Analysis

  • max time kernel
    43s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • 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
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\965212c139d8c474ed69ff3c33b88be4.exe
    "C:\Users\Admin\AppData\Local\Temp\965212c139d8c474ed69ff3c33b88be4.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1656
    • 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:1692
      • 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:1652
    • 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:292
    • C:\Users\Admin\AppData\Local\Temp\VersiumRes.exe
      C:\Users\Admin\AppData\Local\Temp\VersiumRes.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1000
      • 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:1844
        • 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:888
          • C:\Windows\SysWOW64\reg.exe
            reg add HKEY_CURRENT_USER\Software\DataFinder\keycheck /v Status /t REG_DWORD /d 1
            5⤵
              PID:1060

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • 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/292-14-0x0000000074640000-0x0000000074D2E000-memory.dmp

      Filesize

      6.9MB

    • memory/292-31-0x0000000000F10000-0x0000000000F11000-memory.dmp

      Filesize

      4KB

    • memory/292-15-0x00000000011E0000-0x00000000011E1000-memory.dmp

      Filesize

      4KB

    • memory/292-11-0x0000000000000000-mapping.dmp

    • memory/888-39-0x0000000000000000-mapping.dmp

    • memory/1000-20-0x0000000074640000-0x0000000074D2E000-memory.dmp

      Filesize

      6.9MB

    • memory/1000-17-0x0000000000000000-mapping.dmp

    • memory/1000-21-0x0000000000370000-0x0000000000371000-memory.dmp

      Filesize

      4KB

    • memory/1000-23-0x00000000765A1000-0x00000000765A3000-memory.dmp

      Filesize

      8KB

    • memory/1000-25-0x0000000004650000-0x0000000004651000-memory.dmp

      Filesize

      4KB

    • memory/1060-40-0x0000000000000000-mapping.dmp

    • memory/1264-3-0x000007FEF7BD0000-0x000007FEF7E4A000-memory.dmp

      Filesize

      2.5MB

    • memory/1652-41-0x00000000049D0000-0x00000000049D1000-memory.dmp

      Filesize

      4KB

    • memory/1652-36-0x0000000074640000-0x0000000074D2E000-memory.dmp

      Filesize

      6.9MB

    • memory/1652-35-0x000000000041E89E-mapping.dmp

    • memory/1656-4-0x000000014012B000-0x000000014012C000-memory.dmp

      Filesize

      4KB

    • memory/1656-2-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

      Filesize

      8KB

    • memory/1692-33-0x00000000003F0000-0x0000000000403000-memory.dmp

      Filesize

      76KB

    • memory/1692-9-0x0000000000A10000-0x0000000000A11000-memory.dmp

      Filesize

      4KB

    • memory/1692-24-0x00000000021A0000-0x00000000021A1000-memory.dmp

      Filesize

      4KB

    • memory/1692-5-0x0000000000000000-mapping.dmp

    • memory/1692-8-0x0000000074640000-0x0000000074D2E000-memory.dmp

      Filesize

      6.9MB

    • memory/1844-29-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1844-28-0x0000000074640000-0x0000000074D2E000-memory.dmp

      Filesize

      6.9MB

    • memory/1844-32-0x0000000000970000-0x0000000000971000-memory.dmp

      Filesize

      4KB

    • memory/1844-27-0x000000000041E89E-mapping.dmp

    • memory/1844-26-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB