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Analysis

  • max time kernel
    118s
  • max time network
    123s
  • 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, 09:46

General

  • Target

    309b4eb9e194a38fe2961d425ccee95ce758628b5f79175455f4f4c927e56725.exe

  • Size

    386KB

  • MD5

    c305e6650b98adee8f9e425f3a47c6bb

  • SHA1

    28303ddb68187fe55e9c0386198a970850aa6f2f

  • SHA256

    309b4eb9e194a38fe2961d425ccee95ce758628b5f79175455f4f4c927e56725

  • SHA512

    a690bcffe5e824f01c9ecf894da069b07f880177342edbfd1bed0856eb695c930b89d0825c6b5cee69954ba4c0a7c4781fdfd3800d9eb1ed1f3afa48f7563c14

  • SSDEEP

    6144:KXy+bnr+dp0yN90QExYJF0rvl+rDXKFVB2b1I5lWf8b27LKm19NV3dO/ko9U3dC:pMrJy90QE+HKpC1KWkb2/D3dO8o9U3I

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 34 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\309b4eb9e194a38fe2961d425ccee95ce758628b5f79175455f4f4c927e56725.exe
    "C:\Users\Admin\AppData\Local\Temp\309b4eb9e194a38fe2961d425ccee95ce758628b5f79175455f4f4c927e56725.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s5373Os.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s5373Os.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1448
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t23NP98.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t23NP98.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 1364
        3⤵
        • Program crash
        PID:2088
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4864 -ip 4864
    1⤵
      PID:2468

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s5373Os.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s5373Os.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t23NP98.exe

      Filesize

      301KB

      MD5

      1b1b7303d84d7476338a36be315cf17d

      SHA1

      cf0860478e62fc7ae6ba3c677a666b5102380245

      SHA256

      d3f8b9ca52931ea88524319a7d1acaa2e261f4303c66baa32ea3a3f02c370cf8

      SHA512

      f690aec4e5d2ecdcf729348028790bb7c263b89f9e7da762f77f8af7274f39310dcac222cf15fcdec143e05d3540a7650ca7006fe006ecd26b02c22448cf070d

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t23NP98.exe

      Filesize

      301KB

      MD5

      1b1b7303d84d7476338a36be315cf17d

      SHA1

      cf0860478e62fc7ae6ba3c677a666b5102380245

      SHA256

      d3f8b9ca52931ea88524319a7d1acaa2e261f4303c66baa32ea3a3f02c370cf8

      SHA512

      f690aec4e5d2ecdcf729348028790bb7c263b89f9e7da762f77f8af7274f39310dcac222cf15fcdec143e05d3540a7650ca7006fe006ecd26b02c22448cf070d

    • memory/1448-140-0x0000000000420000-0x000000000042A000-memory.dmp

      Filesize

      40KB

    • memory/4864-146-0x0000000000470000-0x00000000004BB000-memory.dmp

      Filesize

      300KB

    • memory/4864-147-0x0000000004BE0000-0x0000000005184000-memory.dmp

      Filesize

      5.6MB

    • memory/4864-148-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-149-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-151-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-153-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-155-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-157-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-159-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-161-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-163-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-165-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-167-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-168-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

      Filesize

      64KB

    • memory/4864-169-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

      Filesize

      64KB

    • memory/4864-172-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-171-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

      Filesize

      64KB

    • memory/4864-174-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-176-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-178-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-180-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-182-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-184-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-186-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-188-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-192-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-190-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-194-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-196-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-198-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-200-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-202-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-204-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-206-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-208-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-210-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-212-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-214-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4864-1057-0x00000000051B0000-0x00000000057C8000-memory.dmp

      Filesize

      6.1MB

    • memory/4864-1058-0x0000000005850000-0x000000000595A000-memory.dmp

      Filesize

      1.0MB

    • memory/4864-1059-0x0000000005990000-0x00000000059A2000-memory.dmp

      Filesize

      72KB

    • memory/4864-1060-0x00000000059B0000-0x00000000059EC000-memory.dmp

      Filesize

      240KB

    • memory/4864-1061-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

      Filesize

      64KB

    • memory/4864-1063-0x0000000005CA0000-0x0000000005D32000-memory.dmp

      Filesize

      584KB

    • memory/4864-1064-0x0000000005D40000-0x0000000005DA6000-memory.dmp

      Filesize

      408KB

    • memory/4864-1065-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

      Filesize

      64KB

    • memory/4864-1066-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

      Filesize

      64KB

    • memory/4864-1067-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

      Filesize

      64KB

    • memory/4864-1068-0x0000000006540000-0x00000000065B6000-memory.dmp

      Filesize

      472KB

    • memory/4864-1069-0x00000000065D0000-0x0000000006620000-memory.dmp

      Filesize

      320KB

    • memory/4864-1070-0x00000000067A0000-0x0000000006962000-memory.dmp

      Filesize

      1.8MB

    • memory/4864-1071-0x0000000006970000-0x0000000006E9C000-memory.dmp

      Filesize

      5.2MB

    • memory/4864-1072-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

      Filesize

      64KB