5546076ae6554a76b243471a4a3c3d002ef80b7504282c05c2a4fb923c8b77fd

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
14/10/2024, 07:45

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General

Target
up.dll
Size 45.7MB
Sample241014-jlehtasbpe
SHA256 5546076ae6554a76b243471a4a3c3d002ef80b7504282c05c2a4fb923c8b77fd
MD5 96b46f6f511442e7a1b5daa125ced491
SHA1 337f4b6d92b567c30b90de1666f8adb32b457ee2
SHA512 e5b359cac7eaaf7255734a86e562706061ed133c09b3ca6a54c3aa2cdae36e60e8766b38dc4d31ca74bff768f6a4a63e90baeca10e64ce7819927effddd6686e
SSDEEP 24576:ab5Wyc+GYmc0guuEtMQxmbW0dH580xYIwzO0Zzp:ab8ysYm5ax580/wK0Zzp
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4556	1600	WerFault.exe	85

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 1884 wrote to memory of 1600	1884	rundll32.exe	85
PID 1884 wrote to memory of 1600	1884	rundll32.exe	85
PID 1884 wrote to memory of 1600	1884	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\up.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\up.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 772
    3⤵
    - Program crash
    PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1600 -ip 1600
1⤵
PID:1912

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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