Analysis

  • max time kernel
    148s
  • 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
    14-08-2024 10:12

General

  • Target

    95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe

  • Size

    458KB

  • MD5

    95a92cb1e2eb45772520a4ead4f0c238

  • SHA1

    af46b72a1bc9ced93ce5187b6e1817883f39d665

  • SHA256

    a3bd02befe701e339c84c365fbcde4f046b96a88942b86d38c479fcdd418af39

  • SHA512

    3e8fe27fa892ea3f54b18296824d6c31e32353718c048da032a4aa981b536cad08b699f2745904678f33be7168a9e33a6e3d4a14f158e3466622f0cf93b41531

  • SSDEEP

    12288:VnX0SCkPsVleAqBf8CBt+N/An1SivnUvZLWjqQ:VXUkkVMZBf8Cmon1SGUhLs

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.72:99

Mutex

2e737272-72f6-4a08-b1b1-9604212c255c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-07-06T02:26:21.105296836Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    99

  • default_group

    Default

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    2e737272-72f6-4a08-b1b1-9604212c255c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    79.134.225.72

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Checks computer location settings
    • Windows security modification
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2404
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AlAVZExVU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp90F0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3624
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3840
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp94B9.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4204
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WAN Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9537.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_klihnnjz.zma.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp90F0.tmp

    Filesize

    1KB

    MD5

    2e9d3cea3506a2fa4eedac8830ee1303

    SHA1

    b5c66c7664cd243640f7a9be65f68e6094cc5f21

    SHA256

    06badd2cf7f414af46c5c7b8ea4358fc32dd5cc08adb66c8176d4336dbc6573c

    SHA512

    6701aedcb8a6aa3dbedcabc372af4383e3078bfeb9be3a03a986101690fd634f52ebcf819278dacc9e15539343303b8a1b725ac8a2f3ef00c386e983847c31c6

  • C:\Users\Admin\AppData\Local\Temp\tmp94B9.tmp

    Filesize

    1KB

    MD5

    40b11ef601fb28f9b2e69d36857bf2ec

    SHA1

    b6454020ad2ceed193f4792b77001d0bd741b370

    SHA256

    c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

    SHA512

    e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

  • C:\Users\Admin\AppData\Local\Temp\tmp9537.tmp

    Filesize

    1KB

    MD5

    02783aa0d9a1a2104300bdd910c9b6dc

    SHA1

    0c8409582f9e606183eca539cc493d82983a0fb0

    SHA256

    59a13383f0495d96e868a7f41557d17f5afe15ce5548d7cc6c7501f6095f68fb

    SHA512

    11ef8bceddd6c0dc0ecec3e5bfbabba4595368b8b9be01a38ccbeaa509b7f99960fea6bbd83a37ea9807f79a5db08cdba1ec8ac85443ffdc3c0f204760153854

  • memory/2404-37-0x0000000006250000-0x000000000626E000-memory.dmp

    Filesize

    120KB

  • memory/2404-49-0x0000000007290000-0x0000000007298000-memory.dmp

    Filesize

    32KB

  • memory/2404-6-0x0000000004660000-0x0000000004696000-memory.dmp

    Filesize

    216KB

  • memory/2404-7-0x0000000072460000-0x0000000072C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-8-0x0000000004E20000-0x0000000005448000-memory.dmp

    Filesize

    6.2MB

  • memory/2404-9-0x0000000072460000-0x0000000072C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-10-0x0000000004D80000-0x0000000004DA2000-memory.dmp

    Filesize

    136KB

  • memory/2404-11-0x0000000005580000-0x00000000055E6000-memory.dmp

    Filesize

    408KB

  • memory/2404-12-0x00000000055F0000-0x0000000005656000-memory.dmp

    Filesize

    408KB

  • memory/2404-39-0x0000000072460000-0x0000000072C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-22-0x0000000005660000-0x00000000059B4000-memory.dmp

    Filesize

    3.3MB

  • memory/2404-23-0x0000000005C20000-0x0000000005C3E000-memory.dmp

    Filesize

    120KB

  • memory/2404-24-0x0000000005C50000-0x0000000005C9C000-memory.dmp

    Filesize

    304KB

  • memory/2404-41-0x00000000075B0000-0x0000000007C2A000-memory.dmp

    Filesize

    6.5MB

  • memory/2404-36-0x0000000072460000-0x0000000072C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-26-0x000000006E8E0000-0x000000006E92C000-memory.dmp

    Filesize

    304KB

  • memory/2404-40-0x0000000006E20000-0x0000000006EC3000-memory.dmp

    Filesize

    652KB

  • memory/2404-38-0x0000000072460000-0x0000000072C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-52-0x0000000072460000-0x0000000072C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-5-0x000000007246E000-0x000000007246F000-memory.dmp

    Filesize

    4KB

  • memory/2404-25-0x0000000006210000-0x0000000006242000-memory.dmp

    Filesize

    200KB

  • memory/2404-42-0x0000000006F70000-0x0000000006F8A000-memory.dmp

    Filesize

    104KB

  • memory/2404-43-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

    Filesize

    40KB

  • memory/2404-44-0x00000000071F0000-0x0000000007286000-memory.dmp

    Filesize

    600KB

  • memory/2404-45-0x0000000007170000-0x0000000007181000-memory.dmp

    Filesize

    68KB

  • memory/2404-46-0x00000000071A0000-0x00000000071AE000-memory.dmp

    Filesize

    56KB

  • memory/2404-47-0x00000000071B0000-0x00000000071C4000-memory.dmp

    Filesize

    80KB

  • memory/2404-48-0x00000000072B0000-0x00000000072CA000-memory.dmp

    Filesize

    104KB

  • memory/3840-62-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/3840-70-0x00000000749B2000-0x00000000749B3000-memory.dmp

    Filesize

    4KB

  • memory/3840-58-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3840-61-0x00000000749B2000-0x00000000749B3000-memory.dmp

    Filesize

    4KB

  • memory/3840-71-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/4976-3-0x00000000749B2000-0x00000000749B3000-memory.dmp

    Filesize

    4KB

  • memory/4976-60-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/4976-0-0x00000000749B2000-0x00000000749B3000-memory.dmp

    Filesize

    4KB

  • memory/4976-2-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/4976-1-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/4976-4-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB