General

  • Target

    gevaarlijk.zip

  • Size

    9MB

  • Sample

    221003-rek11sacg4

  • MD5

    c117f384b6ab115669d81f393f08676a

  • SHA1

    d46a743348348da6c19d9f3d6de957c5058554f8

  • SHA256

    dac399cd370db99711be5b31c1b5935432b9cd11c5e9745e752a5a7b66ef9e67

  • SHA512

    02611f527899f52c6c042db82f77b2f73f4c66efee54b65bd3a4fa217fbc88728286769db43198eaec06a0c1b957ac044c46d1d5c4dadccb3e0c8169c74919f1

Malware Config

Extracted

Language ps1
Deobfuscated
URLs
exe.dropper

http://www.hopeintlschool.org/FQ9AFMoF8GZKwyVvg_GC

exe.dropper

http://antigua.aguilarnoticias.com/nYZZcHxoYdA

exe.dropper

http://teatrul-de-poveste.ro/wp-content/themes/wcFvmRjqfPbdA

exe.dropper

http://mywedphoto.ru/SPcBpzOvD6_bogkPa

exe.dropper

http://epl.tmweb.ru/QBSLvgDEuAXTt_ETNrGAVki

Extracted

Language ps1
Deobfuscated
URLs
exe.dropper

http://www.serefozata.com/axf

exe.dropper

http://www.livingbranchanimalsciences.com/zVMQFL

exe.dropper

http://www.donghodaian.com/jiPViP

exe.dropper

http://sprayzee.com/iiWYe6z

exe.dropper

http://yasarkemalplatformu.org/s

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\test\@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: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@WanaDecryptor@.exe". 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

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\test\@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: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 Next, please find an application file named "@WanaDecryptor@.exe". 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

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Targets

    • Target

      test/0b627b4eca9b9e8bd04a0d1a103876f6e0fa91049fd0b51bae9ae41acaacf15b.doc

    • Size

      265KB

    • MD5

      34c85b83169b5e70bbfc76c2d6de2be0

    • SHA1

      cf7d59f9e2774b8b2de9f578bad3b78947d0c3f8

    • SHA256

      0b627b4eca9b9e8bd04a0d1a103876f6e0fa91049fd0b51bae9ae41acaacf15b

    • SHA512

      0610b68ef9916c73ed782dc60045c914c52dff1dc1258b634dd009303a4837b403334f2e6c35f137e12ca473f30c747cd9e08df2acbc3d2a9a6790b1b469eb4e

    Score
    10/10
    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Blocklisted process makes network request

    • Target

      test/0dded430c1958ae0ec60c2d50ab99f562269ad1ee09db17606661bd55cd29c66.doc

    • Size

      81KB

    • MD5

      fac7b441a730abf96b210a8db9dbf3d1

    • SHA1

      9f5bb869b95136f51b954e4284f99168ff0e91fb

    • SHA256

      0dded430c1958ae0ec60c2d50ab99f562269ad1ee09db17606661bd55cd29c66

    • SHA512

      0a5ec69ec554639ede43c359f38f8d2e52718b7e29a06aa112ff8cdc99b2777a39c3a9455d3796033a813cceda7487104fb8f0027eccfa138bcd0c2064606f07

    Score
    10/10
    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Blocklisted process makes network request

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • Target

      test/91B5DB3C0CCBD68BD04C24571E27F99D.msi

    • Size

      277KB

    • MD5

      91b5db3c0ccbd68bd04c24571e27f99d

    • SHA1

      b01cb4fe38315d41fcbe9c6278ebe4574496ab0d

    • SHA256

      ec85138598c57c6a6bdb5ed470614f582d3b5a8c6b243eb2f41b9970ea13d130

    • SHA512

      9f0b07f961625fcc06ee64fcfe5e35e0d40db81f75c3cbc584434c1925fac241db69cac3c1a1bf329d965a4df9bdaa53c13bb8ea3206e2c9d4facf7f74ba21b7

    Score
    8/10
    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Target

      test/ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

    • Size

      3MB

    • MD5

      84c82835a5d21bbcf75a61706d8ab549

    • SHA1

      5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

    • SHA256

      ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

    • SHA512

      90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Sets desktop wallpaper using registry

    • Target

      test/fe9d72dd4b046bafdd144902ab570297629f83d06afb5a9ba7703382a29d588f.exe

    • Size

      3MB

    • MD5

      743a6891999db5d7179091aba5f98fdb

    • SHA1

      eeca4b8f88fcae9db6f54304270699d459fb5722

    • SHA256

      fe9d72dd4b046bafdd144902ab570297629f83d06afb5a9ba7703382a29d588f

    • SHA512

      9edef033663c828536190332ec87ac0096ffddae934d17c51b255a55ecb05774211a0edb1915c19384641befa291cfdfd2e3f878bf3b827f8b203ec1bee9dd96

    • Ammyy Admin

      Remote admin tool with various capabilities.

    • AmmyyAdmin payload

    • FlawedAmmyy RAT

      Remote-access trojan based on leaked code for the Ammyy remote admin software.

    • Creates new service(s)

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      test/main.exe

    • Size

      2MB

    • MD5

      5ffb3bfb8e0b0002d940ad4707d1c504

    • SHA1

      ed6402ebc9050fd7c85384ec88343c556df3a71e

    • SHA256

      aa80d3eaee384c8a0ba25b3d501dc0c83f7405190ae47877595fc63cf3161dcf

    • SHA512

      3f05b5c0c80223ecff25f7c8c6a1d6b6462e80ca918f526b6fe0e229f0c1631ea25bf0f856338551e32f8cf9a2a0c838941136cd788ae89b1826aaeeb2a2ccf0

    Score
    1/10
    • Target

      test/main_temp.exe

    • Size

      2MB

    • MD5

      52bbc76cac35134534361c33a583b87a

    • SHA1

      45db17d6796da108f3f6bdb89f04365ae7d488ee

    • SHA256

      d26349b86c9428c0c18df9403b85d2443b866b0e7b99a4a1c8254bd0155326fd

    • SHA512

      9cb6821313018064887a635f74512d947a8425f7093f6284aab776d87eb3914b012156e51fce7f8911daf8d66fdeaa4e6206b3d621ed380c547a1c3c2d0bcbc1

    Score
    1/10