Analysis

  • max time kernel
    151s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 11:48

General

  • Target

    af0bb975d183df9888e786141eeb29d3bebb2bb34da2b6324605faae1da767eb.exe

  • Size

    2.1MB

  • MD5

    a403cc83cd027279a658cc0ae6db995f

  • SHA1

    68bed9cbfa0f622bf43d5e3e69a16a54fc1439d4

  • SHA256

    af0bb975d183df9888e786141eeb29d3bebb2bb34da2b6324605faae1da767eb

  • SHA512

    b4951cd5789dbe9dd6f66ed975b3c41864430460b58285560a5284307db2432ab01d56816519f700ec9cafe01496764522199fb680ba0d91c0c989ba95e7a0bc

  • SSDEEP

    49152:ckwkn9IMHeaOEZvUDZ7+Ml4O7106OpeDJtDSX01v3M/wGC1nAaPCS:XdnVrUDYMl4O710xAxv3CwGCdPC

Malware Config

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 24 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
  • 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af0bb975d183df9888e786141eeb29d3bebb2bb34da2b6324605faae1da767eb.exe
    "C:\Users\Admin\AppData\Local\Temp\af0bb975d183df9888e786141eeb29d3bebb2bb34da2b6324605faae1da767eb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Local\Temp\5470\5470.exe
      "C:\Users\Admin\AppData\Local\Temp\5470\5470.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1764
      • 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:632
      • 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:648
        • 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\holderprodkey.txt"
          3⤵
            PID:896
          • 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\holderskypeview.txt"
            3⤵
              PID:480

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\5470\5470.exe

          Filesize

          936KB

          MD5

          36781bd70606d104d39b5236805ed5da

          SHA1

          a89890152c811e678d08b4fc4e64d3c9c146c15d

          SHA256

          ecbbe025fe65e303e642da05498eff174da63058f69c8667ab41a897da6c8ad8

          SHA512

          05b881b3ee4aab8d118a70a69f16623d0652f87edbe8fad872b3091917da4a0b9b988c30b56a13420948c359ea130aea0933bec1502238e80d437191a35d00e3

        • C:\Users\Admin\AppData\Local\Temp\5470\5470.exe

          Filesize

          936KB

          MD5

          36781bd70606d104d39b5236805ed5da

          SHA1

          a89890152c811e678d08b4fc4e64d3c9c146c15d

          SHA256

          ecbbe025fe65e303e642da05498eff174da63058f69c8667ab41a897da6c8ad8

          SHA512

          05b881b3ee4aab8d118a70a69f16623d0652f87edbe8fad872b3091917da4a0b9b988c30b56a13420948c359ea130aea0933bec1502238e80d437191a35d00e3

        • C:\Users\Admin\AppData\Local\Temp\holderprodkey.txt

          Filesize

          1KB

          MD5

          c1da33bc664c10aa86e6e450136bb4b3

          SHA1

          4001924b38dc3e41a5d9573e2880919e204ede94

          SHA256

          02c8c655b70f06dcde29a6bbaf35f76a70210954b5d934ca65f83e4f91e24391

          SHA512

          5ce23126fdee1d418606f33217638818fcf0c44fcc19bbb1ab259ce0468db6878469a6f6c7f38d094d03a02104ddeb900364d367ad91753d2169e2b92660d8c1

        • C:\Users\Admin\AppData\Local\Temp\holderskypeview.txt

          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • \Users\Admin\AppData\Local\Temp\5470\5470.exe

          Filesize

          936KB

          MD5

          36781bd70606d104d39b5236805ed5da

          SHA1

          a89890152c811e678d08b4fc4e64d3c9c146c15d

          SHA256

          ecbbe025fe65e303e642da05498eff174da63058f69c8667ab41a897da6c8ad8

          SHA512

          05b881b3ee4aab8d118a70a69f16623d0652f87edbe8fad872b3091917da4a0b9b988c30b56a13420948c359ea130aea0933bec1502238e80d437191a35d00e3

        • \Users\Admin\AppData\Local\Temp\5470\5470.exe

          Filesize

          936KB

          MD5

          36781bd70606d104d39b5236805ed5da

          SHA1

          a89890152c811e678d08b4fc4e64d3c9c146c15d

          SHA256

          ecbbe025fe65e303e642da05498eff174da63058f69c8667ab41a897da6c8ad8

          SHA512

          05b881b3ee4aab8d118a70a69f16623d0652f87edbe8fad872b3091917da4a0b9b988c30b56a13420948c359ea130aea0933bec1502238e80d437191a35d00e3

        • \Users\Admin\AppData\Local\Temp\5470\5470.exe

          Filesize

          936KB

          MD5

          36781bd70606d104d39b5236805ed5da

          SHA1

          a89890152c811e678d08b4fc4e64d3c9c146c15d

          SHA256

          ecbbe025fe65e303e642da05498eff174da63058f69c8667ab41a897da6c8ad8

          SHA512

          05b881b3ee4aab8d118a70a69f16623d0652f87edbe8fad872b3091917da4a0b9b988c30b56a13420948c359ea130aea0933bec1502238e80d437191a35d00e3

        • \Users\Admin\AppData\Local\Temp\5470\5470.exe

          Filesize

          936KB

          MD5

          36781bd70606d104d39b5236805ed5da

          SHA1

          a89890152c811e678d08b4fc4e64d3c9c146c15d

          SHA256

          ecbbe025fe65e303e642da05498eff174da63058f69c8667ab41a897da6c8ad8

          SHA512

          05b881b3ee4aab8d118a70a69f16623d0652f87edbe8fad872b3091917da4a0b9b988c30b56a13420948c359ea130aea0933bec1502238e80d437191a35d00e3

        • memory/480-94-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/480-93-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/480-89-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/480-90-0x000000000043BC50-mapping.dmp

        • memory/632-65-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/632-71-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/632-72-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/632-69-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/632-66-0x0000000000411714-mapping.dmp

        • memory/648-74-0x0000000000442F04-mapping.dmp

        • memory/648-73-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/648-77-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/648-78-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/648-80-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/896-83-0x000000000040BEC0-mapping.dmp

        • memory/896-86-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/896-88-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/896-82-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1080-54-0x00000000758C1000-0x00000000758C3000-memory.dmp

          Filesize

          8KB

        • memory/1764-81-0x0000000000AE5000-0x0000000000AF6000-memory.dmp

          Filesize

          68KB

        • memory/1764-70-0x0000000000AE5000-0x0000000000AF6000-memory.dmp

          Filesize

          68KB

        • memory/1764-64-0x00000000743F0000-0x000000007499B000-memory.dmp

          Filesize

          5.7MB

        • memory/1764-63-0x00000000743F0000-0x000000007499B000-memory.dmp

          Filesize

          5.7MB

        • memory/1764-59-0x0000000000000000-mapping.dmp