Resubmissions

30-12-2023 09:02

231230-kzgqrsedaj 10

Analysis

  • max time kernel
    1556s
  • max time network
    1561s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-04-2024 13:33

General

  • Target

    13ff5145f905b197eee478e565e30f4e.exe

  • Size

    1.2MB

  • MD5

    13ff5145f905b197eee478e565e30f4e

  • SHA1

    5d983937eeb3ce1455eed52bb478c84d54d64f81

  • SHA256

    df2894b4298be05620b329d27bf0b45314629316fd6a082b6d90bbdfe9bf5a53

  • SHA512

    02a97bcca38b98d481e05bb8216d22bc893594d887b45bb9c87732c0f030dcdcdc40e3f1d3a5954751e888a3056bd44996ea7e36eca37f4977642ef38da417ca

  • SSDEEP

    24576:XHtrdKYVVSrqGDohJ3STZG8vIn/sCBGnWsY0Dy2:XHtV7GwBSTc8An/4YF2

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 21 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\13ff5145f905b197eee478e565e30f4e.exe
    "C:\Users\Admin\AppData\Local\Temp\13ff5145f905b197eee478e565e30f4e.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:2772
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2076
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1604
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2736
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2188

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

    55KB

    MD5

    06f3532379dcd84054131036c0633cdf

    SHA1

    9ac841fcba8741f8ecb4efabc51cc151a80d6022

    SHA256

    fa078c3c1d03f6f9093a98ea53b8e359854e73b1d756869d91127ab7c2fd1cf3

    SHA512

    1f0783c0bdf090786c39fa97444f156d2ec714a91e0d485ee6eee7c509fa7d6dd07e2ea7f6992e57e2ef586ad09042d1d58c43f22f71768eb38023c43359eaa3

  • memory/2772-0-0x00000000021F0000-0x00000000022C5000-memory.dmp
    Filesize

    852KB

  • memory/2772-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-6-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-8-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-11-0x00000000021F0000-0x00000000022C5000-memory.dmp
    Filesize

    852KB

  • memory/2772-12-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-13-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-73-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-74-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-75-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-76-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-77-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-78-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-80-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-79-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-81-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-82-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-83-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-85-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-86-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-89-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-88-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-87-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-84-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-90-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-91-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2772-92-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB