Analysis

  • max time kernel
    82s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2023 01:37

General

  • Target

    1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe

  • Size

    1.3MB

  • MD5

    5d86018377d9cf83e6e2c08fd9fd60d3

  • SHA1

    3ae1897f221aa5893f8aff0bfd79666f8ba2236f

  • SHA256

    1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3

  • SHA512

    d2ea45f5f6aa1561468ff5657d6b9cfc1fe3168621dde2706423cf26c12a8c5a0fa920275bc2a7294d341e39da71493975b0c4632701d4629966b1a058b52fb7

  • SSDEEP

    24576:YkzJBUqX3qbkN6s2P2VElQJyNmXy76p7ZUgSb2H8KZ/L2zZnJf+MCFL3:YkNBH16sVOy0NmXIgSudT2teL

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 2 IoCs

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

  • Executes dropped EXE 4 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 2 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 behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe
    "C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3360
    • C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe
      "C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4852
      • C:\Users\Admin\AppData\Roaming\frankdan.exe
        "C:\Users\Admin\AppData\Roaming\frankdan.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3684
    • 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:4388
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:4584
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:4572
        • 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:4132
          • 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:3480
            • 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:4084
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
          2⤵
            PID:4860
          • 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:100
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            2⤵
              PID:3808
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
            1⤵
            • Creates scheduled task(s)
            PID:2624
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            1⤵
            • Executes dropped EXE
            PID:2308
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
                PID:4448
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                2⤵
                  PID:4772
                • 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⤵
                    PID:3184

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3.exe.log

                  Filesize

                  226B

                  MD5

                  916851e072fbabc4796d8916c5131092

                  SHA1

                  d48a602229a690c512d5fdaf4c8d77547a88e7a2

                  SHA256

                  7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

                  SHA512

                  07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

                • 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\frankdan.exe

                  Filesize

                  247KB

                  MD5

                  e254aed552568e13df13e204adcb8011

                  SHA1

                  18deaf67ac2a3ae2be3d3e620f650cb6edcba92a

                  SHA256

                  23b22ca7ca4272afba9114cc3da4316c38c2407574cb1649aa549c9a7e792ae5

                  SHA512

                  f89aa1487f6c1c2e9a3b76de8137b56da65c1d2df6f40439c0da4726478a11fbea83f7c3ad0530e12a1fb0cd808062d8f2a915879c0d5e210f3340138ace8c3f

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

                  Filesize

                  247KB

                  MD5

                  e254aed552568e13df13e204adcb8011

                  SHA1

                  18deaf67ac2a3ae2be3d3e620f650cb6edcba92a

                  SHA256

                  23b22ca7ca4272afba9114cc3da4316c38c2407574cb1649aa549c9a7e792ae5

                  SHA512

                  f89aa1487f6c1c2e9a3b76de8137b56da65c1d2df6f40439c0da4726478a11fbea83f7c3ad0530e12a1fb0cd808062d8f2a915879c0d5e210f3340138ace8c3f

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

                  Filesize

                  247KB

                  MD5

                  e254aed552568e13df13e204adcb8011

                  SHA1

                  18deaf67ac2a3ae2be3d3e620f650cb6edcba92a

                  SHA256

                  23b22ca7ca4272afba9114cc3da4316c38c2407574cb1649aa549c9a7e792ae5

                  SHA512

                  f89aa1487f6c1c2e9a3b76de8137b56da65c1d2df6f40439c0da4726478a11fbea83f7c3ad0530e12a1fb0cd808062d8f2a915879c0d5e210f3340138ace8c3f

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

                  Filesize

                  1.3MB

                  MD5

                  5d86018377d9cf83e6e2c08fd9fd60d3

                  SHA1

                  3ae1897f221aa5893f8aff0bfd79666f8ba2236f

                  SHA256

                  1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3

                  SHA512

                  d2ea45f5f6aa1561468ff5657d6b9cfc1fe3168621dde2706423cf26c12a8c5a0fa920275bc2a7294d341e39da71493975b0c4632701d4629966b1a058b52fb7

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

                  Filesize

                  1.3MB

                  MD5

                  5d86018377d9cf83e6e2c08fd9fd60d3

                  SHA1

                  3ae1897f221aa5893f8aff0bfd79666f8ba2236f

                  SHA256

                  1c1a28fdaac92ef8a7f6032dd94cdc56a690fc78c99910a5b78709435ea992f3

                  SHA512

                  d2ea45f5f6aa1561468ff5657d6b9cfc1fe3168621dde2706423cf26c12a8c5a0fa920275bc2a7294d341e39da71493975b0c4632701d4629966b1a058b52fb7

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

                  Filesize

                  697KB

                  MD5

                  7308db6221a253ffc433adf1a317908a

                  SHA1

                  0be02c765a16cb7d1bf2470ec918b36fdd29b7fe

                  SHA256

                  f4be58947e3f93ffcf9ee3ad3e6d048a838001638ae19f6a18d2ebc27697df99

                  SHA512

                  ff3cc5f3dfb7e6fa376da95fa9d31c38175922a11722ae0e407e629715450db5a427d524b7c54e6cd02d3a163facc8ac4020de0d0cd7dbdf8dd1948125ff1231

                • memory/2308-55-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2308-54-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3360-4-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3360-1-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3360-6-0x0000000005340000-0x00000000054A0000-memory.dmp

                  Filesize

                  1.4MB

                • memory/3360-5-0x0000000002BC0000-0x0000000002BD0000-memory.dmp

                  Filesize

                  64KB

                • memory/3360-2-0x0000000005600000-0x0000000005BA4000-memory.dmp

                  Filesize

                  5.6MB

                • memory/3360-39-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3360-0-0x0000000000580000-0x00000000006D0000-memory.dmp

                  Filesize

                  1.3MB

                • memory/3360-3-0x0000000002BC0000-0x0000000002BD0000-memory.dmp

                  Filesize

                  64KB

                • memory/3684-47-0x0000000006740000-0x00000000067D2000-memory.dmp

                  Filesize

                  584KB

                • memory/3684-36-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3684-44-0x0000000004CE0000-0x0000000004D46000-memory.dmp

                  Filesize

                  408KB

                • memory/3684-45-0x00000000065B0000-0x0000000006600000-memory.dmp

                  Filesize

                  320KB

                • memory/3684-46-0x00000000066A0000-0x000000000673C000-memory.dmp

                  Filesize

                  624KB

                • memory/3684-38-0x00000000002E0000-0x0000000000324000-memory.dmp

                  Filesize

                  272KB

                • memory/3684-48-0x0000000006680000-0x000000000668A000-memory.dmp

                  Filesize

                  40KB

                • memory/3684-49-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3684-43-0x0000000004E00000-0x0000000004E10000-memory.dmp

                  Filesize

                  64KB

                • memory/3684-51-0x0000000004E00000-0x0000000004E10000-memory.dmp

                  Filesize

                  64KB

                • memory/4388-50-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4388-34-0x0000000000200000-0x00000000002A2000-memory.dmp

                  Filesize

                  648KB

                • memory/4388-40-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4388-56-0x00000000054F0000-0x000000000551C000-memory.dmp

                  Filesize

                  176KB

                • memory/4388-62-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4584-57-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/4584-61-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4584-65-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4852-11-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4852-37-0x0000000074C60000-0x0000000075410000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4852-7-0x0000000000400000-0x0000000000466000-memory.dmp

                  Filesize

                  408KB

                • memory/4852-9-0x0000000002820000-0x0000000002828000-memory.dmp

                  Filesize

                  32KB