Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2023, 08:23

General

  • Target
    PB48847-2220011833 CNV BRP-HIPPS Budgetary proposal (Technical).exe
  • Size 254KB
  • Sample230306-j95pxabc67
  • SHA256 55c120bb50a6bf06059df09079156abe3e1ada2114e045a5ef56d2f747082995
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Users\Admin\AppData\Local\Temp\PB48847-2220011833 CNV BRP-HIPPS Budgetary proposal (Technical).exe
      "C:\Users\Admin\AppData\Local\Temp\PB48847-2220011833 CNV BRP-HIPPS Budgetary proposal (Technical).exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Users\Admin\AppData\Local\Temp\cidphz.exe
        "C:\Users\Admin\AppData\Local\Temp\cidphz.exe" C:\Users\Admin\AppData\Local\Temp\iuznithiabw.gwu
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Users\Admin\AppData\Local\Temp\cidphz.exe
          "C:\Users\Admin\AppData\Local\Temp\cidphz.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1904
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.exe"
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1612
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:856

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          cidphz.exe

          • Path C:\Users\Admin\AppData\Local\Temp\cidphz.exe
          • Size 19KB
          • SHA256 dbb8106e46f994f9f3b8373022c82beaad3726b13590a57b97e4ac47de1e406a
          • MD5 SHA1 SHA512 SSDEEP

          cidphz.exe

          • Path C:\Users\Admin\AppData\Local\Temp\cidphz.exe
          • Size 19KB
          • SHA256 dbb8106e46f994f9f3b8373022c82beaad3726b13590a57b97e4ac47de1e406a
          • MD5 SHA1 SHA512 SSDEEP

          cidphz.exe

          • Path C:\Users\Admin\AppData\Local\Temp\cidphz.exe
          • Size 19KB
          • SHA256 dbb8106e46f994f9f3b8373022c82beaad3726b13590a57b97e4ac47de1e406a
          • MD5 SHA1 SHA512 SSDEEP

          cidphz.exe

          • Path C:\Users\Admin\AppData\Local\Temp\cidphz.exe
          • Size 19KB
          • SHA256 dbb8106e46f994f9f3b8373022c82beaad3726b13590a57b97e4ac47de1e406a
          • MD5 SHA1 SHA512 SSDEEP

          crvklluut.mx

          • Path C:\Users\Admin\AppData\Local\Temp\crvklluut.mx
          • Size 205KB
          • SHA256 d2991785588cca9bd75b94cba78dff667cbe0a25d0f88432756cc2dd134ce3b4
          • MD5 SHA1 SHA512 SSDEEP

          gvxpmz7x.zip

          • Path C:\Users\Admin\AppData\Local\Temp\gvxpmz7x.zip
          • Size 542KB
          • SHA256 bdcd90d909c708eff9a829c01b428c2b24fafc15f63deccd064c2bb12b0a49e3
          • MD5 SHA1 SHA512 SSDEEP

          iuznithiabw.gwu

          • Path C:\Users\Admin\AppData\Local\Temp\iuznithiabw.gwu
          • Size 5KB
          • SHA256 6d2effd888b2e8ccd1836bb617df3aefc85ecd1d17f5eb186456388f93b3cff7
          • MD5 SHA1 SHA512 SSDEEP

          cidphz.exe

          • Path \Users\Admin\AppData\Local\Temp\cidphz.exe
          • Size 19KB
          • SHA256 dbb8106e46f994f9f3b8373022c82beaad3726b13590a57b97e4ac47de1e406a
          • MD5 SHA1 SHA512 SSDEEP

          cidphz.exe

          • Path \Users\Admin\AppData\Local\Temp\cidphz.exe
          • Size 19KB
          • SHA256 dbb8106e46f994f9f3b8373022c82beaad3726b13590a57b97e4ac47de1e406a
          • MD5 SHA1 SHA512 SSDEEP

          cidphz.exe

          • Path \Users\Admin\AppData\Local\Temp\cidphz.exe
          • Size 19KB
          • SHA256 dbb8106e46f994f9f3b8373022c82beaad3726b13590a57b97e4ac47de1e406a
          • MD5 SHA1 SHA512 SSDEEP

          sqlite3.dll

          • Path \Users\Admin\AppData\Local\Temp\sqlite3.dll
          • Size 1.0MB
          • SHA256 1f1a186ea26bd2462ea2a9cf35a816b92caf0897fdf332af3a61569e0ba97b24
          • MD5 SHA1 SHA512 SSDEEP

          memory/1184-86-0x0000000004E50000-0x0000000004F47000-memory.dmp

          memory/1184-83-0x0000000004E50000-0x0000000004F47000-memory.dmp

          memory/1184-75-0x00000000049B0000-0x0000000004A9B000-memory.dmp

          memory/1612-80-0x0000000000070000-0x000000000009D000-memory.dmp

          memory/1612-77-0x0000000000200000-0x0000000000222000-memory.dmp

          memory/1612-79-0x0000000000200000-0x0000000000222000-memory.dmp

          memory/1612-81-0x0000000002090000-0x0000000002393000-memory.dmp

          memory/1612-82-0x00000000003E0000-0x000000000046F000-memory.dmp

          memory/1612-126-0x0000000061E00000-0x0000000061EED000-memory.dmp

          memory/1612-130-0x0000000061E00000-0x0000000061EED000-memory.dmp

          memory/1904-78-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1904-76-0x00000000000E0000-0x00000000000F0000-memory.dmp

          memory/1904-74-0x0000000000A10000-0x0000000000D13000-memory.dmp

          memory/1904-73-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1904-72-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1904-69-0x0000000000400000-0x000000000042F000-memory.dmp