Overview

overview

10

Static

static

c16bd2e03b...29.exe

windows7-x64

10

c16bd2e03b...29.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c16bd2e03b3dfffd4f10a99087b4cdeae34bd5798085985b8f33ccdfb9004e29

  • Size

    244KB

  • Sample

    221130-12acgahh79

  • MD5

    6e282ee1e7e18f01445f1b659e53e87a

  • SHA1

    6490ebdf9d7002db97b606adeca41457071d80b4

  • SHA256

    c16bd2e03b3dfffd4f10a99087b4cdeae34bd5798085985b8f33ccdfb9004e29

  • SHA512

    91bf71a98361fbdab89aa7f3cd9234c0960c6a1466716c4dcf54642b587c1366d451afc93c2082cec01c276003a602e2232f782fe1634e5472617b9dc7de1208

  • SSDEEP

    3072:KUSDLtZ7lRl95+C3WRCk+tOcm1HF7Wd7YSQ7GJCHUBsZVU5U+Lq9NJaa:NMDlRwCGEw715W2iJkasZmq9NJaa

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      c16bd2e03b3dfffd4f10a99087b4cdeae34bd5798085985b8f33ccdfb9004e29

    • Size

      244KB

    • MD5

      6e282ee1e7e18f01445f1b659e53e87a

    • SHA1

      6490ebdf9d7002db97b606adeca41457071d80b4

    • SHA256

      c16bd2e03b3dfffd4f10a99087b4cdeae34bd5798085985b8f33ccdfb9004e29

    • SHA512

      91bf71a98361fbdab89aa7f3cd9234c0960c6a1466716c4dcf54642b587c1366d451afc93c2082cec01c276003a602e2232f782fe1634e5472617b9dc7de1208

    • SSDEEP

      3072:KUSDLtZ7lRl95+C3WRCk+tOcm1HF7Wd7YSQ7GJCHUBsZVU5U+Lq9NJaa:NMDlRwCGEw715W2iJkasZmq9NJaa

    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