cbd43bdcb7e75cff1e937fe47faa7770647da504aa28fbf3f1b7415ac282456e

Analysis

max time kernel
142s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 22:57

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General

Target

$PLUGINSDIR/mfhecv.dll
Size

30KB
MD5

e97a552be97bf8ca0cd083250ef8b343
SHA1

8283294c2b23684bf1aa6bdc7729ef80efcf7673
SHA256

7ae5225917f9eb18e030e2aad1c0b9f7a3fc5789986e9222281cb3663d5f0775
SHA512

0f9f53254f11ee2f3cf757ba5459c8380bd07872cbb12a5dc0a681f978e5c10eb136bca57de593adbd806980d1484896a47ab4eaab1794c98113b80992e9a07a
SSDEEP

768:AYYsBQJDh7wN4Ce1k95WuPO8P9se1wcEWTF9D8E:AoBQJD6LPO8P9fwcE0qE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4140	2492	WerFault.exe	83

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 7 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 2492	4812	rundll32.exe	83
PID 4812 wrote to memory of 2492	4812	rundll32.exe	83
PID 4812 wrote to memory of 2492	4812	rundll32.exe	83
PID 2492 wrote to memory of 452	2492	rundll32.exe	87
PID 2492 wrote to memory of 452	2492	rundll32.exe	87
PID 2492 wrote to memory of 452	2492	rundll32.exe	87
PID 2492 wrote to memory of 452	2492	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mfhecv.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mfhecv.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2492
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mfhecv.dll,#1
    3⤵
    PID:452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 692
    3⤵
    - Program crash
    PID:4140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2492 -ip 2492
1⤵
PID:1428

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

Replay Monitor

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Downloads

memory/2492-0-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2492-1-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download