Resubmissions

07-04-2024 06:31

240407-haaj2sff32 10

07-04-2024 06:31

240407-g95nssfb2w 10

07-04-2024 06:31

240407-g911lsff26 10

07-04-2024 06:30

240407-g9xcesfa9z 10

01-02-2022 04:39

220201-e9zrfaggdq 10

Analysis

  • max time kernel
    1561s
  • max time network
    1565s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 06:31

General

  • Target

    a8c452946e291216b7bba41b8e7f9a3eb5ee9178c9559e4b5017ed832d90b94f.exe

  • Size

    1.5MB

  • MD5

    7cdcc3f98b8ac064a1a0f0b978a125a1

  • SHA1

    0403524c482fd0aaf166604d3d18cc80b308034b

  • SHA256

    a8c452946e291216b7bba41b8e7f9a3eb5ee9178c9559e4b5017ed832d90b94f

  • SHA512

    b89a50371281474d1a1013acec4d7cd14445579b1c37b5efab17ebdb6a27bcf1f42457ad9f63fedd4dc5adeeadb59816ccaff27f3538e438a21149abb342dfc5

  • SSDEEP

    24576:QpTUqxDuI7WRoIlt2dTsJ63hHjGGYWYwMqP:ETxD/WRoIlIdTskNGIMqP

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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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\a8c452946e291216b7bba41b8e7f9a3eb5ee9178c9559e4b5017ed832d90b94f.exe
    "C:\Users\Admin\AppData\Local\Temp\a8c452946e291216b7bba41b8e7f9a3eb5ee9178c9559e4b5017ed832d90b94f.exe"
    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:2292
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:1596
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1624
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2424
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\System32\xfs

    Filesize

    40KB

    MD5

    0f1f8cce027ff5cac971cdb3a161a508

    SHA1

    cda5339ad5ec2305f6cb973474d8894c095bf058

    SHA256

    aabf3996f692a5e72423a039790bbb9608d43e0e5fe612dd10bb746c9a551e6c

    SHA512

    0724ad3c68c0bb29b672e0e808e32e2072277653b336327b1eb359a1a630b672be273af7a7871124ad6b216d17251d6112fa27ae046d3f0dfda09aaeec4b16d7

  • memory/2292-0-0x0000000000680000-0x0000000000755000-memory.dmp

    Filesize

    852KB

  • memory/2292-1-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-2-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-4-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-3-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-7-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-6-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-5-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-11-0x0000000000680000-0x0000000000755000-memory.dmp

    Filesize

    852KB

  • memory/2292-12-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-13-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-16-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-37-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-38-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-39-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-41-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-40-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-42-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-43-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-44-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-45-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-46-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-47-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-48-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-49-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-50-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-51-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-53-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-52-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-55-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-56-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-57-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-58-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-59-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-54-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-60-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-61-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-62-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-63-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-64-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-65-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-66-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-67-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-68-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-69-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-70-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-73-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-72-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-74-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-77-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-79-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-80-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-78-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-81-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-76-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-75-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-71-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-83-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-84-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-85-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-86-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-82-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-87-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-88-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-89-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-92-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-91-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-90-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB