ac634e5974f2fe851ee26241b509755a6c147fc3c397334a6bf48f9d1d991905

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 15:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/NSISdl.dll
Size

14KB
MD5

9c90c746adae5171c52b932080113331
SHA1

2eb66e61ad38a33aa6e6c245e84e0a78dfcc5460
SHA256

5b7be83ff4f023eba8d2d7ab972b067a904adc71f56a50cb367619cd116d0e92
SHA512

fca06b4b39fdd76002487a4f9a454bec5507b2355a0e4e2dfe044e2def52bbd01aa5d2a0077703f7b8814b248743fac2b84fd37f611e04281f7e5c428e245565
SSDEEP

192:wZTobBDJ68r67wmsvJI5ad9cXzFOVu+mZ/P3p+57CvpVqDxVp/12VgsfA:wBo/680dCI5adOjFOg9//p27lAro

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1640	1704	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 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 2536 wrote to memory of 1704	2536	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	31
PID 1704 wrote to memory of 1640	1704	rundll32.exe	31
PID 1704 wrote to memory of 1640	1704	rundll32.exe	31
PID 1704 wrote to memory of 1640	1704	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 224
    3⤵
    - Program crash
    PID:1640

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

Windows 7 deprecation

Loading Replay Monitor...