Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 01:30

General

  • Target

    be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe

  • Size

    201KB

  • MD5

    a168d232d532b83f51ef0c7f792d6b66

  • SHA1

    a874c62357d8340e9aef895f2aad41f80a7a38bb

  • SHA256

    be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3

  • SHA512

    a9e9c37003db17d30dd976d68ff47439fb95993329c4e1cd4d7bf39b4a557441bba482d367c3047aa7ed2b332c630c123f34bf68402ef3c813852b1b3e1a297e

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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\be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe
    "C:\Users\Admin\AppData\Local\Temp\be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dbknl.exe "C:\Users\Admin\AppData\Local\Temp\be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2336
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2916
      • C:\Users\Admin\AppData\Local\Temp\dbknl.exe
        C:\Users\Admin\AppData\Local\Temp\\dbknl.exe "C:\Users\Admin\AppData\Local\Temp\be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2000
        • \??\c:\Program Files\vqony\auvysflu.exe
          "c:\Program Files\vqony\auvysflu.exe" "c:\Program Files\vqony\auvysflu.dll",Compliance C:\Users\Admin\AppData\Local\Temp\dbknl.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\vqony\auvysflu.dll

    Filesize

    141KB

    MD5

    320bdea6c5aa47bc2e83b04270eec6e2

    SHA1

    ec6c3e1cc582f051f39a8d2f632d504e7837ca97

    SHA256

    d6e7aeeae73c39dbde62b6bec90ab9f090d3d673d483611f40f1d8b64ae87719

    SHA512

    cdf63d90d91c194b03f15aff0224db1103efb78473e94a349503485f7b3ca24f80770a8ed9b1e0e4308f482a4dc23f77980ac68da4e2f5f787eb611cefa324a0

  • \Program Files\vqony\auvysflu.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

    Filesize

    201KB

    MD5

    1d3f2129c5d0b9916203d948adb85d42

    SHA1

    13867783164c21061ba1e164d4ee5c383c765bc9

    SHA256

    de8fd9bfcc99f6ca7689dec70c4d7bcfbd7bf841f7b640f9f257a73a32a84047

    SHA512

    661b604406f432217797808c80fa1ba29d6579d50f29f193a396e859bf4fd8797a354e36f66fd354aedd628176fa21f33b3529d3eb26028258a11a20f2aa5b03

  • memory/2000-11-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2000-12-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2000-20-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2336-9-0x0000000000170000-0x00000000001BA000-memory.dmp

    Filesize

    296KB

  • memory/2336-8-0x0000000000170000-0x00000000001BA000-memory.dmp

    Filesize

    296KB

  • memory/2504-4-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2504-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2504-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2504-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2812-27-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2812-28-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2812-29-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2812-30-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB