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Overview

overview

10

Static

static

8

bf108947e0...2c.exe

windows7-x64

10

bf108947e0...2c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    154s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 03:24

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General

  • Target

    bf108947e0031ceb7cf15ed46bb99ec59d99e8df7bd716f2b57c0c8cd251832c.exe

  • Size

    106KB

  • MD5

    268d08bd97d75e04c7f90dafcd7ceb48

  • SHA1

    1bc1cc97fd7cf6337f6b3d172fb917c2734d9131

  • SHA256

    bf108947e0031ceb7cf15ed46bb99ec59d99e8df7bd716f2b57c0c8cd251832c

  • SHA512

    2db717017fa20a52533e88553b56e5e409473e1164431c052ff0ba6284036b57dccb47c655702da017999926166d981fe702b5520600fa0497909c228a31695a

  • SSDEEP

    3072:PHHONFId+ksG0h8qqXi9FlHCTqoutD1V7jnF8pouy:vnd1sGDqR9JoShV7BOo7

Score
10/10
evasionpersistencespywarestealertrojanupx

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 18 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • UAC bypass 3 TTPs 3 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 4 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
    persistence
  • UPX packed file 11 IoCs

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

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Windows security modification 2 TTPs 15 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
    adwarespyware
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
    stealer
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • System policy modification 1 TTPs 4 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf108947e0031ceb7cf15ed46bb99ec59d99e8df7bd716f2b57c0c8cd251832c.exe
    "C:\Users\Admin\AppData\Local\Temp\bf108947e0031ceb7cf15ed46bb99ec59d99e8df7bd716f2b57c0c8cd251832c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2800
    • C:\Users\Admin\E696D64614\winlogon.exe
      "C:\Users\Admin\E696D64614\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5108
      • C:\Users\Admin\E696D64614\winlogon.exe
        "C:\Users\Admin\E696D64614\winlogon.exe"
        3⤵
        • Modifies firewall policy service
        • Modifies security service
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Sets file execution options in registry
        • Windows security modification
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Modifies Control Panel
        • Modifies Internet Explorer settings
        • Modifies Internet Explorer start page
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • System policy modification
        PID:3808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\E696D64614\winlogon.exe
    Filesize

    106KB

    MD5

    268d08bd97d75e04c7f90dafcd7ceb48

    SHA1

    1bc1cc97fd7cf6337f6b3d172fb917c2734d9131

    SHA256

    bf108947e0031ceb7cf15ed46bb99ec59d99e8df7bd716f2b57c0c8cd251832c

    SHA512

    2db717017fa20a52533e88553b56e5e409473e1164431c052ff0ba6284036b57dccb47c655702da017999926166d981fe702b5520600fa0497909c228a31695a

    Download Submit

  • C:\Users\Admin\E696D64614\winlogon.exe
    Filesize

    106KB

    MD5

    268d08bd97d75e04c7f90dafcd7ceb48

    SHA1

    1bc1cc97fd7cf6337f6b3d172fb917c2734d9131

    SHA256

    bf108947e0031ceb7cf15ed46bb99ec59d99e8df7bd716f2b57c0c8cd251832c

    SHA512

    2db717017fa20a52533e88553b56e5e409473e1164431c052ff0ba6284036b57dccb47c655702da017999926166d981fe702b5520600fa0497909c228a31695a

    Download Submit

  • C:\Users\Admin\E696D64614\winlogon.exe
    Filesize

    106KB

    MD5

    268d08bd97d75e04c7f90dafcd7ceb48

    SHA1

    1bc1cc97fd7cf6337f6b3d172fb917c2734d9131

    SHA256

    bf108947e0031ceb7cf15ed46bb99ec59d99e8df7bd716f2b57c0c8cd251832c

    SHA512

    2db717017fa20a52533e88553b56e5e409473e1164431c052ff0ba6284036b57dccb47c655702da017999926166d981fe702b5520600fa0497909c228a31695a

    Download Submit

  • memory/2800-139-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

    Download

  • memory/2800-134-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

    Download

  • memory/3808-144-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/3808-147-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/3808-148-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/3808-151-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/5108-141-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

    Download

  • memory/5108-142-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

    Download