Overview

overview

8

Static

static

8

vnshell.ap...33.exe

windows7_x64

8

vnshell.ap...33.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05-07-2022 07:00

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General

  • Target

    vnshell.app_-_BOOTICEx64.exe___c8dd28f1135c11861eb7d93b7a931433.exe

  • Size

    450KB

  • MD5

    c8dd28f1135c11861eb7d93b7a931433

  • SHA1

    a59038260c47467a8ba32fe1053ea64193c0fc20

  • SHA256

    708ca37f627961e44b9e64515ac0d162c54d6b87a627ade0ef05ba419cc2d509

  • SHA512

    c23e5dd48874878ae23fc7506b895dcad5947e2af6997a0eae4f283185fe7b2dd58ab7bb5defd556044365aac44772cd290c1a0b04574915ffc36eb5563a8d11

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vnshell.app_-_BOOTICEx64.exe___c8dd28f1135c11861eb7d93b7a931433.exe
    "C:\Users\Admin\AppData\Local\Temp\vnshell.app_-_BOOTICEx64.exe___c8dd28f1135c11861eb7d93b7a931433.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\system32\bcdedit.exe
      "C:\Windows\system32\bcdedit.exe"
      2⤵
        PID:1988

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/1948-54-0x000007FEFBEF1000-0x000007FEFBEF3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1948-56-0x000000013FB90000-0x000000013FCE2000-memory.dmp
      Filesize

      1.3MB

      Download
    • memory/1948-57-0x0000000001E10000-0x0000000001E20000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1948-58-0x0000000001E10000-0x0000000001E20000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1988-55-0x0000000000000000-mapping.dmp
      Download