Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-01-2024 05:45

General

  • Target

    df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763.exe

  • Size

    291KB

  • MD5

    2fec9bf50de5395f799b23a1099b10d6

  • SHA1

    6000969e75d7d7a3fa1b908bdb9d5daeb5f2534e

  • SHA256

    df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763

  • SHA512

    5f6885fb1940ee4f84507e2b7929f637d8f264a5c77329aeae31803b772608ea93370177017f90f6f8d8bc9e0b30eb8607ed120d4ead68104fd70feec71a9ab8

  • SSDEEP

    6144:pdSK04ETTZ+4TBpvjLCnVlBpevKBauJirVuD05VSKJ:poL4EnU4T/vjLeVlayRihuA5D

Malware Config

Signatures

  • Jigsaw Ransomware

    Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

  • Renames multiple (2089) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763.exe
    "C:\Users\Admin\AppData\Local\Temp\df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      PID:692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\invalid32x32.gif.zemblax

    Filesize

    160B

    MD5

    000e8c41d4a15fb34d0be0dbb56e3778

    SHA1

    00c4eae64ee6239d7c65d819c6ce1ac329224f8c

    SHA256

    8bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28

    SHA512

    775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\epl-v10.html.zemblax

    Filesize

    12KB

    MD5

    bd42ba47ff97fd7e395c90f79e0f9508

    SHA1

    c2d8069ff6d72f3c63eeeac23933e5620f649d9d

    SHA256

    3ad6f0a5c15cd3e24aa59e9687649e0d8d8b85789f3feef68e22b61a34a183e5

    SHA512

    4eb6b58c46225f6e96bf41177892131384507cd8437e314426b797797c10960db52b84abd1fbf3cd845d1ed4bb8c67d2be3099a9ff5379a04d059b0557ef7fca

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\license.html.zemblax

    Filesize

    8KB

    MD5

    29c6678d44aa7966ae163d70dd9f3661

    SHA1

    04e2608b9497905befec2c9c74931cdd14c754e8

    SHA256

    f7634f4769d57b1fd7ff257cafd60a0b309194e610202dfd26fc5113d0abf834

    SHA512

    e80a6a0270d20e255f84ee6ef285b610b79731058f88272b8246e4f0c97222cebf2113d7ae70a1a145c0bec2a94fea5cb5abff0203a8be64c634a9b9b6a3b1b6

  • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe

    Filesize

    138KB

    MD5

    9d5f13a3d03fe33d55522bbcf900a081

    SHA1

    94c3072263a59d601a0452bab77268aba73fed16

    SHA256

    072f39f7a60f639377b0b68a3dc0bbe0c010b56b300bc6dbb3985d683b548dd4

    SHA512

    faa91d432e0ede1299117a65bbb7f3ae0e29af0842594a271233658b63ec3f19a773f09d785bdcfdf04c68a3f4227287745743f60009b47bd1147b193ee95104

  • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe

    Filesize

    128KB

    MD5

    ae66d4148282bc7970ff481373f1577a

    SHA1

    240b39d6f8454464405158d264fb1d4695d4f291

    SHA256

    21004ace139dc9a8651db78f6e10c57eb98f1bfd8166df9f1cd167608f63c701

    SHA512

    9208cda89e258788aa1ba93068ae0592b4e0b129b88c049d10e60378fa1b593ec6bd2505df5e489bbaff93ac79acc71d3d8cbf205098b81a1f2b5f877f30d53f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\container.dat.zemblax

    Filesize

    16B

    MD5

    cfdae8214d34112dbee6587664059558

    SHA1

    f649f45d08c46572a9a50476478ddaef7e964353

    SHA256

    33088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325

    SHA512

    c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3

  • \Users\Admin\AppData\Local\Drpbx\drpbx.exe

    Filesize

    89KB

    MD5

    c411bde7b81acc083f8b1550a93eea8a

    SHA1

    72c0c4940dfb788a71bbef0d77e903f89ae177a2

    SHA256

    60491b8768f019e37f740370b4ead94972b1a169fa88bbe62400b45515108934

    SHA512

    b51eff3e573fb837cf71aa5e5be18e0e535e01d18aee58a5fa2cc8ec200d0223b7656bf2a80a419e7522ada423bd5135af7b49c5fdcef0e718015d3e6e7426bc

  • memory/692-2441-0x0000000006180000-0x0000000006280000-memory.dmp

    Filesize

    1024KB

  • memory/692-493-0x0000000002190000-0x00000000021D0000-memory.dmp

    Filesize

    256KB

  • memory/692-2437-0x0000000006180000-0x0000000006280000-memory.dmp

    Filesize

    1024KB

  • memory/692-2440-0x0000000002190000-0x00000000021D0000-memory.dmp

    Filesize

    256KB

  • memory/692-172-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/692-177-0x0000000002190000-0x00000000021D0000-memory.dmp

    Filesize

    256KB

  • memory/692-563-0x0000000002190000-0x00000000021D0000-memory.dmp

    Filesize

    256KB

  • memory/692-2436-0x0000000002190000-0x00000000021D0000-memory.dmp

    Filesize

    256KB

  • memory/692-490-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/692-484-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/692-335-0x0000000002190000-0x00000000021D0000-memory.dmp

    Filesize

    256KB

  • memory/692-175-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/692-334-0x0000000001D70000-0x0000000001D71000-memory.dmp

    Filesize

    4KB

  • memory/692-173-0x0000000002190000-0x00000000021D0000-memory.dmp

    Filesize

    256KB

  • memory/1664-44-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-18-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-50-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-171-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-54-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-56-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-48-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-163-0x0000000001E60000-0x0000000001E61000-memory.dmp

    Filesize

    4KB

  • memory/1664-46-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-60-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-42-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-40-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-38-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-36-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-32-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-26-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-24-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-22-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-20-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-52-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-16-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-14-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-12-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-10-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-8-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-6-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-5-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-62-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-64-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-66-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-68-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-58-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-34-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-30-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-28-0x0000000002160000-0x0000000002194000-memory.dmp

    Filesize

    208KB

  • memory/1664-0-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-1-0x0000000002210000-0x0000000002250000-memory.dmp

    Filesize

    256KB

  • memory/1664-4-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-2-0x0000000002210000-0x0000000002250000-memory.dmp

    Filesize

    256KB

  • memory/1664-3-0x0000000002210000-0x0000000002250000-memory.dmp

    Filesize

    256KB