Analysis

  • max time kernel
    53s
  • max time network
    59s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:57

General

  • Target

    c79cadafae0170671029f96a7dde6afb098c4fd1e2757b5ea4ffb1212b27ba76.exe

  • Size

    550KB

  • MD5

    23b88801e2cfc16f67b62ea13d936411

  • SHA1

    68bed86fdbb651a58608d08b72ac8f99776ab1aa

  • SHA256

    c79cadafae0170671029f96a7dde6afb098c4fd1e2757b5ea4ffb1212b27ba76

  • SHA512

    272add9f20b6c8156f166d0e4600d6ba1a9712b3dade0192569b6a71a8e15fd1d0305dacb011dd8d74dfc49f1b129ad54ae6b0105877090ace188334b3475a56

  • SSDEEP

    12288:znGK8Ftodx+4m0I7ecniVFPW38QxTIgiIHWx8tluJPB:zGK8s+4hI7esi7PW3Sg5WxSluJP

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ujuboyos101

Signatures

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • Nirsoft 9 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 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
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c79cadafae0170671029f96a7dde6afb098c4fd1e2757b5ea4ffb1212b27ba76.exe
    "C:\Users\Admin\AppData\Local\Temp\c79cadafae0170671029f96a7dde6afb098c4fd1e2757b5ea4ffb1212b27ba76.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Users\Admin\AppData\Local\Temp\c79cadafae0170671029f96a7dde6afb098c4fd1e2757b5ea4ffb1212b27ba76.exe
      "C:\Users\Admin\AppData\Local\Temp\c79cadafae0170671029f96a7dde6afb098c4fd1e2757b5ea4ffb1212b27ba76.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1104
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\logff.txt
        3⤵
          PID:1220
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 1928
          3⤵
            PID:1660
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\logmail.txt
            3⤵
            • Accesses Microsoft Outlook accounts
            PID:432

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\logff.txt

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • memory/432-102-0x0000000000411654-mapping.dmp

      • memory/432-94-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/432-108-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/432-106-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/432-105-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/432-99-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/432-93-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/432-101-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/432-98-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/432-96-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/868-54-0x0000000075131000-0x0000000075133000-memory.dmp

        Filesize

        8KB

      • memory/868-74-0x0000000073FA0000-0x000000007454B000-memory.dmp

        Filesize

        5.7MB

      • memory/868-56-0x0000000073FA0000-0x000000007454B000-memory.dmp

        Filesize

        5.7MB

      • memory/868-55-0x0000000073FA0000-0x000000007454B000-memory.dmp

        Filesize

        5.7MB

      • memory/1104-65-0x0000000000080000-0x00000000000F6000-memory.dmp

        Filesize

        472KB

      • memory/1104-61-0x0000000000080000-0x00000000000F6000-memory.dmp

        Filesize

        472KB

      • memory/1104-57-0x0000000000080000-0x00000000000F6000-memory.dmp

        Filesize

        472KB

      • memory/1104-107-0x0000000073FA0000-0x000000007454B000-memory.dmp

        Filesize

        5.7MB

      • memory/1104-60-0x0000000000080000-0x00000000000F6000-memory.dmp

        Filesize

        472KB

      • memory/1104-58-0x0000000000080000-0x00000000000F6000-memory.dmp

        Filesize

        472KB

      • memory/1104-63-0x00000000004703EE-mapping.dmp

      • memory/1104-64-0x0000000000080000-0x00000000000F6000-memory.dmp

        Filesize

        472KB

      • memory/1104-69-0x0000000000080000-0x00000000000F6000-memory.dmp

        Filesize

        472KB

      • memory/1104-72-0x0000000000080000-0x00000000000F6000-memory.dmp

        Filesize

        472KB

      • memory/1104-75-0x0000000073FA0000-0x000000007454B000-memory.dmp

        Filesize

        5.7MB

      • memory/1220-76-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1220-77-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1220-89-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1220-88-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1220-79-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1220-85-0x000000000040E758-mapping.dmp

      • memory/1220-84-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1220-82-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1220-81-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1660-90-0x0000000000000000-mapping.dmp