Analysis

  • max time kernel
    35s
  • max time network
    74s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 03:32

General

  • Target

    new order.exe

  • Size

    652KB

  • MD5

    f7c7f0a5013e02a835742f2ebe1720ea

  • SHA1

    ac3a7698bac99d8e008c63c55077f418d4e65c1f

  • SHA256

    73878e34b785ba5dd951e4af104d6f68416b07f487584a1963c5b63913615eb3

  • SHA512

    d80bd0eade50e693b306a71a0542a3f8e01466f7ba4fcc09b3dc0d6cc4611c14d5e662b1ec94b7e3742f41ca164a8bd6f575e2fbfa44a527181f9adc82d347ae

Malware Config

Extracted

Family

hawkeye_reborn

Version

10.1.2.2

Credentials

  • Protocol:
    smtp
  • Host:
    bernini.hosting-mexico.net
  • Port:
    26
  • Username:
    carl@telloavellaneda.com
  • Password:
    cs50@pass1
Mutex

c3146bd4-fb85-4a81-9b90-72b32426f59a

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:true _Delivery:0 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPassword:cs50@pass1 _EmailPort:26 _EmailSSL:true _EmailServer:bernini.hosting-mexico.net _EmailUsername:carl@telloavellaneda.com _ExecutionDelay:10 _FTPPort:0 _FTPSFTP:false _FakeMessageIcon:0 _FakeMessageShow:false _FileBinder:false _HideFile:false _HistoryCleaner:false _Install:false _InstallLocation:0 _InstallStartup:false _InstallStartupPersistance:false _KeyStrokeLogger:true _LogInterval:10 _MeltFile:false _Mutex:c3146bd4-fb85-4a81-9b90-72b32426f59a _PasswordStealer:true _ProcessElevation:false _ProcessProtection:false _ScreenshotLogger:true _SystemInfo:false _Version:10.1.2.2 _WebCamLogger:false _WebsiteBlocker:false _WebsiteVisitor:false _WebsiteVisitorVisible:false _ZoneID:false]

  • name

    HawkEye Keylogger - RebornX, Version=10.1.2.2, Culture=neutral, PublicKeyToken=null

Signatures

  • CoreEntity .NET Packer 1 IoCs

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

  • HawkEye Reborn

    HawkEye Reborn is an enhanced version of the HawkEye malware kit.

  • M00nd3v_Logger

    M00nd3v Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • CoreCCC Packer 1 IoCs

    Detects CoreCCC packer used to load .NET malware.

  • M00nD3v Logger Payload 6 IoCs

    Detects M00nD3v Logger payload in memory.

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\new order.exe
    "C:\Users\Admin\AppData\Local\Temp\new order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RaxvLIufoL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp73AB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1708
    • C:\Users\Admin\AppData\Local\Temp\new order.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2028

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp73AB.tmp
    Filesize

    1KB

    MD5

    d3bb19d376a72808a7c785c5dcffcebc

    SHA1

    711300b6aca92f38dad64207c1abd935871fd82c

    SHA256

    f05e0ec7441cc2b206d3ef81a853932d6f23925ba908e2a34d3dfaade183b46b

    SHA512

    00988d097f3abdea238cb974aea3f43c87b139c7d702a8be00d504a390d2613b740d3788b2fdbdaecef38c891eb61fe949dd8c417966f09ca7e3c8d3e66ac9b0

  • memory/1088-54-0x00000000002F0000-0x000000000039A000-memory.dmp
    Filesize

    680KB

  • memory/1088-55-0x00000000752B1000-0x00000000752B3000-memory.dmp
    Filesize

    8KB

  • memory/1088-56-0x0000000000580000-0x0000000000588000-memory.dmp
    Filesize

    32KB

  • memory/1088-57-0x0000000005F10000-0x0000000005FA6000-memory.dmp
    Filesize

    600KB

  • memory/1708-58-0x0000000000000000-mapping.dmp
  • memory/2028-64-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/2028-63-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/2028-60-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/2028-61-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/2028-65-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/2028-66-0x000000000048A1DE-mapping.dmp
  • memory/2028-68-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/2028-70-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/2028-71-0x00000000004B0000-0x00000000004B6000-memory.dmp
    Filesize

    24KB

  • memory/2028-73-0x0000000004985000-0x0000000004996000-memory.dmp
    Filesize

    68KB