f294e7f4f7be1f9bc726714d9562c3d28e6db46a614659abbc2308387d59f752

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 19:33

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General

Target

_private/Mss32.dll
Size

343KB
MD5

f520185e02e8a5d85860669176bc4adc
SHA1

cea8e9ff14994c89ad86cf891c89fea42a39250a
SHA256

fe62f1eb6ba407df77619d16927abbefad3c726014f6bd1f8c37a7c3d6b781cc
SHA512

b434e77a17cdac0109b698d0fccdd25dcdb15090a9fd0427504cc7f616673fa6c7307f07fb22cc2fc1e915887c0f9dc025aa8d38f51503f91df6a9ccee5ebe58
SSDEEP

6144:zP/1qeom4nrYNQvvHCkVvH0DMHvZW4aHrmtcitczJ3v:zn1qesnr3vHfdUDovbaHrmtcsS

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2972	1640	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 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1640 wrote to memory of 2972	1640	rundll32.exe	31
PID 1640 wrote to memory of 2972	1640	rundll32.exe	31
PID 1640 wrote to memory of 2972	1640	rundll32.exe	31
PID 1640 wrote to memory of 2972	1640	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_private\Mss32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_private\Mss32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 236
    3⤵
    - Program crash
    PID:2972

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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