Analysis

  • max time kernel
    101s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 10:58

General

  • Target

    cc6bf75b9b4c9bba7fd02ad6a780b4b2d6ee00e2a2ec958ecfbe947120f56775.exe

  • Size

    452KB

  • MD5

    1201b993a35128d6d54dc93814c5c991

  • SHA1

    9b4ac00682f268f1d44061d3fb71bf8fef237976

  • SHA256

    cc6bf75b9b4c9bba7fd02ad6a780b4b2d6ee00e2a2ec958ecfbe947120f56775

  • SHA512

    3a71e60dadc470291586318bb91ae041c61baad80d432169291cdf6bd8f788ce54c3d3869b38a0a8bbea13c900fc34e10d640927cc8612bce6c78b3af68d86f0

  • SSDEEP

    12288:JVk7AfGHezuQDdEuqRIPFabGHc/fZ7gTMsxm8sRb9TO:JVcazuQDdnqoaCuf/s4ZRx

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
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • 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\cc6bf75b9b4c9bba7fd02ad6a780b4b2d6ee00e2a2ec958ecfbe947120f56775.exe
    "C:\Users\Admin\AppData\Local\Temp\cc6bf75b9b4c9bba7fd02ad6a780b4b2d6ee00e2a2ec958ecfbe947120f56775.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windws" /XML "C:\Users\Admin\AppData\Local\Temp\296071400.xml"
      2⤵
      • Creates scheduled task(s)
      PID:744
    • C:\Users\Admin\AppData\Local\Temp\cc6bf75b9b4c9bba7fd02ad6a780b4b2d6ee00e2a2ec958ecfbe947120f56775.exe
      "C:\Users\Admin\AppData\Local\Temp\cc6bf75b9b4c9bba7fd02ad6a780b4b2d6ee00e2a2ec958ecfbe947120f56775.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:268
      • 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:1828
      • 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:1052

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    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\296071400.xml
      Filesize

      1KB

      MD5

      39c84c13b35f909e66743cbeb7e8a301

      SHA1

      f483fca96d2aa97a23d077f33157a9ea46914ae4

      SHA256

      31fbad4ac188abec22722a9d8d97cef017a73a623da57857fbfc6c5485c83de4

      SHA512

      46a234cb46dfb93e478341df0b2f39e2b649206f3e560f72ef6fb17642265b0d76da9872fff8bf39f733583eec3389cdad77612c96f6b7ed6364a4a44320c412

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/268-75-0x00000000744E0000-0x0000000074A8B000-memory.dmp
      Filesize

      5.7MB

    • memory/268-59-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/268-76-0x00000000744E0000-0x0000000074A8B000-memory.dmp
      Filesize

      5.7MB

    • memory/268-88-0x0000000002305000-0x0000000002316000-memory.dmp
      Filesize

      68KB

    • memory/268-60-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/268-62-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/268-64-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/268-66-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/268-68-0x000000000047EA6E-mapping.dmp
    • memory/268-70-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/268-73-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/744-57-0x0000000000000000-mapping.dmp
    • memory/1052-84-0x0000000000442628-mapping.dmp
    • memory/1052-83-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1052-92-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1052-89-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1052-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1060-71-0x0000000074A90000-0x000000007503B000-memory.dmp
      Filesize

      5.7MB

    • memory/1060-56-0x0000000074A90000-0x000000007503B000-memory.dmp
      Filesize

      5.7MB

    • memory/1060-55-0x0000000074A90000-0x000000007503B000-memory.dmp
      Filesize

      5.7MB

    • memory/1060-54-0x0000000076941000-0x0000000076943000-memory.dmp
      Filesize

      8KB

    • memory/1828-82-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1828-81-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1828-78-0x0000000000411654-mapping.dmp
    • memory/1828-77-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1828-90-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB