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Resubmissions

17/04/2024, 12:14

240417-pesdzsfh4y 10

17/04/2024, 12:14

240417-persfsfh4x 10

17/04/2024, 12:14

240417-peqv6aec97 10

17/04/2024, 12:14

240417-pedktsfh3z 10

17/04/2024, 12:14

240417-peczasec87 10

17/04/2024, 06:32

240417-ha37csfh67 10

Analysis

  • max time kernel
    1103s
  • max time network
    1180s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/04/2024, 12:14

General

  • Target

    c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe

  • Size

    1.1MB

  • MD5

    20cba77eaae04ca6623cbbe03f9a81d8

  • SHA1

    fd989d3ba9ab0534f48b7cb1d11036a4ed08e431

  • SHA256

    c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856

  • SHA512

    e102e1902d224730fccce9cefc8d9c92471a35a49e64718d2dacd183d629fbc388fd6c6ae3fa5c59115cef061106459b767bec21628339bd712c291ea60a86f9

  • SSDEEP

    24576:VVimLZikdvnYgTcH2JsjaCtxl7j7XFv+RC7WwQOvu+s:VVimLZiSfHJ8aCtxl7nVvwCa8uz

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
  • 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 15 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.exe
    "C:\Users\Admin\AppData\Local\Temp\c4a48fbe5df0c9b765899f3edf6e1003fd3a2a6bcc39d1b3a0343bb246b78856.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:3080
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:3344
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1052
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:340
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3456
  • 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:3136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\System32\xfs

    Filesize

    54KB

    MD5

    90ae18a560c167fe8732b036ef1fcfba

    SHA1

    f856b64635eb924bda4f97ce67fe340c6a24b9c4

    SHA256

    930676737bfc5ebce852fa7510319c838aa4812caa91a6e3f6002b20f46d4dd9

    SHA512

    26bdc596d6d1896111b8ca31ca87b25f5382af9fc06656b0626e0055e389f54aa0b62d565ae5852a551659437957874c52d889738f576e28dabaf0dd66414c57

  • memory/3080-0-0x0000000000400000-0x000000000060B000-memory.dmp

    Filesize

    2.0MB

  • memory/3080-1-0x0000000002380000-0x000000000244E000-memory.dmp

    Filesize

    824KB

  • memory/3080-2-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-3-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-4-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-5-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-6-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-10-0x0000000000400000-0x000000000060B000-memory.dmp

    Filesize

    2.0MB

  • memory/3080-11-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-14-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-35-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-36-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-40-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-42-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-45-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-47-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-52-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-50-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-54-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-57-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-58-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-59-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-61-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-60-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-65-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-66-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-70-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-71-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-75-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-80-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-81-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-76-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-85-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-86-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-90-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-91-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-95-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-96-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-101-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-102-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-103-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-104-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-105-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-107-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-108-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-110-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-111-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-113-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-115-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-116-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-118-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-121-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-123-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-126-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-128-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-129-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-127-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-125-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-124-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-122-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-120-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-119-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-117-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-114-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-112-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-109-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-106-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/3080-100-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB