Analysis

  • max time kernel
    134s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 07:54

General

  • Target

    a6c09767f7b9b02156bd3e4f67764e79_JaffaCakes118.exe

  • Size

    922KB

  • MD5

    a6c09767f7b9b02156bd3e4f67764e79

  • SHA1

    5aa1d0515cd9ca1802c872cd8a9354b65cef7463

  • SHA256

    2183dd8a07c328ff41cf8fedc06bdc9ec8166d6c11691cb6d379899318d8e555

  • SHA512

    5f7072604303b4bea39a1c4751e09eb8399d9a10984ba2ddb699680145c952fb71d180e3e56135d30aa9639e9f5ff3899a3e58a2b7ab5d0ec38b88f94f17aa50

  • SSDEEP

    24576:g831bHyqkkvaWB5DQaL+YFswDsd8U0Gdb:g83xjfa65DeYeCUr

Malware Config

Extracted

Family

blustealer

Credentials

  • Protocol:
    smtp
  • Host:
    mail.masarprecast.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Masar@Shj06

Signatures

  • A310logger

    A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • A310logger family
  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Blustealer family
  • A310logger Executable 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • 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 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6c09767f7b9b02156bd3e4f67764e79_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a6c09767f7b9b02156bd3e4f67764e79_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LEjGKtEzH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6519.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2836
    • C:\Users\Admin\AppData\Local\Temp\a6c09767f7b9b02156bd3e4f67764e79_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a6c09767f7b9b02156bd3e4f67764e79_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • outlook_office_path
        • outlook_win_path
        PID:2948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6519.tmp

    Filesize

    1KB

    MD5

    6f66ca4c5d6a157b994ae7d80d569140

    SHA1

    1745fcf60cc002a84398586b56baa6d1be91285d

    SHA256

    ed68779478d88f4c7e336889c9f2589ed8980df9136b81b730421d90fc59442a

    SHA512

    0fbc610904a54f638f6819eef532b3c7dbdfbf68473354af73d85adfc36b61ba756bfe19db414f28989c509b5ed988a2e13e58ea6318d6463c43f769e30a22a2

  • C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\TEMPLA~1\LNDZL4~1.ZIP

    Filesize

    285KB

    MD5

    40a9752d59f2883e40d928f85a749008

    SHA1

    c60fb58eff64a7969b46f3934766f991352eeb47

    SHA256

    ef95540ec8dae3d255439fb847d26397c265b5cccda5ed0d6b9ed3dda14a2820

    SHA512

    ce33985f91103315accb1039635488d7e144df264bab8e164c1f9844ce6923e1c9c76349f14542901887ffcbbbca40b92cf474126f0b94893e8af1f608464b3c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe

    Filesize

    689KB

    MD5

    91b41651e6e9ab352805c6d35a297d08

    SHA1

    11b8eaa7b7941461bc952b11ec3f07d25dcd1c2e

    SHA256

    0872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723

    SHA512

    b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892

  • memory/2408-27-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-1-0x0000000000D70000-0x0000000000E5C000-memory.dmp

    Filesize

    944KB

  • memory/2408-5-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-6-0x00000000082E0000-0x00000000083AE000-memory.dmp

    Filesize

    824KB

  • memory/2408-7-0x0000000005E00000-0x0000000005E62000-memory.dmp

    Filesize

    392KB

  • memory/2408-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/2408-2-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-3-0x0000000000430000-0x0000000000446000-memory.dmp

    Filesize

    88KB

  • memory/2408-4-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/2616-21-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2616-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2616-17-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2616-15-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2616-25-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2616-13-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2616-60-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2948-58-0x0000000000890000-0x0000000000942000-memory.dmp

    Filesize

    712KB