c79f2f6cd70358a2df2382bcb191aa6f22ba0d17d547e1e2c4350d0546c9be24

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04/12/2024, 16:17

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General

Target

$PLUGINSDIR/nsisdl.dll
Size

14KB
MD5

a5a4cee2eb89d2687c05ef74299f0dba
SHA1

b9bff5987be422887f2f402357b47db2288a1a42
SHA256

cb82268b778703db75961cddef33a695a674f0dfd28b7e710b198ef2d26d3963
SHA512

f485267c6239f84d294ed4b0a82f317081e6e2e0c5613bd012bbd496b9ebccb8aca6944e80f84af51d17ac13f4d83480c34edfe37a3a9508ce0e67fc9f0b96f0
SSDEEP

384:yck76gi51kE5aYOMLDC4UnDp9B0Jc5HNw2xE:yck76gibLCMLDLCx04HNVxE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2312	1148	WerFault.exe	28

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 1824 wrote to memory of 1148	1824	rundll32.exe	28
PID 1824 wrote to memory of 1148	1824	rundll32.exe	28
PID 1824 wrote to memory of 1148	1824	rundll32.exe	28
PID 1824 wrote to memory of 1148	1824	rundll32.exe	28
PID 1824 wrote to memory of 1148	1824	rundll32.exe	28
PID 1824 wrote to memory of 1148	1824	rundll32.exe	28
PID 1824 wrote to memory of 1148	1824	rundll32.exe	28
PID 1148 wrote to memory of 2312	1148	rundll32.exe	29
PID 1148 wrote to memory of 2312	1148	rundll32.exe	29
PID 1148 wrote to memory of 2312	1148	rundll32.exe	29
PID 1148 wrote to memory of 2312	1148	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824
- 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:1148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 224
    3⤵
    - Program crash
    PID:2312

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

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