Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2022 04:08

General

  • Target

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e.exe

  • Size

    103KB

  • MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

  • SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

  • SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

  • SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • SSDEEP

    1536:Ocm1t4MluQqXc4vdcHcpTJioZJcUOzyKhcxVXJ4yqEpOEY4ExsKpkpYnCLt:5s4vy4T1uX1QTNExsGCjJ

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • UAC bypass 3 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 41 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e.exe
    "C:\Users\Admin\AppData\Local\Temp\7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e.exe
      "C:\Users\Admin\AppData\Local\Temp\7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1528
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Drops startup file
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1224
      • C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe
        "C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe" elevate
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1184
        • C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe
          "C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe" elevate
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1540
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe"" admin
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1948
            • C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe
              "C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe" admin
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1480
              • C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe
                "C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe" admin
                7⤵
                • UAC bypass
                • Executes dropped EXE
                • Checks whether UAC is enabled
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • System policy modification
                PID:1724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • C:\Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • \Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • \Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • \Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • \Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • \Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • \Users\Admin\AppData\Local\Temp\hbjkscmg.exe

    Filesize

    103KB

    MD5

    5dd9e47c20c4ab4f9bcf97fdac6092ae

    SHA1

    171cebaf06b2c8a198ec5084c347b97d690b021f

    SHA256

    7c677d474e848032460b3928bc3421a3a502ecbe49245a66be33fed9ac5fbf7e

    SHA512

    076459a471715e75cc7112e733b383dd2d46be9f48bdce088051161f07eaa45919bc28936908506c43bdd45a2ba56886ee420784c2c4766dc57abd8bc7909454

  • memory/1184-99-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1184-98-0x0000000000250000-0x000000000028E000-memory.dmp

    Filesize

    248KB

  • memory/1184-93-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/1184-109-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1224-81-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/1224-85-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/1480-136-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1480-125-0x0000000000020000-0x0000000000023000-memory.dmp

    Filesize

    12KB

  • memory/1480-124-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1480-119-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/1528-71-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/1528-75-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/1540-113-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1724-139-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1948-122-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1948-123-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1952-94-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1952-73-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1952-59-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1952-68-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1952-67-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1952-66-0x0000000076141000-0x0000000076143000-memory.dmp

    Filesize

    8KB

  • memory/1952-60-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1952-63-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1952-62-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1992-54-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1992-70-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1992-56-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/1992-55-0x0000000000020000-0x0000000000023000-memory.dmp

    Filesize

    12KB