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Analysis

  • max time kernel
    90s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2023, 20:43

General

  • Target

    1f9250b567d166729d25a9bfd709ae66a11a80350eacbb229db879357b7adadd.exe

  • Size

    478KB

  • MD5

    8ec9d9d74fe6a323affae5071935ac66

  • SHA1

    6f8cae45b6469520088942d008e475edc90ba7fc

  • SHA256

    1f9250b567d166729d25a9bfd709ae66a11a80350eacbb229db879357b7adadd

  • SHA512

    453b42728174064325a9e2650a42d45b844adad1fc56365a9cdedd8a6330cadf23f2257f8de656a590697e5277e8cc8239cfda0982a5561eab041c1e9034aaa0

  • SSDEEP

    12288:YMrFy90FJNGMd1wQ9hLotKvH2yGUq3YREqEZpc0:dyuNGMdiQ9JBfGUquJYT

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes
  • auth_value

    e5783636fbd9e4f0cf9a017bce02e67e

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 4 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 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 4 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f9250b567d166729d25a9bfd709ae66a11a80350eacbb229db879357b7adadd.exe
    "C:\Users\Admin\AppData\Local\Temp\1f9250b567d166729d25a9bfd709ae66a11a80350eacbb229db879357b7adadd.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfM97To.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfM97To.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bjM59al.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bjM59al.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:560
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 560 -s 1064
          4⤵
          • Program crash
          PID:2924
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\day66zn.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\day66zn.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2168
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lQW34fi.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lQW34fi.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:852
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 560 -ip 560
    1⤵
      PID:3716

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lQW34fi.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lQW34fi.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfM97To.exe

      Filesize

      374KB

      MD5

      8ac25df6dae6c303f421b40b485fde9d

      SHA1

      38dd1fe9a154a28e5109e373eb87aff7cd0c071b

      SHA256

      a5e67f5190fb51f99eb8013e04ff58c0c95ccbaa26e1c5ba1277f3fd875c9093

      SHA512

      785d1fcd4d1de78bf066aca9e351e54b2abbd4ea7243a11f3637a7779ab82173ccf89dc4ce47ae556185696ae6ded24344b063162275ce9f6476ac3559b45929

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfM97To.exe

      Filesize

      374KB

      MD5

      8ac25df6dae6c303f421b40b485fde9d

      SHA1

      38dd1fe9a154a28e5109e373eb87aff7cd0c071b

      SHA256

      a5e67f5190fb51f99eb8013e04ff58c0c95ccbaa26e1c5ba1277f3fd875c9093

      SHA512

      785d1fcd4d1de78bf066aca9e351e54b2abbd4ea7243a11f3637a7779ab82173ccf89dc4ce47ae556185696ae6ded24344b063162275ce9f6476ac3559b45929

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bjM59al.exe

      Filesize

      234KB

      MD5

      a7585267b7ee449583a37516dd0875f3

      SHA1

      5e1d49da2036caac2bc7f8148196a85279cfcd88

      SHA256

      5486cca58e0179df33a9eb3ab056acd4ff2c2c80ab610b7151215c8595c37a30

      SHA512

      20f4503b80fdc94499e9895dbe63e497f11098b785b7f504dc53c451a4df72555aa04e0ae02c2d11efe56c370f04325ba78d07df72bda4bdd7dc3007196a79c6

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bjM59al.exe

      Filesize

      234KB

      MD5

      a7585267b7ee449583a37516dd0875f3

      SHA1

      5e1d49da2036caac2bc7f8148196a85279cfcd88

      SHA256

      5486cca58e0179df33a9eb3ab056acd4ff2c2c80ab610b7151215c8595c37a30

      SHA512

      20f4503b80fdc94499e9895dbe63e497f11098b785b7f504dc53c451a4df72555aa04e0ae02c2d11efe56c370f04325ba78d07df72bda4bdd7dc3007196a79c6

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\day66zn.exe

      Filesize

      175KB

      MD5

      a5f5c5d6291c7ae9e1d1b7ed1e551490

      SHA1

      3d06413341893b838549939e15f8f1eec423d71a

      SHA256

      1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

      SHA512

      d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\day66zn.exe

      Filesize

      175KB

      MD5

      a5f5c5d6291c7ae9e1d1b7ed1e551490

      SHA1

      3d06413341893b838549939e15f8f1eec423d71a

      SHA256

      1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

      SHA512

      d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

    • memory/560-140-0x0000000000400000-0x0000000000758000-memory.dmp

      Filesize

      3.3MB

    • memory/560-141-0x0000000004E90000-0x0000000005434000-memory.dmp

      Filesize

      5.6MB

    • memory/560-142-0x00000000007A3000-0x00000000007C3000-memory.dmp

      Filesize

      128KB

    • memory/560-143-0x00000000007A3000-0x00000000007C3000-memory.dmp

      Filesize

      128KB

    • memory/560-144-0x0000000000400000-0x0000000000758000-memory.dmp

      Filesize

      3.3MB

    • memory/560-139-0x0000000000880000-0x00000000008AD000-memory.dmp

      Filesize

      180KB

    • memory/560-138-0x00000000007A3000-0x00000000007C3000-memory.dmp

      Filesize

      128KB

    • memory/852-164-0x00007FF809D50000-0x00007FF80A811000-memory.dmp

      Filesize

      10.8MB

    • memory/852-163-0x00007FF809D50000-0x00007FF80A811000-memory.dmp

      Filesize

      10.8MB

    • memory/852-162-0x0000000000AE0000-0x0000000000AEA000-memory.dmp

      Filesize

      40KB

    • memory/2168-148-0x0000000000F60000-0x0000000000F92000-memory.dmp

      Filesize

      200KB

    • memory/2168-153-0x0000000005B60000-0x0000000005BC6000-memory.dmp

      Filesize

      408KB

    • memory/2168-154-0x0000000006750000-0x00000000067E2000-memory.dmp

      Filesize

      584KB

    • memory/2168-155-0x0000000006AB0000-0x0000000006B26000-memory.dmp

      Filesize

      472KB

    • memory/2168-156-0x0000000006B30000-0x0000000006B80000-memory.dmp

      Filesize

      320KB

    • memory/2168-157-0x00000000073A0000-0x0000000007562000-memory.dmp

      Filesize

      1.8MB

    • memory/2168-158-0x0000000007AA0000-0x0000000007FCC000-memory.dmp

      Filesize

      5.2MB

    • memory/2168-152-0x0000000005830000-0x000000000586C000-memory.dmp

      Filesize

      240KB

    • memory/2168-151-0x0000000005810000-0x0000000005822000-memory.dmp

      Filesize

      72KB

    • memory/2168-150-0x00000000058C0000-0x00000000059CA000-memory.dmp

      Filesize

      1.0MB

    • memory/2168-149-0x0000000005D40000-0x0000000006358000-memory.dmp

      Filesize

      6.1MB