eb3d53ab3832363ac56d1cd70dbb35fa4675d2dbe828165c881b1e7ea553e29e

Analysis

max time kernel
149s
max time network
50s
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/animation/arb.pyo
Size

19KB
MD5

f4fe1988c88f7c7b9999ab9738e4d3f2
SHA1

3638c41ca110b740c7e4b0110db84c2df9faf32f
SHA256

24a70a457eda4b8c855563fd20a5e0a05b84724728b431f554b46456e0acd8e8
SHA512

1f6e7ea5b8630495b7283adb5f4d5a030d68ee6e40f932e25221a5d9e2ea7f9ebc08bbd1fceea1004b5486196100e8dda5371f6cae5bc67367f7fc50a788eafb
SSDEEP

192:mHrkgvfoK2wPIFBvlDfstGJvl7c2IlmzJlIlowKpK6ZcUoLmLENWt3Ze7xl1rjgY:6dhilZ06vdKK4xr2LZ/CncvY2R9IJ9r

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
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\pyo_auto_file\shell\Read\command	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
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.pyo	rundll32.exe
Set value (str)	\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\Read	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

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
360	AcroRd32.exe
360	AcroRd32.exe
360	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 1076	1464	cmd.exe	27
PID 1464 wrote to memory of 1076	1464	cmd.exe	27
PID 1464 wrote to memory of 1076	1464	cmd.exe	27
PID 1076 wrote to memory of 360	1076	rundll32.exe	28
PID 1076 wrote to memory of 360	1076	rundll32.exe	28
PID 1076 wrote to memory of 360	1076	rundll32.exe	28
PID 1076 wrote to memory of 360	1076	rundll32.exe	28

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\native\animation\arb.pyo
1⤵
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\native\animation\arb.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1076
- - 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\animation\arb.pyo"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:360

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/360-82-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1464-54-0x000007FEFB5E1000-0x000007FEFB5E3000-memory.dmp

Filesize
8KB

Download