Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 10:23

General

  • Target

    Pictures.jpg.scr

  • Size

    710KB

  • MD5

    281198c4b0cf5277fb57896af997ada3

  • SHA1

    3066e53d111ee159ece9ecd4edc977a1a38decc5

  • SHA256

    6e9b80abff99f9ce1d477c30f23c7ab327c1d5fef3edda5f68497aacd35ae03b

  • SHA512

    334e2cc90289c1a79fdbbd115397a1a6f888aa370f9059ef3783fe984f6e844cac1615a41932c458a2cab24e39d7a0cb81cd5cb8465e9c18056b879095f118b8

  • SSDEEP

    12288:Ag77dUJtsrMEH4o8zFQdQVH82YpJCRLtlfNctwgK85V0s9vxnCxtHe6O5n+vToVe:AgOJK4o8JQeH82YpJCR7NctDKrshW0Ve

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    coronavirus2020

Signatures

  • HawkEye

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Pictures.jpg.scr
    "C:\Users\Admin\AppData\Local\Temp\Pictures.jpg.scr" /S
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTbjPEGI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2824
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2832
      • 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:2844
      • 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:1884

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\Tar6FD8.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Local\Temp\tmpDC6.tmp

      Filesize

      1KB

      MD5

      5d061b161d009f64b75ff16f26b4b926

      SHA1

      fb5b7730ad69e5828c1f84949a93bff77a27cae0

      SHA256

      6e587c418bda8a7670079f7a6e69c8a861a014a9f5da2f661d08868c9b312fee

      SHA512

      9a68a69347b6a2dec5cdffc89c91cb3f0937dee8a448da583cc375a0e52719c7429e648a93dc81fc921f804fc5d7673bb5d1aa0332c504e2190f8e51986ac7aa

    • memory/1884-38-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1884-34-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1884-33-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2244-3-0x000000007409E000-0x000000007409F000-memory.dmp

      Filesize

      4KB

    • memory/2244-6-0x0000000074090000-0x000000007477E000-memory.dmp

      Filesize

      6.9MB

    • memory/2244-5-0x0000000004FE0000-0x0000000005070000-memory.dmp

      Filesize

      576KB

    • memory/2244-4-0x0000000074090000-0x000000007477E000-memory.dmp

      Filesize

      6.9MB

    • memory/2244-2-0x0000000000280000-0x0000000000290000-memory.dmp

      Filesize

      64KB

    • memory/2244-0-0x000000007409E000-0x000000007409F000-memory.dmp

      Filesize

      4KB

    • memory/2244-25-0x0000000074090000-0x000000007477E000-memory.dmp

      Filesize

      6.9MB

    • memory/2244-1-0x00000000008F0000-0x00000000009A8000-memory.dmp

      Filesize

      736KB

    • memory/2832-12-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2832-19-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2832-28-0x0000000000A10000-0x0000000000A18000-memory.dmp

      Filesize

      32KB

    • memory/2832-21-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2832-24-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2832-13-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2832-16-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2832-18-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2832-14-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2844-29-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2844-30-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2844-32-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB