Analysis

  • max time kernel
    79s
  • max time network
    179s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 05:29

General

  • Target

    4c10f8881ab7b1b47a4db73fb9052e23efbfcecf4b2b28c569c01faba944d482.exe

  • Size

    556KB

  • MD5

    e3638516b609eed8bfa8e5732e5eebba

  • SHA1

    12c752d26dab93e1b10f81cca4c7bb5d45c7b654

  • SHA256

    4c10f8881ab7b1b47a4db73fb9052e23efbfcecf4b2b28c569c01faba944d482

  • SHA512

    ef60515898834800b2b281bb3484591125c4e5f91487dd8e5f1c2e07226d64cb0739448d9a53f68a3e42ab5498cf721e4e55b0702135657f5d9974158d746984

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 16 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c10f8881ab7b1b47a4db73fb9052e23efbfcecf4b2b28c569c01faba944d482.exe
    "C:\Users\Admin\AppData\Local\Temp\4c10f8881ab7b1b47a4db73fb9052e23efbfcecf4b2b28c569c01faba944d482.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Users\Admin\AppData\Local\Temp\svhost.exe
      "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2020
      • 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:1504
      • 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:1460

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

      85KB

      MD5

      2e5f1cf69f92392f8829fc9c9263ae9b

      SHA1

      97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

      SHA256

      51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

      SHA512

      f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

      85KB

      MD5

      2e5f1cf69f92392f8829fc9c9263ae9b

      SHA1

      97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

      SHA256

      51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

      SHA512

      f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

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

      85KB

      MD5

      2e5f1cf69f92392f8829fc9c9263ae9b

      SHA1

      97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

      SHA256

      51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

      SHA512

      f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

    • memory/624-55-0x0000000074A30000-0x0000000074FDB000-memory.dmp
      Filesize

      5.7MB

    • memory/624-56-0x0000000074A30000-0x0000000074FDB000-memory.dmp
      Filesize

      5.7MB

    • memory/624-74-0x0000000074A30000-0x0000000074FDB000-memory.dmp
      Filesize

      5.7MB

    • memory/624-54-0x0000000075801000-0x0000000075803000-memory.dmp
      Filesize

      8KB

    • memory/1460-91-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1460-84-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1460-85-0x0000000000442628-mapping.dmp
    • memory/1460-88-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1460-89-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1504-83-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1504-82-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1504-76-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1504-80-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1504-77-0x0000000000411654-mapping.dmp
    • memory/2020-73-0x0000000074A30000-0x0000000074FDB000-memory.dmp
      Filesize

      5.7MB

    • memory/2020-75-0x0000000074A30000-0x0000000074FDB000-memory.dmp
      Filesize

      5.7MB

    • memory/2020-65-0x0000000000480C1E-mapping.dmp
    • memory/2020-81-0x00000000003C5000-0x00000000003D6000-memory.dmp
      Filesize

      68KB

    • memory/2020-68-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2020-70-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2020-64-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2020-63-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2020-61-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2020-59-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2020-58-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2020-92-0x00000000003C5000-0x00000000003D6000-memory.dmp
      Filesize

      68KB