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Overview

overview

10

Static

static

1

a867deb157...02.exe

windows7-x64

10

a867deb157...02.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 19:24

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General

  • Target

    a867deb1578088d066941c40e598e4523ab5fd6c3327d3afb951073bee59fb02.exe

  • Size

    221KB

  • MD5

    a04eb443870896fbe9a0b6468c4844f7

  • SHA1

    e3001ef25b1386763caec9b5339ec6ddb0275a71

  • SHA256

    a867deb1578088d066941c40e598e4523ab5fd6c3327d3afb951073bee59fb02

  • SHA512

    28919641ecb89a7770a974992231bbdb9a7369e429d4b37d5b685bafab30b95c5bd87ce781d5a67db6c1b2823c85f9f3c6901285912f1bb641d9967d82d2660f

  • SSDEEP

    6144:JrazEX0203RegvjxnpGhu3BJMIp2CuvY63:B+3JpGEBJMg2CuvY6

Score
10/10
discoveryransomware

Malware Config

Extracted

Path

C:\CIopReadMe.txt

Ransom Note
------------------------Your networks has been penetrated--------------------------------------- All files on each host in the networks have been encrypted with a strong algorithm. Backups were either encrypted or deleted or backup disks were formatted. Shadow copies also removed, so F-8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation. ===No DECRYPTION software is AVAILABLE in the PUBLIC=== - DO NOT RENAME OR MOVE the encrypted and readme files. ========================DO NOT RESET OR SHUTDOWN – FILES MAY BE DAMAGED======================== ========================DO NOT RESET OR SHUTDOWN – FILES MAY BE DAMAGED======================== ========================DO NOT RESET OR SHUTDOWN – FILES MAY BE DAMAGED======================== ---THIS MAY LEAD TO THE IMPOSSIBILITY OF RECOVERY OF THE CERTAIN FILES--- ---ALL REPAIR TOOLS ARE USELESS AND CAN DESTROY YOUR FILES IRREVERSIBLY--- If you want to restore your files write to email. [CONTACTS ARE AT THE BOTTOM OF THE SHEET] and attach 4-6 encrypted files! [Less than 7 Mb each, non-archived and your files should not contain valuable information!!! [Databases,large excel sheets, backups etc...]]!!! ***You will receive decrypted samples and our conditions how to get the decoder*** *^*ATTENTION*^* =YOUR WARRANTY - DECRYPTED SAMPLES= -=-DO NOT TRY TO DECRYPT YOUR DATA USING THIRD PARTY SOFTWARE-=- -=-WE DONT NEED YOUR FILES AND YOUR INFORMATION-=- CONTACTS E-MAILS: [email protected] AND [email protected] OR [email protected] _-_ATTENTION_-_ In the letter, type your company name and site! ***The final price depends on how fast you write to us*** ^_*Nothing personal just business^_* CLOP^_- ----------------------------------------------------------------------------------------------

Signatures

  • Renames multiple (160) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a867deb1578088d066941c40e598e4523ab5fd6c3327d3afb951073bee59fb02.exe
    "C:\Users\Admin\AppData\Local\Temp\a867deb1578088d066941c40e598e4523ab5fd6c3327d3afb951073bee59fb02.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\clearnetworkdns_11-22-33.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\CIopReadMe.txt
    Filesize

    1KB

    MD5

    e04a195c34b605286fbf1b6e3ae48ea8

    SHA1

    aabf5de2dbe86487229b9a39e050c2af76679dc7

    SHA256

    d686127553bc8f72d8441ad441afa795fde914550fdb9fad46889e8fe1019ed7

    SHA512

    cac64382c8d5f17b4a2da6f24f006e41716406c3efd147cae6fca7c9e2fcdf256f58457a6d17fadf0a7a08c4e70d17c7191bc8cd8f698ddb13cc1dcb4d442158

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\clearnetworkdns_11-22-33.bat
    Filesize

    948B

    MD5

    f7840e8e5f106572107932598b7c2592

    SHA1

    379bd55eb0bf40eb1a7804959af8022b8eb6f0e7

    SHA256

    0f107cd86bcfca29408499d6e0631a482623ad25f26e74898c26072e94fa6000

    SHA512

    ae7301ef444dce57e0c238c65070ff928c5b0c67a1c71e45d329d78eafbbbb5ac66ec85acc977e414343ceffa7b618aa6f0659d38c1a43969ae5c5768113ebba

    Download Submit

  • memory/4224-0-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4224-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/4224-6-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download