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Analysis

  • max time kernel
    1064s
  • max time network
    1068s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 15:10

General

  • Target

    02e8c7af3724ff535da627197920ad14.exe

  • Size

    1.2MB

  • MD5

    02e8c7af3724ff535da627197920ad14

  • SHA1

    794bd6f52a9673e1146321fa2545c580858c0d5f

  • SHA256

    ed801a3e54843afe989aadd69cdab5e6fbf00e8e02742f354519b4b16de8f31c

  • SHA512

    8a8710ffced04c30f5c43c71ebcbcf56f7b096836f67d1a847db4a8df4f39e291f3e7119f45f03fa1ca0abd0021f81abd31bb775fa22fe2340c1cf24f19f2555

  • SSDEEP

    24576:XHtrdKYVVSrqGDohJ3STZG8vIn/sCBGnWsY0Dyk:XHtV7GwBSTc8An/4YFk

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\02e8c7af3724ff535da627197920ad14.exe
    "C:\Users\Admin\AppData\Local\Temp\02e8c7af3724ff535da627197920ad14.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:2072
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2744
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:2816
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2248
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2932

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

    68KB

    MD5

    75cd1909c135ec6930c808a50e3a9188

    SHA1

    92aa91c443ec0608d10c6105ed64840e3b15bff0

    SHA256

    64fd15e3f2988169edeefc9a265bb2bc4f32413715cb74351b81c3ad1733c100

    SHA512

    592ee99617f0541a5c96e3e35809a6b8341abf45071425074a2f509b1fb634334ad5503b876371639619ead49d9b6d3f5e3d627352ada29490135cc54b1cdf70

  • memory/2072-0-0x0000000000D30000-0x0000000000E05000-memory.dmp
    Filesize

    852KB

  • memory/2072-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-7-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-11-0x0000000000D30000-0x0000000000E05000-memory.dmp
    Filesize

    852KB

  • memory/2072-12-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-13-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-74-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-75-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-79-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-80-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-78-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-82-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-85-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-89-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-92-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-91-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-90-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-88-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-87-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-86-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-84-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-83-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-81-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-77-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-76-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-73-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2072-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB