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03-08-2024 03:16

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03-08-2024 03:15

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03-08-2024 03:14

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Analysis

  • max time kernel
    359s
  • max time network
    359s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2024 03:16

General

  • Target

    rBlbqI2.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 (2142) 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\rBlbqI2.exe
    "C:\Users\Admin\AppData\Local\Temp\rBlbqI2.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\rBlbqI2.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    291KB

    MD5

    2fec9bf50de5395f799b23a1099b10d6

    SHA1

    6000969e75d7d7a3fa1b908bdb9d5daeb5f2534e

    SHA256

    df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763

    SHA512

    5f6885fb1940ee4f84507e2b7929f637d8f264a5c77329aeae31803b772608ea93370177017f90f6f8d8bc9e0b30eb8607ed120d4ead68104fd70feec71a9ab8

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

    Filesize

    16B

    MD5

    cfdae8214d34112dbee6587664059558

    SHA1

    f649f45d08c46572a9a50476478ddaef7e964353

    SHA256

    33088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325

    SHA512

    c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3

  • memory/1896-582-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-579-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-2494-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-583-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-581-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-2497-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-578-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-2493-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-580-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-577-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-576-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-335-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-332-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-333-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-334-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1896-173-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-55-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-47-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-39-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-37-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-35-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-33-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-31-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-29-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-27-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-25-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-23-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-21-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-19-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-15-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-13-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-11-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-9-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-7-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-4-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-43-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-45-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-41-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-49-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-51-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-172-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-53-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-0-0x00000000748B1000-0x00000000748B2000-memory.dmp

    Filesize

    4KB

  • memory/2708-57-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-59-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-61-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-63-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-65-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-67-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-163-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-164-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-162-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-5-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-17-0x0000000002030000-0x0000000002064000-memory.dmp

    Filesize

    208KB

  • memory/2708-3-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-2-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-1-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB