Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 15:33

General

  • Target

    fc60f1ead466b76c91aadd1f78c4fcb2c1b4dfc99ac9b93e45a5efdd62ce7caa.exe

  • Size

    407KB

  • MD5

    ffba07a5701366399cfafa6e489dee91

  • SHA1

    4905817f27d651cfef4021426e476b37f6a25a0d

  • SHA256

    fc60f1ead466b76c91aadd1f78c4fcb2c1b4dfc99ac9b93e45a5efdd62ce7caa

  • SHA512

    b71ba8015cd7b65148f7ddf16f8015b70a045e50931c9b00bc41b89f7cff141854fde5deb8ca39708629b440365dd21acfd8058b27695c44a2e7f1f8d642077d

  • 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\fc60f1ead466b76c91aadd1f78c4fcb2c1b4dfc99ac9b93e45a5efdd62ce7caa.exe
    "C:\Users\Admin\AppData\Local\Temp\fc60f1ead466b76c91aadd1f78c4fcb2c1b4dfc99ac9b93e45a5efdd62ce7caa.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\fqesq.exe "C:\Users\Admin\AppData\Local\Temp\fc60f1ead466b76c91aadd1f78c4fcb2c1b4dfc99ac9b93e45a5efdd62ce7caa.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2956
      • C:\Users\Admin\AppData\Local\Temp\fqesq.exe
        C:\Users\Admin\AppData\Local\Temp\\fqesq.exe "C:\Users\Admin\AppData\Local\Temp\fc60f1ead466b76c91aadd1f78c4fcb2c1b4dfc99ac9b93e45a5efdd62ce7caa.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2648
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\dsnwf\upgov.dll",Verify C:\Users\Admin\AppData\Local\Temp\fqesq.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:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \??\c:\Program Files\dsnwf\upgov.dll

    Filesize

    228KB

    MD5

    2ebfd94526353117741976fa41b2eb9c

    SHA1

    508a1a69e1f8d2e76a520ba487b6ec62abf0a0c6

    SHA256

    825f12192fabc68e76900605a304da44417a08dff82a8f9b02a9ccead56a1521

    SHA512

    4cdcc3fa153c8cb8f1e64cd75e25bd593ceb30af84d5dc919dc5f8217ec556e9b346e3d14fab5e6029657bede36f9440c073240803b75997c8c5b2db45cea256

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

    Filesize

    407KB

    MD5

    394e0d95883086120268a880eedac5c0

    SHA1

    9f388baa601aaa35fee7eea68fe6d8388b386076

    SHA256

    b252ffcfff610fc419b4b8b0b9b88376f0f0d69c89947100b8af858bdc858cc0

    SHA512

    97c7a719941faf2a1bc1e8facbc99bd7333da987c9f7eb15105c032efcd39a681b7bd988f37f8f384231dbf33c34b949a198b80c18c687aacd12ea0d17a3e782

  • memory/2156-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2156-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2496-18-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2496-22-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2496-20-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2496-16-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2496-19-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2648-9-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2648-11-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2688-6-0x00000000002C0000-0x0000000000324000-memory.dmp

    Filesize

    400KB

  • memory/2688-7-0x00000000002C0000-0x0000000000324000-memory.dmp

    Filesize

    400KB