Overview

overview

10

Static

static

7eeb83d06f...e3.exe

windows7-x64

10

7eeb83d06f...e3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7eeb83d06fdfe62783fcf9ecbb0348e0b4860867e8c9dfbe82fdec7f5e1c87e3

  • Size

    255KB

  • Sample

    220919-g6jbdsgbal

  • MD5

    8a97bd1972cca7c70bde218a0811c13b

  • SHA1

    b27879b9cd1658bc0e7b5b7a04ae0630b95b6437

  • SHA256

    7eeb83d06fdfe62783fcf9ecbb0348e0b4860867e8c9dfbe82fdec7f5e1c87e3

  • SHA512

    81bdecac9f10eb50af33c9bcf89caebeca2ae3b5feac509e50a6968f879ffc9f23c0a2403c09630de483133fd00f6b38161f37a1bfb50501f2ff8c0edd39b84a

  • SSDEEP

    3072:JkHuQMLUdqtNYqkBd+76jOrXolyYq0hvS0hm4iDDg+pgAQH4+/5Bn6fvRS+QMA:JgahY7kYfhvI4iQ+pmY+/P6fw+QMA

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      7eeb83d06fdfe62783fcf9ecbb0348e0b4860867e8c9dfbe82fdec7f5e1c87e3

    • Size

      255KB

    • MD5

      8a97bd1972cca7c70bde218a0811c13b

    • SHA1

      b27879b9cd1658bc0e7b5b7a04ae0630b95b6437

    • SHA256

      7eeb83d06fdfe62783fcf9ecbb0348e0b4860867e8c9dfbe82fdec7f5e1c87e3

    • SHA512

      81bdecac9f10eb50af33c9bcf89caebeca2ae3b5feac509e50a6968f879ffc9f23c0a2403c09630de483133fd00f6b38161f37a1bfb50501f2ff8c0edd39b84a

    • SSDEEP

      3072:JkHuQMLUdqtNYqkBd+76jOrXolyYq0hvS0hm4iDDg+pgAQH4+/5Bn6fvRS+QMA:JgahY7kYfhvI4iQ+pmY+/P6fw+QMA

    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