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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
    838s
  • max time network
    1172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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 6 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:1580
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:5048
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:3464
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:228
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3772
  • 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:3928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\System32\xfs

    Filesize

    16KB

    MD5

    1b2a01c48283537bbca5cb887f9c0d58

    SHA1

    1e30501875531b8279642b0ddd54b4681b001ed1

    SHA256

    cb5c1a894a7effb145056360e48130627b6b6769fee69426ecdbd192a4864b18

    SHA512

    6ba5f45dcef2aa409431a2d52c263e2c7ca5a6690348cde975730d8ae006c7e9b2450d25b6ce86cb512225bbd7e68d499cf462e5667a052c2b57574b425f1890

  • memory/1580-0-0x0000000000400000-0x000000000060B000-memory.dmp

    Filesize

    2.0MB

  • memory/1580-2-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-1-0x00000000023B0000-0x000000000247E000-memory.dmp

    Filesize

    824KB

  • memory/1580-3-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-4-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-6-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-5-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-10-0x0000000000400000-0x000000000060B000-memory.dmp

    Filesize

    2.0MB

  • memory/1580-11-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-14-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-35-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-36-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-42-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-40-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-45-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-47-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-48-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-49-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-52-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-54-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-58-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-59-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-60-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-62-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-61-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-63-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-66-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-68-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-72-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-77-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-73-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-78-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-81-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-83-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-87-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-88-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-92-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-93-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-97-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-98-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-101-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-103-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-104-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-105-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-106-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-107-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-108-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-109-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-110-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-111-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-112-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-113-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-114-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-115-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-116-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-117-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-118-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-119-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-120-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-121-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-122-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-123-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-124-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-125-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-126-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-127-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-129-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

  • memory/1580-128-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB