Analysis

  • max time kernel
    109s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-03-2023 12:23

General

  • Target

    87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe

  • Size

    386KB

  • MD5

    6b25749a094642108dace3cdbc7d8d8f

  • SHA1

    85798056e35f2f237efdc7b4cbd1a22542107a81

  • SHA256

    87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449

  • SHA512

    4d91e5a5a80d3ee6cf5ef1ca08ea5caef55c3de00878331da058cb978006c167aee203dd6257fbd7afd85e2647526665a952010d3a9bf5ee4e217f8a0c2c586c

  • SSDEEP

    12288:fMrKy90k2qM4kxxa3nWyFccv5HHFqbt7:xy/Mla3WyFccvJlqb9

Malware Config

Extracted

Family

redline

Botnet

mango

C2

193.233.20.28:4125

Attributes
  • auth_value

    ecf79d7f5227d998a3501c972d915d23

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • RedLine payload 33 IoCs
  • Executes dropped EXE 2 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
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe
    "C:\Users\Admin\AppData\Local\Temp\87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s8303da.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s8303da.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1308
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t73FQ23.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t73FQ23.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 1968
        3⤵
        • Program crash
        PID:2784
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4280 -ip 4280
    1⤵
      PID:3220

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s8303da.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s8303da.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t73FQ23.exe

      Filesize

      301KB

      MD5

      f4006c4e6f3575eb5dd28d933e787962

      SHA1

      b8b8c2ff9434c35ec4cf9b3be3cf51dc2c69bb9b

      SHA256

      1a05e9fcc4a4f16f3dff7e6447847604eeb050fb0f5eb96aeddfdc2069165f46

      SHA512

      bd0235cd7f726bda71cf2aa4a2c60ab6026ad785d894b62866a62d66fb55957eaad535e54e7b557a9b0bb6217eb5a3ff25ae00ed6e1e203af627dd07aa3f7376

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t73FQ23.exe

      Filesize

      301KB

      MD5

      f4006c4e6f3575eb5dd28d933e787962

      SHA1

      b8b8c2ff9434c35ec4cf9b3be3cf51dc2c69bb9b

      SHA256

      1a05e9fcc4a4f16f3dff7e6447847604eeb050fb0f5eb96aeddfdc2069165f46

      SHA512

      bd0235cd7f726bda71cf2aa4a2c60ab6026ad785d894b62866a62d66fb55957eaad535e54e7b557a9b0bb6217eb5a3ff25ae00ed6e1e203af627dd07aa3f7376

    • memory/1308-140-0x00000000008F0000-0x00000000008FA000-memory.dmp

      Filesize

      40KB

    • memory/4280-146-0x0000000004BE0000-0x0000000005184000-memory.dmp

      Filesize

      5.6MB

    • memory/4280-147-0x0000000000470000-0x00000000004BB000-memory.dmp

      Filesize

      300KB

    • memory/4280-149-0x00000000026F0000-0x0000000002700000-memory.dmp

      Filesize

      64KB

    • memory/4280-150-0x00000000026F0000-0x0000000002700000-memory.dmp

      Filesize

      64KB

    • memory/4280-148-0x00000000026F0000-0x0000000002700000-memory.dmp

      Filesize

      64KB

    • memory/4280-151-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-152-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-154-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-156-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-158-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-160-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-162-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-164-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-166-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-168-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-170-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-172-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-174-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-176-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-178-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-180-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-182-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-184-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-186-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-188-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-190-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-192-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-194-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-196-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-198-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-200-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-202-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-204-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-206-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-208-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-210-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-212-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-214-0x0000000002710000-0x000000000274E000-memory.dmp

      Filesize

      248KB

    • memory/4280-1057-0x00000000051B0000-0x00000000057C8000-memory.dmp

      Filesize

      6.1MB

    • memory/4280-1058-0x0000000005850000-0x000000000595A000-memory.dmp

      Filesize

      1.0MB

    • memory/4280-1059-0x0000000005990000-0x00000000059A2000-memory.dmp

      Filesize

      72KB

    • memory/4280-1060-0x00000000059B0000-0x00000000059EC000-memory.dmp

      Filesize

      240KB

    • memory/4280-1061-0x00000000026F0000-0x0000000002700000-memory.dmp

      Filesize

      64KB

    • memory/4280-1063-0x0000000005CA0000-0x0000000005D32000-memory.dmp

      Filesize

      584KB

    • memory/4280-1064-0x0000000005D40000-0x0000000005DA6000-memory.dmp

      Filesize

      408KB

    • memory/4280-1065-0x0000000006460000-0x0000000006622000-memory.dmp

      Filesize

      1.8MB

    • memory/4280-1067-0x0000000006630000-0x0000000006B5C000-memory.dmp

      Filesize

      5.2MB

    • memory/4280-1066-0x00000000026F0000-0x0000000002700000-memory.dmp

      Filesize

      64KB

    • memory/4280-1068-0x00000000026F0000-0x0000000002700000-memory.dmp

      Filesize

      64KB

    • memory/4280-1069-0x00000000026F0000-0x0000000002700000-memory.dmp

      Filesize

      64KB

    • memory/4280-1070-0x0000000006C90000-0x0000000006D06000-memory.dmp

      Filesize

      472KB

    • memory/4280-1071-0x0000000006D20000-0x0000000006D70000-memory.dmp

      Filesize

      320KB

    • memory/4280-1073-0x00000000026F0000-0x0000000002700000-memory.dmp

      Filesize

      64KB