Resubmissions

08-10-2024 09:06

241008-k28x2aydkp 10

08-10-2024 08:29

241008-kdwykaxekm 10

Analysis

  • max time kernel
    9s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2024 08:29

General

  • Target

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

  • Size

    3.4MB

  • MD5

    84c82835a5d21bbcf75a61706d8ab549

  • SHA1

    5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

  • SHA256

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

  • SHA512

    90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

  • SSDEEP

    98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3x:QqPe1Cxcxk3ZAEUadzR8yc4gB

Malware Config

Extracted

Path

C:\Users\Admin\Documents\@[email protected]

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious use of WriteProcessMemory 20 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
    "C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:3008
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:2976
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:2332
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c 83501728376240.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\SysWOW64\cscript.exe
        cscript.exe //nologo m.vbs
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\83501728376240.bat

    Filesize

    340B

    MD5

    3867f2ec82a7d77c9ffefb1aac8b7903

    SHA1

    06fccf19b9c498b5afa2b35da00e3ab28d56f785

    SHA256

    4e25c23aa5babc853889d3e1e79bb01ca7650837b250314a8d50f2e2c4b6730f

    SHA512

    b413994e5b9f0ecb956055c7befff14845b56bb658fd8280d3213fdfa175ff76bc56e082174f2475fdf2d1f9eff618ebfd80ee2b67c091eaf1fd9c94697da5aa

  • C:\Users\Admin\AppData\Local\Temp\@[email protected]

    Filesize

    240KB

    MD5

    7bf2b57f2a205768755c07f238fb32cc

    SHA1

    45356a9dd616ed7161a3b9192e2f318d0ab5ad10

    SHA256

    b9c5d4339809e0ad9a00d4d3dd26fdf44a32819a54abf846bb9b560d81391c25

    SHA512

    91a39e919296cb5c6eccba710b780519d90035175aa460ec6dbe631324e5e5753bd8d87f395b5481bcd7e1ad623b31a34382d81faae06bef60ec28b49c3122a9

  • C:\Users\Admin\AppData\Local\Temp\b.wnry

    Filesize

    1.4MB

    MD5

    c17170262312f3be7027bc2ca825bf0c

    SHA1

    f19eceda82973239a1fdc5826bce7691e5dcb4fb

    SHA256

    d5e0e8694ddc0548d8e6b87c83d50f4ab85c1debadb106d6a6a794c3e746f4fa

    SHA512

    c6160fd03ad659c8dd9cf2a83f9fdcd34f2db4f8f27f33c5afd52aced49dfa9ce4909211c221a0479dbbb6e6c985385557c495fc04d3400ff21a0fbbae42ee7c

  • C:\Users\Admin\AppData\Local\Temp\c.wnry

    Filesize

    780B

    MD5

    383a85eab6ecda319bfddd82416fc6c2

    SHA1

    2a9324e1d02c3e41582bf5370043d8afeb02ba6f

    SHA256

    079ce1041cbffe18ff62a2b4a33711eda40f680d0b1d3b551db47e39a6390b21

    SHA512

    c661e0b3c175d31b365362e52d7b152267a15d59517a4bcc493329be20b23d0e4eb62d1ba80bb96447eeaf91a6901f4b34bf173b4ab6f90d4111ea97c87c1252

  • C:\Users\Admin\AppData\Local\Temp\m.vbs

    Filesize

    219B

    MD5

    82a1fc4089755cb0b5a498ffdd52f20f

    SHA1

    0a8c0da8ef0354f37241e2901cf82ec9ce6474aa

    SHA256

    7fbdc49f4b4ba21949eca0b16c534b4882da97e94e5ca131cec1629e60439dfa

    SHA512

    1573a0c7333accef2695efefe1b57cba8f8d66a0061c24420ee0a183343a9a319995267d306ee85084c95580f9855bcdf9dee559b28a200b27fc3cc353315e78

  • C:\Users\Admin\AppData\Local\Temp\msg\m_finnish.wnry

    Filesize

    37KB

    MD5

    35c2f97eea8819b1caebd23fee732d8f

    SHA1

    e354d1cc43d6a39d9732adea5d3b0f57284255d2

    SHA256

    1adfee058b98206cb4fbe1a46d3ed62a11e1dee2c7ff521c1eef7c706e6a700e

    SHA512

    908149a6f5238fcccd86f7c374986d486590a0991ef5243f0cd9e63cc8e208158a9a812665233b09c3a478233d30f21e3d355b94f36b83644795556f147345bf

  • C:\Users\Admin\Documents\@[email protected]

    Filesize

    933B

    MD5

    f97d2e6f8d820dbd3b66f21137de4f09

    SHA1

    596799b75b5d60aa9cd45646f68e9c0bd06df252

    SHA256

    0e5ece918132a2b1a190906e74becb8e4ced36eec9f9d1c70f5da72ac4c6b92a

    SHA512

    efda21d83464a6a32fdeef93152ffd32a648130754fdd3635f7ff61cc1664f7fc050900f0f871b0ddd3a3846222bf62ab5df8eed42610a76be66fff5f7b4c4c0

  • \Users\Admin\AppData\Local\Temp\taskdl.exe

    Filesize

    20KB

    MD5

    4fef5e34143e646dbf9907c4374276f5

    SHA1

    47a9ad4125b6bd7c55e4e7da251e23f089407b8f

    SHA256

    4a468603fdcb7a2eb5770705898cf9ef37aade532a7964642ecd705a74794b79

    SHA512

    4550dd1787deb353ebd28363dd2cdccca861f6a5d9358120fa6aa23baa478b2a9eb43cef5e3f6426f708a0753491710ac05483fac4a046c26bec4234122434d5

  • memory/2712-39-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB