c351b4878a034ce7d31673ceeab281922585b1b26a9f520c2cf69f5f900d87a0

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31/12/2024, 03:28

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General

Target

$PLUGINSDIR/System.dll
Size

9KB
MD5

0e4c4e4eb158e3f250ca9161156e74a5
SHA1

78d055856312c2b9f313877f7f72ca936554095a
SHA256

60e6e287828dd882447a79018b505bb3be67b0f04fc8e022a57442e249588ed1
SHA512

eba47ef4d16532df26f50e42bb5650733844ffc94b6f0e9037c2a2854326e9bcf1d6c967f541a655a91452c9357eb4ba1aedf85a2757a560ad4527a8f6b63ebc
SSDEEP

96:F6MvJGp7txVLdOEuRKfUv2GS45RJZhrks19LbXJs2Wt9NlUUcXLEPSStL:iZL0iU+Gx5RfNF9vCt5bltL

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1792	740	WerFault.exe	31

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 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 740 wrote to memory of 1792	740	rundll32.exe	32
PID 740 wrote to memory of 1792	740	rundll32.exe	32
PID 740 wrote to memory of 1792	740	rundll32.exe	32
PID 740 wrote to memory of 1792	740	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 224
    3⤵
    - Program crash
    PID:1792

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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