Analysis

  • max time kernel
    90s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:37

General

  • Target

    353d31173f7dffd41d7a85efb6cab758198f7a1f2c5a75650e5cb98d040b2cf1.exe

  • Size

    2.2MB

  • MD5

    fa89967e93181d90392f3c4531a03722

  • SHA1

    977681e1fe347a91994aed30734d5dddf7f30724

  • SHA256

    353d31173f7dffd41d7a85efb6cab758198f7a1f2c5a75650e5cb98d040b2cf1

  • SHA512

    553371af6f9af613d10ca29273d7db903ceea616ef0de3dc5d3d176c3c6ac3529fbb36717b868f0ff0b6a724641187350f1754622906b628a6538c996c9a7175

  • SSDEEP

    24576:8aYbNpDnMNye1h0C3KGM4WryYsn50Qx93Otko9C5fpDDy5PMtVIE0ygYy08twaJh:89PMoOzirS0QxAv7h90WRpuhuGw

Malware Config

Signatures

  • Blocks application from running via registry modification 3 IoCs

    Adds application to list of disallowed applications.

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\353d31173f7dffd41d7a85efb6cab758198f7a1f2c5a75650e5cb98d040b2cf1.exe
    "C:\Users\Admin\AppData\Local\Temp\353d31173f7dffd41d7a85efb6cab758198f7a1f2c5a75650e5cb98d040b2cf1.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\epicbot_520_pro.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\epicbot_520_pro.exe" ONCE
      2⤵
      • Blocks application from running via registry modification
      • Disables RegEdit via registry modification
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4684
      • C:\Users\Admin\AppData\Local\Temp\epicbot_520(3).exe
        "C:\Users\Admin\AppData\Local\Temp\epicbot_520(3).exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4360
        • C:\Users\Admin\AppData\Local\Temp\epicbot_520(3).exe
          "C:\Users\Admin\AppData\Local\Temp\epicbot_520(3).exe" /wrapper /dir="C:\Users\Admin\AppData\Local\Temp\pkg_f2f1cba0" /pproc="epicbot_520_pro.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\epicbot_520(3).exe

    Filesize

    1.6MB

    MD5

    5115c023fad2ced46ece3dc43e5f4ae8

    SHA1

    8b1dec136879a33be6f7b7805f8ca2423c249fa9

    SHA256

    dccf21556725e24d7014a4a7289f41a442e380690c298220639689ea7a9e29a8

    SHA512

    04dea88e1042018b82316f58b466720fd5f1c427548b7c1b593af88bafdeaba6224d29f5a2ca84fb0c031b6f8231ce06d1b100fee713ea811e1ed8997a5d99c4

  • C:\Users\Admin\AppData\Local\Temp\epicbot_520(3).exe

    Filesize

    1.6MB

    MD5

    5115c023fad2ced46ece3dc43e5f4ae8

    SHA1

    8b1dec136879a33be6f7b7805f8ca2423c249fa9

    SHA256

    dccf21556725e24d7014a4a7289f41a442e380690c298220639689ea7a9e29a8

    SHA512

    04dea88e1042018b82316f58b466720fd5f1c427548b7c1b593af88bafdeaba6224d29f5a2ca84fb0c031b6f8231ce06d1b100fee713ea811e1ed8997a5d99c4

  • C:\Users\Admin\AppData\Local\Temp\epicbot_520(3).exe

    Filesize

    1.6MB

    MD5

    5115c023fad2ced46ece3dc43e5f4ae8

    SHA1

    8b1dec136879a33be6f7b7805f8ca2423c249fa9

    SHA256

    dccf21556725e24d7014a4a7289f41a442e380690c298220639689ea7a9e29a8

    SHA512

    04dea88e1042018b82316f58b466720fd5f1c427548b7c1b593af88bafdeaba6224d29f5a2ca84fb0c031b6f8231ce06d1b100fee713ea811e1ed8997a5d99c4

  • C:\Users\Admin\AppData\Local\Temp\pkg_f2f1cba0\autorun.txt

    Filesize

    114B

    MD5

    c819368178ce1e40fd55c813340a597a

    SHA1

    81aef3fd883c52de4fe211f3e43f70137cbccdf6

    SHA256

    1334449583ff7823df9ba97e57bed51eaaba21eed4551e25b07794f1d48c3e31

    SHA512

    753ce58ed7b76de63f8d68bf95949dfd772e805d0ab514f2706d72b2d504fb53e9beadaed0d34d933fee4f98d3ea13172c8b3a0e391bcab639c3d70003ec71a7

  • C:\Users\Admin\AppData\Local\Temp\pkg_f2f1cba0\wrapper.xml

    Filesize

    798B

    MD5

    1d45a29e3511b982a1f91b33c70e964f

    SHA1

    176a47b489be3f27dc354a2b9dd0b580bb2f3904

    SHA256

    0a69c29fe16727b18425df8ded1cfe9d07a380b9f23f1beb32f60fefc000b3dc

    SHA512

    c574719f56a9cc0a3c393001f0774a5826afa5972906d9d9d214a183724a9f7226483a7181a0030e0f801b481a19957761efc170a10850aec786623eb939eb69

  • memory/1168-140-0x0000000000000000-mapping.dmp

  • memory/4324-134-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4324-132-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4360-137-0x0000000000000000-mapping.dmp

  • memory/4684-135-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4684-136-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4684-133-0x0000000000000000-mapping.dmp

  • memory/4684-144-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB