Overview

overview

8

Static

static

8

tmp.exe

windows7_x64

6

tmp.exe

windows10-2004_x64

6

Analysis

  • max time kernel
    91s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    22-05-2022 09:49

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General

  • Target

    tmp.exe

  • Size

    1.3MB

  • MD5

    756e9a919f3263313d2aa615fa2c4e07

  • SHA1

    ab4587aaeebe307416adf32ca542d4ee61465ca1

  • SHA256

    c6f683d875c4d7b463750391aa68524d517400900da8317069de4f7ac6a703b0

  • SHA512

    3a3896b833bdcb084a1a0c0d9777ebb0b7cd34fe6b89ef1c17f37ace011b26e972d4132edc1b48f91abbc3d3892db4616fd788f8434b0ffa921ceb4664bd4881

Score
6/10
bootkitpersistence

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 24 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:1228

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads