e903253b73d3e43e98088dce800bd5fb75c9b2786153c6d0150080c1d002bbb3

Analysis

max time kernel
121s
max time network
131s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 11:13

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General

Target

temp/1.c
Size

15KB
MD5

e6d7a29c5f5224235a7bdfff35ab6200
SHA1

9a3e74303efeadca49bb8e7884a48782ca0fa9a9
SHA256

0babb210b3a252364147366546f398f4715b7d1816c0389567f235dc68a971d5
SHA512

8bb6c59d07145d932d772849f697b858226bbad4bd7d23bf20c5931f458c704408bf3ecd2291d742fa66bdd04229fc763af7b26c9de7b43d2401e2ecc7c92b12
SSDEEP

192:adZ8LZBJ6HolAUgVfaRp8X/4f4yJ9EDB8jCYfJL4c09FyQXTG02yA:aIL/UHPX/KrwB8jCYRL4cCrG6A

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-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\c_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.c	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\c_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\c_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\c_auto_file\shell\open	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\c_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\c_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.c\ = "c_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\c_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\c_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\c_auto_file\shell\open\command	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2768	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2084	2632	cmd.exe	32
PID 2632 wrote to memory of 2084	2632	cmd.exe	32
PID 2632 wrote to memory of 2084	2632	cmd.exe	32
PID 2084 wrote to memory of 2768	2084	rundll32.exe	33
PID 2084 wrote to memory of 2768	2084	rundll32.exe	33
PID 2084 wrote to memory of 2768	2084	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\temp\1.c
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\temp\1.c
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\temp\1.c
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2768

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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