Overview

overview

9

Static

static

4

TamperLoader.exe

windows10-2004-x64

9

TamperLoader.exe

windows11-ltsc_2024-x64

1

Sharing

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General

  • Target
    TamperMarket (1).zip
  • Size 3.4MB
  • Sample260830-1emz2ssvht
  • SHA256 aaee99988118e6db9cfa66d0e072e6923a3a12ca0f472fe7edb008d395040a8f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
costuradefense_evasiondiscoverypackerpersistenceransomwarespywaretrojan

Malware Config

Targets

    • Target
      TamperLoader.exe
    • Size 4.1MB
    • SHA256 c2f3fb641d6a00def71fe48365fd4ba4e6f55c023293849653268c0dd880420f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoverypersistenceransomwarespywaretrojan

    • Renames multiple (6135) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks