Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 00:24

General

  • Target

    c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe

  • Size

    445KB

  • MD5

    c5052a4af2f30bb484ed1814798b3348

  • SHA1

    e1b3256191cd19bbb654667a9a2f1ae2218bd221

  • SHA256

    82f425150e933ae4f1f3174cf68bbfdb0e8ed8767b511e80ff95595881c9867b

  • SHA512

    5283d6182f50d2332025f8310604478379d34c34effd300f3ab18752e20ce96b41eb2f45b582e67d73ee2c1e3387479029f7620f84d149886f4a0fe4bae503c9

  • SSDEEP

    12288:D0aTjl7CIIf7lfoQpxmk/9z92FQI8n42ru:RTjlGIIfB5pQIfo8n42C

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

195.242.110.183:5654

Mutex

91612fd5-69d9-4114-9ab3-91d748463d48

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    195.242.110.183

  • backup_dns_server

    195.242.110.183

  • buffer_size

    65535

  • build_time

    2021-05-21T07:22:15.520160336Z

  • 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

    5654

  • 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

    91612fd5-69d9-4114-9ab3-91d748463d48

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    195.242.110.183

  • primary_dns_server

    195.242.110.183

  • 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

  • NanoCore

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

  • Nanocore family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection 8.8.8.8
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1360
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection 8.8.8.8
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4840
    • C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
      2⤵
      • 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 WriteProcessMemory
      PID:3004
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE9A4.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3672
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEA03.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    7ebe314bf617dc3e48b995a6c352740c

    SHA1

    538f643b7b30f9231a3035c448607f767527a870

    SHA256

    48178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8

    SHA512

    0ba9d8f4244c15285e254d27b4bff7c49344ff845c48bc0bf0d8563072fab4d6f7a6abe6b6742e8375a08e9a3b3e5d5dc4937ab428dbe2dd8e62892fda04507e

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

    Filesize

    2KB

    MD5

    0774a05ce5ee4c1af7097353c9296c62

    SHA1

    658ff96b111c21c39d7ad5f510fb72f9762114bb

    SHA256

    d9c5347ed06755feeb0615f1671f6b91e2718703da0dbc4b0bd205cbd2896dd4

    SHA512

    104d69fc4f4aaa5070b78ada130228939c7e01436351166fe51fe2da8a02f9948e6d92dd676f62820da1813872b91411e2f863c9a98a760581ec34d4aa354994

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    19KB

    MD5

    788d1c0231c39c83b355f003b2aaafac

    SHA1

    c839244e69e1765577ad67024ea131ef96bd97cc

    SHA256

    71f776ed11e5fdff9d51c197cea44a0a1fddc04b06f47eaac7623f1fc3036383

    SHA512

    2933a8c20a8d14c4a108e3e97bf2f25ab98d15d06bb28f177c264c61237d4d50a658ea6c540d014e7cdf90624367617f5bfbce9665c4866c7864462605d71e52

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3le2zchr.1dp.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE9A4.tmp

    Filesize

    1KB

    MD5

    e6a32e0c3c2d508fbceb4b4c35aef127

    SHA1

    03aec97f485fb9d33989f74683f8a191cd747187

    SHA256

    e530569890d87203f16610bfc5cac4a47ce2fba5ef7ec5f3f12e806bd92f4582

    SHA512

    d2f8c2a604c98c259096e4e262bcd1079975d5d52ac6e750e74e37ab27bd622c5e7a89b35f1e5ea7943b8dbc001591a8645c835f2d01e795337e7f8b026fd58e

  • C:\Users\Admin\AppData\Local\Temp\tmpEA03.tmp

    Filesize

    1KB

    MD5

    7f4b37265a0a4b0fea67999d11d911e8

    SHA1

    1b8e13e6a27c3768c30cf713b79eaa8a757e1349

    SHA256

    39b16b3a00b6b43c6820357127228c0768a577153014ce7b0ea3c585244dc08b

    SHA512

    ef97ccfb663555aedc7fdc4b3ac4cd6536c80a778b4ec3bc6124a09544733988de1dac1e6a3714b0d6e8713e3523e0732d5dfcf674f2c5e1f3eadacb0c8e5e03

  • memory/1360-25-0x0000000006010000-0x000000000605C000-memory.dmp

    Filesize

    304KB

  • memory/1360-26-0x0000000006FD0000-0x0000000007066000-memory.dmp

    Filesize

    600KB

  • memory/1360-14-0x0000000005A00000-0x0000000005D54000-memory.dmp

    Filesize

    3.3MB

  • memory/1360-11-0x0000000005280000-0x00000000052E6000-memory.dmp

    Filesize

    408KB

  • memory/1360-13-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1360-24-0x0000000005F80000-0x0000000005F9E000-memory.dmp

    Filesize

    120KB

  • memory/1360-10-0x00000000050E0000-0x0000000005102000-memory.dmp

    Filesize

    136KB

  • memory/1360-8-0x00000000053D0000-0x00000000059F8000-memory.dmp

    Filesize

    6.2MB

  • memory/1360-27-0x00000000064B0000-0x00000000064CA000-memory.dmp

    Filesize

    104KB

  • memory/1360-28-0x0000000006500000-0x0000000006522000-memory.dmp

    Filesize

    136KB

  • memory/1360-29-0x0000000008250000-0x00000000088CA000-memory.dmp

    Filesize

    6.5MB

  • memory/1360-32-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1360-7-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1360-12-0x00000000052F0000-0x0000000005356000-memory.dmp

    Filesize

    408KB

  • memory/1360-6-0x0000000002690000-0x00000000026C6000-memory.dmp

    Filesize

    216KB

  • memory/1360-9-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3004-2135-0x0000000006700000-0x000000000670A000-memory.dmp

    Filesize

    40KB

  • memory/3004-2123-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3004-2125-0x0000000005540000-0x00000000055DC000-memory.dmp

    Filesize

    624KB

  • memory/3004-2133-0x0000000006530000-0x000000000653A000-memory.dmp

    Filesize

    40KB

  • memory/3004-2134-0x00000000065C0000-0x00000000065DE000-memory.dmp

    Filesize

    120KB

  • memory/4720-111-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-81-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/4720-1-0x0000000000D90000-0x0000000000E06000-memory.dmp

    Filesize

    472KB

  • memory/4720-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4720-52-0x0000000006A60000-0x0000000006AC8000-memory.dmp

    Filesize

    416KB

  • memory/4720-53-0x0000000007560000-0x00000000075CC000-memory.dmp

    Filesize

    432KB

  • memory/4720-61-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-67-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-117-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-115-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-3-0x0000000005890000-0x0000000005922000-memory.dmp

    Filesize

    584KB

  • memory/4720-109-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-107-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-105-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-103-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-101-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-99-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-95-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-93-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-91-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-89-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-88-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-86-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-83-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-4-0x0000000005970000-0x000000000597A000-memory.dmp

    Filesize

    40KB

  • memory/4720-79-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-77-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-75-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-73-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-71-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-65-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-63-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-113-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-97-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-70-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-59-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-57-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-55-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-54-0x0000000007560000-0x00000000075C6000-memory.dmp

    Filesize

    408KB

  • memory/4720-34-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4720-33-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/4720-2124-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4720-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4840-38-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4840-36-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4840-51-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4840-37-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4840-48-0x0000000005EF0000-0x0000000006244000-memory.dmp

    Filesize

    3.3MB