Analysis

  • max time kernel
    122s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2024, 13:20

General

  • Target

    d39cd2526b63d2734e9a9549f9c4496c.exe

  • Size

    24KB

  • MD5

    d39cd2526b63d2734e9a9549f9c4496c

  • SHA1

    f020870fbd682e4742ceea6267d4161291b878ec

  • SHA256

    a602959e83994fac4374a6b3170fffe7f62b6b8b829575b0a300c9c991c77ff6

  • SHA512

    adb6ec98c2a06d09d087be649ebde39b446847f0f8b45bade3e7914a95f1d3fb9d880dd0079c2fbe4e74629a345770c54c9fc771e396df3999b441a1eb7851c2

  • SSDEEP

    384:E3eVES+/xwGkRKJilM61qmTTMVF9/q58n0:bGS+ZfbJiO8qYoAf

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d39cd2526b63d2734e9a9549f9c4496c.exe
    "C:\Users\Admin\AppData\Local\Temp\d39cd2526b63d2734e9a9549f9c4496c.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2172
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:1720
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:2700
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2964
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2584
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:2600
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2648

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        8KB

        MD5

        732d659890ec122cbc85cbf4a3d603a1

        SHA1

        c0805ae2dc9c532b1f3e29c74c1f9c01ea6a1fff

        SHA256

        fc1f8a023e5d57ee8b3ea5f5b1830baa249f8da77fab3b49fcebde57be2b52f9

        SHA512

        7b220ad1b187812ef1d96e2acf8d12e27cbe78e901ba516c5df747e3a935f5e5e644142f2c47fc4cde0e8bcb9fbfae46d5e255731807aae67e17495a821637b4