a34bfecbf575530e1a8972bd2676a2b4aa9997654cfc3428222e6fef19678751

Analysis

max time kernel
92s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2024, 15:03

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General

Target
$PLUGINSDIR/Base64.dll
Size 4KB
Sample241107-sfefasvbmm
SHA256 7c688940e73022bf526f07cc922a631a1b1db78a19439af6bafbff2a3b46d554
MD5 f0e3845fefd227d7f1101850410ec849
SHA1 3067203fafd4237be0c186ddab7029dfcbdfb53e
SHA512 584ae5a0d1c1639ba4e2187d0c8a0ac7e54c0be0a266029c4689d81c0c64a7f80e7d918da0df5c6344f9f7a114f30d8f2feda253b29e813bae086604731a3d8a
SSDEEP 48:SxSrr7xd14m4bLKwvnvcfDw1hEiauGkDVK+hIg4qT9/3lt:zr7xd14m4qw/vGwrEickDVthcE/
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1456	452	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 452	3204	rundll32.exe	83
PID 3204 wrote to memory of 452	3204	rundll32.exe	83
PID 3204 wrote to memory of 452	3204	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Base64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Base64.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 604
    3⤵
    - Program crash
    PID:1456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 452 -ip 452
1⤵
PID:2916

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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