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Analysis

  • max time kernel
    163s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/05/2023, 21:40

General

  • Target

    47745fa6026a709c71ad3ffbf1e404c1598306a4a031a2f385b7f53e22f500d0.exe

  • Size

    694KB

  • MD5

    b6160d67aab15d75a602b9cac3b7c7fe

  • SHA1

    2e85322a09d42a538f3e0380e55b2371b7fb1db0

  • SHA256

    47745fa6026a709c71ad3ffbf1e404c1598306a4a031a2f385b7f53e22f500d0

  • SHA512

    f103a4c35eb631c5a807ad618d25cb69c06e5e62ea5a9131fe0c375a88bcf36b48c7a7554a50dc35a233e6d59823a552ef8051bb93b0ae999d666389714cb81d

  • SSDEEP

    12288:/y90srkzrCNmwfq1HfzcDtDLFoLlcqEZnQ29CeW+iWgK4ZRPOOm:/y/rkzQAfwDDoxczQuCeQW74ZRPA

Malware Config

Signatures

  • Detects Redline Stealer samples 1 IoCs

    This rule detects the presence of Redline Stealer samples based on their unique strings.

  • 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.

  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47745fa6026a709c71ad3ffbf1e404c1598306a4a031a2f385b7f53e22f500d0.exe
    "C:\Users\Admin\AppData\Local\Temp\47745fa6026a709c71ad3ffbf1e404c1598306a4a031a2f385b7f53e22f500d0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un335493.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un335493.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5076
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\36982697.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\36982697.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 1084
          4⤵
          • Program crash
          PID:1628
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk192330.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk192330.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4292
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4120 -ip 4120
    1⤵
      PID:2024

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un335493.exe

      Filesize

      540KB

      MD5

      e2452401c5f229f185a568636fb0699c

      SHA1

      9f0ca477d01e568e2f089ac0e689cf4138f8681c

      SHA256

      f579c03051e0dcbb58b97318b567b060d592f2e3a1d7e98b1b9552fd9fac4f92

      SHA512

      4dec640efd87e4da241c6677a6204ca77c099d0841ec0aa30cf331cc018138369eff7745cf5634c8d42b3dcd498de49aa9d32ecde25598802e80bccf99a5fbc0

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un335493.exe

      Filesize

      540KB

      MD5

      e2452401c5f229f185a568636fb0699c

      SHA1

      9f0ca477d01e568e2f089ac0e689cf4138f8681c

      SHA256

      f579c03051e0dcbb58b97318b567b060d592f2e3a1d7e98b1b9552fd9fac4f92

      SHA512

      4dec640efd87e4da241c6677a6204ca77c099d0841ec0aa30cf331cc018138369eff7745cf5634c8d42b3dcd498de49aa9d32ecde25598802e80bccf99a5fbc0

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\36982697.exe

      Filesize

      258KB

      MD5

      c4d10514373b337fe6800db163cf9868

      SHA1

      edcd8b16e3fc79eee83cf67be0d02abc6bc921cd

      SHA256

      8df3ffbe9bef2eeb69037844adbe92de587e8c53049aa6c24c5d0e44dfe45d60

      SHA512

      5ce3eb1f66926bf515afd24efba3028823bb1c17bc4456d484cdf815f29142c1a31d5e2118fe65e57dd0fd0de12d2f338f0f559d4b524a381e84f7a8f20d7cad

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\36982697.exe

      Filesize

      258KB

      MD5

      c4d10514373b337fe6800db163cf9868

      SHA1

      edcd8b16e3fc79eee83cf67be0d02abc6bc921cd

      SHA256

      8df3ffbe9bef2eeb69037844adbe92de587e8c53049aa6c24c5d0e44dfe45d60

      SHA512

      5ce3eb1f66926bf515afd24efba3028823bb1c17bc4456d484cdf815f29142c1a31d5e2118fe65e57dd0fd0de12d2f338f0f559d4b524a381e84f7a8f20d7cad

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk192330.exe

      Filesize

      341KB

      MD5

      dbf4c42f588d74dd50fe4379b8523e39

      SHA1

      001aa6ac79964dadacf5764a2ad060809bfff6ce

      SHA256

      b27ce64fbb91e6ece84f5eb9fb46014cac7d8f594d5d88ed07fb4db3ef82ba95

      SHA512

      6980b798a90e06a71f12f0119701887268f7d1ddafc6782253dea563b56518609e1537aeac3450188a94eb3b7122905b340de72a64b0225ba24d754f588e700e

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk192330.exe

      Filesize

      341KB

      MD5

      dbf4c42f588d74dd50fe4379b8523e39

      SHA1

      001aa6ac79964dadacf5764a2ad060809bfff6ce

      SHA256

      b27ce64fbb91e6ece84f5eb9fb46014cac7d8f594d5d88ed07fb4db3ef82ba95

      SHA512

      6980b798a90e06a71f12f0119701887268f7d1ddafc6782253dea563b56518609e1537aeac3450188a94eb3b7122905b340de72a64b0225ba24d754f588e700e

    • memory/4120-164-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-160-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-152-0x0000000004D30000-0x0000000004D40000-memory.dmp

      Filesize

      64KB

    • memory/4120-153-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-154-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-156-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-158-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-151-0x0000000004D30000-0x0000000004D40000-memory.dmp

      Filesize

      64KB

    • memory/4120-162-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-150-0x0000000004D30000-0x0000000004D40000-memory.dmp

      Filesize

      64KB

    • memory/4120-166-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-168-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-170-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-172-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-174-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-176-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-178-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-180-0x0000000004BA0000-0x0000000004BB3000-memory.dmp

      Filesize

      76KB

    • memory/4120-181-0x0000000000400000-0x0000000002B9B000-memory.dmp

      Filesize

      39.6MB

    • memory/4120-182-0x0000000004D30000-0x0000000004D40000-memory.dmp

      Filesize

      64KB

    • memory/4120-183-0x0000000004D30000-0x0000000004D40000-memory.dmp

      Filesize

      64KB

    • memory/4120-184-0x0000000004D30000-0x0000000004D40000-memory.dmp

      Filesize

      64KB

    • memory/4120-186-0x0000000000400000-0x0000000002B9B000-memory.dmp

      Filesize

      39.6MB

    • memory/4120-149-0x0000000002C70000-0x0000000002C9D000-memory.dmp

      Filesize

      180KB

    • memory/4120-148-0x00000000071B0000-0x0000000007754000-memory.dmp

      Filesize

      5.6MB

    • memory/4292-221-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-229-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/4292-988-0x0000000009D00000-0x000000000A318000-memory.dmp

      Filesize

      6.1MB

    • memory/4292-192-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-199-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-201-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-203-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-205-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-207-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-209-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-211-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-213-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-215-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-193-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-197-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-217-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-989-0x0000000004E60000-0x0000000004E72000-memory.dmp

      Filesize

      72KB

    • memory/4292-219-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-224-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-227-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/4292-225-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/4292-195-0x0000000004C90000-0x0000000004CC5000-memory.dmp

      Filesize

      212KB

    • memory/4292-223-0x0000000002BB0000-0x0000000002BF6000-memory.dmp

      Filesize

      280KB

    • memory/4292-990-0x000000000A320000-0x000000000A42A000-memory.dmp

      Filesize

      1.0MB

    • memory/4292-991-0x000000000A440000-0x000000000A47C000-memory.dmp

      Filesize

      240KB

    • memory/4292-992-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/4292-994-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/4292-995-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/4292-996-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/4292-997-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB