Resubmissions

15-03-2024 00:57

240315-ba4dssce7w 10

Analysis

  • max time kernel
    1192s
  • max time network
    1164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-04-2024 11:50

General

  • Target

    ca13f4913d90017fd5cd552b30c25349.exe

  • Size

    1.2MB

  • MD5

    ca13f4913d90017fd5cd552b30c25349

  • SHA1

    c620800477ad9d2b4e6939847f58ec05aaee0d1d

  • SHA256

    25c3a5bf8a33e941286f5f271843a480e4f8669086eac047abdfd6f8d5f96a06

  • SHA512

    b0bc0a74eac66f5e55578a1fefe63917704a08a6fb8830cf9e5c3122825bce368cb6cdaf4c999112ddcdebdf25edda473a31b984c5086ab827be49c6a55606f1

  • SSDEEP

    24576:AAIvEq8jlEBPkNShzxh7QjO+NhXh1l/JFfnE88smI:AfajiNOsbQjOuXh1lvESt

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.

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 6 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\ca13f4913d90017fd5cd552b30c25349.exe
    "C:\Users\Admin\AppData\Local\Temp\ca13f4913d90017fd5cd552b30c25349.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 WriteProcessMemory
    PID:4792
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4448
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:2768
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4132
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1344
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\System32\xfs

    Filesize

    65KB

    MD5

    2b3666e29478742a44147f18dc272381

    SHA1

    7f80b76d86a160984932918225aad4a33c1a51a9

    SHA256

    d8c1d50059b5c232fadc576149ff269f454286274daaaef442cfd4cdb49b0a08

    SHA512

    2128033c7a2e750d6d79e2001a529913a78453b9ea7897cfb58a484157d8aa433245a3c6cf5a6caed4ccb3761b024280879b8bf589e3b78d6c8977726565d288

  • memory/4792-0-0x0000000002500000-0x00000000025D5000-memory.dmp

    Filesize

    852KB

  • memory/4792-1-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-2-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-3-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-5-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-4-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-8-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-11-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-12-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-13-0x0000000002500000-0x00000000025D5000-memory.dmp

    Filesize

    852KB

  • memory/4792-14-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-15-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-16-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-17-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-18-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-21-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-22-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-23-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-24-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-25-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-26-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-27-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-28-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-29-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-30-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-31-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-32-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-33-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-34-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-35-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-36-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-37-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-38-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-39-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-40-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-41-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-42-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-43-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-44-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-45-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-46-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-47-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-48-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-49-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-50-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-51-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-52-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-53-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-54-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-55-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-56-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-57-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-58-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-59-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-60-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-61-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-62-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-63-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-64-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-65-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-66-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-67-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-68-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-69-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-70-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-71-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/4792-72-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB