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Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2024, 10:47

General

  • Target

    3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe

  • Size

    470KB

  • MD5

    d0ea9bf585f1a9135fc20394676aa0fc

  • SHA1

    66c82249048585198bed2ea310a7c56e4eb8f26d

  • SHA256

    3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014

  • SHA512

    943e0da4bd18e4bda3f5b285d66d41d22581bccfc6f6f693ff60d80c23f08e1c2377eb9af0ba2cc63cc03b47abb6167c351607cc2de3a7d6ee5eaceb03e65310

  • SSDEEP

    6144:Kdy+bnr+Fp0yN90QEIKmwpiV39OzbzinfVzCQFsmDSStilhhEEHur9mwafuVVXJm:TMrly90i5wpix0uFnC4SSkQ9JVVXgY6

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes
  • auth_value

    e5783636fbd9e4f0cf9a017bce02e67e

Signatures

  • Detects Healer an antivirus disabler dropper 17 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Healer family
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Redline family
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe
    "C:\Users\Admin\AppData\Local\Temp\3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3472
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSd81fu.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSd81fu.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCd87ey.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCd87ey.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 1084
          4⤵
          • Program crash
          PID:3340
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djJ52ci.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djJ52ci.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2136
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3048 -ip 3048
    1⤵
      PID:1816
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start wuauserv
      1⤵
      • Launches sc.exe
      PID:4528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSd81fu.exe

      Filesize

      366KB

      MD5

      b316c6d8c14d06e521cab5ae5a5b2a8d

      SHA1

      37dfffc0c539ea29118980fd9125ebaa8867613a

      SHA256

      1c743d03de50881359e6754dbfc3e7dd94de13d06467ab404ef2c063ee9c92d8

      SHA512

      0b45221807f82e17419fd64cf591276cedda4291fe08082c92987d48d534d333ccb868ff3999bddeac188935777bac5d52e7a61bbeed071aba24b16f2688fc99

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCd87ey.exe

      Filesize

      220KB

      MD5

      de42ca5e48e76be8fc7fd36752b6eb50

      SHA1

      c594fea49882a1f0c4745c38de903c8f3e963acd

      SHA256

      9be125a22fe4bbedcd63b46faf563f107bb54c1f6c894e45b4794c3e184aa0aa

      SHA512

      b4dbe8b6ed6cf26a7225ef2a8af07629fdcc447920dd8bb5362cefdbbafe439ef92e5011c8c26716dba06646d161eca676470e484995173dd39dc42db454ff7b

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djJ52ci.exe

      Filesize

      175KB

      MD5

      a5f5c5d6291c7ae9e1d1b7ed1e551490

      SHA1

      3d06413341893b838549939e15f8f1eec423d71a

      SHA256

      1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

      SHA512

      d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

    • memory/2136-64-0x0000000005630000-0x000000000567C000-memory.dmp

      Filesize

      304KB

    • memory/2136-63-0x00000000054D0000-0x000000000550C000-memory.dmp

      Filesize

      240KB

    • memory/2136-62-0x0000000005470000-0x0000000005482000-memory.dmp

      Filesize

      72KB

    • memory/2136-61-0x0000000005520000-0x000000000562A000-memory.dmp

      Filesize

      1.0MB

    • memory/2136-60-0x00000000059C0000-0x0000000005FD8000-memory.dmp

      Filesize

      6.1MB

    • memory/2136-59-0x0000000000A40000-0x0000000000A72000-memory.dmp

      Filesize

      200KB

    • memory/3048-35-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-31-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-47-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-45-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-39-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-43-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-37-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-41-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-33-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-29-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-27-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-25-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-23-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-49-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-22-0x0000000002880000-0x0000000002892000-memory.dmp

      Filesize

      72KB

    • memory/3048-50-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/3048-51-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3048-54-0x0000000000400000-0x0000000000754000-memory.dmp

      Filesize

      3.3MB

    • memory/3048-55-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3048-21-0x0000000002880000-0x0000000002898000-memory.dmp

      Filesize

      96KB

    • memory/3048-20-0x0000000004F90000-0x0000000005534000-memory.dmp

      Filesize

      5.6MB

    • memory/3048-19-0x00000000025B0000-0x00000000025CA000-memory.dmp

      Filesize

      104KB

    • memory/3048-18-0x0000000000400000-0x0000000000754000-memory.dmp

      Filesize

      3.3MB

    • memory/3048-17-0x0000000000400000-0x0000000000754000-memory.dmp

      Filesize

      3.3MB

    • memory/3048-15-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/3048-16-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB