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Overview

overview

10

Static

static

8

c2ff7f8ca8...f4.exe

windows7-x64

10

c2ff7f8ca8...f4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2022, 14:36

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General

  • Target

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4.exe

  • Size

    191KB

  • MD5

    2150e9d668b9f2ce453de405bfc4615d

  • SHA1

    30b9e251d5587feb2642ba9201b3fa4014c8e829

  • SHA256

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

  • SHA512

    46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

  • SSDEEP

    3072:4rBK8fxYY3QxCdax/77OIrthxFK5joutjyAn:uK85B3QUdq/RZM5joSeA

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 12 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 60 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 4 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4.exe
    "C:\Users\Admin\AppData\Local\Temp\c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1408
    • 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:4460
      • 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:3204
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:456
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4712
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4712 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4528

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      191KB

      MD5

      2150e9d668b9f2ce453de405bfc4615d

      SHA1

      30b9e251d5587feb2642ba9201b3fa4014c8e829

      SHA256

      c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

      SHA512

      46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

      Download Submit

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

      191KB

      MD5

      2150e9d668b9f2ce453de405bfc4615d

      SHA1

      30b9e251d5587feb2642ba9201b3fa4014c8e829

      SHA256

      c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

      SHA512

      46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

      Download Submit

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

      191KB

      MD5

      2150e9d668b9f2ce453de405bfc4615d

      SHA1

      30b9e251d5587feb2642ba9201b3fa4014c8e829

      SHA256

      c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

      SHA512

      46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

      Download Submit

    • memory/1408-132-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

      Download

    • memory/1408-140-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

      Download

    • memory/3204-143-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

      Download

    • memory/3204-146-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

      Download

    • memory/3204-147-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

      Download

    • memory/3204-150-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

      Download

    • memory/3204-152-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

      Download

    • memory/4460-141-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

      Download

    • memory/4460-151-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

      Download