Analysis

  • max time kernel
    81s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 22:36

General

  • Target

    d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb.exe

  • Size

    728KB

  • MD5

    b31b2fd4a9b34a8444a05aa43c7869f6

  • SHA1

    2916e092aebc7070d69f5f698c38e0e88bb651cb

  • SHA256

    d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

  • SHA512

    fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 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 NtSetInformationThreadHideFromDebugger 6 IoCs
  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb.exe
    "C:\Users\Admin\AppData\Local\Temp\d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Users\Admin\AppData\Local\Temp\d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb.exe
      "C:\Users\Admin\AppData\Local\Temp\d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:920
          • 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"
            5⤵
            • Accesses Microsoft Outlook accounts
            PID:1356
          • 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"
            5⤵
              PID:892

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      102B

      MD5

      c80c4379d23d10fb146325f9608b67ff

      SHA1

      2ea39de13530db8b659ddf5536cdfab53e58e6ae

      SHA256

      429fe2692bd2a20c4ae0d1776a03e31db2f2d0f2d7b1aff90a77ceed863a0ee4

      SHA512

      c3be9c7e9494e283a0c3ed2fc9d6d03ba1bcd1b9e04fa6e297547f9368652bc3b88192b5eff577a94f55383895b169d473f8cef5c6e7cb92e3c93ee813e01811

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      728KB

      MD5

      b31b2fd4a9b34a8444a05aa43c7869f6

      SHA1

      2916e092aebc7070d69f5f698c38e0e88bb651cb

      SHA256

      d739bdb54c88b5b4165d9f20c687dcd178061dc76efcb92a8c349c2cf2daa7cb

      SHA512

      fca7c2b6079304f69c9d961983c0444d008d21b71d57f81b480032d8ce50c9c349b704d7c391a8d46c885d544b1b7cf53043c4a2e2b9debf8d2c7fe74f7e88a7

    • memory/892-131-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/892-130-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/892-128-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/892-125-0x0000000000442628-mapping.dmp
    • memory/892-124-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/920-107-0x0000000002530000-0x00000000025C0000-memory.dmp
      Filesize

      576KB

    • memory/920-121-0x0000000074850000-0x0000000074DFB000-memory.dmp
      Filesize

      5.7MB

    • memory/920-133-0x0000000000920000-0x00000000009D7000-memory.dmp
      Filesize

      732KB

    • memory/920-122-0x0000000074850000-0x0000000074DFB000-memory.dmp
      Filesize

      5.7MB

    • memory/920-120-0x0000000077700000-0x0000000077880000-memory.dmp
      Filesize

      1.5MB

    • memory/920-91-0x0000000000491319-mapping.dmp
    • memory/920-118-0x0000000000920000-0x00000000009D7000-memory.dmp
      Filesize

      732KB

    • memory/920-117-0x0000000000210000-0x000000000021D000-memory.dmp
      Filesize

      52KB

    • memory/920-113-0x0000000020E70000-0x0000000021968000-memory.dmp
      Filesize

      11.0MB

    • memory/920-112-0x0000000074850000-0x0000000074DFB000-memory.dmp
      Filesize

      5.7MB

    • memory/920-111-0x0000000077700000-0x0000000077880000-memory.dmp
      Filesize

      1.5MB

    • memory/920-110-0x0000000077520000-0x00000000776C9000-memory.dmp
      Filesize

      1.7MB

    • memory/920-106-0x0000000000400000-0x0000000000490000-memory.dmp
      Filesize

      576KB

    • memory/920-101-0x0000000000400000-0x00000000004B7000-memory.dmp
      Filesize

      732KB

    • memory/920-103-0x0000000000400000-0x0000000000477000-memory.dmp
      Filesize

      476KB

    • memory/1348-59-0x0000000077520000-0x00000000776C9000-memory.dmp
      Filesize

      1.7MB

    • memory/1348-57-0x00000000762D1000-0x00000000762D3000-memory.dmp
      Filesize

      8KB

    • memory/1348-60-0x0000000077700000-0x0000000077880000-memory.dmp
      Filesize

      1.5MB

    • memory/1348-56-0x0000000000310000-0x000000000031D000-memory.dmp
      Filesize

      52KB

    • memory/1348-63-0x0000000077700000-0x0000000077880000-memory.dmp
      Filesize

      1.5MB

    • memory/1348-62-0x0000000000310000-0x000000000031D000-memory.dmp
      Filesize

      52KB

    • memory/1356-123-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1356-119-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1356-115-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1356-116-0x0000000000411654-mapping.dmp
    • memory/2008-71-0x00000000000E0000-0x0000000000170000-memory.dmp
      Filesize

      576KB

    • memory/2008-82-0x0000000077700000-0x0000000077880000-memory.dmp
      Filesize

      1.5MB

    • memory/2008-87-0x00000000748D0000-0x0000000074E7B000-memory.dmp
      Filesize

      5.7MB

    • memory/2008-61-0x0000000000491319-mapping.dmp
    • memory/2008-66-0x0000000000400000-0x00000000004B7000-memory.dmp
      Filesize

      732KB

    • memory/2008-68-0x0000000000400000-0x0000000000477000-memory.dmp
      Filesize

      476KB

    • memory/2008-74-0x0000000077520000-0x00000000776C9000-memory.dmp
      Filesize

      1.7MB

    • memory/2008-75-0x00000000748D0000-0x0000000074E7B000-memory.dmp
      Filesize

      5.7MB

    • memory/2008-80-0x00000000001B0000-0x00000000001BD000-memory.dmp
      Filesize

      52KB

    • memory/2024-99-0x0000000077700000-0x0000000077880000-memory.dmp
      Filesize

      1.5MB

    • memory/2024-77-0x0000000000000000-mapping.dmp
    • memory/2024-95-0x0000000077520000-0x00000000776C9000-memory.dmp
      Filesize

      1.7MB

    • memory/2024-93-0x0000000000AB0000-0x0000000000ABD000-memory.dmp
      Filesize

      52KB