Analysis

  • max time kernel
    25s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 23:23

General

  • Target

    Trojan.Ransom.exe

  • Size

    49KB

  • MD5

    46bfd4f1d581d7c0121d2b19a005d3df

  • SHA1

    5b063298bbd1670b4d39e1baef67f854b8dcba9d

  • SHA256

    683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96

  • SHA512

    b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5

  • SSDEEP

    768:AbFw10RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtDj:Apw10vnAOIUaJh4IXdWXLXTWLfuFj

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\!satana!.txt

Ransom Note
You had bad luck.There was crypting of all your files in a FS bootkit virus <!SATANA!> To decrypt you need send on this E-mail: [email protected] your private code: A3D90235E1136671AB1195C6078184FF and pay on a Bitcoin Wallet: XgcJptdY1pSVtCGCAvFBavH7oWAe2iASvS total 0,5 btc After that during 1 - 2 days the software will be sent to you - decryptor - and the necessary instructions. All changes in hardware configurations of your computer can make the decryption of your files absolutely impossible! Decryption of your files is possible only on your PC! Recovery is possible during 7 days, after which the program - decryptor - can not ask for the necessary signature from a public certificate server. Please contact via e-mail, which you can find as yet in the form of a text document in a folder with encrypted files, as well as in the name of all encrypted files.If you do not appreciate your files we recommend you format all your disks and reinstall the system. Read carefully this warning as it is no longer able to see at startup of the computer. We remind once again- it is all serious! Do not touch the configuration of your computer! E-mail: [email protected] - this is our mail CODE: A3D90235E1136671AB1195C6078184FF this is code; you must send BTC: XgcJptdY1pSVtCGCAvFBavH7oWAe2iASvS here need to pay 0,5 bitcoins How to pay on the Bitcoin wallet you can easily find on the Internet. Enter your unlock code, obtained by E-mail here and press "ENTER" to continue the normal download on your computer. Good luck! May God help you! <!SATANA!>

Signatures

  • Satana

    Ransomware family which also encrypts the system's Master Boot Record (MBR).

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Trojan.Ransom.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.Ransom.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\Trojan.Ransom.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.Ransom.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Users\Admin\AppData\Local\Temp\dtt.exe
        "C:\Users\Admin\AppData\Local\Temp\dtt.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\TROJAN~1.EXE"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Users\Admin\AppData\Local\Temp\dtt.exe
          "C:\Users\Admin\AppData\Local\Temp\dtt.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\TROJAN~1.EXE"
          4⤵
          • Deletes itself
          • Executes dropped EXE
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of AdjustPrivilegeToken
          PID:2680
          • C:\Windows\SysWOW64\VSSADMIN.EXE
            "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
            5⤵
            • Interacts with shadow copies
            PID:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\!satana!.txt

    Filesize

    1KB

    MD5

    a2e92beeae710cc1ab2f7ea4900fb01b

    SHA1

    e829f22cccbb449926741fc0392483c5883955e1

    SHA256

    efe146eaf878625d384b715a4e11c8266c1bcae2c284fb184b776c26dc2248d4

    SHA512

    1b09c0cfc86b7b814780149a385a592a2ace2ae81f4b333266ae7dd1f2a216c185a5059fd6661ff0e1a4879ccb339d33a139d6f3bd93f9e2c5d0cd2cd730c619

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

    Filesize

    49KB

    MD5

    46bfd4f1d581d7c0121d2b19a005d3df

    SHA1

    5b063298bbd1670b4d39e1baef67f854b8dcba9d

    SHA256

    683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96

    SHA512

    b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5

  • memory/2108-0-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2108-1-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2108-3-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2108-5-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2108-7-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2108-10-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2680-36-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2680-39-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2680-38-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2680-41-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB