Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 05:52

General

  • Target

    dbedd44f3539b4dd11f9d9b184d053c2_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    dbedd44f3539b4dd11f9d9b184d053c2

  • SHA1

    220b9dc0815ebeeaee9ade86f9e1b0e35113914d

  • SHA256

    c43541d5220c8987a9e4263bf945bfef11590b5627c3b5514e96452dc3271107

  • SHA512

    134d45ff728c1fc085e717bf7d58ea7bba9453c9a01433ea11b415a97d61ba6e55f38fa343865dfb79b18876d645628786879b6a67c62dda928821d9edb26e04

  • SSDEEP

    24576:gpugBnJmDdyLAmz1ImjXUDaP49IynuPKqx74KpK2Ci+:wBnyajjynuiqzo

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

Blesseddon.dynu.net:2590

127.0.0.1:2590

Mutex

9f1836fe-396e-4718-bbdc-a49520c64cd9

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2018-06-30T11:49:18.710523536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    2590

  • 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

    9f1836fe-396e-4718-bbdc-a49520c64cd9

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    Blesseddon.dynu.net

  • primary_dns_server

  • 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

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • NanoCore

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 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 12 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: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbedd44f3539b4dd11f9d9b184d053c2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dbedd44f3539b4dd11f9d9b184d053c2_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Users\Admin\AppData\Roaming\qOQiKCSVcNim.exe
      "C:\Users\Admin\AppData\Roaming\qOQiKCSVcNim.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • 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:2188
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 772
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3000
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /query
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2760
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /sc MINUTE /tn ipUOtq /MO 1 /tr "C:\ProgramData\Microsoft\execel.exe\
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2920
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2912
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:1740
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {958BB33F-1DC1-455A-ABC6-D3AED395451D} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\ProgramData\Microsoft\execel.exe
        C:\ProgramData\Microsoft\execel.exe "C:\ProgramData\Microsoft\execel.exe\"
        2⤵
        • Drops startup file
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /query
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2328
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1724
      • C:\ProgramData\Microsoft\execel.exe
        C:\ProgramData\Microsoft\execel.exe "C:\ProgramData\Microsoft\execel.exe\"
        2⤵
        • Drops startup file
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2692
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /query
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2240
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Microsoft\execel.exe

      Filesize

      1.7MB

      MD5

      dbedd44f3539b4dd11f9d9b184d053c2

      SHA1

      220b9dc0815ebeeaee9ade86f9e1b0e35113914d

      SHA256

      c43541d5220c8987a9e4263bf945bfef11590b5627c3b5514e96452dc3271107

      SHA512

      134d45ff728c1fc085e717bf7d58ea7bba9453c9a01433ea11b415a97d61ba6e55f38fa343865dfb79b18876d645628786879b6a67c62dda928821d9edb26e04

    • C:\Users\Admin\AppData\Roaming\Imminent\Path.dat

      Filesize

      50B

      MD5

      c7dc1c3dd6b3c7fda43f59e35c8e72af

      SHA1

      c9d90737dbb26589649d401cf216c092f2cec8e7

      SHA256

      12f13661d5cee757a6246e38e0d25ccb1d48f043ddb82c881f6762692858ccbb

      SHA512

      196afa55bf2b413dbebc9b7302a50fce8e50acf6f06e0c21b6525d0ee04e65d3735e18dff3d201e209ed9cb47d495dd9ffc780d8813b385f26811257ff86e667

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ipUOtq.url

      Filesize

      69B

      MD5

      06d592afb04a9941651f81729b8443ce

      SHA1

      773619a0381c9fc0167690ef3ade6d1862647743

      SHA256

      93d4831ecb5e8d6146ad8caa0cc9e5490beabe3d363a9b513b7d4ba594b81747

      SHA512

      8ebe45f871bb3472cf18d3bf88c26eb4adeda3ac9f881c0b08892fa50f3e5880b7012d8f489258566a5ff29172dbfdc0cbdc2c1896345de53068eac2e4435436

    • \Users\Admin\AppData\Roaming\qOQiKCSVcNim.exe

      Filesize

      202KB

      MD5

      e67586b95de499a83461731bf43d38eb

      SHA1

      f9e335e7722dc1b22e81149c223e766e0ae36e24

      SHA256

      aa5d288a84e5979c5ee22332cb3050861f4458d012c954f77f7d1ae56fc402b5

      SHA512

      0f9b44ec8a7e10c5bc3be06da51cdb558d4ae7722c7292b12a6a6e46d6c1898d100a01b98f6764e811020df003aa274afa30131831526b3386515af658840946

    • memory/1120-0-0x000000007473E000-0x000000007473F000-memory.dmp

      Filesize

      4KB

    • memory/1120-1-0x0000000000A80000-0x0000000000C28000-memory.dmp

      Filesize

      1.7MB

    • memory/1120-2-0x00000000009F0000-0x0000000000A84000-memory.dmp

      Filesize

      592KB

    • memory/1120-3-0x0000000000430000-0x000000000043C000-memory.dmp

      Filesize

      48KB

    • memory/1120-18-0x0000000004A20000-0x0000000004A76000-memory.dmp

      Filesize

      344KB

    • memory/1356-88-0x00000000048F0000-0x0000000004984000-memory.dmp

      Filesize

      592KB

    • memory/1356-86-0x0000000000DF0000-0x0000000000F98000-memory.dmp

      Filesize

      1.7MB

    • memory/2188-38-0x0000000000650000-0x0000000000655000-memory.dmp

      Filesize

      20KB

    • memory/2188-35-0x0000000000650000-0x0000000000655000-memory.dmp

      Filesize

      20KB

    • memory/2188-14-0x0000000071491000-0x0000000071492000-memory.dmp

      Filesize

      4KB

    • memory/2188-16-0x0000000071490000-0x0000000071A3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2188-19-0x0000000071490000-0x0000000071A3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2188-63-0x0000000071490000-0x0000000071A3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2188-34-0x0000000000650000-0x0000000000655000-memory.dmp

      Filesize

      20KB

    • memory/2188-43-0x00000000007E0000-0x00000000007E1000-memory.dmp

      Filesize

      4KB

    • memory/2188-41-0x00000000007E0000-0x00000000007E1000-memory.dmp

      Filesize

      4KB

    • memory/2188-40-0x0000000000650000-0x0000000000655000-memory.dmp

      Filesize

      20KB

    • memory/2188-60-0x0000000071490000-0x0000000071A3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2188-36-0x0000000000650000-0x0000000000655000-memory.dmp

      Filesize

      20KB

    • memory/2912-22-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/2912-20-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/2912-31-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/2912-30-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/2912-26-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/2912-24-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/2912-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2912-29-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB