Analysis

  • max time kernel
    137s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 14:40

General

  • Target

    f25337a343c26cdecd99eb7f095938fd24fb233463a8af3fa69acc5201eed956.exe

  • Size

    435KB

  • MD5

    a76aada563b5fff5cf81824d40e87c25

  • SHA1

    b6c50c7d69b765a396e3995642cd3c82ed9eb370

  • SHA256

    f25337a343c26cdecd99eb7f095938fd24fb233463a8af3fa69acc5201eed956

  • SHA512

    093e3da142ee67a4da1c8f352460e5d90e9565ec60855285a19eb6e2c2f85d8b8ec22e0b5f46194222954ffeb19e1a8451f9d364c8869f1ef8050decc7154a56

  • SSDEEP

    6144:KGy+bnr+2p0yN90QERSilWQs1fiFwqQdcKrObo6czcJVDQvY6iflPOxpJOrtND4h:CMruy90HSil5s16yMbl+xHslOpMzKL1

Malware Config

Extracted

Family

redline

Botnet

crazy

C2

83.97.73.129:19068

Attributes
  • auth_value

    66bc4d9682ea090eef64a299ece12fdd

Extracted

Family

redline

Botnet

muha

C2

83.97.73.129:19068

Attributes
  • auth_value

    3c237e5fecb41481b7af249e79828a46

Signatures

  • Detects Healer an antivirus disabler dropper 1 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • 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 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f25337a343c26cdecd99eb7f095938fd24fb233463a8af3fa69acc5201eed956.exe
    "C:\Users\Admin\AppData\Local\Temp\f25337a343c26cdecd99eb7f095938fd24fb233463a8af3fa69acc5201eed956.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0633454.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0633454.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5056
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9751033.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9751033.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4304
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
          4⤵
            PID:2004
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 148
            4⤵
            • Program crash
            PID:1560
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2585981.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2585981.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1364
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
            4⤵
            • Modifies Windows Defender Real-time Protection settings
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3656
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1364 -s 608
            4⤵
            • Program crash
            PID:2764
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c2700905.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c2700905.exe
        2⤵
        • Executes dropped EXE
        PID:4580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4304 -ip 4304
      1⤵
        PID:4616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1364 -ip 1364
        1⤵
          PID:3384
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe start wuauserv
          1⤵
          • Launches sc.exe
          PID:1940

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Persistence

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Modify Registry

        2
        T1112

        Impair Defenses

        1
        T1562

        Disable or Modify Tools

        1
        T1562.001

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c2700905.exe
          Filesize

          172KB

          MD5

          3722a3e958832f918370e3491d62d642

          SHA1

          86d28aa415f98a3ffa95279b4ac521e96ab8131a

          SHA256

          fc953ae5ccb8716ad6fa4b015596e010272dc5095fb5cf36fc1fe1ac7ca39db9

          SHA512

          510caffa854da75b5cef2b52ef61dee6670fc684c090911b9bf51678c68144e3f83a2ca2b43364abd0619c6742c03b9f68f29f91d6bb6259c49fc2b8bbaeb791

        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0633454.exe
          Filesize

          280KB

          MD5

          7df1e56d4c1a1612ee126463fcf8ceb4

          SHA1

          774ab26898cfa2ace41b0d5fa53538d318e0fa57

          SHA256

          a62a548ffb1dcb9166d2336968bea9011a44039f391a1a7ef70364f4a0e131a0

          SHA512

          a84427f66c991496b014e82a1e52a969da9b627d6dfebdb93b74acdda4907df02b7b7d17b25cb732999e4a01e7f6e327be630b93b6dd6c55ed78e3d920ccae15

        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9751033.exe
          Filesize

          302KB

          MD5

          c0e3f771bcbb789d734e7d3e1b1f4e65

          SHA1

          02e6e5e508188955181ac98bb1b9c414d2c1aa9e

          SHA256

          53b6f1fa7f2466210d99ea5bba427014f08b5656339d05d1dc0d120b7c6a3b02

          SHA512

          c983b76772a50aece42107a39c828abfa768fc33c8865df73de57e1beca2919e8cc7b8afe1d5ae3e7556273519e311d5e49ed6d52eaf895c3c3d7c34608d2118

        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2585981.exe
          Filesize

          141KB

          MD5

          cd5a529d645436b72dc72ebc19950ef3

          SHA1

          5f571b5fce5b5e210e812e28dad02b80bb1f5d80

          SHA256

          887d08bb7735494fa22a46935055d0c2d612f70e97ecdd07bccf427d8e49efa3

          SHA512

          b314a9d61340e1cafd67aef45b5151721a6100ca0f7d6ec787e4fc4d83d1cdb571cfafcd1cc1cee681f3016bfb3fc8074681633607221711163e7da2c2e6b123

        • memory/2004-22-0x0000000004D50000-0x0000000004E5A000-memory.dmp
          Filesize

          1.0MB

        • memory/2004-21-0x0000000005260000-0x0000000005878000-memory.dmp
          Filesize

          6.1MB

        • memory/2004-20-0x0000000004AC0000-0x0000000004AC6000-memory.dmp
          Filesize

          24KB

        • memory/2004-23-0x0000000004C40000-0x0000000004C52000-memory.dmp
          Filesize

          72KB

        • memory/2004-24-0x0000000004CA0000-0x0000000004CDC000-memory.dmp
          Filesize

          240KB

        • memory/2004-28-0x0000000004CE0000-0x0000000004D2C000-memory.dmp
          Filesize

          304KB

        • memory/2004-14-0x0000000000500000-0x0000000000530000-memory.dmp
          Filesize

          192KB

        • memory/3656-29-0x0000000000400000-0x000000000040A000-memory.dmp
          Filesize

          40KB

        • memory/4304-19-0x0000000000F77000-0x0000000000F78000-memory.dmp
          Filesize

          4KB

        • memory/4580-37-0x0000000000990000-0x00000000009C0000-memory.dmp
          Filesize

          192KB

        • memory/4580-38-0x0000000002B20000-0x0000000002B26000-memory.dmp
          Filesize

          24KB