Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2023 11:33

General

  • Target

    03088099.exe

  • Size

    740KB

  • MD5

    490cc340e3f63ca132962f67ec44bdbe

  • SHA1

    3e49a6337dc0f30110624f25d58f7d77f698cfd5

  • SHA256

    737a2ad71df51cec4e94610c2891bf664ce6b81a79d08bb8e91da05fbf164e62

  • SHA512

    77fa05af47bbdba47ec540cfbc4e6bdb9601167cbb610169d5f97e82f4dd636fde8bae08bf79077a52d61f6f76edebe0277a3a27192257a9597aef57a916a27e

  • SSDEEP

    12288:RMrAy908Ad/YispZBn1FnjETlH2iRxCpdBzHbVxvdbFsGut+r3wTzW:hy41YiSfnj4HCpPz7FFsGw+ca

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 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03088099.exe
    "C:\Users\Admin\AppData\Local\Temp\03088099.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2193449.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2193449.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2211734.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2211734.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2180
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8853267.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8853267.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4524
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a3778139.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a3778139.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1908
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0577656.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0577656.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3312
            • 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:3924
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 220
              6⤵
              • Program crash
              PID:180
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6342572.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6342572.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:220
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3312 -ip 3312
    1⤵
      PID:4208

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2193449.exe
      Filesize

      532KB

      MD5

      192e0318dd9ed41e066b782fcc1c7507

      SHA1

      3b481cb425be94091386b5e3fdb1b73fcd6b030a

      SHA256

      3925a15000a5d71e97ed42255d895c5d1bf32d1c07bb3fdc056f3664defcec32

      SHA512

      bbc77cc96d9d6ecb325b64961763c8c8f194e60333a63646bfbb0c6333da37394c499233ad3699d0338f3c0e898d688973f086f2f605c4ceaae7a9b8e6561d3a

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2193449.exe
      Filesize

      532KB

      MD5

      192e0318dd9ed41e066b782fcc1c7507

      SHA1

      3b481cb425be94091386b5e3fdb1b73fcd6b030a

      SHA256

      3925a15000a5d71e97ed42255d895c5d1bf32d1c07bb3fdc056f3664defcec32

      SHA512

      bbc77cc96d9d6ecb325b64961763c8c8f194e60333a63646bfbb0c6333da37394c499233ad3699d0338f3c0e898d688973f086f2f605c4ceaae7a9b8e6561d3a

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2211734.exe
      Filesize

      360KB

      MD5

      18ce4f6a02dd4a49227c2f3d96b16f6e

      SHA1

      8020cbe90c1f47ba4675e38f7cfb47498f3c9892

      SHA256

      338e0a6171d8a2071a540226ac7759657c86a836a26771d6e4115df1bd151956

      SHA512

      8410fdb442a5bec765935972b57cb3d090aab0b017be4a47def6652212c5c5da57972583c6a4b4dd5ce3a85ed7fc24bf31b5581c00dd7ff5d1b2eb97d54106df

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2211734.exe
      Filesize

      360KB

      MD5

      18ce4f6a02dd4a49227c2f3d96b16f6e

      SHA1

      8020cbe90c1f47ba4675e38f7cfb47498f3c9892

      SHA256

      338e0a6171d8a2071a540226ac7759657c86a836a26771d6e4115df1bd151956

      SHA512

      8410fdb442a5bec765935972b57cb3d090aab0b017be4a47def6652212c5c5da57972583c6a4b4dd5ce3a85ed7fc24bf31b5581c00dd7ff5d1b2eb97d54106df

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6342572.exe
      Filesize

      172KB

      MD5

      8de8834f2c544cf5592cce3ee4da8d2e

      SHA1

      b723d33f07d8906ce84c697f88336cb510cdda8a

      SHA256

      82372438daaf161f0a7e4b4f0c270fa3d4d798df152f3520ad03d9e8a75d68ec

      SHA512

      49a394ce4a0ce178d4073ac1e5bbfb9085dcebdf63f7f7aca47f4dbbfcbe25e3207e33141f1208fb1ab8c1cb02b726cfc564958763988995f90b62b7e69f2ded

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6342572.exe
      Filesize

      172KB

      MD5

      8de8834f2c544cf5592cce3ee4da8d2e

      SHA1

      b723d33f07d8906ce84c697f88336cb510cdda8a

      SHA256

      82372438daaf161f0a7e4b4f0c270fa3d4d798df152f3520ad03d9e8a75d68ec

      SHA512

      49a394ce4a0ce178d4073ac1e5bbfb9085dcebdf63f7f7aca47f4dbbfcbe25e3207e33141f1208fb1ab8c1cb02b726cfc564958763988995f90b62b7e69f2ded

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8853267.exe
      Filesize

      204KB

      MD5

      d1299c74b430066a3b9b2ea7b0f0caab

      SHA1

      ca55805953e211c21eeffd7dcd438dcd44878914

      SHA256

      93f246d45aa9e770d78239eda760991db58bb068444f9787de4d34a91a037145

      SHA512

      6bd4617557b1e5870bd50683c677a1eccf23e0426b0ff37bbee2fef96b98f57820998fc13b189bee5d6b10d35614bc48978d0c544b74fcfbc9fdb0e11b47b3d6

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8853267.exe
      Filesize

      204KB

      MD5

      d1299c74b430066a3b9b2ea7b0f0caab

      SHA1

      ca55805953e211c21eeffd7dcd438dcd44878914

      SHA256

      93f246d45aa9e770d78239eda760991db58bb068444f9787de4d34a91a037145

      SHA512

      6bd4617557b1e5870bd50683c677a1eccf23e0426b0ff37bbee2fef96b98f57820998fc13b189bee5d6b10d35614bc48978d0c544b74fcfbc9fdb0e11b47b3d6

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a3778139.exe
      Filesize

      13KB

      MD5

      c07e7dd09767fc403da8db079ee85538

      SHA1

      1eaa2f6f4217f2927d9be1a8d1fb52e1d4e1b028

      SHA256

      d967abdd02a35ed38f41f70d66ded44595a7343fcfdcdf2c4ca7abbd691421be

      SHA512

      b189fdb21ad8d81840eeae2e1e14f3d972b9844af7589cbc193b6de9061f79b54b3726ba5c2551b68a86c82dbe1c17d76ef9e465960f5578a949837d5c2c7848

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a3778139.exe
      Filesize

      13KB

      MD5

      c07e7dd09767fc403da8db079ee85538

      SHA1

      1eaa2f6f4217f2927d9be1a8d1fb52e1d4e1b028

      SHA256

      d967abdd02a35ed38f41f70d66ded44595a7343fcfdcdf2c4ca7abbd691421be

      SHA512

      b189fdb21ad8d81840eeae2e1e14f3d972b9844af7589cbc193b6de9061f79b54b3726ba5c2551b68a86c82dbe1c17d76ef9e465960f5578a949837d5c2c7848

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0577656.exe
      Filesize

      120KB

      MD5

      0bd54a7f0f26bbcc69c33458a44b461d

      SHA1

      cee99479e0126c8ad3b35caccc2dd4329a252d85

      SHA256

      d4bcfe0cf499d7f19a854b497a086be572983ba19f51a531c588fb7c874acece

      SHA512

      ebb4862da10de16ea6036cb39c45f8baaa11236b524f6044b46d6ce57428ba2a07d80065512d935f03150d141801ef2d094b76229e7273c030700ec27a3636e7

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0577656.exe
      Filesize

      120KB

      MD5

      0bd54a7f0f26bbcc69c33458a44b461d

      SHA1

      cee99479e0126c8ad3b35caccc2dd4329a252d85

      SHA256

      d4bcfe0cf499d7f19a854b497a086be572983ba19f51a531c588fb7c874acece

      SHA512

      ebb4862da10de16ea6036cb39c45f8baaa11236b524f6044b46d6ce57428ba2a07d80065512d935f03150d141801ef2d094b76229e7273c030700ec27a3636e7

    • memory/220-175-0x0000000000890000-0x00000000008C0000-memory.dmp
      Filesize

      192KB

    • memory/220-180-0x000000000A7B0000-0x000000000A7EC000-memory.dmp
      Filesize

      240KB

    • memory/220-189-0x000000000C980000-0x000000000CEAC000-memory.dmp
      Filesize

      5.2MB

    • memory/220-176-0x000000000ACC0000-0x000000000B2D8000-memory.dmp
      Filesize

      6.1MB

    • memory/220-177-0x000000000A810000-0x000000000A91A000-memory.dmp
      Filesize

      1.0MB

    • memory/220-178-0x000000000A750000-0x000000000A762000-memory.dmp
      Filesize

      72KB

    • memory/220-179-0x00000000051D0000-0x00000000051E0000-memory.dmp
      Filesize

      64KB

    • memory/220-188-0x000000000C280000-0x000000000C442000-memory.dmp
      Filesize

      1.8MB

    • memory/220-181-0x000000000AAC0000-0x000000000AB36000-memory.dmp
      Filesize

      472KB

    • memory/220-182-0x000000000B380000-0x000000000B412000-memory.dmp
      Filesize

      584KB

    • memory/220-183-0x000000000AC40000-0x000000000ACA6000-memory.dmp
      Filesize

      408KB

    • memory/220-184-0x000000000BCD0000-0x000000000C274000-memory.dmp
      Filesize

      5.6MB

    • memory/220-186-0x00000000051D0000-0x00000000051E0000-memory.dmp
      Filesize

      64KB

    • memory/220-187-0x000000000B7E0000-0x000000000B830000-memory.dmp
      Filesize

      320KB

    • memory/1908-161-0x00000000006C0000-0x00000000006CA000-memory.dmp
      Filesize

      40KB

    • memory/3924-167-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB