Overview

overview

10

Static

static

8

sasas.bin.exe

windows7_x64

6

sasas.bin.exe

windows10_x64

10

Analysis

  • max time kernel
    143s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-11-2020 14:00

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General

  • Target

    sasas.bin.exe

  • Size

    5.7MB

  • MD5

    14e0a802b64a6ce08f1ee408655257e4

  • SHA1

    5c7b10241c27005b804119be34b18d9ae38c2d39

  • SHA256

    afab912c41c920c867f1b2ada34114b22dcc9c5f3666edbfc4e9936c29a17a68

  • SHA512

    a885622588a200097f5bd8e22ccf96d370ceb53883e4b680fcbd19a1d38a1ed81558f40fce7941e95da708508a842b75a58937e1d7d10c4e0f0d8ad50e82086c

Score
6/10
bootkitpersistence

Malware Config

Signatures

  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 1 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 use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sasas.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\sasas.bin.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:1696

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

Replay Monitor

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Downloads

  • memory/1696-0-0x00000000034D0000-0x00000000034E1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-1-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-5-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-2-0x00000000034D0000-0x00000000034E1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-9-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-15-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-13-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-19-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-23-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-31-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-39-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-35-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-33-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-27-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-43-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-45-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-53-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-61-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-69-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-75-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-83-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-89-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-97-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1696-103-0x00000000038E0000-0x00000000038F1000-memory.dmp
    Filesize

    68KB

    Download