4e85005577b1ff875c7d3004dd290ffda262afb02b3d4129553a4232c290e5e4

Analysis

max time kernel
121s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
15-10-2024 02:53

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General

Target

$PLUGINSDIR/NSISdl.dll
Size

96KB
MD5

da5be8a2066d67c93265dcd6a9c9dddf
SHA1

8fe968e27e259530dfb435511b1dbe4d167bfda4
SHA256

30dc225ef4a4e084ee65c0912d07abdd939d5a49fb3fda535d6c41ac6b112f0b
SHA512

d7a98903adca16124c538a12ae912432d6ebc1874e9beaddf394004e96a33a58ab68f5f2e2771b83c56cfc53e05e314d4ab79d5c034459d7bcfd31090fd4bf97
SSDEEP

1536:8/fL6f67dFj7xWkdX+zHK7K2h9PORs7dR0h1UgDH40NF:8nL6f67dhxWW00tYwK1UgT46

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2040	1824	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 3056 wrote to memory of 1824	3056	rundll32.exe	30
PID 3056 wrote to memory of 1824	3056	rundll32.exe	30
PID 3056 wrote to memory of 1824	3056	rundll32.exe	30
PID 3056 wrote to memory of 1824	3056	rundll32.exe	30
PID 3056 wrote to memory of 1824	3056	rundll32.exe	30
PID 3056 wrote to memory of 1824	3056	rundll32.exe	30
PID 3056 wrote to memory of 1824	3056	rundll32.exe	30
PID 1824 wrote to memory of 2040	1824	rundll32.exe	31
PID 1824 wrote to memory of 2040	1824	rundll32.exe	31
PID 1824 wrote to memory of 2040	1824	rundll32.exe	31
PID 1824 wrote to memory of 2040	1824	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:3056
- 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:1824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 228
    3⤵
    - Program crash
    PID:2040

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/1824-0-0x0000000070C00000-0x0000000070C23000-memory.dmp

Filesize
140KB

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