pysilon | 2b3088582fd4cf49f53537ebbb845a79891b68facef88fda0ace6901e79d4207 | Triage

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Reports

Overview

overview

Static

static

2b3088582f...07.exe

windows7-x64

7

2b3088582f...07.exe

windows10-2004-x64

9

Sharing

General

Target

2b3088582fd4cf49f53537ebbb845a79891b68facef88fda0ace6901e79d4207
Size

75.7MB
Sample

240913-y2fs5sxcja
MD5

2126949eaa05d623c4395534c24af5e0
SHA1

fe6bc25e5c101c57ad8306a19e2db19719ac219c
SHA256

2b3088582fd4cf49f53537ebbb845a79891b68facef88fda0ace6901e79d4207
SHA512

1f4d53c72568ca4c43cdab581cfc2d4dae3c58c434140cb7b2e9401491dfc9968e609e0df82e48b5f22cd7d8044a0077c58434526f062d7333a79922fcbcc5c3
SSDEEP

1572864:avhQ6lkWIKWSk8IpG7V+VPhqSvE7WTylPDDiY4MHHLeqPNLtD5gpZrKLT:avh1ulKWSkB05awStTy5IMHVLt1akLT

Score

10^/10

pysilon evasion execution persistence pyinstaller upx

Static task

static1

pyinstaller pysilon

4 signatures

Behavioral task

behavioral1

Sample

2b3088582fd4cf49f53537ebbb845a79891b68facef88fda0ace6901e79d4207.exe

Resource

win7-20240903-en

windows7-x64

3 signatures

150 seconds

Behavioral task

behavioral2

Sample

2b3088582fd4cf49f53537ebbb845a79891b68facef88fda0ace6901e79d4207.exe

Resource

win10v2004-20240802-en

evasion execution persistence upx

windows10-2004-x64

15 signatures

150 seconds

Malware Config

Targets

- Target
  
  2b3088582fd4cf49f53537ebbb845a79891b68facef88fda0ace6901e79d4207
- Size
  
  75.7MB
- MD5
  
  2126949eaa05d623c4395534c24af5e0
- SHA1
  
  fe6bc25e5c101c57ad8306a19e2db19719ac219c
- SHA256
  
  2b3088582fd4cf49f53537ebbb845a79891b68facef88fda0ace6901e79d4207
- SHA512
  
  1f4d53c72568ca4c43cdab581cfc2d4dae3c58c434140cb7b2e9401491dfc9968e609e0df82e48b5f22cd7d8044a0077c58434526f062d7333a79922fcbcc5c3
- SSDEEP
  
  1572864:avhQ6lkWIKWSk8IpG7V+VPhqSvE7WTylPDDiY4MHHLeqPNLtD5gpZrKLT:avh1ulKWSkB05awStTy5IMHVLt1akLT
Score

9^/10

upx evasion execution persistence
- Enumerates VirtualBox DLL files
- Command and Scripting Interpreter: PowerShell
  Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
  execution
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- Executes dropped EXE
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Adds Run key to start application
  persistence
- Legitimate hosting services abused for malware hosting/C2
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

PowerShell

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

File and Directory Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Web Service

Exfiltration

Impact

Tasks

static1

pyinstallerpysilon

behavioral1

behavioral2

evasionexecutionpersistenceupx

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