Resubmissions

29-01-2023 18:20

230129-wy2v4aab6s 10

Analysis

  • max time kernel
    1792s
  • max time network
    1587s
  • 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 12:11

General

  • Target

    629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe

  • Size

    1.2MB

  • MD5

    969305f9f01a46e8eee82885d9bde2bd

  • SHA1

    a5cf52711faec6b7ec152ac074496a7a6e825765

  • SHA256

    629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70

  • SHA512

    a916a1ef2bc9c77e9cb3476def54747dcf9c6819c9dd436d8e7ec4f9c3046ce850db7727fc97f820aba070015e06975540f5cacbf6e7341a3ffb787560590ba2

  • SSDEEP

    24576:U0Xy5spQBcumH3iA537SEHKa3RoMF/tM7duvJkdV4KL:U0iupecuYSAt2E53WMF/+duvJIV4S

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 3 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 26 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Interacts with shadow copies 2 TTPs 3 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of FindShellTrayWindow 44 IoCs
  • Suspicious use of SendNotifyMessage 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 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\629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe
    "C:\Users\Admin\AppData\Local\Temp\629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.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:2840
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:784
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:868
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:1748
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2200
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:256
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\System32\xfs

    Filesize

    255KB

    MD5

    8769b6bcb98e3d7f72409b6759449fb2

    SHA1

    634e431e42691d75940852b695d3b83b44e6f95a

    SHA256

    7915742ecfbc696d56c55d3c1e479c71693edbf91765dd11dc170bfc0dc36acf

    SHA512

    e974aef33755552ce0203031ab7b3443c2454c8246295b9c0c62fe8afac2f879a4314324459e1c1f94e30aedab8ecba68e36588cbe925df8ced68c946258acad

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db

    Filesize

    1024KB

    MD5

    eec3fe6baad1a086027cdd438077289c

    SHA1

    7d85f86f8447d3c16d85406bf39fb3def1a8cf82

    SHA256

    5b4aaee1e8e08ca9dbcb68bf922d6cac5b61b0c2c7bf00a272c65dc881d50d57

    SHA512

    f8ea256986ba1948104e2e72f03ebd699f6a6ecac9db0642a23115e9a48c984b7fb01026bf312e6bab494b4505033a684fa19d8955bc303e30f0739cbf664ef4

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db

    Filesize

    1024KB

    MD5

    5761d5c82649efc792b8a9afd819c383

    SHA1

    b666bf79772e857211f4bbfb5e1c36d3555a8d7f

    SHA256

    465726b90368cd8e36bb1769145444f9b946eb7a338f24e44a92005e9f4c5e3e

    SHA512

    b691d402fbfa0199e058a58b52380e4297721c9b0456ede1b8b3ec77121db5dc80926dbe4cfe3b4e4c18b26accdc4af2f2f05da2b6d3c3ffcea112867af2bc61

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

    Filesize

    7KB

    MD5

    5a9642d459cbf1be05ca5e52a4a9142d

    SHA1

    24eb0bebddff4e3e58de4583a94c7453e8f89dc6

    SHA256

    16bafbf0aeda01f8287aae20e90f91eb85dc0f3129510d0a1da3777232a7935a

    SHA512

    a24fbc22be9bb5b137266d5928ac48e0e3627d88e4608351d06a8cae732ad673d529be451d19281079617669eaa8cacc3e023e3361db3a3533728fb670b03ff0

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

    Filesize

    7KB

    MD5

    8b580a54ba8510d8ea41ed3873556428

    SHA1

    0ef24e68c3063d5e58829a33fd15bd7ee60bf60d

    SHA256

    e5aab11ccc673bd490ecd29a1d86f9afce7e98db9c0d9a03158c18e217306913

    SHA512

    85165894b0aecca419a50f6b3f84992304590a05d66ccbd3da8d4bcc66a04d383274d67fe21a145592b2d903e0588938fecaca38da610ba8311aa07eab115dcb

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

    Filesize

    1024KB

    MD5

    3aabc4bf6bdd14699294220f6a1f4729

    SHA1

    9a47a69b8371dc499aaf36df4949e4fd7c9c68d3

    SHA256

    da398c29b43f27b898b0ab0b389c98d95eb0cc95232b7bd2a320c9817708be62

    SHA512

    913f5746cc417e6010661a1d03ea59605e438c440b6db9c9775cc92bbf78ca61f5ab39f5cbcee2c0fcc684b941bacab8ea99ed24293212ff0065b8a69d63ffc2

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_48.db

    Filesize

    24B

    MD5

    ae6fbded57f9f7d048b95468ddee47ca

    SHA1

    c4473ea845be2fb5d28a61efd72f19d74d5fc82e

    SHA256

    d3c9d1ff7b54b653c6a1125cac49f52070338a2dd271817bba8853e99c0f33a9

    SHA512

    f119d5ad9162f0f5d376e03a9ea15e30658780e18dd86e81812dda8ddf59addd1daa0706b2f5486df8f17429c2c60aa05d4f041a2082fd2ec6ea8cc9469fade3

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

    Filesize

    7KB

    MD5

    88514bed1dbd866dc5026c141d99206b

    SHA1

    2598fc94ee02895852843673d910c961e8dba09e

    SHA256

    f8bafb7d3c3608af6131c0a0c312c996b4621c7f5140686bc5a0c2b056c64666

    SHA512

    0e3bcb186223e0a2993d23c2a55b7c85e9e59a97f2333128ba2ada79f436eaf1f94c626ce196b4331a758620c0d1b83061077cc63b5e1d3377e28058a7d52193

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

    Filesize

    7KB

    MD5

    7987596ea194a1254fab7fba595996bc

    SHA1

    743de41c9c94e4f0cfaf676fa8d0f6168dd9d4ef

    SHA256

    f023811b848ad0280abeeecd8d2805721ff7e985213189c7a83128f197644b0c

    SHA512

    b9ee09887d142ef0938218269a7b7c42321ad52cd869c9319e1a753a0b53dd993ccab13036dfc50ac39aa39e5458948e6ae8650b43762485dd765009115bba2e

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Cortana_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\GO5H5QJ1\microsoft.windows[1].xml

    Filesize

    97B

    MD5

    9a9d57ce5ae07c9a465ffe30cbf86ae4

    SHA1

    bddc659daeda718ad86dff1c9704c82b175c497a

    SHA256

    9c367bd2b12a2a3d767133956fac9619215c636639ff04eaf222f221a426b5da

    SHA512

    d7c81b18c7b66b8a12e0af3b47b1dbbb91a81cb1d85c70e73d2b3fd62ce8fdd4f752350c5ae4785a909d3931f59e65741cafa3bc743d58f5f2e1021611e5e033

  • C:\Users\Admin\AppData\Roaming\B24AC6DEB24AC6DE.bmp

    Filesize

    2.6MB

    MD5

    993cc909a89f0fb7fe90acc3703c2105

    SHA1

    f422cdcb426718b235a19080b0daf71c9b448768

    SHA256

    4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8

    SHA512

    5ec562b1e6f91f8774bf8fd00a6a413b4b4b5be2ede17ff9c417fce7097b7d313b136740e525c19a77f220e80fb0e92f8f4d1866ea185c9fc6755c3b41aa9762

  • memory/2840-39-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-45-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-12-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-13-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-14-0x0000000002210000-0x00000000022E5000-memory.dmp

    Filesize

    852KB

  • memory/2840-15-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-16-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-17-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-18-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-21-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-22-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-23-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-24-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-25-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-26-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-27-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-28-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-29-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-30-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-31-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-32-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-33-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-34-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-35-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-36-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-37-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-38-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-7-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-40-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-41-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-42-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-43-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-44-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-11-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-46-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-47-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-48-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-49-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-50-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-51-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-52-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-53-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-54-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-55-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-56-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-57-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-58-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-59-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-60-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-61-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-62-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-63-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-64-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-65-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-66-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-5-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-4-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-3-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-2-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-1-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-0-0x0000000002210000-0x00000000022E5000-memory.dmp

    Filesize

    852KB

  • memory/2840-67-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-68-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-69-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-70-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2840-71-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB