Analysis

  • max time kernel
    63s
  • max time network
    79s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2023 16:06

General

  • Target

    2dfe662fdf9cdb98f44cb0307188837be6b3e8aacace0b1725b95def11519dc0_JC.exe

  • Size

    1.3MB

  • MD5

    eaf2b6671ec5dded98f2a7fe6aa603c7

  • SHA1

    cfc3b9d144916a24f89219487abaf3fe33c6eb11

  • SHA256

    2dfe662fdf9cdb98f44cb0307188837be6b3e8aacace0b1725b95def11519dc0

  • SHA512

    421a8ee4412c17f7325f0c895e23c89afe19eb0db17a866678043442f94e4117281e69eb80f708eeb473039b3b5da576e84c1b59946123bebe1b20eede17a20e

  • SSDEEP

    24576:dA86BOzKx1EfrvUYZCVZTui+e0+rEITX0BZMnjYtpISZOnzwp:dioWvEYVVZTSB+rEITEBZMnjYjZc

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.royalcheckout.store
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    esubwDViXlQ2@@##

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

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

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2dfe662fdf9cdb98f44cb0307188837be6b3e8aacace0b1725b95def11519dc0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2dfe662fdf9cdb98f44cb0307188837be6b3e8aacace0b1725b95def11519dc0_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4164
    • C:\Users\Admin\AppData\Local\Temp\2dfe662fdf9cdb98f44cb0307188837be6b3e8aacace0b1725b95def11519dc0_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\2dfe662fdf9cdb98f44cb0307188837be6b3e8aacace0b1725b95def11519dc0_JC.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\Users\Admin\AppData\Roaming\johnny10121.exe
        "C:\Users\Admin\AppData\Roaming\johnny10121.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:1064
        • C:\Users\Admin\AppData\Local\Temp\svchost.exe
          "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
          4⤵
          • Executes dropped EXE
          PID:3784
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      PID:4708
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
          PID:4660
        • 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:2252
          • 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⤵
              PID:4496
              • 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:4464
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
              3⤵
                PID:1668
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\2dfe662fdf9cdb98f44cb0307188837be6b3e8aacace0b1725b95def11519dc0_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
                PID:1516
              • 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:400
                • 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:4456
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                2⤵
                  PID:1028
              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                1⤵
                  PID:3748

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2dfe662fdf9cdb98f44cb0307188837be6b3e8aacace0b1725b95def11519dc0_JC.exe.log

                  Filesize

                  226B

                  MD5

                  916851e072fbabc4796d8916c5131092

                  SHA1

                  d48a602229a690c512d5fdaf4c8d77547a88e7a2

                  SHA256

                  7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

                  SHA512

                  07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

                • 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\Local\Temp\svchost.exe

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

                • C:\Users\Admin\AppData\Roaming\johnny10121.exe

                  Filesize

                  247KB

                  MD5

                  57130659d8e013ff29d209463a6db444

                  SHA1

                  1d83d5a93d9f5562c4a76584ae99b56060a665e6

                  SHA256

                  701898d92c23d00fd9911e7e63c4b8c6ab9009304e189ff8b30603063c908af2

                  SHA512

                  d5a1f2e3a864f842ca3b59ef632dcaba727a590bacecdb9238c80b2ecb61db386b70caf8f9151eb6c0c137fb307d99c24fbb037c5cb003e3a193fe335e0ced52

                • C:\Users\Admin\AppData\Roaming\johnny10121.exe

                  Filesize

                  247KB

                  MD5

                  57130659d8e013ff29d209463a6db444

                  SHA1

                  1d83d5a93d9f5562c4a76584ae99b56060a665e6

                  SHA256

                  701898d92c23d00fd9911e7e63c4b8c6ab9009304e189ff8b30603063c908af2

                  SHA512

                  d5a1f2e3a864f842ca3b59ef632dcaba727a590bacecdb9238c80b2ecb61db386b70caf8f9151eb6c0c137fb307d99c24fbb037c5cb003e3a193fe335e0ced52

                • C:\Users\Admin\AppData\Roaming\johnny10121.exe

                  Filesize

                  247KB

                  MD5

                  57130659d8e013ff29d209463a6db444

                  SHA1

                  1d83d5a93d9f5562c4a76584ae99b56060a665e6

                  SHA256

                  701898d92c23d00fd9911e7e63c4b8c6ab9009304e189ff8b30603063c908af2

                  SHA512

                  d5a1f2e3a864f842ca3b59ef632dcaba727a590bacecdb9238c80b2ecb61db386b70caf8f9151eb6c0c137fb307d99c24fbb037c5cb003e3a193fe335e0ced52

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

                  Filesize

                  704KB

                  MD5

                  cf114713efec761679d89530642de26a

                  SHA1

                  76952f8a7aca5743db562ef957336cfaabcb8bfe

                  SHA256

                  aae608a1eb2d0e2ceb5d3fd23d1bfeb1428d17cced9ddd39b909c281a50525b3

                  SHA512

                  13511c457b994b6780116ae4ac974ed1c69c699315ea35483bbe600c673d28b6c3d132126b3569414da4194a84b75a02d8d9e5c542843b55c9f89818ae6b790c

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

                  Filesize

                  64KB

                  MD5

                  6fb4b6daeb79431a6c40d02f1a0a71dd

                  SHA1

                  7e20674b111dc3c1bf385f5fb0ce77f089b679df

                  SHA256

                  3802d4778e14254865447960d7330f847539c22a2c78852d3f7d25c9d5d79da4

                  SHA512

                  0fd1e6a456d033694456509b6ea7535f5b2a71b61f27814319bcbd944c0457e841a56e37c2732ba95746061aab680fe767b65e85ded7d710229f49a35bc17339

                • memory/1064-49-0x0000000006E50000-0x0000000006EA0000-memory.dmp

                  Filesize

                  320KB

                • memory/1064-44-0x00000000054F0000-0x0000000005556000-memory.dmp

                  Filesize

                  408KB

                • memory/1064-52-0x0000000007170000-0x000000000717A000-memory.dmp

                  Filesize

                  40KB

                • memory/1064-38-0x0000000000A60000-0x0000000000AA4000-memory.dmp

                  Filesize

                  272KB

                • memory/1064-51-0x0000000006FE0000-0x0000000007072000-memory.dmp

                  Filesize

                  584KB

                • memory/1064-50-0x0000000006F40000-0x0000000006FDC000-memory.dmp

                  Filesize

                  624KB

                • memory/1064-47-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1064-36-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1064-43-0x00000000053B0000-0x00000000053C0000-memory.dmp

                  Filesize

                  64KB

                • memory/2544-9-0x0000000001310000-0x0000000001318000-memory.dmp

                  Filesize

                  32KB

                • memory/2544-37-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2544-10-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2544-7-0x0000000000400000-0x0000000000466000-memory.dmp

                  Filesize

                  408KB

                • memory/3784-46-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3784-53-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4164-2-0x0000000005860000-0x0000000005E04000-memory.dmp

                  Filesize

                  5.6MB

                • memory/4164-1-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4164-3-0x00000000052A0000-0x00000000052B0000-memory.dmp

                  Filesize

                  64KB

                • memory/4164-6-0x0000000005520000-0x0000000005680000-memory.dmp

                  Filesize

                  1.4MB

                • memory/4164-0-0x0000000000720000-0x0000000000870000-memory.dmp

                  Filesize

                  1.3MB

                • memory/4164-4-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4164-39-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4164-5-0x00000000052A0000-0x00000000052B0000-memory.dmp

                  Filesize

                  64KB

                • memory/4660-55-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/4660-58-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4708-35-0x00000000005B0000-0x0000000000652000-memory.dmp

                  Filesize

                  648KB

                • memory/4708-54-0x00000000058B0000-0x00000000058DC000-memory.dmp

                  Filesize

                  176KB

                • memory/4708-59-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4708-40-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4708-48-0x0000000075260000-0x0000000075A10000-memory.dmp

                  Filesize

                  7.7MB