853a22fbcdcdff08189f96dcf352d80e7fc7ebcb0b80db7ea5ef92bd7fb22349

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 06:36

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General

Target

$PLUGINSDIR/AdvSplash.dll
Size

5KB
MD5

41be2441ee7c684eaa76a62d4223b4c7
SHA1

05de8220e296db1025f7bd4d9de1f44370018162
SHA256

0990902460ec38bcd605b518bffa081942c6f4c5fe1828a61ba3965bbf15d8bd
SHA512

fec074a2196141e497334b57563dc7863a0b949d348164aec8c4f21d1b3c4ed795e03fd6e5726a2e90da7015abfbb4e28102647c0e343e84a707e99271a1a938
SSDEEP

48:i/UYdq4ThVJttIETQ1lk+MfSvZcLLefNDpXq65wtBpuRNanZNA6zu6cv9n1MFM0C:qvTFfSc+0OeLLefNDE6OuXaZq6VG6MJ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2428	2392	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 1352 wrote to memory of 2392	1352	rundll32.exe	30
PID 1352 wrote to memory of 2392	1352	rundll32.exe	30
PID 1352 wrote to memory of 2392	1352	rundll32.exe	30
PID 1352 wrote to memory of 2392	1352	rundll32.exe	30
PID 1352 wrote to memory of 2392	1352	rundll32.exe	30
PID 1352 wrote to memory of 2392	1352	rundll32.exe	30
PID 1352 wrote to memory of 2392	1352	rundll32.exe	30
PID 2392 wrote to memory of 2428	2392	rundll32.exe	31
PID 2392 wrote to memory of 2428	2392	rundll32.exe	31
PID 2392 wrote to memory of 2428	2392	rundll32.exe	31
PID 2392 wrote to memory of 2428	2392	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 232
    3⤵
    - Program crash
    PID:2428

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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