eb3d53ab3832363ac56d1cd70dbb35fa4675d2dbe828165c881b1e7ea553e29e

Analysis

max time kernel
150s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 22:22

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General

Target

native/performance/counters.pyo
Size

1KB
MD5

96ce62b61fd8f0c1f9af763984380c4c
SHA1

6e35f18677956bac42a7f67d7f854d7cfd0640c1
SHA256

59bb7b78625074a940c67c52b6738790e5c28518fd3f5fde7cc3bde974a84687
SHA512

16b637843c4165a81c9057b30fe09b110ce77922e2f0239d4b191e6bd083eb5de934b09ddba670e320c1ec9b75f9648890bf491b30cd6fef7966d477792272e6

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-1-5-21-4063495947-34355257-727531523-1000_CLASSES\pyo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.pyo	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\pyo_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_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-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 320	996	cmd.exe	28
PID 996 wrote to memory of 320	996	cmd.exe	28
PID 996 wrote to memory of 320	996	cmd.exe	28
PID 320 wrote to memory of 1680	320	rundll32.exe	29
PID 320 wrote to memory of 1680	320	rundll32.exe	29
PID 320 wrote to memory of 1680	320	rundll32.exe	29
PID 320 wrote to memory of 1680	320	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\native\performance\counters.pyo
1⤵
- Suspicious use of WriteProcessMemory
PID:996
- 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\counters.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:320
- - 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\counters.pyo"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1680

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/996-54-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmp

Filesize
8KB

Download
memory/1680-82-0x00000000760E1000-0x00000000760E3000-memory.dmp

Filesize
8KB

Download