3cfb5e4c47015ffff48609e8400770850a61d53e59259cba2a0b1c36a88c9aab

Resubmissions

03/10/2024, 14:37

241003-ry6f3azgnm10

02/10/2024, 18:00

241002-wlawvazanm10

Analysis

max time kernel
1443s
max time network
1448s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 14:37

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General

Target
sim.py
Size 20KB
Sample241003-ry6f3azgnm
SHA256 3cfb5e4c47015ffff48609e8400770850a61d53e59259cba2a0b1c36a88c9aab
MD5 0c472b2e6618aca50cb2dff20cd51562
SHA1 df5a0d16ee26aa97087c9d1cd28e08632bcd6000
SHA512 17ac9ba0eb34fb86bdc2cec890f54b0a802b8535c05bfa8479e69a63c352eba51b9df04eb66b03a431921de7bde368d5a7a2edb6217b7b2871f4cdc1a114a1dc
SSDEEP 384:GRExTcSVqPb61rNykWy/k74Fft1froMzZOguu:NxTcSVqPb6N/7oIeu
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\py_auto_file\	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2808	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 784	2352	cmd.exe	30
PID 2352 wrote to memory of 784	2352	cmd.exe	30
PID 2352 wrote to memory of 784	2352	cmd.exe	30
PID 784 wrote to memory of 2808	784	rundll32.exe	31
PID 784 wrote to memory of 2808	784	rundll32.exe	31
PID 784 wrote to memory of 2808	784	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sim.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sim.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:784
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sim.py
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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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Downloads