3ea350fa6916e36ba67a8a17a347bb89ab2567120eb9af4cf6648c1809711274

Analysis

max time kernel
839s
max time network
851s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20-07-2023 05:12

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General

Target

1d81c09d8249410587ae.zipal
Size

276B
MD5

7283dd4228e51df20b0fe3c76ea547da
SHA1

a5e4a246f7dd2edbe61491e5dd66861553279cd4
SHA256

43ae16f6fbcc84d67f3557365b85666f75ea17baf24cf0ed38aa0a960bb197a3
SHA512

e4900b530a9334db9508e444ac37a0ea4332ebde4eb10bc0a6d5a0771afe02cae332fd27a27b6ac8e0ec51294610f9ec3fbe037ed2fab79d66c5b8eda9ca0066

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-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipal_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipal_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipal_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.zipal\ = "zipal_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.zipal	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipal_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipal_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipal_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipal_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipal_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\zipal_auto_file\	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2276	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2964	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2964	2652	cmd.exe	29
PID 2652 wrote to memory of 2964	2652	cmd.exe	29
PID 2652 wrote to memory of 2964	2652	cmd.exe	29
PID 2964 wrote to memory of 2276	2964	rundll32.exe	32
PID 2964 wrote to memory of 2276	2964	rundll32.exe	32
PID 2964 wrote to memory of 2276	2964	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\1d81c09d8249410587ae.zipal
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\1d81c09d8249410587ae.zipal
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\1d81c09d8249410587ae.zipal
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2276

Network

MITRE ATT&CK Enterprise v6

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 v6

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