Analysis

  • max time kernel
    31s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-03-2021 16:45

General

  • Target

    qZ0RXW.exe

  • Size

    912KB

  • MD5

    8c03063314b0aa3d6a7d26c1f6db60b4

  • SHA1

    6955952347314e7e19895778af232b14a15c736d

  • SHA256

    8378458c45be220207b12b7dbeeee4fcd9a4c4f51973d828834b418ded6e781f

  • SHA512

    d55407a63928afa38612e58fef7253452cc799f8659c4a78e93ba94b2d07feb7a2e47e1294b79879b440fe5bc8ad0d8c7563a6d4e1a0e2d31aa9424c009f9839

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\qZ0RXW.exe
    "C:\Users\Admin\AppData\Local\Temp\qZ0RXW.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\2078474329.exe
      C:\Users\Admin\AppData\Local\Temp\2078474329.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        3⤵
          PID:1068
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:932
      • C:\Users\Admin\AppData\Local\Temp\421184708.exe
        C:\Users\Admin\AppData\Local\Temp\421184708.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1476
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1992
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /k ping 0 & del C:\Users\Admin\AppData\Local\Temp\qZ0RXW.exe & exit
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:1688
        • C:\Windows\SysWOW64\PING.EXE
          ping 0
          3⤵
          • Runs ping.exe
          PID:848

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\2078474329.exe
      MD5

      8f42d6ac2ff0bd507f77fc6f2077ecae

      SHA1

      3f6eb11f4dc112aed5aac9fe3feb78f77e068c93

      SHA256

      cb1c124f7c5ee7ff7e260a15a4c8dcbce9dc4d3c3f4a1bbc54fda408970d045f

      SHA512

      2de3ab74384d24ccc5ae083dda82956d722f87e5d0b06ee183a42b92c8a881758940b773e2aa19ecb0a0b22c0b5522e60700604011f12cb2e72c06722864daa7

    • C:\Users\Admin\AppData\Local\Temp\2078474329.exe
      MD5

      8f42d6ac2ff0bd507f77fc6f2077ecae

      SHA1

      3f6eb11f4dc112aed5aac9fe3feb78f77e068c93

      SHA256

      cb1c124f7c5ee7ff7e260a15a4c8dcbce9dc4d3c3f4a1bbc54fda408970d045f

      SHA512

      2de3ab74384d24ccc5ae083dda82956d722f87e5d0b06ee183a42b92c8a881758940b773e2aa19ecb0a0b22c0b5522e60700604011f12cb2e72c06722864daa7

    • C:\Users\Admin\AppData\Local\Temp\421184708.exe
      MD5

      8a71134b5eec8d2bbf849a291b63246d

      SHA1

      bef03f05daad824da570594d183e233193d07bca

      SHA256

      36872a3b93b4173cbd71fe1955ae787a62e3e8dfc46a035cf406c06b8bcc66cf

      SHA512

      408cc8d88afd45e7e0bd52f46560f5ef721dafe703007c140b0fa696615a480e1155726e479ca829023f2d076b7d1401fd99008bbf11c13d3922d1c633218831

    • C:\Users\Admin\AppData\Local\Temp\421184708.exe
      MD5

      8a71134b5eec8d2bbf849a291b63246d

      SHA1

      bef03f05daad824da570594d183e233193d07bca

      SHA256

      36872a3b93b4173cbd71fe1955ae787a62e3e8dfc46a035cf406c06b8bcc66cf

      SHA512

      408cc8d88afd45e7e0bd52f46560f5ef721dafe703007c140b0fa696615a480e1155726e479ca829023f2d076b7d1401fd99008bbf11c13d3922d1c633218831

    • \Users\Admin\AppData\Local\Temp\2078474329.exe
      MD5

      8f42d6ac2ff0bd507f77fc6f2077ecae

      SHA1

      3f6eb11f4dc112aed5aac9fe3feb78f77e068c93

      SHA256

      cb1c124f7c5ee7ff7e260a15a4c8dcbce9dc4d3c3f4a1bbc54fda408970d045f

      SHA512

      2de3ab74384d24ccc5ae083dda82956d722f87e5d0b06ee183a42b92c8a881758940b773e2aa19ecb0a0b22c0b5522e60700604011f12cb2e72c06722864daa7

    • \Users\Admin\AppData\Local\Temp\421184708.exe
      MD5

      8a71134b5eec8d2bbf849a291b63246d

      SHA1

      bef03f05daad824da570594d183e233193d07bca

      SHA256

      36872a3b93b4173cbd71fe1955ae787a62e3e8dfc46a035cf406c06b8bcc66cf

      SHA512

      408cc8d88afd45e7e0bd52f46560f5ef721dafe703007c140b0fa696615a480e1155726e479ca829023f2d076b7d1401fd99008bbf11c13d3922d1c633218831

    • \Users\Admin\AppData\Local\Temp\421184708.exe
      MD5

      8a71134b5eec8d2bbf849a291b63246d

      SHA1

      bef03f05daad824da570594d183e233193d07bca

      SHA256

      36872a3b93b4173cbd71fe1955ae787a62e3e8dfc46a035cf406c06b8bcc66cf

      SHA512

      408cc8d88afd45e7e0bd52f46560f5ef721dafe703007c140b0fa696615a480e1155726e479ca829023f2d076b7d1401fd99008bbf11c13d3922d1c633218831

    • memory/848-33-0x0000000000000000-mapping.dmp
    • memory/932-34-0x0000000004C10000-0x0000000004C11000-memory.dmp
      Filesize

      4KB

    • memory/932-12-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/932-13-0x000000000041F39E-mapping.dmp
    • memory/932-14-0x0000000073C30000-0x000000007431E000-memory.dmp
      Filesize

      6.9MB

    • memory/932-15-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1028-9-0x00000000001D0000-0x00000000001D1000-memory.dmp
      Filesize

      4KB

    • memory/1028-11-0x0000000004570000-0x0000000004571000-memory.dmp
      Filesize

      4KB

    • memory/1028-5-0x0000000000000000-mapping.dmp
    • memory/1028-8-0x0000000073C30000-0x000000007431E000-memory.dmp
      Filesize

      6.9MB

    • memory/1108-2-0x00000000760D1000-0x00000000760D3000-memory.dmp
      Filesize

      8KB

    • memory/1476-26-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
      Filesize

      4KB

    • memory/1476-23-0x0000000000C50000-0x0000000000C51000-memory.dmp
      Filesize

      4KB

    • memory/1476-22-0x0000000073C30000-0x000000007431E000-memory.dmp
      Filesize

      6.9MB

    • memory/1476-19-0x0000000000000000-mapping.dmp
    • memory/1688-32-0x0000000000000000-mapping.dmp
    • memory/1992-27-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1992-28-0x000000000041F38A-mapping.dmp
    • memory/1992-30-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/1992-29-0x0000000073C30000-0x000000007431E000-memory.dmp
      Filesize

      6.9MB

    • memory/1992-35-0x0000000004920000-0x0000000004921000-memory.dmp
      Filesize

      4KB

    • memory/2032-3-0x000007FEF7510000-0x000007FEF778A000-memory.dmp
      Filesize

      2.5MB