Resubmissions

13-10-2024 20:00

241013-yrfemazeqm 10

08-10-2024 01:41

241008-b4e83awgqa 10

22-08-2024 23:22

240822-3czl6svhqr 10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 01:41

General

  • Target

    b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe

  • Size

    888KB

  • MD5

    b977a9f58910d5b0c1eb2501089b3d84

  • SHA1

    1bc0e60b3397560414c1f0dbbe9b716b83b1685d

  • SHA256

    619ae9f6605a4c01851999c358172385764b50bb32abbe80f2d3ed341807c137

  • SHA512

    f22033bc480c5bc5b52986b91b66fbf2443dfec1b2399a2b7e1f097991dfbffec07e52c8e7f4bb998c8cda34526b96f300387db36cea2eecfb33f9c832e6e1cf

  • SSDEEP

    24576:Uww2Y8ILo2jFk4Y+7801MqdGT6GTL8nLneWVE58QbgK0PWtt2:Uw9UI+A0uV6GTyLnetgK3tt

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 1 IoCs
  • 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 42 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YrDIJR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F3F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3692
    • C:\Users\Admin\AppData\Local\Temp\b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe"
      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:4708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • C:\Users\Admin\AppData\Local\Temp\tmp6F3F.tmp

    Filesize

    1KB

    MD5

    353c985401695cf809f5592181146555

    SHA1

    6998bb8de0f564211b61d49e3060faa60d5ee8f5

    SHA256

    6d7f44651c6a4326420103148c15ff77ac84c7569b0ed5ca3f8cd3bf4d1b4b1c

    SHA512

    31e3ed430354b08ae21ff55507afc1ad4793d54abe84dec9773065fbe62f7238963f032b3ec7de2300041b9ca12f3f253d5170fdb00793dbfcc428c22a9dd266

  • memory/3008-7-0x0000000004F80000-0x0000000004FD6000-memory.dmp

    Filesize

    344KB

  • memory/3008-9-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

    Filesize

    4KB

  • memory/3008-2-0x0000000004CF0000-0x0000000004D8C000-memory.dmp

    Filesize

    624KB

  • memory/3008-5-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

    Filesize

    40KB

  • memory/3008-6-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

    Filesize

    4KB

  • memory/3008-8-0x0000000004F40000-0x0000000004F58000-memory.dmp

    Filesize

    96KB

  • memory/3008-22-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-10-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-11-0x0000000005C80000-0x0000000005D3C000-memory.dmp

    Filesize

    752KB

  • memory/3008-12-0x00000000059F0000-0x00000000059F6000-memory.dmp

    Filesize

    24KB

  • memory/3008-13-0x0000000005D40000-0x0000000005DDC000-memory.dmp

    Filesize

    624KB

  • memory/3008-4-0x0000000004D90000-0x0000000004E22000-memory.dmp

    Filesize

    584KB

  • memory/3008-3-0x0000000005340000-0x00000000058E4000-memory.dmp

    Filesize

    5.6MB

  • memory/3008-1-0x0000000000240000-0x0000000000324000-memory.dmp

    Filesize

    912KB

  • memory/4708-44-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4708-23-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4708-25-0x0000000005130000-0x0000000005174000-memory.dmp

    Filesize

    272KB

  • memory/4708-24-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4708-26-0x00000000052C0000-0x0000000005326000-memory.dmp

    Filesize

    408KB

  • memory/4708-27-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4708-28-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4708-29-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4708-30-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4708-32-0x0000000007DA0000-0x0000000007DF0000-memory.dmp

    Filesize

    320KB

  • memory/4708-33-0x0000000006DF0000-0x0000000006E04000-memory.dmp

    Filesize

    80KB

  • memory/4708-19-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB