Analysis

  • max time kernel
    95s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 16:38

General

  • Target

    a768546a53121478d2b633758ad0a762_JaffaCakes118.exe

  • Size

    806KB

  • MD5

    a768546a53121478d2b633758ad0a762

  • SHA1

    8ddf7b31108d3e9089136583e6d6777a494688aa

  • SHA256

    cb554ff729a2e33d8ecc4ec2a6dbce1b35052760d87412682e1b5e678b569225

  • SHA512

    1b9ac4020c48340535ea7d6ae1f2f8c9956b61f92e7b4e0bc929068efb91bed78e1843e050884b399f801c96ffb7c0588c19722bb6015a04ac7554fbb046debe

  • SSDEEP

    12288:/Tv2zv1g09HIdQ8UjzaxMbLYQmBLagQJw5BYpFRU1Ad8FV+kPTgXlvM19tt0:S2Kn5wJRBLals+pmAd4+kLg1Uztt0

Malware Config

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 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 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\a768546a53121478d2b633758ad0a762_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a768546a53121478d2b633758ad0a762_JaffaCakes118.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:212
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DSJpkmP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp461C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2116
    • C:\Users\Admin\AppData\Local\Temp\a768546a53121478d2b633758ad0a762_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a768546a53121478d2b633758ad0a762_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:1824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a768546a53121478d2b633758ad0a762_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • C:\Users\Admin\AppData\Local\Temp\tmp461C.tmp

    Filesize

    1KB

    MD5

    51b05a4ccedf8a9998c9fe07efd8cbc5

    SHA1

    728084bedb27f57a9f9fa8899123cc7fbdd4afa5

    SHA256

    dba5c9f1b16b834c117fe157b3005512c87dbb9b02690ce012ab7ad9d0120b9a

    SHA512

    2dfbc592711537dc77c71a31fb402592ac7aedbc40164ee8a577292931c25e0b875fabbffbf11535c09c534e1aeb355b58764267566e661af6d175f3dbb10ee2

  • memory/212-7-0x0000000005980000-0x00000000059D6000-memory.dmp

    Filesize

    344KB

  • memory/212-9-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

    Filesize

    4KB

  • memory/212-2-0x0000000005620000-0x00000000056BC000-memory.dmp

    Filesize

    624KB

  • memory/212-5-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/212-6-0x0000000005730000-0x000000000573A000-memory.dmp

    Filesize

    40KB

  • memory/212-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

    Filesize

    4KB

  • memory/212-8-0x00000000059E0000-0x00000000059F8000-memory.dmp

    Filesize

    96KB

  • memory/212-1-0x0000000000C20000-0x0000000000CF0000-memory.dmp

    Filesize

    832KB

  • memory/212-10-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/212-11-0x0000000006430000-0x00000000064D8000-memory.dmp

    Filesize

    672KB

  • memory/212-12-0x0000000005C40000-0x0000000005C46000-memory.dmp

    Filesize

    24KB

  • memory/212-13-0x00000000066E0000-0x000000000677C000-memory.dmp

    Filesize

    624KB

  • memory/212-4-0x0000000005770000-0x0000000005802000-memory.dmp

    Filesize

    584KB

  • memory/212-3-0x0000000005C80000-0x0000000006224000-memory.dmp

    Filesize

    5.6MB

  • memory/212-22-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-44-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-24-0x0000000005890000-0x00000000058D4000-memory.dmp

    Filesize

    272KB

  • memory/1824-23-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-25-0x0000000005A00000-0x0000000005A66000-memory.dmp

    Filesize

    408KB

  • memory/1824-26-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-27-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-28-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-29-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-31-0x00000000082A0000-0x00000000082F0000-memory.dmp

    Filesize

    320KB

  • memory/1824-32-0x0000000008260000-0x0000000008274000-memory.dmp

    Filesize

    80KB

  • memory/1824-40-0x0000000074E00000-0x00000000755B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-19-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB