Analysis

  • max time kernel
    113s
  • max time network
    120s
  • 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 11:15

General

  • Target

    b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8_JC.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 1 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 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 2 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 54 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3752
    • C:\Users\Admin\AppData\Local\Temp\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8_JC.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1416
      • 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 use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1564
    • 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:436
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:4772
      • 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:4088
        • 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:2192
      • 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:3068
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
          3⤵
            PID:2252
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2140
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:1192
            • 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:1184
          • 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:208
          • C:\Users\Admin\AppData\Roaming\avast\avast.exe
            C:\Users\Admin\AppData\Roaming\avast\avast.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:468
            • C:\Users\Admin\AppData\Roaming\avast\avast.exe
              "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
              2⤵
              • Executes dropped EXE
              PID:4692
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
              2⤵
                PID:3640
              • 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
                2⤵
                  PID:3384
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\avast\avast.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
                  2⤵
                    PID:5116

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b0fbd35f04ce341b8e14ad03684aa7a5fbc7525d163f38bf43a0f6041edeb3c8_JC.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\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\general.exe

                  Filesize

                  167KB

                  MD5

                  f7b54d0ab4c048a115f3d0b55c09ae29

                  SHA1

                  805c5a53e0f985b5e9c1b89f2cdf0e95d419114a

                  SHA256

                  4317a445e0f231494a0f328442153e1d7852cd56577fe22042dc030908a2200c

                  SHA512

                  1f72c74776ae9219a764ad16bc6fe62afdb97a2be45c26b116ad400a08e81fb13118c16ec8014635bdc31ff387bc7806e154b2f9c74b26878339a97a4659e700

                • memory/436-33-0x0000000000890000-0x0000000000932000-memory.dmp

                  Filesize

                  648KB

                • memory/436-40-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/436-68-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/436-62-0x0000000005B80000-0x0000000005BAC000-memory.dmp

                  Filesize

                  176KB

                • memory/436-58-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/468-77-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

                  Filesize

                  64KB

                • memory/468-76-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/468-75-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

                  Filesize

                  64KB

                • memory/468-74-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1416-10-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1416-9-0x00000000028E0000-0x00000000028E8000-memory.dmp

                  Filesize

                  32KB

                • memory/1416-7-0x0000000000400000-0x0000000000452000-memory.dmp

                  Filesize

                  328KB

                • memory/1416-37-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1564-57-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1564-44-0x0000000005080000-0x00000000050E6000-memory.dmp

                  Filesize

                  408KB

                • memory/1564-46-0x0000000006B20000-0x0000000006CE2000-memory.dmp

                  Filesize

                  1.8MB

                • memory/1564-56-0x00000000069F0000-0x0000000006A8C000-memory.dmp

                  Filesize

                  624KB

                • memory/1564-38-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1564-36-0x00000000007B0000-0x00000000007E0000-memory.dmp

                  Filesize

                  192KB

                • memory/1564-59-0x0000000006D90000-0x0000000006E22000-memory.dmp

                  Filesize

                  584KB

                • memory/1564-60-0x0000000006B10000-0x0000000006B1A000-memory.dmp

                  Filesize

                  40KB

                • memory/1564-61-0x0000000005110000-0x0000000005120000-memory.dmp

                  Filesize

                  64KB

                • memory/1564-41-0x0000000005110000-0x0000000005120000-memory.dmp

                  Filesize

                  64KB

                • memory/1564-45-0x0000000006900000-0x0000000006950000-memory.dmp

                  Filesize

                  320KB

                • memory/3752-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

                  Filesize

                  5.6MB

                • memory/3752-3-0x00000000056E0000-0x00000000056F0000-memory.dmp

                  Filesize

                  64KB

                • memory/3752-4-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3752-1-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3752-6-0x00000000059A0000-0x0000000005ADA000-memory.dmp

                  Filesize

                  1.2MB

                • memory/3752-39-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3752-5-0x00000000056E0000-0x00000000056F0000-memory.dmp

                  Filesize

                  64KB

                • memory/3752-0-0x0000000000B80000-0x0000000000CAA000-memory.dmp

                  Filesize

                  1.2MB

                • memory/4692-80-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4772-67-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4772-65-0x00000000003E0000-0x00000000003F8000-memory.dmp

                  Filesize

                  96KB

                • memory/4772-71-0x0000000074440000-0x0000000074BF0000-memory.dmp

                  Filesize

                  7.7MB