Overview

overview

7

Static

static

3

a5345f726a...c7.exe

windows7-x64

a5345f726a...c7.exe

windows10-2004-x64

Analysis

  • max time kernel
    6s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    27/08/2023, 17:18

Sharing

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    a5345f726a7e273e3c8ad979f59bba7466dda82c01aaea43a6ea88c48dce26c7.exe

  • Size

    828KB

  • MD5

    694234dd2e13e36db1fb10843cff379b

  • SHA1

    723cfb1494e59d8095326ae041fb6dfb3076b1b8

  • SHA256

    a5345f726a7e273e3c8ad979f59bba7466dda82c01aaea43a6ea88c48dce26c7

  • SHA512

    39a59f1b4f42d26b3a12c914c2f27ad197912a4fd00dab7d5d70daa52d88052339d489e4efda588cf2ed23ab03d1f8a5705dc492b1742b2ed1db1e63cc89382f

  • SSDEEP

    12288:oxWHY/Btg/SJ/ac4cqeiuhveBS4SUgG2bTaNzhOITImKZ/b:ok4/BtRJ/aJcjVQQ4hglyNNOITa/b

Score
7/10
bootkitpersistenceupx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • 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
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5345f726a7e273e3c8ad979f59bba7466dda82c01aaea43a6ea88c48dce26c7.exe
    "C:\Users\Admin\AppData\Local\Temp\a5345f726a7e273e3c8ad979f59bba7466dda82c01aaea43a6ea88c48dce26c7.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1652
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:2504
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1988

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • \Users\Admin\AppData\Local\Temp\ExtraDll.dll
              Filesize

              97KB

              MD5

              c35425ad1f0c32225d307310deccc335

              SHA1

              b2e347b244e40ffa113dffaffd1895777e3ac30a

              SHA256

              48773d597155dc39dd172c26867972da89dd61fcee0d138433eda26a2d8633b7

              SHA512

              47b6a7447fcc4f9f21018f608fcbdb5650f16cbd869cae5d4ed5d9b88ca1e944de1cac10e9a252aa7b210f1a31456c0ed91728b8a7e24def99d7e3f9683e2bae

              Download Submit

            • memory/1652-4-0x0000000074BE0000-0x0000000074C1C000-memory.dmp

              Filesize

              240KB

              Download

            • memory/1652-5-0x0000000074BE0000-0x0000000074C1C000-memory.dmp

              Filesize

              240KB

              Download

            • memory/1988-7-0x00000000026E0000-0x00000000026E1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/2504-6-0x00000000029C0000-0x00000000029C1000-memory.dmp

              Filesize

              4KB

              Download