Analysis

  • max time kernel
    158s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 19:46

General

  • Target

    2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe

  • Size

    406KB

  • MD5

    078aba95aa7a5f290cef84ed464f3577

  • SHA1

    64bbc09de5c653d4a7e27fa5099cd94ebd4d3c48

  • SHA256

    2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55

  • SHA512

    07d786712326897bbf1ce17e0b0807a79bf801fc5052f390e0f434a2d9c1868004b8318e78a0d680f1eb5c0aa9249d9706fd08da5aace7c55ef618df9ee86e7c

  • SSDEEP

    12288:vdDU6g13sJd1fm/+yb3O2jg82ydU/DdKumy:vdE3sJd1fm/+yb3OYg84/JHJ

Malware Config

Signatures

  • Detects executables containing base64 encoded User Agent 3 IoCs
  • UPX dump on OEP (original entry point) 7 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 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.

  • Drops file in Program Files directory 4 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe
    "C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\sqkcf.exe "C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2100
      • C:\Users\Admin\AppData\Local\Temp\sqkcf.exe
        C:\Users\Admin\AppData\Local\Temp\\sqkcf.exe "C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3008
        • \??\c:\Program Files\zubfwqvz\hphz.exe
          "c:\Program Files\zubfwqvz\hphz.exe" "c:\Program Files\zubfwqvz\hphzb.dll",Viewer C:\Users\Admin\AppData\Local\Temp\sqkcf.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\zubfwqvz\hphzb.dll

    Filesize

    89KB

    MD5

    5d7d0668ea7ade88dcc7538bf84d960c

    SHA1

    a73ede4faf72fd11ea782a9197d8f4ee45725920

    SHA256

    7c2a704d71f83f868fb06da2eea807befc24b989340a093dc9216b05b5c5f781

    SHA512

    c6816fcaaa80427bd085e23e4e107c65e6c2dfe106c7cf890dbaca81c35040704f798d7329fea7868d6135a18c4f458aa15b8fc2c6e00ae8c22e72dd8bf2430c

  • \Program Files\zubfwqvz\hphz.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

    Filesize

    406KB

    MD5

    a1eecb011f2048f1ee022ab616d53ebd

    SHA1

    a2b831bbfdf4afdfef97599beee39b043d321daf

    SHA256

    bd0ec41d7237d36cd5295f10b9ca2e4c2e6d75ffeb70b2b530be8f6d2417c3fe

    SHA512

    c3b511ecb613d17c2e5b1889b82a5d758415e8c8445c389d8621faf9c38153cfe1c4fdd197e9a9284fa15e9e7cc61d194566b6e2ac4d97f31379e4b0ba6ca1ca

  • memory/2624-16-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2624-18-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2624-19-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2624-20-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2624-24-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2624-28-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB