Overview

overview

10

Static

static

10

2025-02-07...ry.exe

windows7-x64

10

2025-02-07...ry.exe

windows10-2004-x64

10

Resubmissions

08-02-2025 11:45

250208-nw1k9atpfr 10

07-02-2025 17:25

250207-vzm8nazmdz 10

Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 17:25

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General

  • Target

    2025-02-07_a17fe664009d09499b6931cf2e0f8435_neshta_wannacry.exe

  • Size

    264KB

  • MD5

    a17fe664009d09499b6931cf2e0f8435

  • SHA1

    0dada95eb81bb92961093e1871124b5ee3d924f3

  • SHA256

    52e6033b88774fb82f111442886751a107a636d9e0c8b392aee4e19340dc656c

  • SHA512

    268f4f841e18b90b107a64c263b71a6cad4234c4f36258efee638f1d61005d7d75c1c1d9b752e19e2a6a456a6ad003419633f9b1fc1538323d975ba4e1877e22

  • SSDEEP

    3072:sr85CcTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/Efcx59femWRJ:k9cTs/dSXj84mRXPemxdBlPvLzLek5RJ

Score
10/10
neshtawannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

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

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    persistencespywareneshta
  • Neshta family
    neshta
  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry
  • Wannacry family
    wannacry
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 11 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
    persistence
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

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

    discovery
  • Interacts with shadow copies 3 TTPs 1 IoCs

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

    ransomware
  • Kills process with taskkill 4 IoCs
    defense_evasion
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-07_a17fe664009d09499b6931cf2e0f8435_neshta_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-07_a17fe664009d09499b6931cf2e0f8435_neshta_wannacry.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_a17fe664009d09499b6931cf2e0f8435_neshta_wannacry.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_a17fe664009d09499b6931cf2e0f8435_neshta_wannacry.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c 58881738949147.bat
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Windows\SysWOW64\cscript.exe
          cscript //nologo c.vbs
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2732
      • C:\Users\Admin\AppData\Local\Temp\3582-490\!WannaDecryptor!.exe
        !WannaDecryptor!.exe f
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3008
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im MSExchange*
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:292
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im Microsoft.Exchange.*
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2452
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlserver.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2924
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im sqlwriter.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1512
      • C:\Users\Admin\AppData\Local\Temp\3582-490\!WannaDecryptor!.exe
        !WannaDecryptor!.exe c
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2612
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b !WannaDecryptor!.exe v
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2576
        • C:\Users\Admin\AppData\Local\Temp\3582-490\!WannaDecryptor!.exe
          !WannaDecryptor!.exe v
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2204
          • 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
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2744
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin delete shadows /all /quiet
              6⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:2916
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic shadowcopy delete
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2660
      • C:\Users\Admin\AppData\Local\Temp\3582-490\!WannaDecryptor!.exe
        !WannaDecryptor!.exe
        3⤵
        • Executes dropped EXE
        • Sets desktop wallpaper using registry
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1664
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

3
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

2
T1490

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\!WannaDecryptor!.exe
    Filesize

    236KB

    MD5

    cf1416074cd7791ab80a18f9e7e219d9

    SHA1

    276d2ec82c518d887a8a3608e51c56fa28716ded

    SHA256

    78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

    SHA512

    0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\!WannaDecryptor!.exe.lnk
    Filesize

    1020B

    MD5

    edab4d5bed8bc2215b49947664234ad8

    SHA1

    57e78b32d80c002c8546cc2a92ac62db225990ff

    SHA256

    c66f020d39fcef269d06305743f7fa4f34e0b1e570fb85a35f49082ba42fbaed

    SHA512

    5dce68a77c23194b12f4db6c1dfad14dbdfc8c60cae2f78c7bbc21846dfa2135e4f00e58d6dfcff1e8b685019c148e3c2aebbb3b07c80490af0fcf6fff7fdf17

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\00000000.res
    Filesize

    136B

    MD5

    01dbe9c648b029d57124e246694af29c

    SHA1

    65248f4a12c95db7fc18e79f13c971900aaf391f

    SHA256

    0b8c523abe544e82194cdb2959aa19b9b0bb80335fd209376d7bde4b64bc13fd

    SHA512

    a275a37f1f3307cfb74924496d141aa7716f8306bc85c200347f41d1222534ee866c6a929295c9d4b86713da78e4ad7cce21dd39c89e9d24c6403e1c493f3479

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\00000000.res
    Filesize

    136B

    MD5

    282ab3e91cf630fd635eac8111a423a3

    SHA1

    daee56bba0eebd6a488a361f54f4c442b09980e2

    SHA256

    e19808098740e85ae1babfb50ad8837f0b29b58a1ef0e0cace9984dc81c7fe23

    SHA512

    c803bb1348c06a3731872dcf119adf196a31e62221f77e7508ee62d444b69edd87b05f7b7110d2c8a8545213e4e76f6fa4af3246c16f52c067bf5c0ec59bd299

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\00000000.res
    Filesize

    136B

    MD5

    34d91a89fae582f2750c0a4ae80af2cd

    SHA1

    7364f035bd8693b112994a5d146e24a6d17b2ff2

    SHA256

    bc31457155198c441eec78bb184cfa5f563e119d7c8c638eea06ee24f45a58c5

    SHA512

    c86fa7b0261bebce4346fc1bde26ccdb561834d64dd27d7bffae4ebaf96f73a7818927071f7a97fb6622c31406f66281bd736506014b061196073920e282dd2b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\58881738949147.bat
    Filesize

    354B

    MD5

    6d4f091dae839509e203fe732c9aac38

    SHA1

    8235dbb5ef56f9f8fa3666b9aeb7856590788e0d

    SHA256

    d5c61eaf3f234de113090bf36ea5a858add36c251ee9556133d83024d2c0e8b9

    SHA512

    65212bcb989a91b0247580623a7ba23ffa5f2de814db41bf513d364650bfda1fb604ec98b84e4ec7c93389946e7b7e693e184a028c696d8af2ae38f1561ce60d

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\c.vbs
    Filesize

    237B

    MD5

    93364e70cef148372c3e67eeeb3f8d79

    SHA1

    6944b2bcde0c29886ec6d4f441a6f556e7232801

    SHA256

    311019f2b79e286b9fa39f48820d0fc22efabec7e132fd8274fb388d7c72c621

    SHA512

    f857783cffd2796b4a84971871824272f54ef03ad5cf41111dc86efcfeeb4d0b32951c1fd8a1244786de77986d8d251f49e57e535d4ed955f2c64108ab5b8911

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\c.wry
    Filesize

    628B

    MD5

    82d5bddcb6c9e5e13d45382b6a8ab9ab

    SHA1

    64d4d3638b45bf6d4f58b423327a89c144db150e

    SHA256

    086a84866c1eda959bd90befe918f4e11e0b9a3f1f2937d05d5c8f35f7df6385

    SHA512

    304e4f596a4916aab5d2d726e1db24d41c25cbeb7f8b460bdcca98bad8b0d33772716518e2e2519851353d936130f2cd6ecf4257cb700cf177d55db2133fd56c

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\m.wry
    Filesize

    42KB

    MD5

    980b08bac152aff3f9b0136b616affa5

    SHA1

    2a9c9601ea038f790cc29379c79407356a3d25a3

    SHA256

    402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

    SHA512

    100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

    Download Submit

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

    797B

    MD5

    afa18cf4aa2660392111763fb93a8c3d

    SHA1

    c219a3654a5f41ce535a09f2a188a464c3f5baf5

    SHA256

    227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

    SHA512

    4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

    Download Submit

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

    Download Submit

  • \Users\Admin\AppData\Local\Temp\3582-490\2025-02-07_a17fe664009d09499b6931cf2e0f8435_neshta_wannacry.exe
    Filesize

    224KB

    MD5

    5c7fb0927db37372da25f270708103a2

    SHA1

    120ed9279d85cbfa56e5b7779ffa7162074f7a29

    SHA256

    be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

    SHA512

    a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206

    Download Submit

  • memory/1392-952-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/1392-954-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2148-17-0x0000000010000000-0x0000000010012000-memory.dmp

    Filesize

    72KB

    Download