Resubmissions

25-09-2024 15:36

240925-s16qaawfqc 10

25-09-2024 15:33

240925-sza7zswerd 10

Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 15:33

General

  • Target

    01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe

  • Size

    224KB

  • MD5

    75031983cb851f3475c460a40797fe62

  • SHA1

    4ee0238f082123aeb7642ea2e427f57cf4ee954a

  • SHA256

    01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4

  • SHA512

    635b72c7fb8d8b3818364a8a239941d4b4ec608f3d87ee966ce6abd599b847f2aee1e895d996391a1802a57afb41127fbc5e87020b5b280aca2066039e94ca36

  • SSDEEP

    3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/Efc:+5RwTs/dSXj84mRXPemxdBlPvLzLe

Malware Config

Extracted

Path

C:\Users\Admin\Documents\!Please Read Me!.txt

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: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 9 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 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 15 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe
    "C:\Users\Admin\AppData\Local\Temp\01ce2c3c8448bae948c37ceeb6e9631805055738b5b94b22dfa8a005ece895c4.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c 289661727278399.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Windows\SysWOW64\cscript.exe
        cscript //nologo c.vbs
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2980
    • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe f
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2612
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im MSExchange*
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1644
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Microsoft.Exchange.*
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1204
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im sqlserver.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1016
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im sqlwriter.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:568
    • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe c
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2096
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b !WannaDecryptor!.exe v
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2136
      • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        !WannaDecryptor!.exe v
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1448
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2692
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin delete shadows /all /quiet
            5⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:1312
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1684
    • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe
      2⤵
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2032
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe

    Filesize

    236KB

    MD5

    cf1416074cd7791ab80a18f9e7e219d9

    SHA1

    276d2ec82c518d887a8a3608e51c56fa28716ded

    SHA256

    78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

    SHA512

    0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

  • C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk

    Filesize

    925B

    MD5

    d2afab0932c0475a688eaac811566a3e

    SHA1

    2684a634ab4b6667f6841ff9860a2d6fb9969358

    SHA256

    f5688e61741fc4c956284bbc43fe0ccd936f375f0a0160edeb8778816f2fcce4

    SHA512

    66fdf2462fca011c418db1c60f14d76c693e20d53e51ab91c14f08894cad7846460eb6acfd80c10662a6f578025b78bf0c0de79b8e4aca8903db97a87521dff4

  • C:\Users\Admin\AppData\Local\Temp\00000000.res

    Filesize

    136B

    MD5

    92ec62eb13df0b70a5ffe0d48fce5d96

    SHA1

    dfff9f506820c6e5c13507239e0fbdcdfd2499f1

    SHA256

    ae7cdedc22620d7c4bb3d931f4fcebab8750737f996fa5f204e0aebeb27b695f

    SHA512

    b840722ed6fcbb2a63737478c7f47beeba7bcce02793b3be02a24a6377e18e9d7d3f917e73b2b4e4094c8adaa9d23060d1e0d2f99b5aa11944ead92b18d4a808

  • C:\Users\Admin\AppData\Local\Temp\00000000.res

    Filesize

    136B

    MD5

    6d0ac68eac1d94cd0ba74e511f1ed569

    SHA1

    679e4a31cfafddb9242b3547a8d23ce1c553395e

    SHA256

    cf2bf83ca0a9489fa38bcc3401d687e40afd1c4e86848ee8890ae9e36a4e6b85

    SHA512

    e9d47e0375f20771027141d2beb3bf8f85449bbca70aa0424331e9700d568010f7651f797e0c32ba3382c50ba5020d54e1582e4031713b4582509dce66b2ac23

  • C:\Users\Admin\AppData\Local\Temp\00000000.res

    Filesize

    136B

    MD5

    829e08c2eb4d164f98815f6ef76c929b

    SHA1

    3dc0e1e8352897a63b16b33274d0adcaa336308d

    SHA256

    136b06dc51902e2f1ced52d4e49ea48347498f6d750a39789f260c5c40fc6c3e

    SHA512

    17d263b3544b89758b64e5d5c964f17aa3a82e549f5e0f4fd862476346621bcc3df47799f26948abdd75fda790678ed74bdd544b3f46743d3dd18b1c000d6d18

  • C:\Users\Admin\AppData\Local\Temp\289661727278399.bat

    Filesize

    336B

    MD5

    3540e056349c6972905dc9706cd49418

    SHA1

    492c20442d34d45a6d6790c720349b11ec591cde

    SHA256

    73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc

    SHA512

    c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c

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

    Filesize

    219B

    MD5

    5f6d40ca3c34b470113ed04d06a88ff4

    SHA1

    50629e7211ae43e32060686d6be17ebd492fd7aa

    SHA256

    0fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1

    SHA512

    4d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35

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

    Filesize

    628B

    MD5

    e018481b34c6a5f60b41b29ff623dec1

    SHA1

    92efc9ba99477ad9589b5167966239926fd8ae1c

    SHA256

    5754906f20a87ae1adbdbff073c2217f032bfc6fcfede0b3f6777dcfc43bdfbf

    SHA512

    e797d79d17ab577040177c24dfc368c434a0104ec8d7e6d7e071db696f4f42e13215ad01e3d4b52b6955c79ebf1ccde4306625b55ddd110faa463644ff542559

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

    Filesize

    42KB

    MD5

    980b08bac152aff3f9b0136b616affa5

    SHA1

    2a9c9601ea038f790cc29379c79407356a3d25a3

    SHA256

    402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

    SHA512

    100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

  • C:\Users\Admin\Documents\!Please Read Me!.txt

    Filesize

    797B

    MD5

    afa18cf4aa2660392111763fb93a8c3d

    SHA1

    c219a3654a5f41ce535a09f2a188a464c3f5baf5

    SHA256

    227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

    SHA512

    4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

  • memory/2344-6-0x0000000010000000-0x0000000010012000-memory.dmp

    Filesize

    72KB