57433b36d4a258d2b0453d79c682478a2a4eb602df25227d878ebe52a7ad8765

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
11/10/2022, 21:02

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General

Target

Roblox Executor/config/rustic.cfg
Size

7KB
MD5

2c6ab957b1b26188c8c5e061b47b1efd
SHA1

62abf98d86280029905fe83a23e03065cfb301d5
SHA256

9eaf4f0dea3c7a03cf75e480f2e96836ac29e1b70f960cd469012d6818ceb3de
SHA512

4fa1f6dd4f4e83aada1838897276da200a8276d9768a10ff42280ad94f51c46553e665d493246a86634cbce45663ba99cc75065aa556e10ef0d95acfd561c150
SSDEEP

192:lzQISsbfPhb8Z36IWPJz2p/anWZWZASOvaaA:lzQIlb3h4J6PPJz2p/q2o

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\cfg_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.cfg	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\cfg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\cfg_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\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\cfg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\cfg_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 1940	1220	cmd.exe	28
PID 1220 wrote to memory of 1940	1220	cmd.exe	28
PID 1220 wrote to memory of 1940	1220	cmd.exe	28
PID 1940 wrote to memory of 624	1940	rundll32.exe	29
PID 1940 wrote to memory of 624	1940	rundll32.exe	29
PID 1940 wrote to memory of 624	1940	rundll32.exe	29
PID 1940 wrote to memory of 624	1940	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Roblox Executor\config\rustic.cfg"
1⤵
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Roblox Executor\config\rustic.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1940
- - 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\Roblox Executor\config\rustic.cfg"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:624

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/624-82-0x00000000765B1000-0x00000000765B3000-memory.dmp

Filesize
8KB

Download
memory/1220-54-0x000007FEFBE61000-0x000007FEFBE63000-memory.dmp

Filesize
8KB

Download