Analysis

  • max time kernel
    148s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2023, 07:08

General

  • Target

    f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe

  • Size

    386KB

  • MD5

    0da3da67726e6f713d8338349b3a0edf

  • SHA1

    df71ee9b86ac07746bf036c59839382695b070e0

  • SHA256

    f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142

  • SHA512

    f26c14b92a7a04ffc8d5706e2c353393e74971375f6de90ba0c6f956165f6eee3dadc9028dade3da3926476505003c0918d24bc7b8de581b65bc1cf3b08f2f37

  • SSDEEP

    6144:K/y+bnr+cp0yN90QEMAMqbmSVnSlq49gs4e5lCJyY8WvLBEyvQZOQJIkVnM:BMrIy90tbmRqqn4euJyY8MFEUQjZi

Malware Config

Extracted

Family

redline

Botnet

fud

C2

193.233.20.27:4123

Attributes
  • auth_value

    cddc991efd6918ad5321d80dac884b40

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\f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe
    "C:\Users\Admin\AppData\Local\Temp\f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3236
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3449cM.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3449cM.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4756
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t48WH30.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t48WH30.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1856
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 1640
        3⤵
        • Program crash
        PID:1528
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1856 -ip 1856
    1⤵
      PID:3440

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3449cM.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3449cM.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t48WH30.exe

      Filesize

      301KB

      MD5

      19a7d8ff4aaaff6d27d40f63bfda81d9

      SHA1

      d837291fe27c85a7447d4ac7aa3b48ed992ee0bc

      SHA256

      524c1d04272ff34e45a9335f4d365735bbaa8727f3d6c988a825f50809f92053

      SHA512

      ba40e91396eb80ce1ec70361db93a42ee63f0c05c23ae0edeb180272a44bd46ea900da19074e0e118fec5e70ce58ae0e34b95964f4633c75591fe4e62ccfbcf4

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t48WH30.exe

      Filesize

      301KB

      MD5

      19a7d8ff4aaaff6d27d40f63bfda81d9

      SHA1

      d837291fe27c85a7447d4ac7aa3b48ed992ee0bc

      SHA256

      524c1d04272ff34e45a9335f4d365735bbaa8727f3d6c988a825f50809f92053

      SHA512

      ba40e91396eb80ce1ec70361db93a42ee63f0c05c23ae0edeb180272a44bd46ea900da19074e0e118fec5e70ce58ae0e34b95964f4633c75591fe4e62ccfbcf4

    • memory/1856-146-0x0000000004BD0000-0x0000000005174000-memory.dmp

      Filesize

      5.6MB

    • memory/1856-147-0x00000000005B0000-0x00000000005FB000-memory.dmp

      Filesize

      300KB

    • memory/1856-149-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

      Filesize

      64KB

    • memory/1856-150-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

      Filesize

      64KB

    • memory/1856-148-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

      Filesize

      64KB

    • memory/1856-151-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-152-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-154-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-156-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-158-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-160-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-162-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-164-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-166-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-168-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-170-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-172-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-174-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-176-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-178-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-180-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-182-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-184-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-186-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-188-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-190-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-192-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-194-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-196-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-198-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-200-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-202-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-204-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-206-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-210-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-212-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-208-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-214-0x0000000004B50000-0x0000000004B8E000-memory.dmp

      Filesize

      248KB

    • memory/1856-1057-0x00000000051B0000-0x00000000057C8000-memory.dmp

      Filesize

      6.1MB

    • memory/1856-1058-0x0000000005850000-0x000000000595A000-memory.dmp

      Filesize

      1.0MB

    • memory/1856-1059-0x0000000005990000-0x00000000059A2000-memory.dmp

      Filesize

      72KB

    • memory/1856-1060-0x00000000059B0000-0x00000000059EC000-memory.dmp

      Filesize

      240KB

    • memory/1856-1061-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

      Filesize

      64KB

    • memory/1856-1063-0x0000000005CA0000-0x0000000005D32000-memory.dmp

      Filesize

      584KB

    • memory/1856-1064-0x0000000005D40000-0x0000000005DA6000-memory.dmp

      Filesize

      408KB

    • memory/1856-1065-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

      Filesize

      64KB

    • memory/1856-1066-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

      Filesize

      64KB

    • memory/1856-1067-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

      Filesize

      64KB

    • memory/1856-1068-0x00000000067E0000-0x0000000006856000-memory.dmp

      Filesize

      472KB

    • memory/1856-1069-0x0000000006870000-0x00000000068C0000-memory.dmp

      Filesize

      320KB

    • memory/1856-1070-0x00000000068D0000-0x0000000006A92000-memory.dmp

      Filesize

      1.8MB

    • memory/1856-1071-0x0000000006AB0000-0x0000000006FDC000-memory.dmp

      Filesize

      5.2MB

    • memory/1856-1072-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

      Filesize

      64KB

    • memory/4756-140-0x0000000000340000-0x000000000034A000-memory.dmp

      Filesize

      40KB