3b502edbf977c5a629a89dca66683d9f3c79588b47dcf4177fc492fe01187c43

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2024, 02:11

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General

Target

$TEMP/Nusupumewu.dll
Size

11KB
MD5

a5be4fbb8fe08060c779ee7f206f7e40
SHA1

0d7cd2613abce8133b2f0e6e88cdca345ce7afaa
SHA256

c01b3508abdfdb58dae16e0de08792a0bb26be7f16d5be9abcbdd3f7fb573810
SHA512

2db534046d3acb226813dc346923e2ae5eb666f3ce5686a7fb66a893e521bd2d17b6fc2c3c7c09fed351cfe535d441d9d85c44ea3ea154e9de83dc50caca42ae
SSDEEP

192:UGVXcbL7R1UQQZmy7eY82DX8oDwtOg9yo41uDhqi2svGfKAQNqyQwoE+:UGVeL7R1Jy7luoDOGVsjrdnoE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
384	3748	WerFault.exe	84

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 64 wrote to memory of 3748	64	rundll32.exe	84
PID 64 wrote to memory of 3748	64	rundll32.exe	84
PID 64 wrote to memory of 3748	64	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\Nusupumewu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:64
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\Nusupumewu.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 604
    3⤵
    - Program crash
    PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3748 -ip 3748
1⤵
PID:2340

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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