Analysis

  • max time kernel
    80s
  • 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
    26-09-2023 13:55

General

  • Target

    docjos20230925.exe

  • Size

    1.2MB

  • MD5

    f686e6edd1cfdaf9e636d2e38f481a4c

  • SHA1

    27c8dfdcc3635c5a2ce78fb5799b9e6a904cbb88

  • SHA256

    f9d4a03b124e4e3f81270b666d996db400b89bc1b7ce64914e8295685794dea9

  • SHA512

    d79597927b92c47d89f7ecfb0dcb56ac90c960a328ff0907af7d2625a7f406c40e85a41c0428ccba0a9bec8e258d27d308660308327178a9b7c2cdbe523a7ae1

  • SSDEEP

    24576:EZ9L+UmOVerUV8NmnedPvQMI127uvjbim1ujUO4EVzY:EZpsAVnedPs1ZuIND

Malware Config

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 6 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 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 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 5 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe
    "C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe
      "C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4464
      • 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 use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4900
      • 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
        • outlook_office_path
        • outlook_win_path
        PID:4168
    • 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:1884
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:4636
      • 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:4880
        • 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:1428
          • 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:1528
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
          3⤵
            PID:4844
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2320
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docjos20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:4148
            • 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:1964
              • 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:3976
          • C:\Users\Admin\AppData\Roaming\avast\avast.exe
            C:\Users\Admin\AppData\Roaming\avast\avast.exe
            1⤵
            • Executes dropped EXE
            PID:2488

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\docjos20230925.exe.log

            Filesize

            520B

            MD5

            03febbff58da1d3318c31657d89c8542

            SHA1

            c9e017bd9d0a4fe533795b227c855935d86c2092

            SHA256

            5164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4

            SHA512

            3750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3

          • 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

            438KB

            MD5

            ac74b39bd4fe3d915dcc1c999d73dd92

            SHA1

            07a645c4c816d69b7625f035eaf6d96bd61c343f

            SHA256

            6766f7bf685006ad0281300920078f27fcfb6104819996decee6519f37ccd1b8

            SHA512

            e6f3ece346f85a9dfcbdda69764cb11eda752a71bbd8116d9d974cb081970ccf616760d2910271b01413f3eccb8a548522f13db0e1015ba30d13c68198f0c484

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

            Filesize

            64KB

            MD5

            cd7dfd694ff3878631b92f3ba6b86f5e

            SHA1

            74a5619b37da3010acaf4c3c1105cccb7a140bc4

            SHA256

            aa123e766dff13fdec99b335295b523047d4efd3d23552ab583b90b86d95e957

            SHA512

            9f9583e5e70cc502129878d36cc2239f0d283ebdd38646ae6e7f81fe596d7a119ee1be80f3709c04305fd2caf5cd9d373e9c2ea1d92cde6ebd6ac170cd7f8a70

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

            Filesize

            126KB

            MD5

            6da1de019796e8e63db98351f6cad74e

            SHA1

            da7a3211c4708c984a6423a62189730db6298060

            SHA256

            ff7743025a4f740a7fd346353fd5cb1fee055b20170eb11bb20b9cd88c1c5917

            SHA512

            199e0470b7233ea4835226a6d8bb4b7941ad276c8cbb73cff1bce287ffde9e06bdea1c96fb2069b2ca8b6448eb585e3a23054f88b8bb9fd37a4a776136526b18

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

            Filesize

            126KB

            MD5

            6da1de019796e8e63db98351f6cad74e

            SHA1

            da7a3211c4708c984a6423a62189730db6298060

            SHA256

            ff7743025a4f740a7fd346353fd5cb1fee055b20170eb11bb20b9cd88c1c5917

            SHA512

            199e0470b7233ea4835226a6d8bb4b7941ad276c8cbb73cff1bce287ffde9e06bdea1c96fb2069b2ca8b6448eb585e3a23054f88b8bb9fd37a4a776136526b18

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

            Filesize

            126KB

            MD5

            6da1de019796e8e63db98351f6cad74e

            SHA1

            da7a3211c4708c984a6423a62189730db6298060

            SHA256

            ff7743025a4f740a7fd346353fd5cb1fee055b20170eb11bb20b9cd88c1c5917

            SHA512

            199e0470b7233ea4835226a6d8bb4b7941ad276c8cbb73cff1bce287ffde9e06bdea1c96fb2069b2ca8b6448eb585e3a23054f88b8bb9fd37a4a776136526b18

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

            Filesize

            167KB

            MD5

            2aa26daddfd752cc335168e0e0d88036

            SHA1

            e3feb57975b9fe10b0e9eaa65f729fdcd288aea4

            SHA256

            629e12a34d1bc3958117a33d5534f01f4d7dd02da1fa7860a69b214bbcb1f68d

            SHA512

            0634425cbf65d3da7942f298ce12846e0d0aea15a804479b59fddc9fed629f0224fd77b097bff3b3ad85e14d56572c330c5753296c073cdc27e46c183b95ebf4

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

            Filesize

            167KB

            MD5

            2aa26daddfd752cc335168e0e0d88036

            SHA1

            e3feb57975b9fe10b0e9eaa65f729fdcd288aea4

            SHA256

            629e12a34d1bc3958117a33d5534f01f4d7dd02da1fa7860a69b214bbcb1f68d

            SHA512

            0634425cbf65d3da7942f298ce12846e0d0aea15a804479b59fddc9fed629f0224fd77b097bff3b3ad85e14d56572c330c5753296c073cdc27e46c183b95ebf4

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

            Filesize

            167KB

            MD5

            2aa26daddfd752cc335168e0e0d88036

            SHA1

            e3feb57975b9fe10b0e9eaa65f729fdcd288aea4

            SHA256

            629e12a34d1bc3958117a33d5534f01f4d7dd02da1fa7860a69b214bbcb1f68d

            SHA512

            0634425cbf65d3da7942f298ce12846e0d0aea15a804479b59fddc9fed629f0224fd77b097bff3b3ad85e14d56572c330c5753296c073cdc27e46c183b95ebf4

          • memory/608-5-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            Filesize

            64KB

          • memory/608-48-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/608-6-0x0000000005010000-0x000000000514A000-memory.dmp

            Filesize

            1.2MB

          • memory/608-4-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/608-3-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            Filesize

            64KB

          • memory/608-0-0x0000000000260000-0x0000000000392000-memory.dmp

            Filesize

            1.2MB

          • memory/608-2-0x0000000005350000-0x00000000058F4000-memory.dmp

            Filesize

            5.6MB

          • memory/608-1-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/1884-41-0x0000000000500000-0x00000000005A2000-memory.dmp

            Filesize

            648KB

          • memory/1884-47-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/1884-83-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/1884-77-0x0000000005800000-0x000000000582C000-memory.dmp

            Filesize

            176KB

          • memory/1884-72-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/4168-50-0x0000000000C60000-0x0000000000C86000-memory.dmp

            Filesize

            152KB

          • memory/4168-87-0x00000000057D0000-0x00000000057E0000-memory.dmp

            Filesize

            64KB

          • memory/4168-55-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/4168-54-0x0000000005580000-0x000000000561C000-memory.dmp

            Filesize

            624KB

          • memory/4168-58-0x00000000057D0000-0x00000000057E0000-memory.dmp

            Filesize

            64KB

          • memory/4168-76-0x00000000057D0000-0x00000000057E0000-memory.dmp

            Filesize

            64KB

          • memory/4168-75-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/4464-49-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/4464-10-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/4464-9-0x0000000005220000-0x0000000005228000-memory.dmp

            Filesize

            32KB

          • memory/4464-7-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB

          • memory/4636-86-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/4636-82-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/4636-81-0x0000000000830000-0x0000000000848000-memory.dmp

            Filesize

            96KB

          • memory/4900-74-0x0000000005950000-0x0000000005960000-memory.dmp

            Filesize

            64KB

          • memory/4900-52-0x0000000005840000-0x00000000058A6000-memory.dmp

            Filesize

            408KB

          • memory/4900-46-0x0000000000F30000-0x0000000000F60000-memory.dmp

            Filesize

            192KB

          • memory/4900-51-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/4900-73-0x0000000074B90000-0x0000000075340000-memory.dmp

            Filesize

            7.7MB

          • memory/4900-71-0x0000000007280000-0x000000000728A000-memory.dmp

            Filesize

            40KB

          • memory/4900-53-0x0000000005950000-0x0000000005960000-memory.dmp

            Filesize

            64KB

          • memory/4900-70-0x0000000007510000-0x00000000075A2000-memory.dmp

            Filesize

            584KB

          • memory/4900-60-0x00000000072A0000-0x0000000007462000-memory.dmp

            Filesize

            1.8MB

          • memory/4900-59-0x0000000007080000-0x00000000070D0000-memory.dmp

            Filesize

            320KB