Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 11:49

General

  • Target

    DHL AWB 405986998.exe

  • Size

    936KB

  • MD5

    4b0c7e94c712a92bdb4a84ccef01ac26

  • SHA1

    108888e88b8b74ab567874a22abc8513d445678a

  • SHA256

    6f00ffaa9b0fe22f4e8e46fc35998010ecabecac8ffbdc4629e1b59372393a6b

  • SHA512

    4fa45c2246196ef1ccbd68b4329b3d6f79da8a5df79529628edcd6a1a5f7fc7d6f5740bf02f88a33288f6818dbdf221b7cc14731298af6a287fc0d2f04fc62cf

  • SSDEEP

    12288:+Fwj4Jdm9X2I6P3qoJsUkBY7kahSrePdxlqbvPK9DaqEPRCz+bIv/0xRSgHxOt9t:X0Jo91oJES97qlPRg+bIn0XLHxg2Qn

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mytravelexplorer.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2JWcb}iP#4]+

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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 18 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL AWB 405986998.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL AWB 405986998.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Platwf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB10B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3416
    • C:\Users\Admin\AppData\Local\Temp\DHL AWB 405986998.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB10B.tmp

    Filesize

    1KB

    MD5

    5165fcbd84f653ded5b3355c0eb6b49a

    SHA1

    5627521d150a7ea72f0485c6edbab182d2a498be

    SHA256

    2e21c645048ed215e2e338d9dc02f9ebdefbda6ba45e0de42329b572d38bdb41

    SHA512

    976dd24d5adccfd95322a2995f8e894997d65e423b6bb91e77fabb9e98e67be9c1cb90e1a23dcc5371941ff149cedbe439cb6e52de3850a17978ca7c571f5c8f

  • memory/1396-6-0x0000000005F60000-0x0000000005F68000-memory.dmp

    Filesize

    32KB

  • memory/1396-2-0x0000000005240000-0x00000000057E4000-memory.dmp

    Filesize

    5.6MB

  • memory/1396-3-0x0000000004D30000-0x0000000004DC2000-memory.dmp

    Filesize

    584KB

  • memory/1396-4-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

    Filesize

    40KB

  • memory/1396-5-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1396-19-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1396-7-0x000000007502E000-0x000000007502F000-memory.dmp

    Filesize

    4KB

  • memory/1396-8-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1396-9-0x0000000007C90000-0x0000000007D40000-memory.dmp

    Filesize

    704KB

  • memory/1396-10-0x0000000008190000-0x000000000822C000-memory.dmp

    Filesize

    624KB

  • memory/1396-1-0x0000000000250000-0x000000000033E000-memory.dmp

    Filesize

    952KB

  • memory/1396-0-0x000000007502E000-0x000000007502F000-memory.dmp

    Filesize

    4KB

  • memory/4800-14-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/4800-18-0x00000000051C0000-0x0000000005204000-memory.dmp

    Filesize

    272KB

  • memory/4800-16-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-17-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-20-0x0000000005370000-0x00000000053D6000-memory.dmp

    Filesize

    408KB

  • memory/4800-21-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-32-0x0000000007BC0000-0x0000000007C10000-memory.dmp

    Filesize

    320KB

  • memory/4800-33-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-41-0x0000000007B90000-0x0000000007BA4000-memory.dmp

    Filesize

    80KB

  • memory/4800-43-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-47-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-48-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB