Resubmissions

17-04-2024 14:30

240417-rt43faca49 10

17-04-2024 14:30

240417-rt4fxade5v 10

17-04-2024 14:29

240417-rtyknaca44 10

17-04-2024 14:29

240417-rtsz6sde3z 10

17-04-2024 14:29

240417-rtspeade3y 10

31-07-2022 05:21

220731-f17w5aade2 10

Analysis

  • max time kernel
    1792s
  • max time network
    1599s
  • platform
    windows10-1703_x64
  • resource
    win10-20240319-en
  • resource tags

    arch:x64arch:x86image:win10-20240319-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17-04-2024 14:30

General

  • Target

    94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

  • Size

    1.5MB

  • MD5

    6599f79e40a26186261b58aa89194e5b

  • SHA1

    0a44b71f930447d545de0f10b6f9c70d513acacc

  • SHA256

    94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02

  • SHA512

    9e4c8b704bdf6f69df693c40c323f069ac7b9900ab8486d7e5a8423670aa1ee686ccfb6c4026f903d0928145efeee04b0b4cded0000f918862208baba9913748

  • SSDEEP

    24576:4i9CFkYBMSUkGUbDkAv0f3BIykhWmRkLhKRahLo1ChjllyzD8k20ZItIhi4Gx:4ieMSU0bD7Q3Bfkh9k1VtKChpIzD/Std

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 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 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 44 IoCs
  • Suspicious use of SendNotifyMessage 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
    "C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
      C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
      2⤵
      • 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:4496
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        3⤵
        • Interacts with shadow copies
        PID:4104
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:3820
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        3⤵
        • Interacts with shadow copies
        PID:4116
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3392
  • 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:2500
  • 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:3184

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

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1024KB

    MD5

    4f8ed68a1863e3de221ca90c9db96a37

    SHA1

    0effcbe7e22b3a3856830a47b66f5e833e79d209

    SHA256

    332e18f95250354a2ac9a397ab2791b3688ef1119425aebe4210c5f41313cbe6

    SHA512

    a6332f6eb959bba060da0779e497715351e5fa25a881db18b09c0b3862808cc2d9489bf1032540964f73ca0651049843aaa60b1a27354614626ca0abf3c55996

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

    7KB

    MD5

    d90d90938ab6328d256eeabf24ff8429

    SHA1

    f67a912f32c7cb54b51841accd6b31c13f2e0520

    SHA256

    fc92671a3f41f3db17c84cfea9ffb78cd7d39bc5b7dc0b5109833d686f28ca9d

    SHA512

    54d2a82246a711560d569d499e5f71364e9ae6c49f82e5c4ad03dcf2aa3e0ef7bf77fc5dc4b582d65dc73d82480823293350481a37adc3c1c70fd653225ebe15

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

    1024KB

    MD5

    b445395f1aa641fbc3815509a2abe933

    SHA1

    0c9b55d1746a04f3bf36da6e77fa464d34cc5ce4

    SHA256

    0ae20207259bc0ffcf68260fed844944bd47e07fa405a77dc5c8762cef734b1d

    SHA512

    81c15259d644bdc6996fecab1c65ca99cba0eee706188e81bf2a40cef55c9ce9e1c27ac6a0606d8fedbc079110e59ba827ff70cdd942e46f12dad1c80b660351

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db
    Filesize

    1024KB

    MD5

    a1732749e4de326d153f0ee6b566ebe8

    SHA1

    0599976e7e9f044880513808adf860d635bbeaf6

    SHA256

    6ba5e1679843c3843f7ad66ff95993f11229dbd257e75aaa2b4ab984c8382b64

    SHA512

    bb9e376c00be79f0a36546e42646145524424d94b30a909cc9863b70eb0b669e240fab68d48be79ee23d934b1d3ae41adb003d0fbd9cf32fe9a4dba065f2c5b5

  • 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

    d236233d47fa01235b56a7c25133a1bc

    SHA1

    ac8abb682a58d9590f4eea0ada8cc2acf982b3f0

    SHA256

    0ee876910cc6665097f66f1f49f09b4de336967279a2f557099def6d971bcc1f

    SHA512

    bbe44642f7002b654fc245308076ec73b240944a49b2dc4374849e68c8259c783180138414df52fee1fcecc6b478452e70780eabaaab87324f428984a3b15c65

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Cortana_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\Q7R4L46I\microsoft.windows[1].xml
    Filesize

    97B

    MD5

    ec5f7f7d3ba6a617bcc377c82512e849

    SHA1

    5b8b713146e2b2e813b6bf3b141faa8ff97eaacf

    SHA256

    25bc6b4c838de26effb79b0b84ec497fe6be27ddfb085c6d16ce687b94a84c2c

    SHA512

    a5625890e82a965790bfd4e909d4c9a1acae2d21baac9c0bdb51e642c3331c74fbc80b792e78b12a9fa738785246fd97318e79a16b0136b841cea5f648f1c545

  • C:\Users\Admin\AppData\Roaming\9D66F3A49D66F3A4.bmp
    Filesize

    2.6MB

    MD5

    993cc909a89f0fb7fe90acc3703c2105

    SHA1

    f422cdcb426718b235a19080b0daf71c9b448768

    SHA256

    4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8

    SHA512

    5ec562b1e6f91f8774bf8fd00a6a413b4b4b5be2ede17ff9c417fce7097b7d313b136740e525c19a77f220e80fb0e92f8f4d1866ea185c9fc6755c3b41aa9762

  • memory/1144-2-0x0000000000400000-0x000000000062A000-memory.dmp
    Filesize

    2.2MB

  • memory/1144-9-0x0000000000400000-0x000000000062A000-memory.dmp
    Filesize

    2.2MB

  • memory/1144-14-0x0000000002420000-0x0000000002454000-memory.dmp
    Filesize

    208KB

  • memory/1144-8-0x0000000002420000-0x0000000002454000-memory.dmp
    Filesize

    208KB

  • memory/1144-5-0x0000000000400000-0x000000000062A000-memory.dmp
    Filesize

    2.2MB

  • memory/1144-1-0x0000000000400000-0x000000000062A000-memory.dmp
    Filesize

    2.2MB

  • memory/1144-0-0x0000000000400000-0x000000000062A000-memory.dmp
    Filesize

    2.2MB

  • memory/4496-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-21-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-22-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-23-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-24-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-27-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-28-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-29-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-30-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-31-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-32-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-33-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-34-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-35-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-36-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-39-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-19-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-20-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-73-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-74-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-75-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-18-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-13-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-11-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-10-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-76-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-77-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-78-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4496-79-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB