95239989cafcf2212a766f867bd0e03746d6ab39fbeff5e22a721524012cc845

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-12-2023 20:39

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General

Target

jb/daytona.pl
Size

4KB
MD5

f1a0ef137d772c23a952ebc2e6a94fa6
SHA1

045847db5b4d10c8575a6d189d54ce952d2e92d5
SHA256

33825b6baecb3392cc2e9f69e30f7f16d55b49b70737d9d129407ba38fb0a8ff
SHA512

6a6c001ba44ea102c5d06a2952647d50d73668a94d37ce108b40ad15428c90dfa7a1d2b4dba3eefd9e25a78dbe0d2ef260dca9e1121194d126479eb3f8336883
SSDEEP

96:1gzHVKgcUB8lQL5TDkF0L4hspvMZwXqWGlhWjDgprHM1p0mB1:1gz5cg8lQL9u0L4Wp0Zoq72umFj

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-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pl	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pl_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pl_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pl_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pl_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pl_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pl_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pl_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pl_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pl\ = "pl_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pl_auto_file\shell\edit	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2664	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2800	2628	cmd.exe	29
PID 2628 wrote to memory of 2800	2628	cmd.exe	29
PID 2628 wrote to memory of 2800	2628	cmd.exe	29
PID 2800 wrote to memory of 2664	2800	rundll32.exe	30
PID 2800 wrote to memory of 2664	2800	rundll32.exe	30
PID 2800 wrote to memory of 2664	2800	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\jb\daytona.pl
1⤵
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\jb\daytona.pl
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\jb\daytona.pl
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2664

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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