363c18f062e7988139c4d3ba1d5234a9af1d78bf021ac04ce49ac0c28f3b16ee

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04/01/2025, 21:15

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General

Target

$PLUGINSDIR/shell_downloader.dll
Size

2.2MB
MD5

30c4aa9356d60d2039ed6bfb7850c4c1
SHA1

ef23c32dab6ed871527151932bbfe8b917d507af
SHA256

0c4abb66d9a69c80cfaa0eb3c988d4dc40d989843a87e95ed3cc6e75dae31559
SHA512

f425c9fcefd2ed55160d173b8e441f7867307fd006b0f01a655120ba150d87568ddc6266d36163267ce508df8147a97c16982093808c766051ca1e02ba9cc62b
SSDEEP

49152:6oiR6tzluS2KbICD13Nw2FiBLROWnhJV:6oiR+zDhbB19w+i1ROW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3000	3064	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 2124 wrote to memory of 3064	2124	rundll32.exe	30
PID 2124 wrote to memory of 3064	2124	rundll32.exe	30
PID 2124 wrote to memory of 3064	2124	rundll32.exe	30
PID 2124 wrote to memory of 3064	2124	rundll32.exe	30
PID 2124 wrote to memory of 3064	2124	rundll32.exe	30
PID 2124 wrote to memory of 3064	2124	rundll32.exe	30
PID 2124 wrote to memory of 3064	2124	rundll32.exe	30
PID 3064 wrote to memory of 3000	3064	rundll32.exe	31
PID 3064 wrote to memory of 3000	3064	rundll32.exe	31
PID 3064 wrote to memory of 3000	3064	rundll32.exe	31
PID 3064 wrote to memory of 3000	3064	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- 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
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 256
    3⤵
    - Program crash
    PID:3000

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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