Analysis

  • max time kernel
    161s
  • max time network
    171s
  • 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 14:27

General

  • Target

    docfre20230925.exe

  • Size

    1.1MB

  • MD5

    a00366a3483d1d632223d68c8e6e3f15

  • SHA1

    9d3e8a5526c15408d28ad1af21937020accc5ff2

  • SHA256

    14bf7140553ce01a73ddd0bad30d173a14aa1614ee208b01f7a165969aefdc00

  • SHA512

    8a2579d06efaa4f49e73b50993ddd15728639c3ec73a743939cfcb1e2b46c899386719a0c83aca55891b54d7e639e9099254bc35a4ba1f21f6346934c93a5a24

  • SSDEEP

    24576:6oJkNU2vAuIan9AuMyLSisyKuMYc8u5XMxoZgnb3iPwwxA5MY:6ouFAuB9AuMyLSglMYdCMxoiboU

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.product-secured.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2V8SHFwjad34@@##

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 5 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 6 IoCs
  • Looks up external IP address via web service 3 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 4 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe
    "C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe
      "C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1440
      • C:\Users\Admin\AppData\Roaming\wordd.exe
        "C:\Users\Admin\AppData\Roaming\wordd.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: SetClipboardViewer
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2260
      • C:\Users\Admin\AppData\Roaming\excell.exe
        "C:\Users\Admin\AppData\Roaming\excell.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3280
    • 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:1192
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        PID:2216
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:3480
        • 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:1204
          • 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:1428
        • 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:4932
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:3988
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docfre20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:404
            • 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:2104
              • 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:4524
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            1⤵
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4472
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
                PID:1388
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                2⤵
                  PID:1812
                • 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:2624
                    • 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:3372
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                    2⤵
                      PID:4300

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\docfre20230925.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\excell.exe

                    Filesize

                    125KB

                    MD5

                    43ec0396a28534662958bcc38c56741b

                    SHA1

                    1a4abf29943cc17f8e9ee53ee8eefcb7de97f0f6

                    SHA256

                    6a9cfd26ef1b8bdf0c0027a796712759c60aae96849b7cc0fe375d9e27b714c5

                    SHA512

                    e67614bdc4a3b143d1440e15bbe45364044941a85fdf1e2cf8d212c6d24b560021092565d33385a0150b727f37de52605e49d111d0d45707454352230291e262

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

                    Filesize

                    125KB

                    MD5

                    43ec0396a28534662958bcc38c56741b

                    SHA1

                    1a4abf29943cc17f8e9ee53ee8eefcb7de97f0f6

                    SHA256

                    6a9cfd26ef1b8bdf0c0027a796712759c60aae96849b7cc0fe375d9e27b714c5

                    SHA512

                    e67614bdc4a3b143d1440e15bbe45364044941a85fdf1e2cf8d212c6d24b560021092565d33385a0150b727f37de52605e49d111d0d45707454352230291e262

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

                    Filesize

                    125KB

                    MD5

                    43ec0396a28534662958bcc38c56741b

                    SHA1

                    1a4abf29943cc17f8e9ee53ee8eefcb7de97f0f6

                    SHA256

                    6a9cfd26ef1b8bdf0c0027a796712759c60aae96849b7cc0fe375d9e27b714c5

                    SHA512

                    e67614bdc4a3b143d1440e15bbe45364044941a85fdf1e2cf8d212c6d24b560021092565d33385a0150b727f37de52605e49d111d0d45707454352230291e262

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

                    Filesize

                    167KB

                    MD5

                    d91ed5276218ac3813cb02649798bf1d

                    SHA1

                    f6fe0b97d345b27801d93f4fc63a540a3e87df61

                    SHA256

                    67ab5e2cc0beffd93acfe9597fb67a194945370f7315570a2873427b32d7a5bd

                    SHA512

                    5b0d220a2d408a8e06ca5b0ce8bb6b2f8d9a24885e04fd1278a4ce3350bcbbd6378b96841053928e40ecbd89cc405aa9eff235fba028b37347547cfa74b6358a

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

                    Filesize

                    167KB

                    MD5

                    d91ed5276218ac3813cb02649798bf1d

                    SHA1

                    f6fe0b97d345b27801d93f4fc63a540a3e87df61

                    SHA256

                    67ab5e2cc0beffd93acfe9597fb67a194945370f7315570a2873427b32d7a5bd

                    SHA512

                    5b0d220a2d408a8e06ca5b0ce8bb6b2f8d9a24885e04fd1278a4ce3350bcbbd6378b96841053928e40ecbd89cc405aa9eff235fba028b37347547cfa74b6358a

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

                    Filesize

                    167KB

                    MD5

                    d91ed5276218ac3813cb02649798bf1d

                    SHA1

                    f6fe0b97d345b27801d93f4fc63a540a3e87df61

                    SHA256

                    67ab5e2cc0beffd93acfe9597fb67a194945370f7315570a2873427b32d7a5bd

                    SHA512

                    5b0d220a2d408a8e06ca5b0ce8bb6b2f8d9a24885e04fd1278a4ce3350bcbbd6378b96841053928e40ecbd89cc405aa9eff235fba028b37347547cfa74b6358a

                  • memory/1192-64-0x00000000059B0000-0x00000000059DC000-memory.dmp

                    Filesize

                    176KB

                  • memory/1192-33-0x0000000000580000-0x0000000000622000-memory.dmp

                    Filesize

                    648KB

                  • memory/1192-43-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/1192-72-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/1192-57-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/1388-85-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/1388-87-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/1440-12-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/1440-9-0x0000000001990000-0x0000000001998000-memory.dmp

                    Filesize

                    32KB

                  • memory/1440-8-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/1440-7-0x0000000000400000-0x0000000000452000-memory.dmp

                    Filesize

                    328KB

                  • memory/1440-52-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/2216-65-0x0000000000400000-0x0000000000418000-memory.dmp

                    Filesize

                    96KB

                  • memory/2216-75-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/2216-74-0x0000000006140000-0x000000000614A000-memory.dmp

                    Filesize

                    40KB

                  • memory/2216-67-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/2260-60-0x0000000004FF0000-0x0000000005000000-memory.dmp

                    Filesize

                    64KB

                  • memory/2260-44-0x0000000000910000-0x0000000000940000-memory.dmp

                    Filesize

                    192KB

                  • memory/2260-55-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/2260-56-0x0000000005210000-0x0000000005276000-memory.dmp

                    Filesize

                    408KB

                  • memory/2260-48-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3124-4-0x0000000005230000-0x0000000005240000-memory.dmp

                    Filesize

                    64KB

                  • memory/3124-5-0x0000000005230000-0x0000000005240000-memory.dmp

                    Filesize

                    64KB

                  • memory/3124-1-0x00000000006D0000-0x00000000007F6000-memory.dmp

                    Filesize

                    1.1MB

                  • memory/3124-2-0x00000000057F0000-0x0000000005D94000-memory.dmp

                    Filesize

                    5.6MB

                  • memory/3124-3-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3124-54-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3124-6-0x00000000054B0000-0x00000000055E8000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/3124-0-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3280-63-0x0000000006080000-0x0000000006242000-memory.dmp

                    Filesize

                    1.8MB

                  • memory/3280-49-0x00000000001B0000-0x00000000001D4000-memory.dmp

                    Filesize

                    144KB

                  • memory/3280-62-0x0000000005E60000-0x0000000005EB0000-memory.dmp

                    Filesize

                    320KB

                  • memory/3280-73-0x0000000005F50000-0x0000000005FE2000-memory.dmp

                    Filesize

                    584KB

                  • memory/3280-51-0x0000000004AD0000-0x0000000004B6C000-memory.dmp

                    Filesize

                    624KB

                  • memory/3280-50-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3280-58-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3280-88-0x0000000004D80000-0x0000000004D90000-memory.dmp

                    Filesize

                    64KB

                  • memory/4472-59-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/4472-61-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/4472-86-0x00000000748D0000-0x0000000075080000-memory.dmp

                    Filesize

                    7.7MB