81c7f5b291b1fcd6d64f7f12208b0134a8462f156dbda97188ec0ba5ff869478

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/12/2024, 12:34

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General

Target
$PLUGINSDIR/System.dll
Size 11KB
Sample241216-prrcfs1pan
SHA256 982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
MD5 0ff2d70cfdc8095ea99ca2dabbec3cd7
SHA1 10c51496d37cecd0e8a503a5a9bb2329d9b38116
SHA512 cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e
SSDEEP 192:eK24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlASl:u8QIl975eXqlWBrz7YLOlA
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	2680	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 2684 wrote to memory of 2680	2684	rundll32.exe	30
PID 2684 wrote to memory of 2680	2684	rundll32.exe	30
PID 2684 wrote to memory of 2680	2684	rundll32.exe	30
PID 2684 wrote to memory of 2680	2684	rundll32.exe	30
PID 2684 wrote to memory of 2680	2684	rundll32.exe	30
PID 2684 wrote to memory of 2680	2684	rundll32.exe	30
PID 2684 wrote to memory of 2680	2684	rundll32.exe	30
PID 2680 wrote to memory of 2352	2680	rundll32.exe	31
PID 2680 wrote to memory of 2352	2680	rundll32.exe	31
PID 2680 wrote to memory of 2352	2680	rundll32.exe	31
PID 2680 wrote to memory of 2352	2680	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- 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:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 224
    3⤵
    - Program crash
    PID:2352

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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