Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 03:18

General

  • Target

    651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe

  • Size

    405KB

  • MD5

    5c6806b40604c8cb02429e32b5f49ac2

  • SHA1

    d7460434e1d73812f697c440e3928a4debcc8def

  • SHA256

    651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612

  • SHA512

    34b23e31b874ca9f452cedf450a210b948458f1c6fc7d41d72b28e247f27b59efbd8720c4b4ae555262b041205752ba09e82bfff73cee5985a722901bf949c80

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

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\651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe
    "C:\Users\Admin\AppData\Local\Temp\651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\jqlqaca.exe "C:\Users\Admin\AppData\Local\Temp\651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:288
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3000
      • C:\Users\Admin\AppData\Local\Temp\jqlqaca.exe
        C:\Users\Admin\AppData\Local\Temp\\jqlqaca.exe "C:\Users\Admin\AppData\Local\Temp\651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2804
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\rowie\scylidqw.dll",Verify C:\Users\Admin\AppData\Local\Temp\jqlqaca.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:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    406KB

    MD5

    9e5b787251225251d32ae7d103f7eeeb

    SHA1

    422e264a53b858c1f95cd82b8e5deeba25075050

    SHA256

    aac39b7d76c745cef044a4ecdbb3e91da522d5596aefbc1e38c9bc28ab44ed17

    SHA512

    89dd7f1e31dda6571f668b37c75b907a70ecac8058ca0ce9ca241d8f0275300f5ea8dd03a749c936c930a12f1c0aaec61b96c01ce0819699933d51fb3fe9d932

  • \??\c:\Program Files\rowie\scylidqw.dll

    Filesize

    228KB

    MD5

    dd327bf9c4c4f887ce79ff952e9fddd0

    SHA1

    8795a5d15e5a20957c718477a4fee72d3b256278

    SHA256

    62f37c24d913a6d4d47e1e8c013a83062a74b9e3985b5518f46f0f3cbab3a1dc

    SHA512

    a2941e08ff0e41e0b956bd7f56aa46bcdb6d589c1d983d2b499ec3376c65db4c1f8f90b326158326351eb91715afc4608744ec49d895ad89273998cf83132d9d

  • memory/2444-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2444-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2780-15-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2780-16-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2780-18-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2780-19-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2804-7-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2804-9-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB