Analysis

  • max time kernel
    152s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-06-2022 13:27

General

  • Target

    202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685.exe

  • Size

    604KB

  • MD5

    0eff9e6701cb10ddc66f3d619dae7a36

  • SHA1

    20a506351b97caef312b7f808638623512435c23

  • SHA256

    202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685

  • SHA512

    41bc0934a29ae6f18804006ac9ff264ec1b41edc0bc2b312db4e24f14acd64a3c6f0838406c9d0d1d70ebc8aad7fb0b9a9882401e7e807aec95c999be9923c01

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1819626980-2277161760-1023733287-1000\_H_e_l_p_RECOVER_INSTRUCTIONS+hgi.txt

Ransom Note
__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#! NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/29E01CCCDE9BD5E7 2. http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/29E01CCCDE9BD5E7 3. http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/29E01CCCDE9BD5E7 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization 3. Type in the address bar: fwgrhsao3aoml7ej.onion/29E01CCCDE9BD5E7 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/29E01CCCDE9BD5E7 http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/29E01CCCDE9BD5E7 http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/29E01CCCDE9BD5E7 !!! Your personal page Tor-Browser: fwgrhsao3aoml7ej.onion/29E01CCCDE9BD5E7 !!! Your personal identification ID: 29E01CCCDE9BD5E7
URLs

http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/29E01CCCDE9BD5E7

http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/29E01CCCDE9BD5E7

http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/29E01CCCDE9BD5E7

http://fwgrhsao3aoml7ej.onion/29E01CCCDE9BD5E7

Signatures

  • suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 5 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685.exe
    "C:\Users\Admin\AppData\Local\Temp\202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685.exe
      "C:\Users\Admin\AppData\Local\Temp\202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Users\Admin\AppData\Roaming\lkadvkc.exe
        C:\Users\Admin\AppData\Roaming\lkadvkc.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1316
        • C:\Users\Admin\AppData\Roaming\lkadvkc.exe
          C:\Users\Admin\AppData\Roaming\lkadvkc.exe
          4⤵
          • Adds policy Run key to start application
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:780
          • C:\Windows\system32\bcdedit.exe
            bcdedit.exe /set {current} bootems off
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1648
          • C:\Windows\System32\vssadmin.exe
            "C:\Windows\System32\vssadmin.exe" delete shadows /all /Quiet
            5⤵
            • Interacts with shadow copies
            PID:2040
          • C:\Windows\system32\bcdedit.exe
            bcdedit.exe /set {current} advancedoptions off
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1748
          • C:\Windows\system32\bcdedit.exe
            bcdedit.exe /set {current} optionsedit off
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1820
          • C:\Windows\system32\bcdedit.exe
            bcdedit.exe /set {current} bootstatuspolicy IgnoreAllFailures
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1908
          • C:\Windows\system32\bcdedit.exe
            bcdedit.exe /set {current} recoveryenabled off
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1388
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\202AB1~1.EXE
        3⤵
        • Deletes itself
        PID:900
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\lkadvkc.exe

    Filesize

    604KB

    MD5

    0eff9e6701cb10ddc66f3d619dae7a36

    SHA1

    20a506351b97caef312b7f808638623512435c23

    SHA256

    202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685

    SHA512

    41bc0934a29ae6f18804006ac9ff264ec1b41edc0bc2b312db4e24f14acd64a3c6f0838406c9d0d1d70ebc8aad7fb0b9a9882401e7e807aec95c999be9923c01

  • C:\Users\Admin\AppData\Roaming\lkadvkc.exe

    Filesize

    604KB

    MD5

    0eff9e6701cb10ddc66f3d619dae7a36

    SHA1

    20a506351b97caef312b7f808638623512435c23

    SHA256

    202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685

    SHA512

    41bc0934a29ae6f18804006ac9ff264ec1b41edc0bc2b312db4e24f14acd64a3c6f0838406c9d0d1d70ebc8aad7fb0b9a9882401e7e807aec95c999be9923c01

  • C:\Users\Admin\AppData\Roaming\lkadvkc.exe

    Filesize

    604KB

    MD5

    0eff9e6701cb10ddc66f3d619dae7a36

    SHA1

    20a506351b97caef312b7f808638623512435c23

    SHA256

    202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685

    SHA512

    41bc0934a29ae6f18804006ac9ff264ec1b41edc0bc2b312db4e24f14acd64a3c6f0838406c9d0d1d70ebc8aad7fb0b9a9882401e7e807aec95c999be9923c01

  • \Users\Admin\AppData\Roaming\lkadvkc.exe

    Filesize

    604KB

    MD5

    0eff9e6701cb10ddc66f3d619dae7a36

    SHA1

    20a506351b97caef312b7f808638623512435c23

    SHA256

    202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685

    SHA512

    41bc0934a29ae6f18804006ac9ff264ec1b41edc0bc2b312db4e24f14acd64a3c6f0838406c9d0d1d70ebc8aad7fb0b9a9882401e7e807aec95c999be9923c01

  • \Users\Admin\AppData\Roaming\lkadvkc.exe

    Filesize

    604KB

    MD5

    0eff9e6701cb10ddc66f3d619dae7a36

    SHA1

    20a506351b97caef312b7f808638623512435c23

    SHA256

    202ab1a5c4d7809c216ff364842923ed5b133f652159147396e02c1f7fd06685

    SHA512

    41bc0934a29ae6f18804006ac9ff264ec1b41edc0bc2b312db4e24f14acd64a3c6f0838406c9d0d1d70ebc8aad7fb0b9a9882401e7e807aec95c999be9923c01

  • memory/780-103-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/780-97-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/780-96-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/780-92-0x0000000000458C46-mapping.dmp

  • memory/900-78-0x0000000000000000-mapping.dmp

  • memory/1180-64-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1180-59-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1180-72-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1180-56-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1180-57-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1180-67-0x0000000000458C46-mapping.dmp

  • memory/1180-66-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1180-71-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1180-79-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1180-63-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1180-61-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1316-75-0x0000000000000000-mapping.dmp

  • memory/1388-104-0x0000000000000000-mapping.dmp

  • memory/1648-98-0x0000000000000000-mapping.dmp

  • memory/1748-100-0x0000000000000000-mapping.dmp

  • memory/1820-101-0x0000000000000000-mapping.dmp

  • memory/1908-102-0x0000000000000000-mapping.dmp

  • memory/1992-54-0x0000000075DB1000-0x0000000075DB3000-memory.dmp

    Filesize

    8KB

  • memory/1992-69-0x00000000003C0000-0x00000000003C3000-memory.dmp

    Filesize

    12KB

  • memory/1992-55-0x00000000003C0000-0x00000000003C3000-memory.dmp

    Filesize

    12KB

  • memory/2040-99-0x0000000000000000-mapping.dmp