Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240319-en
  • resource tags

    arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-03-2024 01:58

General

  • Target

    JigsawRansomware.exe

  • Size

    1.1MB

  • MD5

    6b7f99749cae07e2ad083b6591837c9d

  • SHA1

    d90e2aaf9bdc0b4185b1f68f6a53df5f2380eeee

  • SHA256

    45d9183b36802bfb861d0b7383c60b5cb0298760d013c97aa8838bca8002b1d7

  • SHA512

    6b3bfd17a6413671f9cbadfb1bb9dc999fc90af6b791670baf6c7f68feb417aed27bb358a70e1cd4b730bdd11a6e1e6a70ad87c3f92a8cd7bd89b66e7854da8d

  • SSDEEP

    24576:jmTQcPTAcySiDNpfVkqgfPyU8/oa8reuaDQkqjVnlqud+/2P+A:e70nS4pfVkqgy6r3askqXfd+/9A

Malware Config

Signatures

  • Jigsaw Ransomware

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

  • Renames multiple (1488) files with added filename extension

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

  • Executes dropped EXE 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).

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe
    "C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\JigsawRansomware.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1660
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2488
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_US_POSIX.txt.fun

    Filesize

    32KB

    MD5

    aec7bd7c96948d97d13c7df53988e89c

    SHA1

    7b906b88009e7509324ae92dc8a32ae4fb38626c

    SHA256

    15fcb7c77cf60f287e9c81ec8053a9cdd1aa8bc0413734e8a1499a9de635c6d0

    SHA512

    27d12f825c16d1d5349f53a23d57f71eb8d4534a1ae4af2c4eead9cda09a4440dadc518a8887a3ea818494cb6319fc82ab8147cdb85958e9b344400b7d6b2803

  • C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\invalid32x32.gif.fun

    Filesize

    160B

    MD5

    000e8c41d4a15fb34d0be0dbb56e3778

    SHA1

    00c4eae64ee6239d7c65d819c6ce1ac329224f8c

    SHA256

    8bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28

    SHA512

    775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af

  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

    Filesize

    64KB

    MD5

    9e466b4837d8431be725d6b9c1b4d9ef

    SHA1

    3f247b7c89985a41d839cad351cd0fc182fcb284

    SHA256

    2f9a5eeb5ac8cec52a3e73621e4d392f501f5d657dfec3215ccd40eec317208d

    SHA512

    01de0fda555d63b5c38339b0f6d38c28de2a882643439679e63cf5d75f13516b57dc90e8dfb8c638bda328fc12342e58d1e501acec8f85b92dbd5589dac06418

  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

    Filesize

    4B

    MD5

    f49655f856acb8884cc0ace29216f511

    SHA1

    cb0f1f87ec0455ec349aaa950c600475ac7b7b6b

    SHA256

    7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba

    SHA512

    599e93d25b174524495ed29653052b3590133096404873318f05fd68f4c9a5c9a3b30574551141fbb73d7329d6be342699a17f3ae84554bab784776dfda2d5f8

  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

    Filesize

    960B

    MD5

    16846df493521e84fe47cd6b6451ec8f

    SHA1

    6d99eb017c5aec08d3a7e908bbd4a051ce250c02

    SHA256

    69f19f2ab2f3625faca623477864766ab1ef3a21712bc892d7b2b0886585b3f9

    SHA512

    aefa5121601b8273cff6b79b7f76417c71e29e835b66faf3e1a67d0d38fb9ebe90320b75493fd5c4a2d9ea3e3c485d0a84bcdbfb78c26a8ecee3175cd8bd93cd

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

    Filesize

    1.1MB

    MD5

    6b7f99749cae07e2ad083b6591837c9d

    SHA1

    d90e2aaf9bdc0b4185b1f68f6a53df5f2380eeee

    SHA256

    45d9183b36802bfb861d0b7383c60b5cb0298760d013c97aa8838bca8002b1d7

    SHA512

    6b3bfd17a6413671f9cbadfb1bb9dc999fc90af6b791670baf6c7f68feb417aed27bb358a70e1cd4b730bdd11a6e1e6a70ad87c3f92a8cd7bd89b66e7854da8d

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.AccountsControl_cw5n1h2txyewy\Settings\settings.dat.fun

    Filesize

    8KB

    MD5

    420960c4b17842a24bbf117222c60e47

    SHA1

    4e2f5bc3a3fe7da4ea60dfaae851b1b88e48751d

    SHA256

    e94c37d7dc8dd954bfee8e340abc882bc361baf0d3771ed442ed625a3bcb0174

    SHA512

    b42f16f6fca9b66d49a2ad7c80e56c51e04d023a4ae50e984dbd267e204682ecbb929fefb5c7ee67775597773b08b6bd39416f13b87f1782cf8c5d553ecd7ce5

  • C:\Users\Admin\AppData\Local\Temp\BroadcastMsg_1710883547.txt.fun

    Filesize

    16B

    MD5

    cfdae8214d34112dbee6587664059558

    SHA1

    f649f45d08c46572a9a50476478ddaef7e964353

    SHA256

    33088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325

    SHA512

    c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3

  • memory/364-1-0x00007FFD0C110000-0x00007FFD0CBD2000-memory.dmp

    Filesize

    10.8MB

  • memory/364-0-0x00000223EAF30000-0x00000223EB04E000-memory.dmp

    Filesize

    1.1MB

  • memory/364-16-0x00007FFD0C110000-0x00007FFD0CBD2000-memory.dmp

    Filesize

    10.8MB

  • memory/1660-15-0x00007FFD0C110000-0x00007FFD0CBD2000-memory.dmp

    Filesize

    10.8MB

  • memory/1660-252-0x000001E438E00000-0x000001E438E10000-memory.dmp

    Filesize

    64KB

  • memory/1660-251-0x00007FFD0C110000-0x00007FFD0CBD2000-memory.dmp

    Filesize

    10.8MB

  • memory/1660-17-0x000001E438E00000-0x000001E438E10000-memory.dmp

    Filesize

    64KB

  • memory/2488-820-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/2488-814-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/2488-823-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/2488-824-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/2488-821-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/2488-819-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/2488-818-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/2488-812-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/2488-813-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/2488-822-0x0000025713140000-0x0000025713141000-memory.dmp

    Filesize

    4KB

  • memory/3248-1525-0x000001A303420000-0x000001A303421000-memory.dmp

    Filesize

    4KB

  • memory/3248-1523-0x000001A303420000-0x000001A303421000-memory.dmp

    Filesize

    4KB

  • memory/3248-1524-0x000001A303420000-0x000001A303421000-memory.dmp

    Filesize

    4KB

  • memory/3248-1530-0x000001A303420000-0x000001A303421000-memory.dmp

    Filesize

    4KB

  • memory/3248-1531-0x000001A303420000-0x000001A303421000-memory.dmp

    Filesize

    4KB

  • memory/3248-1532-0x000001A303420000-0x000001A303421000-memory.dmp

    Filesize

    4KB

  • memory/3248-1533-0x000001A303420000-0x000001A303421000-memory.dmp

    Filesize

    4KB

  • memory/3248-1534-0x000001A303420000-0x000001A303421000-memory.dmp

    Filesize

    4KB

  • memory/3248-1535-0x000001A303420000-0x000001A303421000-memory.dmp

    Filesize

    4KB