Analysis

  • max time kernel
    113s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2022 16:12

General

  • Target

    fgh.exe

  • Size

    695KB

  • MD5

    c980c7e6f4087c91113528f72c824192

  • SHA1

    4e2bba5c5ced0a245e372fed825c829ba47ba5f2

  • SHA256

    feb81e1b4ff1bd5cc83dc87f6a67629b5c64bc4f8460c6b5084022512c5c426d

  • SHA512

    32b034aa526717e99f736a80091f1378a6fc6fdee1ef066288484ebc0779e9b11c0038db82e61123e89d3ef68a381edbadd1c56b11d4294521992181cb6063f3

  • SSDEEP

    12288:RNmuYu9aooBha0zajauQwTVnTAI8KzjGFg7XvZA7CFTGSEZTjU4Ptl4hDEJ2UZ0e:RNmLuAoon6mwhnz1jGFgzvZAmLEZ84VH

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\19D9201D49\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.50 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: 10/7/2022 6:12:45 PM MassLogger Started: 10/7/2022 6:12:38 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe MassLogger Melt: false MassLogger Exit after delivery: true As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Downloader ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> Disabled

Signatures

  • MassLogger

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

  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 10 IoCs
  • 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 52 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fgh.exe
    "C:\Users\Admin\AppData\Local\Temp\fgh.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe
      "C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:808
      • C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe
        "C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe"
        3⤵
        • Checks computer location settings
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1476
      • C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe
        "C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe"
        3⤵
        • Checks computer location settings
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 1180
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1392

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\fxhdzjtc.tsq
    Filesize

    789KB

    MD5

    f4ad3ae924badc2c1723c9570c25ef28

    SHA1

    896db1851073fbc39b635900d2a98c192ac93782

    SHA256

    798e904651423afb836a588dfc4882268f59273113e7609836eca6da33a46be9

    SHA512

    ef7c4b0d1ceccab678a3db805e1e0bed52720e7583fe96a83360a961c2aa2214847fb8ff39128b0266770000d7a7ba64b45fd77dbc19dbd887a0f8023269dc2a

  • C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • C:\Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • C:\Users\Admin\AppData\Local\Temp\nmyqizhdnsw.m
    Filesize

    4KB

    MD5

    3ae1e92fdb4d94a3450296358659f81d

    SHA1

    3da9f669552a0ddc138d3b9987acb43c353f25ed

    SHA256

    97f4850c50402a73f7c89ed99bd8cec847fdd2bf0c2f0c3e33a887f30ad80f09

    SHA512

    baaedcdd57088abbc76cec78c05c82099a2d6b9e4721631dbc2a076f7dc0c0e79ce3c5c7663cc998e57152385bcd570c99f07d2f4cf881163f5ff54b31378d61

  • \Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • \Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • \Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • \Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • \Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • \Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • \Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • \Users\Admin\AppData\Local\Temp\jhhbqiui.exe
    Filesize

    6KB

    MD5

    ce904e329b38ce9266a0117d7a9670bf

    SHA1

    02e84372e2cd09b10b4a5aa9e267504984187f8e

    SHA256

    2164fd18f21eef4682a956a84c45a63d3cb47ddad81fdc69a79443bf7fba7bf6

    SHA512

    aae956016615fb078c93c0863976c63c12c3d966891698aad572458671323fb3a5d366b90e2b54ffe9d30dfdc56ceb37100d02395d3f2700a781919e5fab8e3f

  • memory/808-56-0x0000000000000000-mapping.dmp
  • memory/896-54-0x0000000075B41000-0x0000000075B43000-memory.dmp
    Filesize

    8KB

  • memory/1376-72-0x0000000004AD9000-0x0000000004AEA000-memory.dmp
    Filesize

    68KB

  • memory/1376-67-0x0000000000401896-mapping.dmp
  • memory/1376-70-0x0000000004350000-0x0000000004408000-memory.dmp
    Filesize

    736KB

  • memory/1376-81-0x0000000004AD9000-0x0000000004AEA000-memory.dmp
    Filesize

    68KB

  • memory/1392-74-0x0000000000000000-mapping.dmp
  • memory/1476-63-0x0000000000401896-mapping.dmp
  • memory/1476-73-0x0000000000279000-0x000000000028A000-memory.dmp
    Filesize

    68KB

  • memory/1476-71-0x0000000000AF0000-0x0000000000B68000-memory.dmp
    Filesize

    480KB

  • memory/1476-80-0x0000000000279000-0x000000000028A000-memory.dmp
    Filesize

    68KB