Overview

overview

8

Static

static

684a6a02bc...8e.exe

windows7-x64

8

684a6a02bc...8e.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    152s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 05:16

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General

  • Target

    684a6a02bc105dec6af660a46bb1db1353f8c4f4f9166da7fcb3680d21c70c8e.exe

  • Size

    845KB

  • MD5

    340d640282d2b8af6838bffc2eececa0

  • SHA1

    ba33257b2a96bef8cdf08d20dabf3b7a165b9916

  • SHA256

    684a6a02bc105dec6af660a46bb1db1353f8c4f4f9166da7fcb3680d21c70c8e

  • SHA512

    ff17c6784a5f8b92307923af033dc948167dc532361744dc81812a9794242ac14966f299962f3f2d23423c1401dab2668840e90f2bd8c2b05a10a35f35230055

  • SSDEEP

    24576:9Y8/UaHDWHLrKF52YEqJ3Z597nKOV2UAQd15N:HUaH+aMYN97Ac

Score
8/10
bootkitpersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SendNotifyMessage 11 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\684a6a02bc105dec6af660a46bb1db1353f8c4f4f9166da7fcb3680d21c70c8e.exe
    "C:\Users\Admin\AppData\Local\Temp\684a6a02bc105dec6af660a46bb1db1353f8c4f4f9166da7fcb3680d21c70c8e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\ProgramData\isecurity.exe
      C:\ProgramData\isecurity.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1152

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\ProgramData\isecurity.exe
    Filesize

    840KB

    MD5

    60ce69a06b03553eda119377e4de2319

    SHA1

    69eb4666f380b56fca1bcd582abca4d1cb494e86

    SHA256

    99b11aa46b72d08d22d4506bea8c86d0216028c75be60d5de25d7fc7465672a5

    SHA512

    0f0a8ecf7840d6aa07136b82f940fab5f783b5ba7e8fb335498266f3eeb18cd724a8aabb498febaca7f8c3c699afabd51138c2f473242a812b00ab9eed33a7b0

    Download Submit
  • \ProgramData\isecurity.exe
    Filesize

    840KB

    MD5

    60ce69a06b03553eda119377e4de2319

    SHA1

    69eb4666f380b56fca1bcd582abca4d1cb494e86

    SHA256

    99b11aa46b72d08d22d4506bea8c86d0216028c75be60d5de25d7fc7465672a5

    SHA512

    0f0a8ecf7840d6aa07136b82f940fab5f783b5ba7e8fb335498266f3eeb18cd724a8aabb498febaca7f8c3c699afabd51138c2f473242a812b00ab9eed33a7b0

    Download Submit
  • \ProgramData\isecurity.exe
    Filesize

    840KB

    MD5

    60ce69a06b03553eda119377e4de2319

    SHA1

    69eb4666f380b56fca1bcd582abca4d1cb494e86

    SHA256

    99b11aa46b72d08d22d4506bea8c86d0216028c75be60d5de25d7fc7465672a5

    SHA512

    0f0a8ecf7840d6aa07136b82f940fab5f783b5ba7e8fb335498266f3eeb18cd724a8aabb498febaca7f8c3c699afabd51138c2f473242a812b00ab9eed33a7b0

    Download Submit
  • \ProgramData\isecurity.exe
    Filesize

    840KB

    MD5

    60ce69a06b03553eda119377e4de2319

    SHA1

    69eb4666f380b56fca1bcd582abca4d1cb494e86

    SHA256

    99b11aa46b72d08d22d4506bea8c86d0216028c75be60d5de25d7fc7465672a5

    SHA512

    0f0a8ecf7840d6aa07136b82f940fab5f783b5ba7e8fb335498266f3eeb18cd724a8aabb498febaca7f8c3c699afabd51138c2f473242a812b00ab9eed33a7b0

    Download Submit
  • memory/1152-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1152-63-0x0000000000400000-0x0000000000A39000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/1152-65-0x0000000000400000-0x0000000000A39000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/1152-66-0x0000000000400000-0x0000000000A39000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/1152-67-0x0000000000400000-0x0000000000A39000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/2028-54-0x0000000076651000-0x0000000076653000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2028-55-0x0000000000400000-0x0000000000506000-memory.dmp
    Filesize

    1.0MB

    Download
  • memory/2028-56-0x0000000000400000-0x0000000000506000-memory.dmp
    Filesize

    1.0MB

    Download