Overview

overview

10

Static

static

10

1.exe

windows7-x64

10

1.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    91s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2025 09:25

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General

  • Target

    1.exe

  • Size

    147KB

  • MD5

    c09185c157831e4915c255d7002941f4

  • SHA1

    beca597f2c2c120c3d74163501a81f56664ff4f7

  • SHA256

    6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757

  • SHA512

    a843854ca79f4d98938635612d20f3d5b79d8661ee91d1ae130b2deffe95e44d7028f76b8b221c87fab0638afe5baf3c55e8348f8aa10dddc90133167a3c17bf

  • SSDEEP

    3072:SqJogYkcSNm9V7DnfX/91c6G+Mqc+2EIEMF+T:Sq2kc4m9tDnfXPc6g+2XEMF

Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\5VFg9o5tW.README.txt

Ransom Note
------Dear managers!------ If you are reading this, it means your network has been attacked. What does that mean? We hacked your network and now all your files, documents, client database, projects and other important data safely encrypted with reliable algorithms. we also have a copy of all your data. WARNING!!! You don't have to go to the POLICE, etc. Otherwise we will not be able to help you. You cannot acces the files right now. But do not worry. You can get it back! It is easy to recover in a few steps. As proof, we can decrypt any 3 files you provide. We are not interested to ruin your business. We want to get ransom and be happy. Please bring this information to your team leaders as soon as possible. In case of a successfull transaction, we will restore your systems within 4-6 hours and also provide security recommendations. -----------------------WARNING----------------------- If you modify files - our decrypt software won't able to recover data If you use third party software - you can damage/modify files (see item 1) You nedd cipher key / our decrypt software to restore you files. The police or authorities will not be able to help you get the cipher key. We encourage you to consider your decisions. -----------------------RECOVERY----------------------- Use email: [email protected] Alternative email address: [email protected] ([email protected]) ID message: c5337115f1d1a

Signatures

  • Renames multiple (625) 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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1.exe
    "C:\Users\Admin\AppData\Local\Temp\1.exe"
    1⤵
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\ProgramData\FB58.tmp
      "C:\ProgramData\FB58.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1896
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\FB58.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\DDDDDDDDDDD
    Filesize

    129B

    MD5

    da1b0ba0dd75751ec8f6e9ae225148e0

    SHA1

    80a431520b8b5a5c45e54e8dd1ca04f79451d50a

    SHA256

    a5190e76949d053f3481367738dabf58b241c3f0c3bf061574440f657629b970

    SHA512

    3401f304e5b7e942ef5f3fc71499d4a9afeedc698bbd83910ce8239074e040b74653f42e326dc8c2d2efcbe77b23c7a05deac9e0bdfd0b099a238096423acb10

    Download Submit

  • C:\5VFg9o5tW.README.txt
    Filesize

    1KB

    MD5

    17e3459297cd54cf124d089248ff395b

    SHA1

    617e2ddd0a69a242d4da510d32670a170ff667fa

    SHA256

    94aaefad5d5a9fea79e9271941a5e874951cceac46a110ef0f1de841051f6421

    SHA512

    280536a672423a4bf4df1cb7cd49bd0a7a3f731dfe4543359a84d3a82d734e3882386b336af62a77e2763cbe7fe9e4ff6ae852241dd61ab702cda1b0d2f02e13

    Download Submit

  • C:\ProgramData\FB58.tmp
    Filesize

    14KB

    MD5

    294e9f64cb1642dd89229fff0592856b

    SHA1

    97b148c27f3da29ba7b18d6aee8a0db9102f47c9

    SHA256

    917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

    SHA512

    b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\CCCCC
    Filesize

    147KB

    MD5

    028d0ab3db0bb7139aabf17fd2f22c9b

    SHA1

    b3ab5e8e56ee6b87d3ff6101a920ed02308ff57b

    SHA256

    286538b4ea1a67b6302b74ab4755249468b9b765249c77bdedd5e5cac9c1ab40

    SHA512

    301f72549c0848297a65ccb89bcf32759ae16ba684524c57290490c61b1534213b3c083a10f44c50d909061bbbeabb6b94bcd10f474bbc7c56f65f2e03e30139

    Download Submit

  • F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\DDDDDDDDDDD
    Filesize

    129B

    MD5

    6bcd984ac5963c14ff7e038bb23668f0

    SHA1

    404c3e1a23cd33b4b8ee12eea72499abaf17f86b

    SHA256

    9fc706337172f2563969558280263290e9ce1b3f6094b551b3d00154d2d8b6b7

    SHA512

    5bed06a68dd8a780b36b79ae8b420e87fc8009e747f62d0af4962453055000f687781e77a6a09f0be1e66dec5513e42adca3fb246d87ec0c6d75ac531ce37e16

    Download Submit

  • memory/1524-2957-0x00000000030C0000-0x00000000030D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1524-2958-0x00000000030C0000-0x00000000030D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1524-2956-0x00000000030C0000-0x00000000030D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1524-0-0x00000000030C0000-0x00000000030D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1524-2-0x00000000030C0000-0x00000000030D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1524-1-0x00000000030C0000-0x00000000030D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1896-2964-0x0000000000580000-0x0000000000590000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1896-2967-0x000000007FDC0000-0x000000007FDC1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1896-2966-0x000000007FE20000-0x000000007FE21000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1896-2965-0x0000000000580000-0x0000000000590000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1896-2963-0x000000007FE40000-0x000000007FE41000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1896-2997-0x000000007FE00000-0x000000007FE01000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1896-2996-0x000000007FDE0000-0x000000007FDE1000-memory.dmp

    Filesize

    4KB

    Download