Resubmissions

06-04-2024 15:13

240406-slp4zsda2y 10

06-04-2024 15:12

240406-slhd5sdf75 10

06-04-2024 15:12

240406-sk9r1adf68 10

06-04-2024 15:11

240406-skt2jsch9s 10

25-03-2024 14:17

240325-rl28wadd8t 10

Analysis

  • max time kernel
    1119s
  • max time network
    1122s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    06-04-2024 15:12

General

  • Target

  • Size

    1.4MB

  • MD5

    63210f8f1dde6c40a7f3643ccf0ff313

  • SHA1

    57edd72391d710d71bead504d44389d0462ccec9

  • SHA256

    2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f

  • SHA512

    87a89e8ab85be150a783a9f8d41797cfa12f86fdccb48f2180c0498bfd2b1040b730dee4665fe2c83b98d436453680226051b7f1532e1c0e0cda0cf702e80a11

  • SSDEEP

    12288:WZgSKWk54jeg6lL5assQHtzV2KoLJ+PwXxwuLSJ8slf1zMr6iL/KNDx2PIXe2Q:KgoLetlLS8tz6V+PwD0XVMrXCNDxtK

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 64 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2420
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1952
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:1704
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\System32\xfs

    Filesize

    85KB

    MD5

    1f740c119f1f8045125b9f7fb782c182

    SHA1

    d11baa795b44cc1fd6f2f14afbb6b76f1dc6d528

    SHA256

    a096a57629d91ba61cb946de37f946d5f57e39fe275dd271da5327a89ce64096

    SHA512

    428142d8f155ad764fc46332fb13e9a6cb4dc637b465c6304468e984ca295621cf3ff6ee323f5f16cc2804dbfde023e52d974588fe4df437bc1529551d5b5fc7

  • memory/1580-0-0x0000000001E70000-0x0000000001F3E000-memory.dmp

    Filesize

    824KB

  • memory/1580-1-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-2-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-3-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-4-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-5-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-9-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-12-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-35-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-37-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-36-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-34-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-33-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-38-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-39-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-40-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-41-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-42-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-43-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-44-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-45-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-47-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-46-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-48-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-49-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-50-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-51-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-52-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-53-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-54-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-55-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-56-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-57-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-58-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-59-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-60-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-61-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-62-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-63-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-64-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-65-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-66-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-67-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-68-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-69-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-70-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-71-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-72-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-73-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-74-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-75-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-76-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-77-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-78-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-79-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-80-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-81-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-82-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-83-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-84-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-85-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-86-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-87-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-88-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-89-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-90-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-91-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB