Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2023 17:31

General

  • Target

    ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe

  • Size

    682KB

  • MD5

    31c0fb555469b0836b447b2e71c8fd74

  • SHA1

    85a52ac681c856927403114207455b1cc42d38a0

  • SHA256

    ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286

  • SHA512

    7d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473

  • SSDEEP

    12288:361tZZr9L7kX0F1CEgkEXQwko3b2VvRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRs:361tZL3kY0EgnXQOL

Malware Config

Extracted

Credentials

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

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 1 IoCs
  • Executes dropped EXE 3 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 6 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 2 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3108
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
      2⤵
        PID:1528
      • 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:3684
        • 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:4716
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
        2⤵
          PID:4876
      • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
        C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1852
        • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
          2⤵
          • 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:3276
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:4364
          • 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:4272
            • 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:4848
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:1724
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            1⤵
            • Executes dropped EXE
            PID:1384

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • 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\Roaming\svchost\svchost.exe

            Filesize

            682KB

            MD5

            31c0fb555469b0836b447b2e71c8fd74

            SHA1

            85a52ac681c856927403114207455b1cc42d38a0

            SHA256

            ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286

            SHA512

            7d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473

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

            Filesize

            682KB

            MD5

            31c0fb555469b0836b447b2e71c8fd74

            SHA1

            85a52ac681c856927403114207455b1cc42d38a0

            SHA256

            ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286

            SHA512

            7d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473

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

            Filesize

            682KB

            MD5

            31c0fb555469b0836b447b2e71c8fd74

            SHA1

            85a52ac681c856927403114207455b1cc42d38a0

            SHA256

            ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286

            SHA512

            7d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473

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

            Filesize

            682KB

            MD5

            31c0fb555469b0836b447b2e71c8fd74

            SHA1

            85a52ac681c856927403114207455b1cc42d38a0

            SHA256

            ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286

            SHA512

            7d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473

          • memory/1384-34-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1536-4-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1536-0-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1536-10-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1536-6-0x0000000005100000-0x0000000005144000-memory.dmp

            Filesize

            272KB

          • memory/1536-5-0x0000000002780000-0x0000000002790000-memory.dmp

            Filesize

            64KB

          • memory/1536-3-0x0000000002780000-0x0000000002790000-memory.dmp

            Filesize

            64KB

          • memory/1536-2-0x00000000053C0000-0x0000000005964000-memory.dmp

            Filesize

            5.6MB

          • memory/1536-1-0x00000000003F0000-0x00000000004A0000-memory.dmp

            Filesize

            704KB

          • memory/1852-31-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1852-26-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/1852-25-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/3108-7-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/3108-16-0x0000000006B20000-0x0000000006CE2000-memory.dmp

            Filesize

            1.8MB

          • memory/3108-22-0x00000000058C0000-0x00000000058D0000-memory.dmp

            Filesize

            64KB

          • memory/3108-20-0x00000000070B0000-0x00000000070BA000-memory.dmp

            Filesize

            40KB

          • memory/3108-19-0x00000000058C0000-0x00000000058D0000-memory.dmp

            Filesize

            64KB

          • memory/3108-18-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/3108-17-0x0000000006CF0000-0x0000000006D82000-memory.dmp

            Filesize

            584KB

          • memory/3108-21-0x00000000058C0000-0x00000000058D0000-memory.dmp

            Filesize

            64KB

          • memory/3108-15-0x0000000006900000-0x0000000006950000-memory.dmp

            Filesize

            320KB

          • memory/3108-9-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/3108-14-0x00000000058C0000-0x00000000058D0000-memory.dmp

            Filesize

            64KB

          • memory/3108-11-0x0000000005630000-0x00000000056CC000-memory.dmp

            Filesize

            624KB

          • memory/3276-32-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB

          • memory/3276-30-0x0000000074BB0000-0x0000000075360000-memory.dmp

            Filesize

            7.7MB