Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2023 13:57

General

  • Target

    charles.exe

  • Size

    515KB

  • MD5

    1bd78136fa8b9e9e63fde92829a9743d

  • SHA1

    c9a07ff3362a68baa159521c6946026e4cc0f17b

  • SHA256

    995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2

  • SHA512

    47b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15

  • SSDEEP

    6144:tZQ1L8X3KA0CJIJr/yl8ntd9wxJA4jLXIwejp9R37+RRmpr2MUX9xRjVJiJxeyBc:fQ1BCJIBd6xXIbjp9RSzsr2FgO

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.product-secured.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    575K5(MaZro2575K5(MaZro2

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Executes dropped EXE 4 IoCs
  • 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 9 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\charles.exe
    "C:\Users\Admin\AppData\Local\Temp\charles.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Users\Admin\AppData\Local\Temp\charles.exe
      "C:\Users\Admin\AppData\Local\Temp\charles.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1960
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
      2⤵
        PID:2724
      • 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:2780
        • 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:2176
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\charles.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
        2⤵
          PID:2760
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {1212B6BC-2C1C-4396-A34D-4E311271E7CA} S-1-5-21-686452656-3203474025-4140627569-1000:UUVOHKNL\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2220
        • 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:1716
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            3⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook profiles
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2024
          • 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⤵
            • Suspicious use of WriteProcessMemory
            PID:2568
            • 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:1936
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            3⤵
              PID:2884
            • 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:1688
            • 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:2864
              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                3⤵
                • Executes dropped EXE
                • Accesses Microsoft Outlook profiles
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • outlook_office_path
                • outlook_win_path
                PID:1068
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                3⤵
                  PID:1108
                • 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:828
                    • 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:588
                  • 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:1552

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  515KB

                  MD5

                  1bd78136fa8b9e9e63fde92829a9743d

                  SHA1

                  c9a07ff3362a68baa159521c6946026e4cc0f17b

                  SHA256

                  995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2

                  SHA512

                  47b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15

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

                  Filesize

                  515KB

                  MD5

                  1bd78136fa8b9e9e63fde92829a9743d

                  SHA1

                  c9a07ff3362a68baa159521c6946026e4cc0f17b

                  SHA256

                  995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2

                  SHA512

                  47b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15

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

                  Filesize

                  515KB

                  MD5

                  1bd78136fa8b9e9e63fde92829a9743d

                  SHA1

                  c9a07ff3362a68baa159521c6946026e4cc0f17b

                  SHA256

                  995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2

                  SHA512

                  47b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15

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

                  Filesize

                  515KB

                  MD5

                  1bd78136fa8b9e9e63fde92829a9743d

                  SHA1

                  c9a07ff3362a68baa159521c6946026e4cc0f17b

                  SHA256

                  995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2

                  SHA512

                  47b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15

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

                  Filesize

                  515KB

                  MD5

                  1bd78136fa8b9e9e63fde92829a9743d

                  SHA1

                  c9a07ff3362a68baa159521c6946026e4cc0f17b

                  SHA256

                  995d7782b47ae9d044a0a1edf76a011241ab941c09af6e8a90eeab23f82225e2

                  SHA512

                  47b43fa93e7da900c8f520a66bbf28af3fc5e5e7185b9735aa27508d9a7498334c649a3380a918969bc9db0b975b7dfd6bb4936260424b906ea291a62795af15

                • memory/1068-68-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1264-3-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1264-5-0x0000000000460000-0x00000000004A4000-memory.dmp

                  Filesize

                  272KB

                • memory/1264-4-0x0000000000420000-0x0000000000460000-memory.dmp

                  Filesize

                  256KB

                • memory/1264-0-0x0000000000F30000-0x0000000000FB6000-memory.dmp

                  Filesize

                  536KB

                • memory/1264-20-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1264-2-0x0000000000420000-0x0000000000460000-memory.dmp

                  Filesize

                  256KB

                • memory/1264-1-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1716-47-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1716-32-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1716-33-0x0000000000E60000-0x0000000000EA0000-memory.dmp

                  Filesize

                  256KB

                • memory/1716-29-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1716-30-0x0000000000E60000-0x0000000000EA0000-memory.dmp

                  Filesize

                  256KB

                • memory/1716-28-0x0000000000F80000-0x0000000001006000-memory.dmp

                  Filesize

                  536KB

                • memory/1960-18-0x0000000000400000-0x0000000000426000-memory.dmp

                  Filesize

                  152KB

                • memory/1960-25-0x0000000000490000-0x00000000004D0000-memory.dmp

                  Filesize

                  256KB

                • memory/1960-14-0x0000000000400000-0x0000000000426000-memory.dmp

                  Filesize

                  152KB

                • memory/1960-24-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1960-23-0x0000000000490000-0x00000000004D0000-memory.dmp

                  Filesize

                  256KB

                • memory/1960-31-0x0000000000490000-0x00000000004D0000-memory.dmp

                  Filesize

                  256KB

                • memory/1960-16-0x0000000000400000-0x0000000000426000-memory.dmp

                  Filesize

                  152KB

                • memory/1960-10-0x0000000000400000-0x0000000000426000-memory.dmp

                  Filesize

                  152KB

                • memory/1960-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/1960-19-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1960-6-0x0000000000400000-0x0000000000426000-memory.dmp

                  Filesize

                  152KB

                • memory/1960-11-0x0000000000400000-0x0000000000426000-memory.dmp

                  Filesize

                  152KB

                • memory/1960-8-0x0000000000400000-0x0000000000426000-memory.dmp

                  Filesize

                  152KB

                • memory/2024-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2024-50-0x0000000004540000-0x0000000004580000-memory.dmp

                  Filesize

                  256KB

                • memory/2024-49-0x0000000004540000-0x0000000004580000-memory.dmp

                  Filesize

                  256KB

                • memory/2024-53-0x0000000004540000-0x0000000004580000-memory.dmp

                  Filesize

                  256KB

                • memory/2024-48-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2024-46-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2864-52-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2864-54-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2864-55-0x0000000000A30000-0x0000000000A74000-memory.dmp

                  Filesize

                  272KB

                • memory/2864-69-0x0000000074310000-0x00000000749FE000-memory.dmp

                  Filesize

                  6.9MB