Analysis

  • max time kernel
    142s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 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
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTbjPEGI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp239B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:876
    • 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:3476
      • 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:4520
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4980
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3912 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • C:\Users\Admin\AppData\Local\Temp\tmp239B.tmp

      Filesize

      1KB

      MD5

      195c68da9d2f980c803ae0afdefcc9c6

      SHA1

      8be79e295950e7f3f64046ee33040adc5ea31248

      SHA256

      c535f5fbc5082a766fabb0269af129f4354fa431081175b626bf57038663d75d

      SHA512

      5536a2681b349a6e345ef4da7e3ed73aad67ad7b7b269e00e2247dd40bb299ac50058a71474d49a6eb617ca9cce55ad8807c3eb594cd98df2b9052b16799d64c

    • memory/3476-44-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/3476-43-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/3476-26-0x0000000007E70000-0x0000000007E78000-memory.dmp

      Filesize

      32KB

    • memory/3476-25-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/3476-22-0x00000000058E0000-0x0000000005936000-memory.dmp

      Filesize

      344KB

    • memory/3476-21-0x0000000005780000-0x000000000578A000-memory.dmp

      Filesize

      40KB

    • memory/3476-20-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/3476-18-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/3476-16-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/3708-19-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/3708-3-0x0000000004EB0000-0x0000000004F42000-memory.dmp

      Filesize

      584KB

    • memory/3708-9-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/3708-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

      Filesize

      4KB

    • memory/3708-8-0x0000000005920000-0x0000000005EC4000-memory.dmp

      Filesize

      5.6MB

    • memory/3708-7-0x0000000005230000-0x00000000052C0000-memory.dmp

      Filesize

      576KB

    • memory/3708-6-0x00000000052D0000-0x000000000536C000-memory.dmp

      Filesize

      624KB

    • memory/3708-5-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/3708-4-0x00000000747DE000-0x00000000747DF000-memory.dmp

      Filesize

      4KB

    • memory/3708-10-0x0000000000AA0000-0x0000000000B06000-memory.dmp

      Filesize

      408KB

    • memory/3708-1-0x0000000000380000-0x0000000000438000-memory.dmp

      Filesize

      736KB

    • memory/3708-2-0x00000000026D0000-0x00000000026E0000-memory.dmp

      Filesize

      64KB

    • memory/4520-27-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4520-31-0x0000000000420000-0x00000000004E9000-memory.dmp

      Filesize

      804KB

    • memory/4520-33-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4520-30-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4520-29-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4980-34-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4980-35-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4980-42-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB