrote to memory of 2796	2808	rundll32.exe	30
PID 2808 wrote to memory of 2796	2808	rundll32.exe	30
PID 2796 wrote to memory of 2204	2796	rundll32.exe	31
PID 2796 wrote to memory of 2204	2796	rundll32.exe	31
PID 2796 wrote to memory of 2204	2796	rundll32.exe	31
PID 2796 wrote to memory of 2204	2796	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:2796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 220
    3⤵
    - Program crash
    PID:2204

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/2796-2-0x0000000074F40000-0x0000000074F4A000-memory.dmp

Filesize
40KB

Download
memory/2796-1-0x0000000074F30000-0x0000000074F3A000-memory.dmp

Filesize
40KB

Download
memory/2796-0-0x0000000074F40000-0x0000000074F4A000-memory.dmp

Filesize
40KB

Download
memory/2796-3-0x0000000074F40000-0x0000000074F4A000-memory.dmp

Filesize
40KB

Download
memory/2796-5-0x0000000074F40000-0x0000000074F4A000-memory.dmp

Filesize
40KB

Download
memory/2796-4-0x0000000074F30000-0x0000000074F3A000-memory.dmp

Filesize
40KB

Download