Analysis

  • max time kernel
    72s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2023 13:57

General

  • Target

    docjhny20230925.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 6 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: SetClipboardViewer 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\docjhny20230925.exe
    "C:\Users\Admin\AppData\Local\Temp\docjhny20230925.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Users\Admin\AppData\Local\Temp\docjhny20230925.exe
      "C:\Users\Admin\AppData\Local\Temp\docjhny20230925.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:5048
      • 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:2104
        • C:\Users\Admin\AppData\Local\Temp\svchost.exe
          "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:5084
          • C:\Users\Admin\AppData\Local\Temp\svchost.exe
            "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: SetClipboardViewer
            PID:212
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
            5⤵
              PID:2548
            • 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
              5⤵
                PID:4556
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
                  6⤵
                  • Creates scheduled task(s)
                  PID:4796
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
                5⤵
                  PID:4484
          • 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:2264
            • C:\Users\Admin\AppData\Local\Temp\svchost.exe
              "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious behavior: SetClipboardViewer
              PID:3136
            • 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:4676
              • 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:1344
                • 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:2920
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
                3⤵
                  PID:2144
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docjhny20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                2⤵
                  PID:1564
                • 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:1776
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                  2⤵
                    PID:1684
                • 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:824
                • C:\Users\Admin\AppData\Roaming\avast\avast.exe
                  C:\Users\Admin\AppData\Roaming\avast\avast.exe
                  1⤵
                  • Executes dropped EXE
                  PID:1200

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\docjhny20230925.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\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

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

                • memory/212-67-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/560-4-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/560-39-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/560-5-0x00000000058F0000-0x0000000005900000-memory.dmp

                  Filesize

                  64KB

                • memory/560-0-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/560-6-0x0000000005B00000-0x0000000005C60000-memory.dmp

                  Filesize

                  1.4MB

                • memory/560-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

                  Filesize

                  5.6MB

                • memory/560-3-0x00000000058F0000-0x0000000005900000-memory.dmp

                  Filesize

                  64KB

                • memory/560-1-0x0000000000D10000-0x0000000000E60000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1200-75-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2104-41-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

                  Filesize

                  64KB

                • memory/2104-44-0x0000000004EB0000-0x0000000004F16000-memory.dmp

                  Filesize

                  408KB

                • memory/2104-36-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2104-47-0x00000000069D0000-0x0000000006A20000-memory.dmp

                  Filesize

                  320KB

                • memory/2104-48-0x0000000006AC0000-0x0000000006B5C000-memory.dmp

                  Filesize

                  624KB

                • memory/2104-49-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2104-37-0x00000000004A0000-0x00000000004E4000-memory.dmp

                  Filesize

                  272KB

                • memory/2104-51-0x0000000006B60000-0x0000000006BF2000-memory.dmp

                  Filesize

                  584KB

                • memory/2104-52-0x0000000006AB0000-0x0000000006ABA000-memory.dmp

                  Filesize

                  40KB

                • memory/2104-53-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

                  Filesize

                  64KB

                • memory/2264-34-0x0000000000AB0000-0x0000000000B52000-memory.dmp

                  Filesize

                  648KB

                • memory/2264-55-0x0000000005DB0000-0x0000000005DDC000-memory.dmp

                  Filesize

                  176KB

                • memory/2264-50-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2264-61-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2264-40-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3136-74-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3136-60-0x00000000003C0000-0x00000000003D8000-memory.dmp

                  Filesize

                  96KB

                • memory/3136-62-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/5048-9-0x0000000003130000-0x0000000003138000-memory.dmp

                  Filesize

                  32KB

                • memory/5048-7-0x0000000000400000-0x0000000000466000-memory.dmp

                  Filesize

                  408KB

                • memory/5048-11-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/5048-38-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/5084-68-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/5084-46-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/5084-54-0x00000000745E0000-0x0000000074D90000-memory.dmp

                  Filesize

                  7.7MB