Analysis

  • max time kernel
    123s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    02/08/2020, 15:28

General

  • Target
    762002910000000.bin.exe
  • Size 85KB
  • Sample200802-vbht9618he
  • SHA256 e1f3874c42cdd4e2c49477d7b2bc3ebd3bcd4e3a2cf882fa4d1ea09546c74f5d
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 39 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 27 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • JavaScript code in executable 15 IoCs
  • Modifies service 2 TTPs 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\762002910000000.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\762002910000000.bin.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    PID:720
    • C:\Users\Admin\AppData\Local\Temp\firefox.exe
      "C:\Users\Admin\AppData\Local\Temp\firefox.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3816
      • C:\Users\Admin\AppData\Local\Temp\tor.exe
        "C:\Users\Admin\AppData\Local\Temp\tor.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3424
      • C:\Users\Admin\AppData\Roaming\AB4C9050E3B05675\firefox.exe
        "C:\Users\Admin\AppData\Roaming\AB4C9050E3B05675\firefox.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        • Modifies Internet Explorer settings
        • Executes dropped EXE
        • Loads dropped DLL
        PID:828
        • C:\Users\Admin\AppData\Roaming\AB4C9050E3B05675\tor.exe
          "C:\Users\Admin\AppData\Roaming\AB4C9050E3B05675\tor.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1356
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Modifies data under HKEY_USERS
      • Modifies system certificate store
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3864
      • C:\Windows\SysWOW64\netsh.exe
        Windows\System32\netsh.exe interface ipv4 delete dnsservers "Ethernet" all
        3⤵
        • Modifies service
        PID:720
      • C:\Windows\SysWOW64\netsh.exe
        Windows\System32\netsh.exe interface ip delete dns "Ethernet" all
        3⤵
        • Modifies service
        PID:1508
      • C:\Windows\SysWOW64\netsh.exe
        Windows\System32\netsh.exe interface ipv4 add dnsserver "Ethernet" 185.81.157.105 index=1 validate=no
        3⤵
        • Modifies service
        PID:2160
      • C:\Windows\SysWOW64\netsh.exe
        Windows\System32\netsh.exe interface ip add dns "Ethernet" 185.81.157.105 index=1
        3⤵
        • Modifies service
        PID:3024
      • C:\Windows\SysWOW64\netsh.exe
        Windows\System32\netsh.exe interface ipv4 delete dnsservers "Loopback Pseudo-Interface 1" all
        3⤵
        • Modifies service
        PID:708
      • C:\Windows\SysWOW64\netsh.exe
        Windows\System32\netsh.exe interface ip delete dns "Loopback Pseudo-Interface 1" all
        3⤵
        • Modifies service
        PID:2408
      • C:\Windows\SysWOW64\netsh.exe
        Windows\System32\netsh.exe interface ipv4 add dnsserver "Loopback Pseudo-Interface 1" 185.81.157.105 index=1 validate=no
        3⤵
        • Modifies service
        PID:728
      • C:\Windows\SysWOW64\netsh.exe
        Windows\System32\netsh.exe interface ip add dns "Loopback Pseudo-Interface 1" 185.81.157.105 index=1
        3⤵
        • Modifies service
        PID:1696
  • \??\c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s NgcSvc
    1⤵
      PID:3776
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s DeviceAssociationService
      1⤵
        PID:3848

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/720-0-0x00000000034D0000-0x0000000003551000-memory.dmp

            memory/828-107-0x0000000001100000-0x0000000001115000-memory.dmp

            memory/3816-22-0x0000000001100000-0x0000000001115000-memory.dmp