c1019ece5e1779bda9a8a5a072d9f3806e655a489ddae31fbb4f4eefe57651d3

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 03:28

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General

Target

$PLUGINSDIR/AdvSplash.dll
Size

6KB
MD5

c2b0653b5c96f8c9a0d07d157739006d
SHA1

026734bde377a73bc70815ec71225f3025ddba80
SHA256

cededcb856f634d96f6a52ebfad5f0a7992160bd59e56b4fcb29a4d8dded4b52
SHA512

293e9badf2f960c0e1ad82920061977dcfd7ba470918d0ac659f2446783306268410a7de9eb03c78c4a6e44f62c521c83b4335c7474bfe47ea8321fe801af2fc
SSDEEP

96:0QNyX2PtUZsMGe3SlFaqqhN51xWa5kkEkk/StCVwookyc:0FXYtxWSf61vk/kkStCVRt

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2348	2388	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 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2388 wrote to memory of 2348	2388	rundll32.exe	31
PID 2388 wrote to memory of 2348	2388	rundll32.exe	31
PID 2388 wrote to memory of 2348	2388	rundll32.exe	31
PID 2388 wrote to memory of 2348	2388	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:2700
- 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:2388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 232
    3⤵
    - Program crash
    PID:2348

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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