Analysis

  • max time kernel
    129s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 11:23

General

  • Target

    4110933fe032350468c29329959cb10fc54704a2ec7af1e71155202a337aee6d_JC.exe

  • Size

    807KB

  • MD5

    01973f09014fee62754ea67861264da5

  • SHA1

    d8b34971917d38fe2b097604325e277a3c23ebb3

  • SHA256

    4110933fe032350468c29329959cb10fc54704a2ec7af1e71155202a337aee6d

  • SHA512

    90f444be2ec94092030359a06b9a790b580a1cd3c13f98add7b0012144f65c01b091129165db4f2374a52f74c9a7c2e7e332661fe76481f2de392b4a77079ee9

  • SSDEEP

    12288:d1F0ILW7uyIdVhDGoTkjg7vSMePpL71uFYD0kIy0MWaP7anc1Z:10IeIdDxe1PpLpsumD5aDGc1

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.royalcheckout.store/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    esubwDViXlQ2@@##

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4110933fe032350468c29329959cb10fc54704a2ec7af1e71155202a337aee6d_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\4110933fe032350468c29329959cb10fc54704a2ec7af1e71155202a337aee6d_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\4110933fe032350468c29329959cb10fc54704a2ec7af1e71155202a337aee6d_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\4110933fe032350468c29329959cb10fc54704a2ec7af1e71155202a337aee6d_JC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 1452
        3⤵
        • Program crash
        PID:2804
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2936
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        PID:4896
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
        3⤵
          PID:228
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2076
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
            4⤵
            • Creates scheduled task(s)
            PID:1264
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
          3⤵
            PID:2120
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\4110933fe032350468c29329959cb10fc54704a2ec7af1e71155202a337aee6d_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
          2⤵
            PID:3360
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1780
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
              3⤵
              • Creates scheduled task(s)
              PID:768
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            2⤵
              PID:1368
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2716 -ip 2716
            1⤵
              PID:564
            • C:\Users\Admin\AppData\Roaming\avast\avast.exe
              C:\Users\Admin\AppData\Roaming\avast\avast.exe
              1⤵
              • Executes dropped EXE
              PID:4440

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log

              Filesize

              520B

              MD5

              03febbff58da1d3318c31657d89c8542

              SHA1

              c9e017bd9d0a4fe533795b227c855935d86c2092

              SHA256

              5164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4

              SHA512

              3750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3

            • C:\Users\Admin\AppData\Local\Temp\svchost.exe

              Filesize

              621KB

              MD5

              ed9d91fe584d5109d4067734ac452753

              SHA1

              c277e57866833509d94787fc6f4d634a2714825d

              SHA256

              3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

              SHA512

              a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

            • C:\Users\Admin\AppData\Local\Temp\svchost.exe

              Filesize

              621KB

              MD5

              ed9d91fe584d5109d4067734ac452753

              SHA1

              c277e57866833509d94787fc6f4d634a2714825d

              SHA256

              3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

              SHA512

              a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

            • C:\Users\Admin\AppData\Local\Temp\svchost.exe

              Filesize

              621KB

              MD5

              ed9d91fe584d5109d4067734ac452753

              SHA1

              c277e57866833509d94787fc6f4d634a2714825d

              SHA256

              3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

              SHA512

              a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

            • C:\Users\Admin\AppData\Local\Temp\svchost.exe

              Filesize

              621KB

              MD5

              ed9d91fe584d5109d4067734ac452753

              SHA1

              c277e57866833509d94787fc6f4d634a2714825d

              SHA256

              3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

              SHA512

              a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

            • C:\Users\Admin\AppData\Roaming\avast\avast.exe

              Filesize

              621KB

              MD5

              ed9d91fe584d5109d4067734ac452753

              SHA1

              c277e57866833509d94787fc6f4d634a2714825d

              SHA256

              3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

              SHA512

              a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

            • C:\Users\Admin\AppData\Roaming\avast\avast.exe

              Filesize

              621KB

              MD5

              ed9d91fe584d5109d4067734ac452753

              SHA1

              c277e57866833509d94787fc6f4d634a2714825d

              SHA256

              3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

              SHA512

              a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

            • memory/2096-3-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/2096-0-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/2096-6-0x0000000005480000-0x0000000005560000-memory.dmp

              Filesize

              896KB

            • memory/2096-5-0x00000000051C0000-0x00000000051D0000-memory.dmp

              Filesize

              64KB

            • memory/2096-4-0x00000000051C0000-0x00000000051D0000-memory.dmp

              Filesize

              64KB

            • memory/2096-29-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/2096-2-0x0000000005780000-0x0000000005D24000-memory.dmp

              Filesize

              5.6MB

            • memory/2096-1-0x0000000000740000-0x000000000080E000-memory.dmp

              Filesize

              824KB

            • memory/2716-9-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/2716-11-0x0000000005B50000-0x0000000005B60000-memory.dmp

              Filesize

              64KB

            • memory/2716-7-0x0000000000400000-0x0000000000426000-memory.dmp

              Filesize

              152KB

            • memory/2716-13-0x0000000005B50000-0x0000000005B60000-memory.dmp

              Filesize

              64KB

            • memory/2716-10-0x00000000057E0000-0x000000000587C000-memory.dmp

              Filesize

              624KB

            • memory/2716-31-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/2716-12-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/2936-32-0x00000000058F0000-0x000000000591C000-memory.dmp

              Filesize

              176KB

            • memory/2936-25-0x00000000005E0000-0x0000000000682000-memory.dmp

              Filesize

              648KB

            • memory/2936-39-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/2936-30-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/2936-26-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/4440-46-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/4896-33-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4896-38-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB

            • memory/4896-37-0x0000000005B30000-0x0000000005BC2000-memory.dmp

              Filesize

              584KB

            • memory/4896-42-0x0000000005FC0000-0x0000000005FCA000-memory.dmp

              Filesize

              40KB

            • memory/4896-43-0x0000000074700000-0x0000000074EB0000-memory.dmp

              Filesize

              7.7MB