Analysis

  • max time kernel
    148s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 14:54

General

  • Target

    15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe

  • Size

    452KB

  • MD5

    ffe3cc411e73a64b1d9eb7e9305c73a8

  • SHA1

    d922f9c78dc8455e8487591dc03b10df867b3264

  • SHA256

    15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71

  • SHA512

    ec0ad43db50bf78c2d23ae2172dd924920550d1e60daeca9a7ae5fd1317bdce1efa2a8456f29c57f4c0d8bd07c92d6a8cde4ea76f153775b0023f08c1cebd920

  • SSDEEP

    12288:Xj3WWvxRF9z8A5q/1UYHYzHME5YGK7JowcfG:DWCz9z8AWqJsnGK77m

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 IoCs
  • 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.

  • 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 behavior: EnumeratesProcesses 2 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\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe
    "C:\Users\Admin\AppData\Local\Temp\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1560
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\743400888.xml"
      2⤵
      • Creates scheduled task(s)
      PID:5076
    • C:\Users\Admin\AppData\Local\Temp\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe
      "C:\Users\Admin\AppData\Local\Temp\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5020
      • 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:3572
      • 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:3180

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\15be0ae559a2ba420455e1ba3a56ce70d929809e168310ee3e96e9151702aa71.exe.log
    Filesize

    312B

    MD5

    1754173b0ed4624c61fcf04f894e5bb6

    SHA1

    2fbf7999a2e14f19c9aeb1ac0e58b8a3859368b1

    SHA256

    19e1f5731300f62cc4bb6eac90e96b7ff5de1bf8c13a434f1a7e38ee6927d757

    SHA512

    63ae7b7da19c5b65ce73565042cf7386c8d53ab6645b901a9f684d5039e28addd91938d8d61cec153b675e80c25d92fae62bff53edf19914643c94f3a56db710

  • C:\Users\Admin\AppData\Local\Temp\743400888.xml
    Filesize

    1KB

    MD5

    78feaf0e457dbb495b4db44a8c92e1c5

    SHA1

    8895b9b09f63fdedced4172c192165e6fae52d44

    SHA256

    a88db81719d72aed35efcf9e5cdeeaff9e1d5a89fb434fc5f1a2c0c370b24d61

    SHA512

    bcb30a5c0637276bb742d5e7f7f5ba1e9e5206d69fed58227d826d4e76a65468b05d482f0e476dd54553b1ef2c75a1171816dffb649ba81262d524a8f85f39ee

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/1560-142-0x00000000752E0000-0x0000000075891000-memory.dmp
    Filesize

    5.7MB

  • memory/1560-133-0x00000000752E0000-0x0000000075891000-memory.dmp
    Filesize

    5.7MB

  • memory/1560-132-0x00000000752E0000-0x0000000075891000-memory.dmp
    Filesize

    5.7MB

  • memory/3180-155-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3180-153-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3180-151-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3180-150-0x0000000000000000-mapping.dmp
  • memory/3572-148-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3572-144-0x0000000000000000-mapping.dmp
  • memory/3572-145-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3572-147-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/5020-143-0x00000000752E0000-0x0000000075891000-memory.dmp
    Filesize

    5.7MB

  • memory/5020-149-0x00000000752E0000-0x0000000075891000-memory.dmp
    Filesize

    5.7MB

  • memory/5020-139-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/5020-138-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/5020-137-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/5020-136-0x0000000000000000-mapping.dmp
  • memory/5076-134-0x0000000000000000-mapping.dmp