Overview

overview

6

Static

static

7e176f521d...75.exe

windows7-x64

6

7e176f521d...75.exe

windows10-2004-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    74s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 01:03

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General

  • Target

    7e176f521d268cf22a4c913c17cdfab671becdaab92d5c1cbef3c3b71ca09775.exe

  • Size

    820KB

  • MD5

    6d2bcf3fcb7692d8cd3c3324ba3f02e0

  • SHA1

    b4454f1d358b9d1a6069474ab0fd1c81c19fb230

  • SHA256

    7e176f521d268cf22a4c913c17cdfab671becdaab92d5c1cbef3c3b71ca09775

  • SHA512

    759465d6b21e11e61e6368774e09f2adeff8919ee4cfd78b65e76beee8b1c8a533be9434b63aebef70956ee4dd48908ef4d8904b3aa5601a2ff239cafa501a9e

  • SSDEEP

    24576:7LSC526Cl0FWfLYsDWo0JBQd9ZkuDl96zt3:26ldsiVM9qu6z5

Score
6/10
bootkitpersistence

Malware Config

Signatures

  • 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 19 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e176f521d268cf22a4c913c17cdfab671becdaab92d5c1cbef3c3b71ca09775.exe
    "C:\Users\Admin\AppData\Local\Temp\7e176f521d268cf22a4c913c17cdfab671becdaab92d5c1cbef3c3b71ca09775.exe"
    1⤵
    • 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:1372

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

  • memory/1372-54-0x0000000075921000-0x0000000075923000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1372-55-0x0000000000400000-0x0000000000A0B000-memory.dmp
    Filesize

    6.0MB

    Download
  • memory/1372-57-0x0000000000400000-0x0000000000A0B000-memory.dmp
    Filesize

    6.0MB

    Download
  • memory/1372-58-0x0000000000400000-0x0000000000A0B000-memory.dmp
    Filesize

    6.0MB

    Download
  • memory/1372-59-0x0000000000400000-0x0000000000A0B000-memory.dmp
    Filesize

    6.0MB

    Download