aa8ff4d4c4505f9245ae995be2fee8f6a78b1167126e613490e1c22549bdf142

Resubmissions

22/08/2024, 14:53

240822-r9gxvavhpn3

22/08/2024, 14:49

240822-r631xasfrh5

22/08/2024, 14:35

240822-ryadmasckd9

Analysis

max time kernel
1500s
max time network
1472s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
22/08/2024, 14:35

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General

Target
$PLUGINSDIR/shell_downloader.dll
Size 2.2MB
Sample240822-ryadmasckd
SHA256 0c4abb66d9a69c80cfaa0eb3c988d4dc40d989843a87e95ed3cc6e75dae31559
MD5 30c4aa9356d60d2039ed6bfb7850c4c1
SHA1 ef23c32dab6ed871527151932bbfe8b917d507af
SHA512 f425c9fcefd2ed55160d173b8e441f7867307fd006b0f01a655120ba150d87568ddc6266d36163267ce508df8147a97c16982093808c766051ca1e02ba9cc62b
SSDEEP 49152:6oiR6tzluS2KbICD13Nw2FiBLROWnhJV:6oiR+zDhbB19w+i1ROW
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1100	1320	WerFault.exe	80

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 3 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 1320	4844	rundll32.exe	80
PID 4844 wrote to memory of 1320	4844	rundll32.exe	80
PID 4844 wrote to memory of 1320	4844	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 620
    3⤵
    - Program crash
    PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1320 -ip 1320
1⤵
PID:4640

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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