Analysis

  • max time kernel
    106s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:05

General

  • Target

    68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e.exe

  • Size

    482KB

  • MD5

    e28fa154df6d2bb29c4db88f932be2b7

  • SHA1

    9d19334885d749e718d7364cfd3319c783b635e1

  • SHA256

    68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e

  • SHA512

    45a259bdd03ec1a49fdea5cb2c976a61ae6ac888e78da53cc6343745d1348b3c4bbdb81ce621ae44d8a5c71a4c68e1e635514b18e6e65483c40ce67be9a70892

  • SSDEEP

    12288:6f5jAFxwagw/hZQ8gLJxTK+oxoNzNLA+Ninw8AK:6eJgw3Q8gLJxT3oxm5MCicK

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 12 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 12 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 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 4 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e.exe
    "C:\Users\Admin\AppData\Local\Temp\68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e.exe
      "C:\Users\Admin\AppData\Local\Temp\68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:672
      • 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 SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:848
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          PID:1528
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1076
          • 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:1912
          • 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:1692

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      102B

      MD5

      9562d68bf42ffcf85ed132e5e10d7733

      SHA1

      e490d38d2e9b7a4683928361fd866f9cd9bdeed9

      SHA256

      3f0e6de8f4836f815ecc31cd58bc5c7fb2f2af405b6185cde860bca76edabe26

      SHA512

      b7160252d716f14ce7f8729428df8eb74ed0c858e36a4e1b84ed7dee916ecde8c5f8323ca1c5b078873f75c351628c2413fb49d40328f2aa51dcbdd6d5d03f5a

    • 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

      482KB

      MD5

      e28fa154df6d2bb29c4db88f932be2b7

      SHA1

      9d19334885d749e718d7364cfd3319c783b635e1

      SHA256

      68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e

      SHA512

      45a259bdd03ec1a49fdea5cb2c976a61ae6ac888e78da53cc6343745d1348b3c4bbdb81ce621ae44d8a5c71a4c68e1e635514b18e6e65483c40ce67be9a70892

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

      Filesize

      482KB

      MD5

      e28fa154df6d2bb29c4db88f932be2b7

      SHA1

      9d19334885d749e718d7364cfd3319c783b635e1

      SHA256

      68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e

      SHA512

      45a259bdd03ec1a49fdea5cb2c976a61ae6ac888e78da53cc6343745d1348b3c4bbdb81ce621ae44d8a5c71a4c68e1e635514b18e6e65483c40ce67be9a70892

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

      Filesize

      482KB

      MD5

      e28fa154df6d2bb29c4db88f932be2b7

      SHA1

      9d19334885d749e718d7364cfd3319c783b635e1

      SHA256

      68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e

      SHA512

      45a259bdd03ec1a49fdea5cb2c976a61ae6ac888e78da53cc6343745d1348b3c4bbdb81ce621ae44d8a5c71a4c68e1e635514b18e6e65483c40ce67be9a70892

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

      Filesize

      482KB

      MD5

      e28fa154df6d2bb29c4db88f932be2b7

      SHA1

      9d19334885d749e718d7364cfd3319c783b635e1

      SHA256

      68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e

      SHA512

      45a259bdd03ec1a49fdea5cb2c976a61ae6ac888e78da53cc6343745d1348b3c4bbdb81ce621ae44d8a5c71a4c68e1e635514b18e6e65483c40ce67be9a70892

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

      Filesize

      482KB

      MD5

      e28fa154df6d2bb29c4db88f932be2b7

      SHA1

      9d19334885d749e718d7364cfd3319c783b635e1

      SHA256

      68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e

      SHA512

      45a259bdd03ec1a49fdea5cb2c976a61ae6ac888e78da53cc6343745d1348b3c4bbdb81ce621ae44d8a5c71a4c68e1e635514b18e6e65483c40ce67be9a70892

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

      Filesize

      482KB

      MD5

      e28fa154df6d2bb29c4db88f932be2b7

      SHA1

      9d19334885d749e718d7364cfd3319c783b635e1

      SHA256

      68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e

      SHA512

      45a259bdd03ec1a49fdea5cb2c976a61ae6ac888e78da53cc6343745d1348b3c4bbdb81ce621ae44d8a5c71a4c68e1e635514b18e6e65483c40ce67be9a70892

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

      Filesize

      482KB

      MD5

      e28fa154df6d2bb29c4db88f932be2b7

      SHA1

      9d19334885d749e718d7364cfd3319c783b635e1

      SHA256

      68d7a694439928fc95a94e21bb6067842c849c4bcc16d5032009e381aa71011e

      SHA512

      45a259bdd03ec1a49fdea5cb2c976a61ae6ac888e78da53cc6343745d1348b3c4bbdb81ce621ae44d8a5c71a4c68e1e635514b18e6e65483c40ce67be9a70892

    • memory/672-66-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/672-78-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/672-68-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/672-58-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/672-59-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/672-72-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/672-64-0x000000000047EA9E-mapping.dmp

    • memory/672-61-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/672-63-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/672-62-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/848-79-0x0000000000875000-0x0000000000886000-memory.dmp

      Filesize

      68KB

    • memory/848-80-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/848-74-0x0000000000000000-mapping.dmp

    • memory/848-96-0x0000000000875000-0x0000000000886000-memory.dmp

      Filesize

      68KB

    • memory/848-98-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/1076-102-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/1076-90-0x000000000047EA9E-mapping.dmp

    • memory/1076-99-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/1692-114-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1692-116-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1692-113-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1692-109-0x0000000000442628-mapping.dmp

    • memory/1692-108-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1912-106-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1912-101-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1912-107-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1912-103-0x0000000000411654-mapping.dmp

    • memory/1912-111-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2040-54-0x0000000075991000-0x0000000075993000-memory.dmp

      Filesize

      8KB

    • memory/2040-56-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-57-0x0000000000405000-0x0000000000416000-memory.dmp

      Filesize

      68KB

    • memory/2040-71-0x0000000000405000-0x0000000000416000-memory.dmp

      Filesize

      68KB

    • memory/2040-70-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-55-0x00000000742E0000-0x000000007488B000-memory.dmp

      Filesize

      5.7MB