74be6c40d1f22f291dd504e97570c7c678ce9e46e32dfd94c94126de75ae21cd

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 07:28

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General

Target

AutoUpdate.dll
Size

220KB
MD5

99ab06b12d183049921f4d3f4d78bb1a
SHA1

05dfbabe1617b10d3e3aab39423d9e56afe4da54
SHA256

85d8583bb740820fd6c1daba6e739b866248d456c7af4fbc486586c6ab7b5ac5
SHA512

27fe0d187fab07a547d29a8f7e6fb6a5cd4802295e6ced690303c63b88ae118a0519cee977a6ffefc342782aab50de530711e72496252f9eaa1e2ded6776f342
SSDEEP

3072:zuWY8aNwojD+2R92TFBpqtcS9YuypCrI7zzXLdHkvzL5+gMOWlvZeF:qWvojXR9GgtU7HiJ+8IU

Score

3^/10

discovery

Malware Config

Signatures

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 7 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2580	2540	rundll32.exe	29
PID 2540 wrote to memory of 2580	2540	rundll32.exe	29
PID 2540 wrote to memory of 2580	2540	rundll32.exe	29
PID 2540 wrote to memory of 2580	2540	rundll32.exe	29
PID 2540 wrote to memory of 2580	2540	rundll32.exe	29
PID 2540 wrote to memory of 2580	2540	rundll32.exe	29
PID 2540 wrote to memory of 2580	2540	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoUpdate.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoUpdate.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2580

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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