Overview

overview

8

Static

static

8

da942abec4...ff.exe

windows7-x64

8

da942abec4...ff.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    173s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 10:07

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General

  • Target

    da942abec4203cab6b04833f8003f864c22a6b8f1c82172e6686499c1b60dbff.exe

  • Size

    737KB

  • MD5

    16a893c66114c93b6badd988eac721f2

  • SHA1

    0f82b3ede2a7ec35f23bca14327c900d37af36a8

  • SHA256

    da942abec4203cab6b04833f8003f864c22a6b8f1c82172e6686499c1b60dbff

  • SHA512

    00dff36f19635dde1a22fa9d42ad308b263928cbb772bc13bfeecc8d62e7c6a4501798778cc7b030fff69912d6d34420afa3fe8982bbdd35375a00febb27cd39

  • SSDEEP

    12288:UNSpN+CahFL6z7/3gOgGk/a65ptoW9cad/6sdidFBRR1ISGx5X4iYAuT10QVhc/Q:YSqCkFL6n/gyk/aGto38didFnR1xGnoB

Score
8/10
bootkitpersistenceupx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

    upx
  • Loads dropped DLL 1 IoCs
  • 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 use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da942abec4203cab6b04833f8003f864c22a6b8f1c82172e6686499c1b60dbff.exe
    "C:\Users\Admin\AppData\Local\Temp\da942abec4203cab6b04833f8003f864c22a6b8f1c82172e6686499c1b60dbff.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of AdjustPrivilegeToken
    PID:4220

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Newkernel32.dll
    Filesize

    625KB

    MD5

    eccf28d7e5ccec24119b88edd160f8f4

    SHA1

    98509587a3d37a20b56b50fd57f823a1691a034c

    SHA256

    820c83c0533cfce2928e29edeaf6c255bc19ac9718b25a5656d99ffac30a03d6

    SHA512

    c1c94bbb781625b2317f0a8178d3a10d891fb71bca8f82cd831c484e8ab125301b82a14fe2ff070dc99a496cc00234300fa5536401018c40d49d44ae89409670

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  • memory/4220-132-0x0000000000400000-0x00000000005DD000-memory.dmp
    Filesize

    1.9MB

    Download
  • memory/4220-134-0x0000000000400000-0x00000000005DD000-memory.dmp
    Filesize

    1.9MB

    Download