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Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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, 18:46

General

  • Target

    a2382c294b0e79a219a5987082d85eef9d878a650cc2195035a46202cbcbcf81.exe

  • Size

    691KB

  • MD5

    d0fb48d898d81a8d109e7825feb7b195

  • SHA1

    1b3cffddb8d82d480bf925661110086cb064981c

  • SHA256

    a2382c294b0e79a219a5987082d85eef9d878a650cc2195035a46202cbcbcf81

  • SHA512

    2fa3ea744e860421f1c45170662350955ff6b583e4ff521a60acd27cf2956aa5e88c6ec283b15779b6190e162f38fb5d1990616e292159bbd6662ff17e0cfeea

  • SSDEEP

    12288:Ey90j+HH/HoZeeEaDkfRkOSz3HoEGOniNBmvxsEsXNBK:Eyq+n/Ig+GRzSeNMF6NBK

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\a2382c294b0e79a219a5987082d85eef9d878a650cc2195035a46202cbcbcf81.exe
    "C:\Users\Admin\AppData\Local\Temp\a2382c294b0e79a219a5987082d85eef9d878a650cc2195035a46202cbcbcf81.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4388
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un792698.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un792698.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4336
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\02756733.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\02756733.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 1092
          4⤵
          • Program crash
          PID:5104
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk929973.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk929973.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4760
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1732 -ip 1732
    1⤵
      PID:3136

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un792698.exe

      Filesize

      536KB

      MD5

      83f191cf888d2ff63481cd7aeaed96fe

      SHA1

      d538d3ccf8ea3bbfa8153bbfb5646b28e4ba6823

      SHA256

      b9589edab73cb4b80317b85e8121d0bab7524f052df93912cb383c02a49e61a6

      SHA512

      355a64ea785dce23ca1dbd7b405ec4489d150d91aca5002415ac566577b2af37ec0dc8c6e00a90c1e46fa2811402440b49cebb5ba7e7760dcd9fb8c9365a5bf1

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un792698.exe

      Filesize

      536KB

      MD5

      83f191cf888d2ff63481cd7aeaed96fe

      SHA1

      d538d3ccf8ea3bbfa8153bbfb5646b28e4ba6823

      SHA256

      b9589edab73cb4b80317b85e8121d0bab7524f052df93912cb383c02a49e61a6

      SHA512

      355a64ea785dce23ca1dbd7b405ec4489d150d91aca5002415ac566577b2af37ec0dc8c6e00a90c1e46fa2811402440b49cebb5ba7e7760dcd9fb8c9365a5bf1

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\02756733.exe

      Filesize

      258KB

      MD5

      2f1d4228181655659c2a9002d249ba46

      SHA1

      f5e62845af7cf08033c779baa2dc40c8d5933cda

      SHA256

      aa615a6a4ebe2c31760306e67fd65ddaf3fd849262305edb1ed5a4131798b9a0

      SHA512

      64f4c7b1621ac9210424b2214eec31b97d1fb600ba8040d8b78ca4e29b85b0dbcbd94af48e304ea90d473a4e3437f1ed50a8927f12cbd6a6db6b5b1329f286f8

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\02756733.exe

      Filesize

      258KB

      MD5

      2f1d4228181655659c2a9002d249ba46

      SHA1

      f5e62845af7cf08033c779baa2dc40c8d5933cda

      SHA256

      aa615a6a4ebe2c31760306e67fd65ddaf3fd849262305edb1ed5a4131798b9a0

      SHA512

      64f4c7b1621ac9210424b2214eec31b97d1fb600ba8040d8b78ca4e29b85b0dbcbd94af48e304ea90d473a4e3437f1ed50a8927f12cbd6a6db6b5b1329f286f8

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk929973.exe

      Filesize

      341KB

      MD5

      7231f66a0db7533f2c99e814626f2bf0

      SHA1

      0c6a22dde526e960b6cf359e154875cff5d0b66c

      SHA256

      c9adb9c5b6df7ce7b378766b74cdfe6d6570748753e064357b8d8642b3240fe8

      SHA512

      57f4091033f47f737ce8841a99a599fea29230619f0f7f8e4e0a181653b99e05741c229c3eec2ef9b6eb0a2d01fbc3fd7edc147df2a9ce05732734d2e44a3ee0

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk929973.exe

      Filesize

      341KB

      MD5

      7231f66a0db7533f2c99e814626f2bf0

      SHA1

      0c6a22dde526e960b6cf359e154875cff5d0b66c

      SHA256

      c9adb9c5b6df7ce7b378766b74cdfe6d6570748753e064357b8d8642b3240fe8

      SHA512

      57f4091033f47f737ce8841a99a599fea29230619f0f7f8e4e0a181653b99e05741c229c3eec2ef9b6eb0a2d01fbc3fd7edc147df2a9ce05732734d2e44a3ee0

    • memory/1732-162-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-151-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

      Filesize

      64KB

    • memory/1732-152-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

      Filesize

      64KB

    • memory/1732-153-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-154-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-156-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-158-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-160-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-164-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-150-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

      Filesize

      64KB

    • memory/1732-166-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-168-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-170-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-172-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-174-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-176-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-178-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-180-0x0000000002410000-0x0000000002423000-memory.dmp

      Filesize

      76KB

    • memory/1732-181-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

    • memory/1732-182-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

      Filesize

      64KB

    • memory/1732-183-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

      Filesize

      64KB

    • memory/1732-184-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

      Filesize

      64KB

    • memory/1732-186-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

    • memory/1732-149-0x0000000004AC0000-0x0000000005064000-memory.dmp

      Filesize

      5.6MB

    • memory/1732-148-0x0000000000570000-0x000000000059D000-memory.dmp

      Filesize

      180KB

    • memory/4760-224-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-216-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-192-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-988-0x0000000007BC0000-0x0000000007BD2000-memory.dmp

      Filesize

      72KB

    • memory/4760-197-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

      Filesize

      64KB

    • memory/4760-200-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

      Filesize

      64KB

    • memory/4760-202-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-199-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-198-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

      Filesize

      64KB

    • memory/4760-204-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-206-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-208-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-210-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-212-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-214-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-191-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-218-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-220-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-222-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-226-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-194-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-228-0x0000000004A50000-0x0000000004A85000-memory.dmp

      Filesize

      212KB

    • memory/4760-987-0x0000000007510000-0x0000000007B28000-memory.dmp

      Filesize

      6.1MB

    • memory/4760-195-0x00000000005C0000-0x0000000000606000-memory.dmp

      Filesize

      280KB

    • memory/4760-989-0x0000000007BE0000-0x0000000007CEA000-memory.dmp

      Filesize

      1.0MB

    • memory/4760-990-0x0000000007D00000-0x0000000007D3C000-memory.dmp

      Filesize

      240KB

    • memory/4760-991-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

      Filesize

      64KB

    • memory/4760-993-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

      Filesize

      64KB

    • memory/4760-994-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

      Filesize

      64KB

    • memory/4760-995-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

      Filesize

      64KB

    • memory/4760-996-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

      Filesize

      64KB