Resubmissions

29-01-2023 18:07

230129-wqck8sgd68 10

Analysis

  • max time kernel
    1566s
  • max time network
    1567s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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.

  • 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\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 UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:268
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1692
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:1168
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:452

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
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

    96KB

    MD5

    38f7f1d9c1885e093e7c24fd56e9ab34

    SHA1

    934c10b1b97145c3e5c472db28d49def3c66e3d0

    SHA256

    4beea86f8293ff9c3d981e1c9311f01fb3660e8e69857fed815ff86bf265827d

    SHA512

    9286702042ef95dc74cfe640abb971ea45586616d7ad635329432fda129f0279484208de151a065531b5939223787001c4db96d4f156bc77e9a91bb663859381

  • memory/1720-0-0x0000000000320000-0x00000000003F5000-memory.dmp
    Filesize

    852KB

  • memory/1720-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-7-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-6-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-11-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-12-0x0000000000320000-0x00000000003F5000-memory.dmp
    Filesize

    852KB

  • memory/1720-13-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-74-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-73-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-75-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-76-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-77-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-78-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-79-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-80-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-81-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-82-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-83-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-84-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-85-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-86-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-87-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-88-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-89-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-90-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-91-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1720-92-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB