335979fd79548ce5fc97dd51102134fcdbda7f7973d000070399134034eb94b5

Analysis

max time kernel
120s
max time network
139s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 18:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ccb/admin/c_class_set_ok.pl
Size

4KB
MD5

a1966506c428973b3f3f81b24230d25c
SHA1

3bba7056b6706188e6b8c96c1ae9f35d574e9502
SHA256

033cd23bd8c3f2263162c994b72c692e5335ed5318e3e30f597f4785aca3dec6
SHA512

012a524effb22aafb0ae1f68f38b7e3b5e80325c8d1886bbb9ea646d9bed26f08010b9bff26e6bf0742e0f7db7f19b8b9819b43c8062f405cbaadf021d6b9856
SSDEEP

96:elF3m9Gw+YgDRJVhWofJObk6wSZKWElKG:wFg+YgDRJVhWofJOb7bEkG

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-1-5-21-1658372521-4246568289-2509113762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pl_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.pl	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.pl\ = "pl_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pl_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pl_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pl_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pl_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pl_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pl_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pl_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\pl_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2432	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2532	2212	cmd.exe	29
PID 2212 wrote to memory of 2532	2212	cmd.exe	29
PID 2212 wrote to memory of 2532	2212	cmd.exe	29
PID 2532 wrote to memory of 2432	2532	rundll32.exe	30
PID 2532 wrote to memory of 2432	2532	rundll32.exe	30
PID 2532 wrote to memory of 2432	2532	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ccb\admin\c_class_set_ok.pl
1⤵
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ccb\admin\c_class_set_ok.pl
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ccb\admin\c_class_set_ok.pl
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2432

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

Replay Monitor

Loading Replay Monitor...

Downloads