Analysis

  • max time kernel
    61s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19-03-2021 15:16

General

  • Target

    965212c139d8c474ed69ff3c33b88be4.exe

  • Size

    521KB

  • MD5

    965212c139d8c474ed69ff3c33b88be4

  • SHA1

    cce8ddf99da03113f80cd0e3e1368186468d904d

  • SHA256

    fc1c966dd0ac73c1e2aae4287b1480ba9d27d01accc069a9a69d2a4fc9f1a6a9

  • SHA512

    f9f37bbbacffcd4eed9ac7d4a66c9d5d0f0b0c85ec93e03712e1d238ace52f718beec08a5fc921b6a2d6d4084d1a4280258c188c514a6e0548ebde81afe9fd12

Malware Config

Signatures

  • RedLine

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

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\965212c139d8c474ed69ff3c33b88be4.exe
    "C:\Users\Admin\AppData\Local\Temp\965212c139d8c474ed69ff3c33b88be4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\VersiumResearc.exe
      C:\Users\Admin\AppData\Local\Temp\VersiumResearc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3220
      • 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:3944
    • C:\Users\Admin\AppData\Local\Temp\VersiumResearch.exe
      C:\Users\Admin\AppData\Local\Temp\VersiumResearch.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1496
    • C:\Users\Admin\AppData\Local\Temp\VersiumRes.exe
      C:\Users\Admin\AppData\Local\Temp\VersiumRes.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3588
      • 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
        • Suspicious use of WriteProcessMemory
        PID:3052
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /C reg add HKEY_CURRENT_USER\Software\DataFinder\keycheck /v Status /t REG_DWORD /d 1 && reg add HKEY_CURRENT_USER\Software\DataFinder\VersiumResearch /v Status /t REG_DWORD /d 1
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2564
          • C:\Windows\SysWOW64\reg.exe
            reg add HKEY_CURRENT_USER\Software\DataFinder\keycheck /v Status /t REG_DWORD /d 1
            5⤵
              PID:2868

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AddInProcess32.exe.log

      MD5

      3375f93b9adc89753e8d23050bce6ca0

      SHA1

      9532d3600af4bd299e649e8dfd16896ba63fd27e

      SHA256

      dcea8294dccb23d9690c3f14ebe53b4ed0ee4da80171f238e9cf8160ac708295

      SHA512

      b4c65c9bb265992311707149cd2e285ae87eaabf179e046d2e38dd22901b84c1aa1ea94966d6f4eed31230f2869ccde47587ec65e92ca58d3a8b1f8358786a8d

    • C:\Users\Admin\AppData\Local\Temp\VersiumRes.exe

      MD5

      7959ab8670c919f85a98c231079739c8

      SHA1

      251792b13b125bdec88fe59244864da038fb4a27

      SHA256

      1d4a8313f0e48235cd8df99469b602d049ed558d82fc1e283476600e4149a145

      SHA512

      ab123560fdf39be963882f75cc1434ada2d14486cc9e0e4be11dcf79b046e1a19ff26ff28fd4a3a46c11b7526d29eaded77a4cd7d7e713fea268f62dfcff0841

    • C:\Users\Admin\AppData\Local\Temp\VersiumRes.exe

      MD5

      7959ab8670c919f85a98c231079739c8

      SHA1

      251792b13b125bdec88fe59244864da038fb4a27

      SHA256

      1d4a8313f0e48235cd8df99469b602d049ed558d82fc1e283476600e4149a145

      SHA512

      ab123560fdf39be963882f75cc1434ada2d14486cc9e0e4be11dcf79b046e1a19ff26ff28fd4a3a46c11b7526d29eaded77a4cd7d7e713fea268f62dfcff0841

    • C:\Users\Admin\AppData\Local\Temp\VersiumResearc.exe

      MD5

      bda1efdad61372b0b12a4277e9558484

      SHA1

      dc9be4e90eaacbf08b4b04d71b5fe17cd752e6a6

      SHA256

      3a959095c9ef35d13c356c3236798cd6f4cdfab08bfddc618aa63875784ff3fc

      SHA512

      7b9e715627c6300075eeee8ec861e32ba96b855ce5857d7adb7518061cea5a48237b2cf886b5cfef88f40934f90656d8a64b7286dcb303ab44a4846c010edec1

    • C:\Users\Admin\AppData\Local\Temp\VersiumResearc.exe

      MD5

      bda1efdad61372b0b12a4277e9558484

      SHA1

      dc9be4e90eaacbf08b4b04d71b5fe17cd752e6a6

      SHA256

      3a959095c9ef35d13c356c3236798cd6f4cdfab08bfddc618aa63875784ff3fc

      SHA512

      7b9e715627c6300075eeee8ec861e32ba96b855ce5857d7adb7518061cea5a48237b2cf886b5cfef88f40934f90656d8a64b7286dcb303ab44a4846c010edec1

    • C:\Users\Admin\AppData\Local\Temp\VersiumResearch.exe

      MD5

      aedd7327b99ed5177d43ed7758f1ebff

      SHA1

      46137683ee73646c9aa05ed27b661ad2ecbe9c20

      SHA256

      0d6704a682e281399df401b4aac628f0ff16826b31e2c61df32919e77c55edf8

      SHA512

      68b35c614d38064fed6dbaf34a06063445fd4433b15776431ffefaaafda4ea29bbcdf427bd3a835287debc8dec447efb4443f19bded463b1230819928360a392

    • C:\Users\Admin\AppData\Local\Temp\VersiumResearch.exe

      MD5

      aedd7327b99ed5177d43ed7758f1ebff

      SHA1

      46137683ee73646c9aa05ed27b661ad2ecbe9c20

      SHA256

      0d6704a682e281399df401b4aac628f0ff16826b31e2c61df32919e77c55edf8

      SHA512

      68b35c614d38064fed6dbaf34a06063445fd4433b15776431ffefaaafda4ea29bbcdf427bd3a835287debc8dec447efb4443f19bded463b1230819928360a392

    • memory/1496-49-0x00000000077D0000-0x00000000077D1000-memory.dmp

      Filesize

      4KB

    • memory/1496-53-0x0000000001921000-0x0000000001922000-memory.dmp

      Filesize

      4KB

    • memory/1496-37-0x0000000006330000-0x0000000006331000-memory.dmp

      Filesize

      4KB

    • memory/1496-13-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/1496-14-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

      Filesize

      4KB

    • memory/1496-16-0x0000000005630000-0x0000000005631000-memory.dmp

      Filesize

      4KB

    • memory/1496-38-0x0000000005DC0000-0x0000000005DC1000-memory.dmp

      Filesize

      4KB

    • memory/1496-19-0x0000000001920000-0x0000000001921000-memory.dmp

      Filesize

      4KB

    • memory/1496-59-0x0000000008F20000-0x0000000008F21000-memory.dmp

      Filesize

      4KB

    • memory/1496-10-0x0000000000000000-mapping.dmp

    • memory/1496-52-0x0000000007340000-0x0000000007341000-memory.dmp

      Filesize

      4KB

    • memory/1496-48-0x00000000070D0000-0x00000000070D1000-memory.dmp

      Filesize

      4KB

    • memory/1496-41-0x00000000061C0000-0x00000000061C1000-memory.dmp

      Filesize

      4KB

    • memory/1496-40-0x0000000005E60000-0x0000000005E61000-memory.dmp

      Filesize

      4KB

    • memory/1496-39-0x0000000005E20000-0x0000000005E21000-memory.dmp

      Filesize

      4KB

    • memory/2564-61-0x0000000000000000-mapping.dmp

    • memory/2868-62-0x0000000000000000-mapping.dmp

    • memory/3052-35-0x00000000056B0000-0x00000000056B1000-memory.dmp

      Filesize

      4KB

    • memory/3052-30-0x000000000041E89E-mapping.dmp

    • memory/3052-29-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3052-31-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/3220-18-0x0000000007030000-0x0000000007031000-memory.dmp

      Filesize

      4KB

    • memory/3220-5-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/3220-63-0x0000000004330000-0x0000000004343000-memory.dmp

      Filesize

      76KB

    • memory/3220-9-0x0000000006E20000-0x0000000006E21000-memory.dmp

      Filesize

      4KB

    • memory/3220-17-0x0000000007730000-0x0000000007731000-memory.dmp

      Filesize

      4KB

    • memory/3220-6-0x00000000000A0000-0x00000000000A1000-memory.dmp

      Filesize

      4KB

    • memory/3220-2-0x0000000000000000-mapping.dmp

    • memory/3220-8-0x0000000007220000-0x0000000007221000-memory.dmp

      Filesize

      4KB

    • memory/3588-20-0x0000000000000000-mapping.dmp

    • memory/3588-23-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/3588-24-0x0000000000730000-0x0000000000731000-memory.dmp

      Filesize

      4KB

    • memory/3588-27-0x0000000004F00000-0x0000000004F01000-memory.dmp

      Filesize

      4KB

    • memory/3588-28-0x0000000002A30000-0x0000000002A31000-memory.dmp

      Filesize

      4KB

    • memory/3944-65-0x000000000041E89E-mapping.dmp

    • memory/3944-67-0x0000000073D20000-0x000000007440E000-memory.dmp

      Filesize

      6.9MB

    • memory/3944-71-0x0000000004F90000-0x0000000004F91000-memory.dmp

      Filesize

      4KB

    • memory/3944-76-0x00000000055E0000-0x00000000055E1000-memory.dmp

      Filesize

      4KB