Analysis

  • max time kernel
    147s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 19:40

General

  • Target

    fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe

  • Size

    2.3MB

  • MD5

    ee4547722e58379712291952c1d617cc

  • SHA1

    631ebf3828e8875e0c79913ec337cd54b51b3f2f

  • SHA256

    fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1

  • SHA512

    fa69be458190f9d6ca1ae505386c143210af379cdb7aacfa0467639541c8cd8762d30a36a71e1d696cf698ab60a7778267208e0c6c1f52e92bb8c517c6766b53

  • SSDEEP

    49152:Dkwkn9IMHeapbxue+1KTCS+b8MfCt0y/M8O7kG2Lrl23QHXYOZaPCS:AdnVtE9SxMLyUhkT43QHIxPC

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    50.87.151.103
  • Port:
    21
  • Username:
    simmhck@gatewayvpn.com
  • Password:
    442442

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe
    "C:\Users\Admin\AppData\Local\Temp\fe66ebabfbcd28563cd253259160e1a0af6906ef012c20f55e7deaf6333d75f1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Users\Admin\AppData\Local\Temp\2528\2528.exe
      "C:\Users\Admin\AppData\Local\Temp\2528\2528.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1772
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        3⤵
          PID:1964

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\2528\2528.exe
      Filesize

      520KB

      MD5

      9d2416c9fc263fa42221e3a36c6e9aa1

      SHA1

      0862c1b71187846189ff7ef4d052e4304bfde1dc

      SHA256

      834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130

      SHA512

      dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81

    • C:\Users\Admin\AppData\Local\Temp\2528\2528.exe
      Filesize

      520KB

      MD5

      9d2416c9fc263fa42221e3a36c6e9aa1

      SHA1

      0862c1b71187846189ff7ef4d052e4304bfde1dc

      SHA256

      834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130

      SHA512

      dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Local\Temp\2528\2528.exe
      Filesize

      520KB

      MD5

      9d2416c9fc263fa42221e3a36c6e9aa1

      SHA1

      0862c1b71187846189ff7ef4d052e4304bfde1dc

      SHA256

      834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130

      SHA512

      dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81

    • \Users\Admin\AppData\Local\Temp\2528\2528.exe
      Filesize

      520KB

      MD5

      9d2416c9fc263fa42221e3a36c6e9aa1

      SHA1

      0862c1b71187846189ff7ef4d052e4304bfde1dc

      SHA256

      834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130

      SHA512

      dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81

    • \Users\Admin\AppData\Local\Temp\2528\2528.exe
      Filesize

      520KB

      MD5

      9d2416c9fc263fa42221e3a36c6e9aa1

      SHA1

      0862c1b71187846189ff7ef4d052e4304bfde1dc

      SHA256

      834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130

      SHA512

      dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81

    • \Users\Admin\AppData\Local\Temp\2528\2528.exe
      Filesize

      520KB

      MD5

      9d2416c9fc263fa42221e3a36c6e9aa1

      SHA1

      0862c1b71187846189ff7ef4d052e4304bfde1dc

      SHA256

      834f3dea43b0c2da80ffaf1626024ddaaa38b5fbb4452a79bb87ad1e798de130

      SHA512

      dc9178244bffd056e525153aba253cec9676fe8dd5168e8e95ed6c986e14741ad6ed4ae4e0efe40207b95ffb32ded3d585a47a5838710ab7abe704398ba73c81

    • memory/992-59-0x0000000000000000-mapping.dmp
    • memory/992-63-0x00000000744E0000-0x0000000074A8B000-memory.dmp
      Filesize

      5.7MB

    • memory/992-64-0x00000000744E0000-0x0000000074A8B000-memory.dmp
      Filesize

      5.7MB

    • memory/992-81-0x00000000021D5000-0x00000000021E6000-memory.dmp
      Filesize

      68KB

    • memory/992-70-0x00000000021D5000-0x00000000021E6000-memory.dmp
      Filesize

      68KB

    • memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp
      Filesize

      8KB

    • memory/1772-65-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1772-71-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1772-72-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1772-69-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1772-66-0x0000000000411654-mapping.dmp
    • memory/1964-73-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1964-74-0x0000000000442628-mapping.dmp
    • memory/1964-77-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1964-78-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1964-80-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB