Analysis

  • max time kernel
    115s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 03:36

General

  • Target

    Swift_Copy_Payment.exe

  • Size

    918KB

  • MD5

    846b886920f8e2ddb108948bdb698fef

  • SHA1

    f1af2a39df543d411d2d51f3672f883b1f323703

  • SHA256

    0bfcce1f84c087a485b7284646dd5218ed12ca7814f6b40fc5126da55f18adef

  • SHA512

    c9c843dd9df1f5fa2fd61253510c46c7444f5ff77cf6577bea8de00d7d7aff26c6bb506f48f4c80e5146d1930fc96083becd12a44622d292c3b3338a11aeafc8

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.6.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 5:19:42 AM MassLogger Started: 5/21/2022 5:19:31 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Swift_Copy_Payment.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    biggod1234@

Signatures

  • MassLogger

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

  • MassLogger Main Payload 32 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • ReZer0 packer 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 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 15 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\Swift_Copy_Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift_Copy_Payment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OgbBYOJqnGVf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2FD8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1756
    • C:\Users\Admin\AppData\Local\Temp\Swift_Copy_Payment.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2FD8.tmp

    Filesize

    1KB

    MD5

    409a9a3b18ced5422c9cf80dcb51d54e

    SHA1

    81969efc0eb08152071b31079accb12a35892e61

    SHA256

    d9513a490e767ee37dbe0a34e016b7e4196fa15b1844d6fc174a4a5f6532072a

    SHA512

    0f667b31f3d0e4344ca77dc67b99e575df4e18521762bb1286d80b77a8dcf47f82dccaabf58d68c45ffc79fac48b9e8449696271b5561221ceb4ac7acbdcef92

  • memory/1660-55-0x0000000076781000-0x0000000076783000-memory.dmp

    Filesize

    8KB

  • memory/1660-56-0x0000000000420000-0x0000000000434000-memory.dmp

    Filesize

    80KB

  • memory/1660-57-0x00000000051C0000-0x0000000005278000-memory.dmp

    Filesize

    736KB

  • memory/1660-54-0x00000000013E0000-0x00000000014CC000-memory.dmp

    Filesize

    944KB

  • memory/1712-84-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-92-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-61-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-63-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-64-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-65-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-66-0x00000000004ACBAE-mapping.dmp

  • memory/1712-68-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-70-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-72-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-74-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-76-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-78-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-80-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-82-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-590-0x0000000001380000-0x0000000001394000-memory.dmp

    Filesize

    80KB

  • memory/1712-86-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-88-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-90-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-60-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-94-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-96-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-98-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-100-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-102-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-104-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-106-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-108-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-110-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-112-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-114-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-116-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-118-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-120-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-122-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1712-587-0x0000000000530000-0x0000000000574000-memory.dmp

    Filesize

    272KB

  • memory/1712-589-0x0000000004D75000-0x0000000004D86000-memory.dmp

    Filesize

    68KB

  • memory/1756-58-0x0000000000000000-mapping.dmp