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Analysis

  • max time kernel
    124s
  • max time network
    207s
  • 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

    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:1776
    • 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:368
      • 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
        • outlook_office_path
        • outlook_win_path
        PID:5028
      • 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:4288
    • 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:4568
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:2408
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:1148
        • 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:312
          • 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:3976
        • 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:4152
        • 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:4496
          • 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:4000
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            2⤵
              PID:1388
          • 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:3168
          • C:\Users\Admin\AppData\Roaming\avast\avast.exe
            C:\Users\Admin\AppData\Roaming\avast\avast.exe
            1⤵
            • Executes dropped EXE
            PID:4856

          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

            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\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\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/368-7-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB

          • memory/368-9-0x0000000001430000-0x0000000001438000-memory.dmp

            Filesize

            32KB

          • memory/368-49-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/368-10-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1776-6-0x0000000004FC0000-0x00000000050FA000-memory.dmp

            Filesize

            1.2MB

          • memory/1776-52-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1776-5-0x0000000004D40000-0x0000000004D50000-memory.dmp

            Filesize

            64KB

          • memory/1776-0-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1776-4-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1776-3-0x0000000004D40000-0x0000000004D50000-memory.dmp

            Filesize

            64KB

          • memory/1776-2-0x0000000005300000-0x00000000058A4000-memory.dmp

            Filesize

            5.6MB

          • memory/1776-1-0x0000000000310000-0x0000000000442000-memory.dmp

            Filesize

            1.2MB

          • memory/2408-86-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/2408-80-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/2408-78-0x0000000000400000-0x0000000000418000-memory.dmp

            Filesize

            96KB

          • memory/4288-57-0x0000000004B10000-0x0000000004B20000-memory.dmp

            Filesize

            64KB

          • memory/4288-66-0x0000000006070000-0x0000000006102000-memory.dmp

            Filesize

            584KB

          • memory/4288-87-0x0000000004B10000-0x0000000004B20000-memory.dmp

            Filesize

            64KB

          • memory/4288-50-0x00000000002E0000-0x0000000000306000-memory.dmp

            Filesize

            152KB

          • memory/4288-85-0x0000000004B10000-0x0000000004B20000-memory.dmp

            Filesize

            64KB

          • memory/4288-53-0x0000000004BB0000-0x0000000004C4C000-memory.dmp

            Filesize

            624KB

          • memory/4288-62-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/4288-54-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/4288-64-0x0000000005F80000-0x0000000005FD0000-memory.dmp

            Filesize

            320KB

          • memory/4288-65-0x00000000061A0000-0x0000000006362000-memory.dmp

            Filesize

            1.8MB

          • memory/4568-82-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/4568-77-0x0000000006270000-0x000000000629C000-memory.dmp

            Filesize

            176KB

          • memory/4568-61-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/4568-42-0x0000000000F80000-0x0000000001022000-memory.dmp

            Filesize

            648KB

          • memory/4568-51-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/4856-90-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/5028-76-0x00000000064D0000-0x00000000064DA000-memory.dmp

            Filesize

            40KB

          • memory/5028-56-0x0000000004D30000-0x0000000004D40000-memory.dmp

            Filesize

            64KB

          • memory/5028-63-0x0000000004D30000-0x0000000004D40000-memory.dmp

            Filesize

            64KB

          • memory/5028-60-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/5028-55-0x0000000004A20000-0x0000000004A86000-memory.dmp

            Filesize

            408KB

          • memory/5028-46-0x0000000000170000-0x00000000001A0000-memory.dmp

            Filesize

            192KB

          • memory/5028-45-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB