eb3d53ab3832363ac56d1cd70dbb35fa4675d2dbe828165c881b1e7ea553e29e

Analysis

max time kernel
150s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 22:22

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General

Target

native/performance/__init__.pyo
Size

188B
MD5

6cd89e23432942ed34d6a7b75a3e8287
SHA1

fc09da5f257d6441785af2c3b73402c0a75927d9
SHA256

97c9fa9b6fe72ab5a2dd72dadb46b5a3e2dc40f23af7a3231ce73a529f5b094b
SHA512

4d5187ccfd4966579c6e6a4cd10979f6ae92e730afa935fa6e6ae8a13bca62eb18f8fcd1da24c7898032eaac1adf806f961f45725d9bc2123df52dd77709eea2

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\pyo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\pyo_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\pyo_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.pyo	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 996	2036	cmd.exe	28
PID 2036 wrote to memory of 996	2036	cmd.exe	28
PID 2036 wrote to memory of 996	2036	cmd.exe	28
PID 996 wrote to memory of 1332	996	rundll32.exe	29
PID 996 wrote to memory of 1332	996	rundll32.exe	29
PID 996 wrote to memory of 1332	996	rundll32.exe	29
PID 996 wrote to memory of 1332	996	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\native\performance\__init__.pyo
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\native\performance\__init__.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:996
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\native\performance\__init__.pyo"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1332

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

Replay Monitor

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Downloads

memory/1332-82-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/2036-54-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp

Filesize
8KB

Download