Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-07-2024 15:36

General

  • Target

    16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe

  • Size

    408KB

  • MD5

    04b6cd511ca6299b2b6ae8c3b990221e

  • SHA1

    50d7cbf4c67916de014d846b7afb80a07f486a16

  • SHA256

    16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab

  • SHA512

    6bd5fe393b9dafe58dedc9c0d85046484a20abef5d7f080c22e292edfb3e8a127170f2c92168f7e3efa9b27d20cc246b15aac195547c0d77c45959a40b6b65ec

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4A:gtRfJcNYFNm8UhlZGseA

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe
    "C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ogsic.exe "C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2868
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2736
      • C:\Users\Admin\AppData\Local\Temp\ogsic.exe
        C:\Users\Admin\AppData\Local\Temp\\ogsic.exe "C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2808
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\vcrhl\iqlvzrcj.dll",Verify C:\Users\Admin\AppData\Local\Temp\ogsic.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\vcrhl\iqlvzrcj.dll

    Filesize

    228KB

    MD5

    e5c22b6f59a55c3e2505a9bed2b3a0ca

    SHA1

    74d5fa7e4a110fd3cdbe897898c6d50e1d72422d

    SHA256

    ab977e7125cc1f0039d89556a67e71199a1ace6b36bb2279c607f227792d349a

    SHA512

    146882324c0b1c56b77448463cf5e56a882bc48fb3bfccbec29a41a0df9035c50f0f9b80298f0a933dcde75155aecc60a7bf0b2fa883ae9ca32cefd802a63ac6

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

    Filesize

    409KB

    MD5

    cfbb2c69bd4520266bbe00aa85a25801

    SHA1

    7c97c790bb9d4d371272f82995544a7ea6698141

    SHA256

    4fce407c547cb0b8f43901fbe9038c4e3b786515f59b54bc6621ff809ccb6be7

    SHA512

    c9a92e359b9e7f0ea129dadc93c84504f60d64d195586ff0e355c61a4562a85e3b9ebdd18c6df4a72ed3bbd6ac26d08e7606592ccc528c43b3687797d73175d9

  • memory/2808-9-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2808-11-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2868-7-0x0000000000360000-0x00000000003C4000-memory.dmp

    Filesize

    400KB

  • memory/2868-6-0x0000000000360000-0x00000000003C4000-memory.dmp

    Filesize

    400KB

  • memory/2884-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2884-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2948-17-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2948-18-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2948-20-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB