Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    01/03/2023, 08:51

General

  • Target
    hsbc payment slip.exe
  • Size 290KB
  • Sample230301-kr54dsfd97
  • SHA256 6bc0e14b256c2b3869afb1537791084dddce7a1c5ba4fafdda48cd2e5299bc86
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 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:1220
    • C:\Users\Admin\AppData\Local\Temp\hsbc payment slip.exe
      "C:\Users\Admin\AppData\Local\Temp\hsbc payment slip.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Users\Admin\AppData\Local\Temp\vydlyh.exe
        "C:\Users\Admin\AppData\Local\Temp\vydlyh.exe" C:\Users\Admin\AppData\Local\Temp\lghrgd.dmm
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1744
        • C:\Users\Admin\AppData\Local\Temp\vydlyh.exe
          "C:\Users\Admin\AppData\Local\Temp\vydlyh.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:432
    • 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:1940
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:848

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          ifhukyh.f

          • Path C:\Users\Admin\AppData\Local\Temp\ifhukyh.f
          • Size 206KB
          • SHA256 9c2d882537cb12a81dd1d5e63e067063f8fb341b0d9ea73cf5f9112bd2264abd
          • MD5 SHA1 SHA512 SSDEEP

          lghrgd.dmm

          • Path C:\Users\Admin\AppData\Local\Temp\lghrgd.dmm
          • Size 5KB
          • SHA256 1eed6a56413d22c2fcd743a04f0eccfb74ad7cff215a1c8089452705b673253c
          • MD5 SHA1 SHA512 SSDEEP

          u0g8ip.zip

          • Path C:\Users\Admin\AppData\Local\Temp\u0g8ip.zip
          • Size 553KB
          • SHA256 dd46a298ab90ca9ba8a1f633f20abe2dcb805596b5aa68dcb84cce99e3a56be1
          • MD5 SHA1 SHA512 SSDEEP

          vydlyh.exe

          • Path C:\Users\Admin\AppData\Local\Temp\vydlyh.exe
          • Size 99KB
          • SHA256 6dc209bb28b80510b95411cfc893d03a698ba7dd687bd4f9bffd8821c2bf3148
          • MD5 SHA1 SHA512 SSDEEP

          vydlyh.exe

          • Path C:\Users\Admin\AppData\Local\Temp\vydlyh.exe
          • Size 99KB
          • SHA256 6dc209bb28b80510b95411cfc893d03a698ba7dd687bd4f9bffd8821c2bf3148
          • MD5 SHA1 SHA512 SSDEEP

          vydlyh.exe

          • Path C:\Users\Admin\AppData\Local\Temp\vydlyh.exe
          • Size 99KB
          • SHA256 6dc209bb28b80510b95411cfc893d03a698ba7dd687bd4f9bffd8821c2bf3148
          • MD5 SHA1 SHA512 SSDEEP

          vydlyh.exe

          • Path C:\Users\Admin\AppData\Local\Temp\vydlyh.exe
          • Size 99KB
          • SHA256 6dc209bb28b80510b95411cfc893d03a698ba7dd687bd4f9bffd8821c2bf3148
          • MD5 SHA1 SHA512 SSDEEP

          sqlite3.dll

          • Path \Users\Admin\AppData\Local\Temp\sqlite3.dll
          • Size 1.0MB
          • SHA256 a15fd84ee61b54c92bb099dfb78226548f43d550c67fb6adf4cce3d064ab1c14
          • MD5 SHA1 SHA512 SSDEEP

          vydlyh.exe

          • Path \Users\Admin\AppData\Local\Temp\vydlyh.exe
          • Size 99KB
          • SHA256 6dc209bb28b80510b95411cfc893d03a698ba7dd687bd4f9bffd8821c2bf3148
          • MD5 SHA1 SHA512 SSDEEP

          vydlyh.exe

          • Path \Users\Admin\AppData\Local\Temp\vydlyh.exe
          • Size 99KB
          • SHA256 6dc209bb28b80510b95411cfc893d03a698ba7dd687bd4f9bffd8821c2bf3148
          • MD5 SHA1 SHA512 SSDEEP

          vydlyh.exe

          • Path \Users\Admin\AppData\Local\Temp\vydlyh.exe
          • Size 99KB
          • SHA256 6dc209bb28b80510b95411cfc893d03a698ba7dd687bd4f9bffd8821c2bf3148
          • MD5 SHA1 SHA512 SSDEEP

          memory/432-74-0x0000000000860000-0x0000000000B63000-memory.dmp

          memory/432-75-0x0000000000250000-0x0000000000260000-memory.dmp

          memory/432-73-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/432-69-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/432-72-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1220-83-0x00000000046B0000-0x0000000004745000-memory.dmp

          memory/1220-76-0x0000000004140000-0x0000000004205000-memory.dmp

          memory/1220-85-0x00000000046B0000-0x0000000004745000-memory.dmp

          memory/1940-77-0x0000000000700000-0x0000000000722000-memory.dmp

          memory/1940-82-0x0000000000830000-0x00000000008BF000-memory.dmp

          memory/1940-80-0x0000000001F80000-0x0000000002283000-memory.dmp

          memory/1940-79-0x0000000000070000-0x000000000009D000-memory.dmp

          memory/1940-78-0x0000000000700000-0x0000000000722000-memory.dmp

          memory/1940-127-0x0000000061E00000-0x0000000061EF1000-memory.dmp