Resubmissions

29-01-2023 18:07

230129-wqck8sgd68 10

Analysis

  • max time kernel
    1792s
  • max time network
    1586s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14-04-2024 12:17

General

  • Target

    e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

  • Size

    1.1MB

  • MD5

    7e921e11caeb6f9594fa286d217af62e

  • SHA1

    9253c2e0c30b7279fe6cf6a052b55b2b43ee2f84

  • SHA256

    e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4

  • SHA512

    8d5af1af21e4a24d5546515d9f2af5a51598de7e5e335e139c38f5f426fdb0359dabb00ea6e0d0b84846781be553a8ab234b1b6c9cdf429100569101ba055fcc

  • SSDEEP

    12288:n0FWRGqrviIa4un1WnkOJz2CFBsZX/STM3f7rUuWe+UmXELXSLbFUhNl7T7R+UtU:MunKIaNAnkOEKBslQU8ELitm/DtVy

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
  • Drops file in Windows directory 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 8 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\e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
    "C:\Users\Admin\AppData\Local\Temp\e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.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:5064
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:3700
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:4768
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:3112
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4796
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:828

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

3
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\System32\xfs
    Filesize

    125KB

    MD5

    8872b28d6512793121d2019564dfff7e

    SHA1

    3ec7c8a8568c023c20eb0bda0bec4554fffd4439

    SHA256

    ad251aae36d5092b51a43d06b1ce5271fd4a50d47fbadf7b86f6b54bd7334249

    SHA512

    7eafa88879065c1f222991b82ec4b345f84a32c10853e4d79e21be2309925a057b88df8f2a6fc54fcb085faa9f7e4104e90a8aeb60b22112f6101f375f5fa275

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_16.db
    Filesize

    24B

    MD5

    419a089e66b9e18ada06c459b000cb4d

    SHA1

    ed2108a58ba73ac18c3d2bf0d8c1890c2632b05a

    SHA256

    c48e42e9ab4e25b92c43a7b0416d463b9ff7c69541e4623a39513bc98085f424

    SHA512

    bbd57bea7159748e1b13b3e459e2c8691a46bdc9323afdb9dbf9d8f09511750d46a1d98c717c7adca07d79edc859e925476dd03231507f37f45775c0a79a593c

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
    Filesize

    7KB

    MD5

    47a7af53d005ff297d88b1e246ff3d00

    SHA1

    1e5510d0ec5f09e681287931495365fdca7b7641

    SHA256

    48b8b4f5f58296edea6409a14e97cb71bd9bcf411016199b404e94c4c66be027

    SHA512

    8565143dd6e2ebbfc4534e2bfa14cb56d50f7a9cd660729b46e7b62f181c6b066d8dbd982a95e90122cb771eec0b5724978f1ec8394fb1ffb1ab6fa17bbffdd5

  • memory/5064-0-0x0000000002280000-0x0000000002355000-memory.dmp
    Filesize

    852KB

  • memory/5064-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-8-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-11-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-12-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-13-0x0000000002280000-0x0000000002355000-memory.dmp
    Filesize

    852KB

  • memory/5064-14-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-15-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-17-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-18-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-19-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-22-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-23-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-24-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-25-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-26-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-27-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-28-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-29-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-30-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-31-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-32-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-33-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-34-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-35-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-36-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-39-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/5064-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB