Analysis

  • max time kernel
    196s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-05-2023 19:59

General

  • Target

    dc1fe88b850316faa04de4a0fe7dcfc4be4fff47653c80448484e0c8e118f81b.exe

  • Size

    690KB

  • MD5

    be24f4e10108b443e7a42ea938abac43

  • SHA1

    841ab6d568523bf683d433450ddc96f2b714f98d

  • SHA256

    dc1fe88b850316faa04de4a0fe7dcfc4be4fff47653c80448484e0c8e118f81b

  • SHA512

    7676342a039ab89ae81e334db81619b4ec46d0fa445ced96bbc8c94097e0aba779ecddae757aeed3c6a650fc2639858b1cf246e2e45096612e66ca6bad19ffa1

  • SSDEEP

    12288:ry90Drt9LsJckfRk8kC1VCgGJniN+m5G6Bx1IAJGL:rykKJcGRFCsNy6xvQ

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\dc1fe88b850316faa04de4a0fe7dcfc4be4fff47653c80448484e0c8e118f81b.exe
    "C:\Users\Admin\AppData\Local\Temp\dc1fe88b850316faa04de4a0fe7dcfc4be4fff47653c80448484e0c8e118f81b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3780
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un703295.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un703295.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12294416.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12294416.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 1088
          4⤵
          • Program crash
          PID:3048
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk685701.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk685701.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1696
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2976 -ip 2976
    1⤵
      PID:1176

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un703295.exe

      Filesize

      536KB

      MD5

      bb9a9f4f3f933fd27d9b9019178dadd8

      SHA1

      e38441299c00c47c791af59ae505231bcca16183

      SHA256

      6f8fbf44017c466b209e5ff042e9839670cbd812108919a931d7c520ae558454

      SHA512

      7d8fff8af1c1475b1979dcb632446b192fb856ca272c75622fc8415cfd3a08d46a34b745c4531ab44655617617cad0851030d8d2337307c78b41d28acc9056c6

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un703295.exe

      Filesize

      536KB

      MD5

      bb9a9f4f3f933fd27d9b9019178dadd8

      SHA1

      e38441299c00c47c791af59ae505231bcca16183

      SHA256

      6f8fbf44017c466b209e5ff042e9839670cbd812108919a931d7c520ae558454

      SHA512

      7d8fff8af1c1475b1979dcb632446b192fb856ca272c75622fc8415cfd3a08d46a34b745c4531ab44655617617cad0851030d8d2337307c78b41d28acc9056c6

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12294416.exe

      Filesize

      258KB

      MD5

      666a8e72ecbcba74b1d2c16daf2eb070

      SHA1

      ff58cdbd5342bd4c5b0d2532c271eb4860ff90b3

      SHA256

      a0b49bf484c00026edbdb883d9e44a8fc6653c8c0a1df37cb368c6b72f71b60b

      SHA512

      bfb6966dc7a10f40d9a018dccc5c34b81cac4a73783b1dd581399c154fa235f2bee395c3665b30e245d96179298b24ea0364d5d4771c1a35de3957f20cda197e

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\12294416.exe

      Filesize

      258KB

      MD5

      666a8e72ecbcba74b1d2c16daf2eb070

      SHA1

      ff58cdbd5342bd4c5b0d2532c271eb4860ff90b3

      SHA256

      a0b49bf484c00026edbdb883d9e44a8fc6653c8c0a1df37cb368c6b72f71b60b

      SHA512

      bfb6966dc7a10f40d9a018dccc5c34b81cac4a73783b1dd581399c154fa235f2bee395c3665b30e245d96179298b24ea0364d5d4771c1a35de3957f20cda197e

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk685701.exe

      Filesize

      341KB

      MD5

      a195519ebbd4dfc1e6e51e65a322ee57

      SHA1

      6156a150abc37da2ba093e02519d6cc754e40a38

      SHA256

      8bdb9d5b28e5a8b1c6c276e96da39bf66bf7a237a363c265e01fbda4169e7f95

      SHA512

      2b9b260e17365c2a626b8ede3df20eba4cd3cee3575922dc777288f6e8f2d840b38bffabc92cc06d8912c3f2607604430ce2ecb96f95e01d96971d0391c0b253

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk685701.exe

      Filesize

      341KB

      MD5

      a195519ebbd4dfc1e6e51e65a322ee57

      SHA1

      6156a150abc37da2ba093e02519d6cc754e40a38

      SHA256

      8bdb9d5b28e5a8b1c6c276e96da39bf66bf7a237a363c265e01fbda4169e7f95

      SHA512

      2b9b260e17365c2a626b8ede3df20eba4cd3cee3575922dc777288f6e8f2d840b38bffabc92cc06d8912c3f2607604430ce2ecb96f95e01d96971d0391c0b253

    • memory/1696-222-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-416-0x00000000006F0000-0x0000000000736000-memory.dmp

      Filesize

      280KB

    • memory/1696-196-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-1002-0x0000000004A00000-0x0000000004A10000-memory.dmp

      Filesize

      64KB

    • memory/1696-1000-0x0000000007D00000-0x0000000007D3C000-memory.dmp

      Filesize

      240KB

    • memory/1696-999-0x0000000004A00000-0x0000000004A10000-memory.dmp

      Filesize

      64KB

    • memory/1696-997-0x0000000007BE0000-0x0000000007CEA000-memory.dmp

      Filesize

      1.0MB

    • memory/1696-198-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-995-0x0000000004A00000-0x0000000004A10000-memory.dmp

      Filesize

      64KB

    • memory/1696-994-0x0000000004A00000-0x0000000004A10000-memory.dmp

      Filesize

      64KB

    • memory/1696-992-0x0000000007BC0000-0x0000000007BD2000-memory.dmp

      Filesize

      72KB

    • memory/1696-991-0x0000000007500000-0x0000000007B18000-memory.dmp

      Filesize

      6.1MB

    • memory/1696-200-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-420-0x0000000004A00000-0x0000000004A10000-memory.dmp

      Filesize

      64KB

    • memory/1696-418-0x0000000004A00000-0x0000000004A10000-memory.dmp

      Filesize

      64KB

    • memory/1696-224-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-220-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-218-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-216-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-214-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-212-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-210-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-208-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-206-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-204-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-195-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-202-0x0000000005000000-0x0000000005035000-memory.dmp

      Filesize

      212KB

    • memory/1696-996-0x0000000004A00000-0x0000000004A10000-memory.dmp

      Filesize

      64KB

    • memory/1696-422-0x0000000004A00000-0x0000000004A10000-memory.dmp

      Filesize

      64KB

    • memory/2976-149-0x0000000004B80000-0x0000000005124000-memory.dmp

      Filesize

      5.6MB

    • memory/2976-184-0x0000000004B70000-0x0000000004B80000-memory.dmp

      Filesize

      64KB

    • memory/2976-153-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-187-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

    • memory/2976-150-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-183-0x0000000004B70000-0x0000000004B80000-memory.dmp

      Filesize

      64KB

    • memory/2976-182-0x0000000004B70000-0x0000000004B80000-memory.dmp

      Filesize

      64KB

    • memory/2976-175-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-180-0x0000000004B70000-0x0000000004B80000-memory.dmp

      Filesize

      64KB

    • memory/2976-179-0x0000000004B70000-0x0000000004B80000-memory.dmp

      Filesize

      64KB

    • memory/2976-148-0x0000000000980000-0x00000000009AD000-memory.dmp

      Filesize

      180KB

    • memory/2976-155-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-177-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-151-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-181-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

    • memory/2976-173-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-171-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-169-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-167-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-165-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-163-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-161-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-159-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-157-0x0000000002670000-0x0000000002683000-memory.dmp

      Filesize

      76KB

    • memory/2976-178-0x0000000004B70000-0x0000000004B80000-memory.dmp

      Filesize

      64KB