Resubmissions

06-04-2024 15:09

240406-sjns5sdf36 10

06-04-2024 15:08

240406-sh7vmach6y 10

06-04-2024 15:08

240406-shzh9ach6v 10

06-04-2024 15:07

240406-shpdaade97 10

15-06-2022 13:16

220615-qh9ccabae7 10

Analysis

  • max time kernel
    1060s
  • max time network
    1060s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    06-04-2024 15:08

General

  • Target

    29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.exe

  • Size

    1.4MB

  • MD5

    a71294ac29535734df8d7ea8e30bef3b

  • SHA1

    4d24ee41c7d2aecfebd5500adc3dc308ebf8e029

  • SHA256

    29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552

  • SHA512

    978cf084bf6ecaf1df46e54645c6a87a9b1ca48d641405a7cdf2a411f2619455c66875e8de0f4fcaaaa4f96f81c5d6261511198f03d61f73211dc8cebeb148bb

  • SSDEEP

    24576:9JSlxEJLbyy1BEEmuOdScyLmYBSnMVJKg3WtDI7h0:9JSlR8OdSPL4n6Isq072

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 12 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\29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.exe
    "C:\Users\Admin\AppData\Local\Temp\29c3039267fdb2758c8325b26069d94b3edd79c1c4c828bda0450b965422f552.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:1288
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2088
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1836
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2072
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1052

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

    95KB

    MD5

    a0434d511da0d36edf344f86a93f18e9

    SHA1

    32ad79da98cc0d213de32c84fc2e1cf39af62aaf

    SHA256

    9e50ea910f4968a3618c43e2dfeb0fe78fd2ef9f6da66c0bee22930f1893d8f5

    SHA512

    f61f0f0b731b02be21ce865cec93d4f8802f40a9cb4519dd6fa2c45677a03e0642cb679a98dccf98d03ec19377d2defae159c4bdbe73c5b99ed4ae78ca5cfffb

  • memory/1288-0-0x00000000002C0000-0x0000000000395000-memory.dmp
    Filesize

    852KB

  • memory/1288-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-6-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-10-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-11-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-12-0x00000000002C0000-0x0000000000395000-memory.dmp
    Filesize

    852KB

  • memory/1288-13-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-73-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-74-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-79-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-78-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-77-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-80-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-81-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-76-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-82-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-75-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-84-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-83-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-86-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-85-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-87-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-88-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-89-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-90-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-91-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/1288-92-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB