Overview

overview

8

Static

static

1

Crespo_Loader.exe

windows7-x64

8

Crespo_Loader.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    Crespo_Loader.exe

  • Size

    1.3MB

  • Sample

    230324-2jwcnabh8w

  • MD5

    1564a6c09efd13e7d9276ea68657a7a2

  • SHA1

    89afd7e12daec09e498cdce31c42af7d3b644833

  • SHA256

    2e8bdeba54ea809da1b6be4a1d1154067cd3b996165952042924da2930896dcd

  • SHA512

    6c21ecdb7fb3d16daa00015bdf4f7afbefd1d1f472a16dc60095ee5b396b6c2c4dc0b31ade9214ea0a7f497360bc8100cd28f8e1d887aad783c8fec84249c761

  • SSDEEP

    24576:VVgSy3IRUovmtgOzAz/PTP8DdCJ1Jz1b1Ga4Xr6w9KH3eyHl/pvW5HNtoKSkLzUU:VVymUkKo/IDdMz11WrgJ/I1NtpL

Score
8/10
vmprotect

Malware Config

Targets

    • Target

      Crespo_Loader.exe

    • Size

      1.3MB

    • MD5

      1564a6c09efd13e7d9276ea68657a7a2

    • SHA1

      89afd7e12daec09e498cdce31c42af7d3b644833

    • SHA256

      2e8bdeba54ea809da1b6be4a1d1154067cd3b996165952042924da2930896dcd

    • SHA512

      6c21ecdb7fb3d16daa00015bdf4f7afbefd1d1f472a16dc60095ee5b396b6c2c4dc0b31ade9214ea0a7f497360bc8100cd28f8e1d887aad783c8fec84249c761

    • SSDEEP

      24576:VVgSy3IRUovmtgOzAz/PTP8DdCJ1Jz1b1Ga4Xr6w9KH3eyHl/pvW5HNtoKSkLzUU:VVymUkKo/IDdMz11WrgJ/I1NtpL

    Score
    8/10
    vmprotect

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

      vmprotect

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks