Analysis

  • max time kernel
    149s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 10:23

General

  • Target

    b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8.exe

  • Size

    1.1MB

  • MD5

    72f02b6a2b8fd2a73ae8715fcc2323ca

  • SHA1

    d840ba097b8a157a86b823e4132818a122125381

  • SHA256

    b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8

  • SHA512

    c6b6c54e525503f89395fd76be6f54bf2c898c151a32252ac1e4d04cd39f383992726c43e615cfa149777513bc3fc18b8bd5ce4f73f86f179ee70ef9f4e2b847

  • SSDEEP

    24576:CMIwO43ryC3ASF+7Azwr2skstJ6Y2Qc6ZsifO41JdlEQgeGsWML2l:Cu3Ax71rFnJl2Qct8zdltYsW3l

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 8 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 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 1 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\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8.exe
    "C:\Users\Admin\AppData\Local\Temp\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8.exe
      "C:\Users\Admin\AppData\Local\Temp\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Users\Admin\AppData\Roaming\general.exe
        "C:\Users\Admin\AppData\Roaming\general.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:2648
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        PID:2408
      • 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:1616
        • 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:1740
          • 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:1696
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
          3⤵
            PID:1952
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2768
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:2616
            • 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:2632
              • 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:2580
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {ABDB9190-ADE5-43D9-B5AE-7A2DA4747D4D} S-1-5-21-3185155662-718608226-894467740-1000:YETUIZPU\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1808
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2388
              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                3⤵
                • Executes dropped EXE
                PID:2404
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                3⤵
                  PID:948
                • 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
                  3⤵
                    PID:2272
                    • C:\Windows\SysWOW64\schtasks.exe
                      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                      4⤵
                      • Creates scheduled task(s)
                      PID:1336
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                    3⤵
                      PID:1160
                  • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                    C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                    2⤵
                    • Executes dropped EXE
                    PID:372

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • 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\general.exe

                  Filesize

                  167KB

                  MD5

                  f7b54d0ab4c048a115f3d0b55c09ae29

                  SHA1

                  805c5a53e0f985b5e9c1b89f2cdf0e95d419114a

                  SHA256

                  4317a445e0f231494a0f328442153e1d7852cd56577fe22042dc030908a2200c

                  SHA512

                  1f72c74776ae9219a764ad16bc6fe62afdb97a2be45c26b116ad400a08e81fb13118c16ec8014635bdc31ff387bc7806e154b2f9c74b26878339a97a4659e700

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

                  Filesize

                  167KB

                  MD5

                  f7b54d0ab4c048a115f3d0b55c09ae29

                  SHA1

                  805c5a53e0f985b5e9c1b89f2cdf0e95d419114a

                  SHA256

                  4317a445e0f231494a0f328442153e1d7852cd56577fe22042dc030908a2200c

                  SHA512

                  1f72c74776ae9219a764ad16bc6fe62afdb97a2be45c26b116ad400a08e81fb13118c16ec8014635bdc31ff387bc7806e154b2f9c74b26878339a97a4659e700

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

                  Filesize

                  1.1MB

                  MD5

                  72f02b6a2b8fd2a73ae8715fcc2323ca

                  SHA1

                  d840ba097b8a157a86b823e4132818a122125381

                  SHA256

                  b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8

                  SHA512

                  c6b6c54e525503f89395fd76be6f54bf2c898c151a32252ac1e4d04cd39f383992726c43e615cfa149777513bc3fc18b8bd5ce4f73f86f179ee70ef9f4e2b847

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

                  Filesize

                  1.1MB

                  MD5

                  72f02b6a2b8fd2a73ae8715fcc2323ca

                  SHA1

                  d840ba097b8a157a86b823e4132818a122125381

                  SHA256

                  b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8

                  SHA512

                  c6b6c54e525503f89395fd76be6f54bf2c898c151a32252ac1e4d04cd39f383992726c43e615cfa149777513bc3fc18b8bd5ce4f73f86f179ee70ef9f4e2b847

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

                  Filesize

                  1.1MB

                  MD5

                  72f02b6a2b8fd2a73ae8715fcc2323ca

                  SHA1

                  d840ba097b8a157a86b823e4132818a122125381

                  SHA256

                  b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8

                  SHA512

                  c6b6c54e525503f89395fd76be6f54bf2c898c151a32252ac1e4d04cd39f383992726c43e615cfa149777513bc3fc18b8bd5ce4f73f86f179ee70ef9f4e2b847

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

                  Filesize

                  1.1MB

                  MD5

                  72f02b6a2b8fd2a73ae8715fcc2323ca

                  SHA1

                  d840ba097b8a157a86b823e4132818a122125381

                  SHA256

                  b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8

                  SHA512

                  c6b6c54e525503f89395fd76be6f54bf2c898c151a32252ac1e4d04cd39f383992726c43e615cfa149777513bc3fc18b8bd5ce4f73f86f179ee70ef9f4e2b847

                • \Users\Admin\AppData\Local\Temp\svchost.exe

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

                • \Users\Admin\AppData\Local\Temp\svchost.exe

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

                • \Users\Admin\AppData\Roaming\general.exe

                  Filesize

                  167KB

                  MD5

                  f7b54d0ab4c048a115f3d0b55c09ae29

                  SHA1

                  805c5a53e0f985b5e9c1b89f2cdf0e95d419114a

                  SHA256

                  4317a445e0f231494a0f328442153e1d7852cd56577fe22042dc030908a2200c

                  SHA512

                  1f72c74776ae9219a764ad16bc6fe62afdb97a2be45c26b116ad400a08e81fb13118c16ec8014635bdc31ff387bc7806e154b2f9c74b26878339a97a4659e700

                • memory/372-109-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/372-110-0x00000000001F0000-0x000000000031A000-memory.dmp

                  Filesize

                  1.2MB

                • memory/372-111-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1732-4-0x0000000001130000-0x0000000001170000-memory.dmp

                  Filesize

                  256KB

                • memory/1732-39-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1732-1-0x0000000001220000-0x000000000134A000-memory.dmp

                  Filesize

                  1.2MB

                • memory/1732-2-0x0000000001130000-0x0000000001170000-memory.dmp

                  Filesize

                  256KB

                • memory/1732-3-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1732-0-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1732-5-0x0000000000FD0000-0x000000000110A000-memory.dmp

                  Filesize

                  1.2MB

                • memory/2004-19-0x00000000003F0000-0x00000000003F8000-memory.dmp

                  Filesize

                  32KB

                • memory/2004-6-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2004-29-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2004-8-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2004-9-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2004-18-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2004-17-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2004-15-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2004-7-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2004-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2004-12-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/2388-51-0x0000000000440000-0x0000000000480000-memory.dmp

                  Filesize

                  256KB

                • memory/2388-75-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2388-49-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2388-50-0x0000000000AF0000-0x0000000000C1A000-memory.dmp

                  Filesize

                  1.2MB

                • memory/2388-106-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2388-76-0x0000000000440000-0x0000000000480000-memory.dmp

                  Filesize

                  256KB

                • memory/2404-104-0x0000000000080000-0x00000000000D2000-memory.dmp

                  Filesize

                  328KB

                • memory/2404-101-0x0000000000080000-0x00000000000D2000-memory.dmp

                  Filesize

                  328KB

                • memory/2404-107-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2404-97-0x0000000000080000-0x00000000000D2000-memory.dmp

                  Filesize

                  328KB

                • memory/2404-92-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2404-105-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2408-77-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2408-72-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/2408-62-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2408-60-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/2408-56-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/2408-54-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/2408-73-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2408-74-0x00000000048C0000-0x0000000004900000-memory.dmp

                  Filesize

                  256KB

                • memory/2408-58-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/2408-64-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/2408-67-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/2408-78-0x00000000048C0000-0x0000000004900000-memory.dmp

                  Filesize

                  256KB

                • memory/2648-46-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

                  Filesize

                  256KB

                • memory/2648-43-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2648-42-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

                  Filesize

                  256KB

                • memory/2648-27-0x0000000000AF0000-0x0000000000B20000-memory.dmp

                  Filesize

                  192KB

                • memory/2648-28-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2672-68-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2672-37-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2672-44-0x0000000074030000-0x000000007471E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2672-38-0x0000000004B80000-0x0000000004BC0000-memory.dmp

                  Filesize

                  256KB

                • memory/2672-36-0x0000000000840000-0x00000000008E2000-memory.dmp

                  Filesize

                  648KB

                • memory/2672-52-0x00000000004D0000-0x00000000004FC000-memory.dmp

                  Filesize

                  176KB

                • memory/2672-45-0x0000000004B80000-0x0000000004BC0000-memory.dmp

                  Filesize

                  256KB