Overview

overview

10

Static

static

be300ffb60...4c.exe

windows7-x64

10

be300ffb60...4c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    be300ffb6054410dc4827b760ccccd0585561853785651c5db7145ffffce344c

  • Size

    244KB

  • Sample

    221130-19acfadg3z

  • MD5

    6e83bce08ede31ad3e5e3af23362847f

  • SHA1

    8b72eca1b0a9da36b247904956eae9548fb36913

  • SHA256

    be300ffb6054410dc4827b760ccccd0585561853785651c5db7145ffffce344c

  • SHA512

    3b5c54739f51a3e746bd8fcd856c9afb19eef22e981ac53306ce563504795deb496b15a5ef04e51e355e805d6e52307497515b37d00c5476f14ad34d4ffd64da

  • SSDEEP

    3072:I6mkrs3lz0V60Zag1avncLfG2AN9cLxLX8D8ZDmZ+aMN7QdtvD0EcykWPZyNZ2b5:Pdmq60t1UcL+2gcxq8ZDmZ

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      be300ffb6054410dc4827b760ccccd0585561853785651c5db7145ffffce344c

    • Size

      244KB

    • MD5

      6e83bce08ede31ad3e5e3af23362847f

    • SHA1

      8b72eca1b0a9da36b247904956eae9548fb36913

    • SHA256

      be300ffb6054410dc4827b760ccccd0585561853785651c5db7145ffffce344c

    • SHA512

      3b5c54739f51a3e746bd8fcd856c9afb19eef22e981ac53306ce563504795deb496b15a5ef04e51e355e805d6e52307497515b37d00c5476f14ad34d4ffd64da

    • SSDEEP

      3072:I6mkrs3lz0V60Zag1avncLfG2AN9cLxLX8D8ZDmZ+aMN7QdtvD0EcykWPZyNZ2b5:Pdmq60t1UcL+2gcxq8ZDmZ

    Score
    10/10
    metasploitbackdoorevasionpersistencetrojanupx

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

      trojanbackdoormetasploit

    • Modifies firewall policy service

      evasion

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks