Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2023 13:54

General

  • Target

    bb256ee62b85dc522d2c8694681f789bfb3bbd19160cf544b950b581787ce570.exe

  • Size

    737KB

  • MD5

    8cbd362081a1042c0469f35ab503929c

  • SHA1

    28ddb29e27f7b59d45a6dc38a4ded65d3c6ac841

  • SHA256

    bb256ee62b85dc522d2c8694681f789bfb3bbd19160cf544b950b581787ce570

  • SHA512

    b5e52a436138a01fb8222d7122c52936ab4d1b01e14f95e08eb1dc816d4c422649d17cb43d2fd7143af5b86ba01036db7d13eac6e156b4d9e92dc64655c973c1

  • SSDEEP

    12288:HMr+y90uCiCEnr+3C0zPlUHlbxW4fnHuArtGxdWi0Bb4lBXt87ELPf:Jy4ib8qHlbxW42aIbW1BMlBdlf

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19048

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs
  • RedLine

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

  • Executes dropped EXE 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb256ee62b85dc522d2c8694681f789bfb3bbd19160cf544b950b581787ce570.exe
    "C:\Users\Admin\AppData\Local\Temp\bb256ee62b85dc522d2c8694681f789bfb3bbd19160cf544b950b581787ce570.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1929268.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1929268.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1868
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4755630.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4755630.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3360
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6659796.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6659796.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4268
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8546891.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8546891.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3704
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4448971.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4448971.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3468
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
              • Modifies Windows Defender Real-time Protection settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3008
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 152
              6⤵
              • Program crash
              PID:728
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c5077409.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c5077409.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4288
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3468 -ip 3468
    1⤵
      PID:2216

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1929268.exe
      Filesize

      531KB

      MD5

      6c837aaca276f685b92859982affa8eb

      SHA1

      b7e396c9dd6a037758f2a435a26e94235e90501c

      SHA256

      4bb2837eb5e65283feda7e311a5a24bc316e84d01afd27b7f98689e3e7f7d831

      SHA512

      c67aa35152215abe5956b2009fb155dbb239b84d4a879ee22e59a4f3959974e78621dc543649b235d80e869ff74b99b3b7a81776f1f192cf9ec5ab0ae7bd295f

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1929268.exe
      Filesize

      531KB

      MD5

      6c837aaca276f685b92859982affa8eb

      SHA1

      b7e396c9dd6a037758f2a435a26e94235e90501c

      SHA256

      4bb2837eb5e65283feda7e311a5a24bc316e84d01afd27b7f98689e3e7f7d831

      SHA512

      c67aa35152215abe5956b2009fb155dbb239b84d4a879ee22e59a4f3959974e78621dc543649b235d80e869ff74b99b3b7a81776f1f192cf9ec5ab0ae7bd295f

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4755630.exe
      Filesize

      358KB

      MD5

      7f546d704efff592e526092a58e040ef

      SHA1

      d7f0022749d28255da77feace3e06501be5c5be7

      SHA256

      20c8b9610b939c8a480de86cbc4252747aa2be56da787b372c04ac5e81a9fad9

      SHA512

      10a7bbc6f600660475daff9be7d9d3a12d274adad515f867afd1daecf984cce4d9b8d720832d5d4af0b361eb262f05684c63da6412a3fd18234327f89b090fdc

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4755630.exe
      Filesize

      358KB

      MD5

      7f546d704efff592e526092a58e040ef

      SHA1

      d7f0022749d28255da77feace3e06501be5c5be7

      SHA256

      20c8b9610b939c8a480de86cbc4252747aa2be56da787b372c04ac5e81a9fad9

      SHA512

      10a7bbc6f600660475daff9be7d9d3a12d274adad515f867afd1daecf984cce4d9b8d720832d5d4af0b361eb262f05684c63da6412a3fd18234327f89b090fdc

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c5077409.exe
      Filesize

      172KB

      MD5

      dc120875e72748f625a41442517a9d6f

      SHA1

      a087e4970a06a85d322fdd4e8b557feb305e52fd

      SHA256

      b1d80f171c0846afcf0b18f95f0543d65e430c262721c01ee0cc5eb268a761a5

      SHA512

      03740a35f17cd966b8f16a40c2fd79568c014d70564ff59869571ed1ae818f0325a5f9fb45d2d9a0ea08752c61dcb85a69b281fc56f9ad90717e80bd492b15f5

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c5077409.exe
      Filesize

      172KB

      MD5

      dc120875e72748f625a41442517a9d6f

      SHA1

      a087e4970a06a85d322fdd4e8b557feb305e52fd

      SHA256

      b1d80f171c0846afcf0b18f95f0543d65e430c262721c01ee0cc5eb268a761a5

      SHA512

      03740a35f17cd966b8f16a40c2fd79568c014d70564ff59869571ed1ae818f0325a5f9fb45d2d9a0ea08752c61dcb85a69b281fc56f9ad90717e80bd492b15f5

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6659796.exe
      Filesize

      203KB

      MD5

      4da82f331b132b20c8a7ae87c5f031b1

      SHA1

      ec77ec89fed6fd93f0186bfc6d2dfa091951bf3a

      SHA256

      2c6967e40196bc2011a4215c50abc56c82c37c7c494d700190dd10f0a7b943c8

      SHA512

      6005557b038e541ab0640029d84b1c435a1e39b6f6648e94760f36a9790f67587a305896b4bbaf5003a8198c43c764cc6d556041ac1ebff979e2575411c6064c

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6659796.exe
      Filesize

      203KB

      MD5

      4da82f331b132b20c8a7ae87c5f031b1

      SHA1

      ec77ec89fed6fd93f0186bfc6d2dfa091951bf3a

      SHA256

      2c6967e40196bc2011a4215c50abc56c82c37c7c494d700190dd10f0a7b943c8

      SHA512

      6005557b038e541ab0640029d84b1c435a1e39b6f6648e94760f36a9790f67587a305896b4bbaf5003a8198c43c764cc6d556041ac1ebff979e2575411c6064c

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8546891.exe
      Filesize

      13KB

      MD5

      2c9ddf554832270a968d90d04c46c051

      SHA1

      855575a1cf07ca8da1a9a60ed7a072aa8a5c83fb

      SHA256

      00e4079547615d86a7c32cc4ba6c5759e222386d7fb7867f1adc486948e7d938

      SHA512

      e640f4c6a2c608097ef695ebfe08d8cb2a30baa2d8b7d8d1ca9ee4e3f3ef84d2c20ea88b5cca9edaccfd485c1a0a266f5963fba896ac87006c114d8fe036c4a5

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8546891.exe
      Filesize

      13KB

      MD5

      2c9ddf554832270a968d90d04c46c051

      SHA1

      855575a1cf07ca8da1a9a60ed7a072aa8a5c83fb

      SHA256

      00e4079547615d86a7c32cc4ba6c5759e222386d7fb7867f1adc486948e7d938

      SHA512

      e640f4c6a2c608097ef695ebfe08d8cb2a30baa2d8b7d8d1ca9ee4e3f3ef84d2c20ea88b5cca9edaccfd485c1a0a266f5963fba896ac87006c114d8fe036c4a5

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4448971.exe
      Filesize

      120KB

      MD5

      a7205c3b046170a75bf755fac79b48a1

      SHA1

      97c363a608bdeea74101dd54f0bbb706d8cf6f67

      SHA256

      e95936efc8e6269c57d307c158bae2c4e034f01e4a0b100a70dfa1e32b573407

      SHA512

      eda7706d8a79945fbe0eccc1710259f524d993ab4d9d93f6f6b69f55c793e185f43d16b1d1bb774452c0c7ab307bc39d9e3f6528a4bb83032dc96623619fb8db

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4448971.exe
      Filesize

      120KB

      MD5

      a7205c3b046170a75bf755fac79b48a1

      SHA1

      97c363a608bdeea74101dd54f0bbb706d8cf6f67

      SHA256

      e95936efc8e6269c57d307c158bae2c4e034f01e4a0b100a70dfa1e32b573407

      SHA512

      eda7706d8a79945fbe0eccc1710259f524d993ab4d9d93f6f6b69f55c793e185f43d16b1d1bb774452c0c7ab307bc39d9e3f6528a4bb83032dc96623619fb8db

    • memory/3008-167-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB

    • memory/3704-161-0x0000000000EC0000-0x0000000000ECA000-memory.dmp
      Filesize

      40KB

    • memory/4288-175-0x0000000000C40000-0x0000000000C70000-memory.dmp
      Filesize

      192KB

    • memory/4288-176-0x000000000AF40000-0x000000000B558000-memory.dmp
      Filesize

      6.1MB

    • memory/4288-177-0x000000000AA80000-0x000000000AB8A000-memory.dmp
      Filesize

      1.0MB

    • memory/4288-178-0x000000000A9C0000-0x000000000A9D2000-memory.dmp
      Filesize

      72KB

    • memory/4288-179-0x0000000005490000-0x00000000054A0000-memory.dmp
      Filesize

      64KB

    • memory/4288-180-0x000000000AA20000-0x000000000AA5C000-memory.dmp
      Filesize

      240KB

    • memory/4288-181-0x000000000AD30000-0x000000000ADA6000-memory.dmp
      Filesize

      472KB

    • memory/4288-182-0x000000000AE50000-0x000000000AEE2000-memory.dmp
      Filesize

      584KB

    • memory/4288-183-0x000000000BC10000-0x000000000C1B4000-memory.dmp
      Filesize

      5.6MB

    • memory/4288-184-0x000000000B660000-0x000000000B6C6000-memory.dmp
      Filesize

      408KB

    • memory/4288-186-0x0000000005490000-0x00000000054A0000-memory.dmp
      Filesize

      64KB

    • memory/4288-187-0x000000000BB70000-0x000000000BBC0000-memory.dmp
      Filesize

      320KB

    • memory/4288-188-0x000000000C390000-0x000000000C552000-memory.dmp
      Filesize

      1.8MB

    • memory/4288-189-0x000000000CA90000-0x000000000CFBC000-memory.dmp
      Filesize

      5.2MB