Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/09/2024, 17:00

General

  • Target
    d8a5fc40c88a6e319d71af2346ce2b19_JaffaCakes118.exe
  • Size 1.0MB
  • Sample240910-vh5flsthpr
  • SHA256 f309e1a5b36ca0fa02eb6b5439dfe771e76f420ea18f7b5ac0a63950f03bc48f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • franex.sytes.net:19055

  • franexserve.duckdns.org:19055

Mutex
  • b419eeae-0d79-4132-aae3-286d9a62a602

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    franexserve.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-08-08T22:26:34.089187836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    19055

  • default_group

    franex

  • 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

    b419eeae-0d79-4132-aae3-286d9a62a602

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    franex.sytes.net

  • 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

  • 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.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8a5fc40c88a6e319d71af2346ce2b19_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d8a5fc40c88a6e319d71af2346ce2b19_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Users\Admin\AppData\Local\Temp\74106167\gsh.exe
      "C:\Users\Admin\AppData\Local\Temp\74106167\gsh.exe" qud=rwd
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Users\Admin\AppData\Local\Temp\74106167\gsh.exe
        C:\Users\Admin\AppData\Local\Temp\74106167\gsh.exe C:\Users\Admin\AppData\Local\Temp\74106167\NGMLS
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1436
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          4⤵
          • 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
          PID:2164
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4160,i,4356837537417149674,16553092232944545509,262144 --variations-seed-version --mojo-platform-channel-handle=1412 /prefetch:8
    1⤵
      PID:2892

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          NGMLS

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\NGMLS
          • Size 86KB
          • SHA256 f609571feadd1bc5055c1810cc1485adbff2dca84ebf49e36ce40c83ded84747
          • MD5 SHA1 SHA512 SSDEEP

          agu.icm

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\agu.icm
          • Size 651B
          • SHA256 97c5906cc234051d808e048cb2936635008789bbcaad3f681cbbb8851c6f444e
          • MD5 SHA1 SHA512

          aml.jpg

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\aml.jpg
          • Size 568B
          • SHA256 6c0adc6bc8a773c2c687b38e2ac2dd2ffdaf511cfa553f557983b53936c59932
          • MD5 SHA1 SHA512

          atl.bmp

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\atl.bmp
          • Size 545B
          • SHA256 4e9ce35c696e576a2189c227756921e77ac2ea7b9988e2ba3f6b099b9f54b1a4
          • MD5 SHA1 SHA512

          bms.dat

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\bms.dat
          • Size 566B
          • SHA256 2a58418d90a22e7e56ad0bac82364da02e1b634d55f6b2d6354c4fb698453c64
          • MD5 SHA1 SHA512

          cqb.xl

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\cqb.xl
          • Size 525B
          • SHA256 ace2ac3ef8bcf34ac9271fec57d0e5d97a4356a5ea14a0059651069b4fb91a4a
          • MD5 SHA1 SHA512

          cxr.pdf

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\cxr.pdf
          • Size 594B
          • SHA256 91520be312ae5f1f2176f49042d0282647dc8e07b400290b9b52794b8d4d012f
          • MD5 SHA1 SHA512

          eco.docx

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\eco.docx
          • Size 521B
          • SHA256 eb0d6e0b701b4eed48fb16d2566e03ece79a0b35c6c27bc9aeb56b39c8522efe
          • MD5 SHA1 SHA512

          fgu.pdf

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\fgu.pdf
          • Size 518B
          • SHA256 4ebb50c76a1f49e283a7061045a69ca51cc64d2eb5a152244e752b3ea09d255b
          • MD5 SHA1 SHA512

          fnc.docx

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\fnc.docx
          • Size 568B
          • SHA256 c9f66e5d4eb899a7f6c730a7dbb2e92fd17dfbd64f374561ba0ae5d6d46a4dfc
          • MD5 SHA1 SHA512

          fxr.jpg

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\fxr.jpg
          • Size 623B
          • SHA256 a4dd5d6f044c16d6063c566f2d0b6c6c8b44d0159074436f90eb2cc099af5afb
          • MD5 SHA1 SHA512

          gcg.xl

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\gcg.xl
          • Size 576B
          • SHA256 0b4306ac58c05c4bfa869661c79e35240cd1acf4401c790ce3f9da9f8e5f963c
          • MD5 SHA1 SHA512

          gfu.jpg

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\gfu.jpg
          • Size 555B
          • SHA256 2947a2b4d56bdb14dcde59776deec298943ed0bd6e5d07c7716e9af77e8f4476
          • MD5 SHA1 SHA512

          gmn.docx

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\gmn.docx
          • Size 568B
          • SHA256 2e01be8bc72f6f6c2f8ce987629380e80bff3911ad5d146b87c54eae7f6be821
          • MD5 SHA1 SHA512

          gsh.exe

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\gsh.exe
          • Size 872KB
          • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
          • MD5 SHA1 SHA512 SSDEEP

          gsk.mp4

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\gsk.mp4
          • Size 559B
          • SHA256 16d23445d9190ceb1ced3c7da01b5496cc6400a160ffebf611b4a3c30f50a34e
          • MD5 SHA1 SHA512

          hbe.xl

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\hbe.xl
          • Size 503B
          • SHA256 90bc5757f7aad979378b6cc173814fa990786cfbff7726bfb4041f5de2c412dd
          • MD5 SHA1 SHA512

          hvb.mp3

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\hvb.mp3
          • Size 509B
          • SHA256 96cb29ce4890d0a014343bd12627ab2e3dfbdb17dafe052ab7eaf3c095abc5d5
          • MD5 SHA1 SHA512

          icp.txt

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\icp.txt
          • Size 509B
          • SHA256 463ee71dc902ba7b3b76e3d2f9d6ca46db020adcaa1c28020e3342c4f12007b4
          • MD5 SHA1 SHA512

          ids.docx

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\ids.docx
          • Size 514B
          • SHA256 c30593d4ef98980eb601f651b99d319dd631bf76616b9bb64b71850f8e2b55a8
          • MD5 SHA1 SHA512

          idt.txt

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\idt.txt
          • Size 602B
          • SHA256 a32dd3b5ea3ce78c735e500eba6102a096bbeb4285d473375aeb1cae3123b4c2
          • MD5 SHA1 SHA512

          imo.icm

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\imo.icm
          • Size 543B
          • SHA256 02c4d73189330efab7f6e20d4875a26d59563ebad6f544f84896e94e75935707
          • MD5 SHA1 SHA512

          itb.txt

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\itb.txt
          • Size 527B
          • SHA256 7ebd970763a3c629b12b9542fc893f324caa95bc3a367818816c95f526c25a02
          • MD5 SHA1 SHA512

          iwa.bmp

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\iwa.bmp
          • Size 555B
          • SHA256 5c6840574821b9bd64fe6502bb25a472d8df52d5b33d3b8eda50d9e87de40324
          • MD5 SHA1 SHA512

          jcb.bmp

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\jcb.bmp
          • Size 564B
          • SHA256 a225482a887654bbdf8cbea8f6b429e0c54f6adad1a1fc5ddf51ad33a5a75e0e
          • MD5 SHA1 SHA512

          jeo.xl

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\jeo.xl
          • Size 517B
          • SHA256 97fa926f2f7c2c8aee94e4c1fb9ec6e9c686d4d2345937cf1d2a2eb62a142881
          • MD5 SHA1 SHA512

          jge.jpg

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\jge.jpg
          • Size 504B
          • SHA256 3c2d92a1a246a13e499e1ccd0650ba129330167ad324d9efab5590de5d5b6ea6
          • MD5 SHA1 SHA512

          kcq.ppt

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\kcq.ppt
          • Size 545B
          • SHA256 930165c73a257bf12a7654b8b07f14ca7505594eafcae48abd6798795676ea55
          • MD5 SHA1 SHA512

          khu.xl

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\khu.xl
          • Size 525B
          • SHA256 37479a58c8280c0334475b1907f5d17a3c86cfdc2bfeb18fcfdaffec375324d8
          • MD5 SHA1 SHA512

          kkg.ppt

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\kkg.ppt
          • Size 507B
          • SHA256 b475e063671d1f957510cbe624b5b9c20073ae9cd94fd8bebf99d9a9ee982370
          • MD5 SHA1 SHA512

          krd.xl

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\krd.xl
          • Size 505B
          • SHA256 0a8b51a624dd48b8babe9c8f7260e003c880a70c2224446e72941647a5e75b5c
          • MD5 SHA1 SHA512

          lhr.pdf

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\lhr.pdf
          • Size 581KB
          • SHA256 656b3d695d4e2d09642ab471a011c1f1c0609de09211a4c8c3b8e58bc483e6dc
          • MD5 SHA1 SHA512 SSDEEP

          mji.docx

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\mji.docx
          • Size 504B
          • SHA256 a2a8de7f74642de342801dc2c30c72ba7f4d1a51323f4d97b50f26397fb73e36
          • MD5 SHA1 SHA512

          mnf.icm

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\mnf.icm
          • Size 642B
          • SHA256 5ba8a9607e17e46887a1b019a2c94c04d5355714932f473c172ac9ebd0d07121
          • MD5 SHA1 SHA512

          nrn.jpg

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\nrn.jpg
          • Size 512B
          • SHA256 c8ee3313f1677ef384b8dd5fc094f76f9447d0ab1684d57370f04c4a4ba4b296
          • MD5 SHA1 SHA512

          orv.mp3

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\orv.mp3
          • Size 578B
          • SHA256 6abc02a6cc212155c1bbbec7f0dcea15b933968be756618de768cce677ee5818
          • MD5 SHA1 SHA512

          puk.mp4

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\puk.mp4
          • Size 527B
          • SHA256 99c8955e0188144c40c1661ab5abbea3107a3faa423a42b7c64ce770f0aae3e5
          • MD5 SHA1 SHA512

          qmc.jpg

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\qmc.jpg
          • Size 512B
          • SHA256 c4cfa007cac288b4a25b0f589e930ee8c5b062df79b7651da045a27bbb322e28
          • MD5 SHA1 SHA512

          qud=rwd

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\qud=rwd
          • Size 123KB
          • SHA256 b3104b99b2bdb129d67a607cc4cc954f690fbf374ac5f99d3ebf1c45c196aebe
          • MD5 SHA1 SHA512 SSDEEP

          qxh.xl

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\qxh.xl
          • Size 546B
          • SHA256 03da7dcf3e1e7355463960737dc7c50a62cc76eed51e3932cd09f9831c07704a
          • MD5 SHA1 SHA512

          rbm.ico

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\rbm.ico
          • Size 530B
          • SHA256 a6052273c19341943ce443ef8200d4446a936c3b91dcb1e9513d2efab4d29790
          • MD5 SHA1 SHA512

          tcm.dat

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\tcm.dat
          • Size 551B
          • SHA256 0f8ea81d684bcf4e050b31e4be8ecf8097d3a7ab133c07b4002b73d986762505
          • MD5 SHA1 SHA512

          une.dat

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\une.dat
          • Size 548B
          • SHA256 15671fb8d5d075a4e574b7c405434e29d14fa60ad4dfac35ec8a09ae010f4d91
          • MD5 SHA1 SHA512

          vcd.icm

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\vcd.icm
          • Size 522B
          • SHA256 9e33f1c9dc3fdb2d96748ce4c04665d48b36d66a336ea82ebc0424907ce41adb
          • MD5 SHA1 SHA512

          wcn.ico

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\wcn.ico
          • Size 562B
          • SHA256 1d8d46470d772461b6d34751678fc18f1e9b857f2f4c10b96728daf567c0d7c7
          • MD5 SHA1 SHA512

          wtv.mp4

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\wtv.mp4
          • Size 573B
          • SHA256 ba5d6ff754fd686fc7f605e4df5d033554d9061a9531184561628c01fc851544
          • MD5 SHA1 SHA512

          xei.mp3

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\xei.mp3
          • Size 518B
          • SHA256 23c449d8e1c42a5ddbcce9aa11f252ddf678f456db65cbfa48c992c537fcd0cf
          • MD5 SHA1 SHA512

          xnb.txt

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\xnb.txt
          • Size 566B
          • SHA256 c0a34b38dc262dd6459140ab8df5f4c7074272738ef3b6c1688ffdaa37d6df9e
          • MD5 SHA1 SHA512

          xpm.txt

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\xpm.txt
          • Size 587B
          • SHA256 356e8fe2954ae09150570e5e6e33d10c84467d4a53935ecdfead28ebb8397f81
          • MD5 SHA1 SHA512

          xtf.xl

          • Path C:\Users\Admin\AppData\Local\Temp\74106167\xtf.xl
          • Size 538B
          • SHA256 ccb20343bc424897314b39a18e71e2b94a47dd5b377aa9c5a84d46a324b13b1d
          • MD5 SHA1 SHA512

          memory/2164-166-0x0000000005E70000-0x0000000005E7A000-memory.dmp

          memory/2164-167-0x0000000005E80000-0x0000000005E9E000-memory.dmp

          memory/2164-168-0x0000000006960000-0x000000000696A000-memory.dmp

          memory/2164-163-0x0000000005A50000-0x0000000005A5A000-memory.dmp

          memory/2164-162-0x0000000005AD0000-0x0000000005B6C000-memory.dmp

          memory/2164-161-0x0000000005990000-0x0000000005A22000-memory.dmp

          memory/2164-160-0x0000000005EA0000-0x0000000006444000-memory.dmp

          memory/2164-159-0x0000000000400000-0x0000000000438000-memory.dmp