Analysis

  • max time kernel
    162s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 09:02

General

  • Target

    acbc86b4d8068db472463de8b9c6d50809307af594cbd056feb0f19961f9462c.exe

  • Size

    360KB

  • MD5

    15130b436ed87bd0973a4d346cc97f35

  • SHA1

    ce60d23f48664b2882e61562e7dec5c8480502b5

  • SHA256

    acbc86b4d8068db472463de8b9c6d50809307af594cbd056feb0f19961f9462c

  • SHA512

    8f568d962666ab94aac8401b3218ca8e40957d69c35d63c63ba9a59295f76612fc6e60cdda6b5fdeef7d9adece38cd0cb39b0946ca16d2b5ebf1750473d4c0a0

  • SSDEEP

    6144:Jy2BDEfHtIs1AeVh4kjINbvI5pwUGGXGPeT3LvHyvMNGyoN0zM5GuObOuNAvwu:REGs1Zj4kjINbSwU3Lzyv7y9eObOmAvB

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2292972927-2705560509-2768824231-1000\_RECOVERY_+wllkk.txt

Family

teslacrypt

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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/6787E10DB9C3ABC 2. http://tes543berda73i48fsdfsd.keratadze.at/6787E10DB9C3ABC 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6787E10DB9C3ABC 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 3. Type in the address bar: xlowfznrg4wf7dli.onion/6787E10DB9C3ABC 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/6787E10DB9C3ABC http://tes543berda73i48fsdfsd.keratadze.at/6787E10DB9C3ABC http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6787E10DB9C3ABC *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/6787E10DB9C3ABC
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/6787E10DB9C3ABC

http://tes543berda73i48fsdfsd.keratadze.at/6787E10DB9C3ABC

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6787E10DB9C3ABC

http://xlowfznrg4wf7dli.ONION/6787E10DB9C3ABC

Signatures

  • TeslaCrypt, AlphaCrypt

    Ransomware based on CryptoLocker. Shut down by the developers in 2016.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acbc86b4d8068db472463de8b9c6d50809307af594cbd056feb0f19961f9462c.exe
    "C:\Users\Admin\AppData\Local\Temp\acbc86b4d8068db472463de8b9c6d50809307af594cbd056feb0f19961f9462c.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Windows\qiiqjclbyyjt.exe
      C:\Windows\qiiqjclbyyjt.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1340
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:664
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\ACBC86~1.EXE
      2⤵
      • Deletes itself
      PID:1748
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:596

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\qiiqjclbyyjt.exe

    Filesize

    360KB

    MD5

    15130b436ed87bd0973a4d346cc97f35

    SHA1

    ce60d23f48664b2882e61562e7dec5c8480502b5

    SHA256

    acbc86b4d8068db472463de8b9c6d50809307af594cbd056feb0f19961f9462c

    SHA512

    8f568d962666ab94aac8401b3218ca8e40957d69c35d63c63ba9a59295f76612fc6e60cdda6b5fdeef7d9adece38cd0cb39b0946ca16d2b5ebf1750473d4c0a0

  • C:\Windows\qiiqjclbyyjt.exe

    Filesize

    360KB

    MD5

    15130b436ed87bd0973a4d346cc97f35

    SHA1

    ce60d23f48664b2882e61562e7dec5c8480502b5

    SHA256

    acbc86b4d8068db472463de8b9c6d50809307af594cbd056feb0f19961f9462c

    SHA512

    8f568d962666ab94aac8401b3218ca8e40957d69c35d63c63ba9a59295f76612fc6e60cdda6b5fdeef7d9adece38cd0cb39b0946ca16d2b5ebf1750473d4c0a0

  • memory/664-71-0x0000000000000000-mapping.dmp

  • memory/1340-60-0x0000000000000000-mapping.dmp

  • memory/1340-69-0x0000000000270000-0x00000000002F5000-memory.dmp

    Filesize

    532KB

  • memory/1748-62-0x0000000000000000-mapping.dmp

  • memory/1956-54-0x0000000001C90000-0x0000000001D15000-memory.dmp

    Filesize

    532KB

  • memory/1956-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

    Filesize

    8KB

  • memory/1956-56-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/1956-65-0x0000000001C90000-0x0000000001D15000-memory.dmp

    Filesize

    532KB