Analysis

  • max time kernel
    151s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-05-2023 19:18

General

  • Target

    f3878e3193c9cf4f56105966f1bba82ab5ffa81cb0117b3b9102e4ae405c037b.exe

  • Size

    693KB

  • MD5

    4b9e25f182a3ec7a379c101134ce7320

  • SHA1

    5eb756750abe820c9565b489e8ac90b20c06f233

  • SHA256

    f3878e3193c9cf4f56105966f1bba82ab5ffa81cb0117b3b9102e4ae405c037b

  • SHA512

    24090aed61e9b7c319b400366c4876ddaa25587eed14ab04a66603cc16b6b5d637f638f22b1c77d3648690118c773afae40b94e0c94ef6c7be62facab506f240

  • SSDEEP

    12288:Yy90D9PUZ3I0XPZAhrOyQJwSkcEJ2tvtwreXYUKCoWz6FW18bzK9A+LAFnC:YyQY7BAhCxccNtvtyeoU/J6FW18bzSxz

Malware Config

Signatures

  • Detects Redline Stealer samples 1 IoCs

    This rule detects the presence of Redline Stealer samples based on their unique strings.

  • 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.

  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3878e3193c9cf4f56105966f1bba82ab5ffa81cb0117b3b9102e4ae405c037b.exe
    "C:\Users\Admin\AppData\Local\Temp\f3878e3193c9cf4f56105966f1bba82ab5ffa81cb0117b3b9102e4ae405c037b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1372
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un767156.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un767156.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\65745420.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\65745420.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 1096
          4⤵
          • Program crash
          PID:2060
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk469979.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk469979.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2772
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3660 -ip 3660
    1⤵
      PID:2704

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un767156.exe

      Filesize

      540KB

      MD5

      e7013ba8775cc855b3e16226989c0e96

      SHA1

      e0a77ced0e2d33194346bb83f1755c1c3d7a8e7f

      SHA256

      7356ea11a956704246ec5cb9f852e9bed8123f1e68ba6d80e6c064b4183aebec

      SHA512

      be664dd23061e7cdafb3b169cfda5250b1f180dfbfc82e7c409ec542494379c5430156e011c5fc65866d5ca8649d4b663d36608c06f0f5f350417f1b60991e55

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un767156.exe

      Filesize

      540KB

      MD5

      e7013ba8775cc855b3e16226989c0e96

      SHA1

      e0a77ced0e2d33194346bb83f1755c1c3d7a8e7f

      SHA256

      7356ea11a956704246ec5cb9f852e9bed8123f1e68ba6d80e6c064b4183aebec

      SHA512

      be664dd23061e7cdafb3b169cfda5250b1f180dfbfc82e7c409ec542494379c5430156e011c5fc65866d5ca8649d4b663d36608c06f0f5f350417f1b60991e55

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\65745420.exe

      Filesize

      258KB

      MD5

      63fad0828043cd7e27373613053c89be

      SHA1

      4c5bb83fde449f75dff5dc3996f67c96f0eeb655

      SHA256

      9d8d3b9a06e0e3970220b454d58a30c75cba2913f2f7385d766b19d985235922

      SHA512

      2984c26096ada19b72dffc66aebdefed1723f09f1c806914e6930c10ecae01f565339b29b888899d4e1e5de0a9791e767ac959029daaf10ca77c2ef3d848df5b

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\65745420.exe

      Filesize

      258KB

      MD5

      63fad0828043cd7e27373613053c89be

      SHA1

      4c5bb83fde449f75dff5dc3996f67c96f0eeb655

      SHA256

      9d8d3b9a06e0e3970220b454d58a30c75cba2913f2f7385d766b19d985235922

      SHA512

      2984c26096ada19b72dffc66aebdefed1723f09f1c806914e6930c10ecae01f565339b29b888899d4e1e5de0a9791e767ac959029daaf10ca77c2ef3d848df5b

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk469979.exe

      Filesize

      340KB

      MD5

      7d89039aa8848f728d64988feb89abc9

      SHA1

      6344a11b85b889f69b9cceadedb8921909654fc6

      SHA256

      b620eb337f466925899eec924e2381f77381cf95c1f4727b8a16126f17e6dc97

      SHA512

      c1c9983802b93ff4b8323cff71719cfeff00f8728c36223bf81b1364ae0d6ffb11397bf97c2e875bfd2cab550cf1fa64959b653c12665b94dbdf640f067752eb

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk469979.exe

      Filesize

      340KB

      MD5

      7d89039aa8848f728d64988feb89abc9

      SHA1

      6344a11b85b889f69b9cceadedb8921909654fc6

      SHA256

      b620eb337f466925899eec924e2381f77381cf95c1f4727b8a16126f17e6dc97

      SHA512

      c1c9983802b93ff4b8323cff71719cfeff00f8728c36223bf81b1364ae0d6ffb11397bf97c2e875bfd2cab550cf1fa64959b653c12665b94dbdf640f067752eb

    • memory/2772-218-0x0000000002BF0000-0x0000000002C36000-memory.dmp

      Filesize

      280KB

    • memory/2772-222-0x0000000004C90000-0x0000000004CA0000-memory.dmp

      Filesize

      64KB

    • memory/2772-194-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-996-0x0000000004C90000-0x0000000004CA0000-memory.dmp

      Filesize

      64KB

    • memory/2772-994-0x0000000004C90000-0x0000000004CA0000-memory.dmp

      Filesize

      64KB

    • memory/2772-995-0x0000000004C90000-0x0000000004CA0000-memory.dmp

      Filesize

      64KB

    • memory/2772-993-0x0000000004C90000-0x0000000004CA0000-memory.dmp

      Filesize

      64KB

    • memory/2772-196-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-990-0x000000000A440000-0x000000000A47C000-memory.dmp

      Filesize

      240KB

    • memory/2772-989-0x000000000A320000-0x000000000A42A000-memory.dmp

      Filesize

      1.0MB

    • memory/2772-988-0x000000000A300000-0x000000000A312000-memory.dmp

      Filesize

      72KB

    • memory/2772-987-0x0000000009C40000-0x000000000A258000-memory.dmp

      Filesize

      6.1MB

    • memory/2772-198-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-223-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-224-0x0000000004C90000-0x0000000004CA0000-memory.dmp

      Filesize

      64KB

    • memory/2772-220-0x0000000004C90000-0x0000000004CA0000-memory.dmp

      Filesize

      64KB

    • memory/2772-219-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-216-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-212-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-214-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-210-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-208-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-206-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-204-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-192-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-191-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-202-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-991-0x0000000004C90000-0x0000000004CA0000-memory.dmp

      Filesize

      64KB

    • memory/2772-226-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/2772-200-0x0000000007720000-0x0000000007755000-memory.dmp

      Filesize

      212KB

    • memory/3660-185-0x0000000000400000-0x0000000002B9B000-memory.dmp

      Filesize

      39.6MB

    • memory/3660-156-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-150-0x0000000007300000-0x0000000007310000-memory.dmp

      Filesize

      64KB

    • memory/3660-176-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-183-0x0000000007300000-0x0000000007310000-memory.dmp

      Filesize

      64KB

    • memory/3660-182-0x0000000007300000-0x0000000007310000-memory.dmp

      Filesize

      64KB

    • memory/3660-172-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-180-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-178-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-148-0x0000000002BE0000-0x0000000002C0D000-memory.dmp

      Filesize

      180KB

    • memory/3660-153-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-151-0x0000000007300000-0x0000000007310000-memory.dmp

      Filesize

      64KB

    • memory/3660-174-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-181-0x0000000000400000-0x0000000002B9B000-memory.dmp

      Filesize

      39.6MB

    • memory/3660-152-0x0000000007310000-0x00000000078B4000-memory.dmp

      Filesize

      5.6MB

    • memory/3660-168-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-166-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-164-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-162-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-160-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-158-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-149-0x0000000007300000-0x0000000007310000-memory.dmp

      Filesize

      64KB

    • memory/3660-154-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB

    • memory/3660-170-0x0000000007240000-0x0000000007253000-memory.dmp

      Filesize

      76KB