Overview

overview

10

Static

static

11b5c4f252...74.exe

windows7_x64

10

11b5c4f252...74.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074

  • Size

    214KB

  • Sample

    220604-a2na8abgf3

  • MD5

    87e683e9577a4b36a1744b42bf8be44b

  • SHA1

    cc69d58f56f91a4ce36e4ca841eb83a9d1fb813e

  • SHA256

    11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074

  • SHA512

    62b53941b98d27ec75544dcb8fce76215723db3386bdd43a619a13f23c1f7d5e683661441279474de3fe7bf7f4dd13689cd04f7358282479f43c3b9e12820da9

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074

    • Size

      214KB

    • MD5

      87e683e9577a4b36a1744b42bf8be44b

    • SHA1

      cc69d58f56f91a4ce36e4ca841eb83a9d1fb813e

    • SHA256

      11b5c4f252266fc87579ed20eaf9b814ec32a9940b889d4ef3ce516ccec61074

    • SHA512

      62b53941b98d27ec75544dcb8fce76215723db3386bdd43a619a13f23c1f7d5e683661441279474de3fe7bf7f4dd13689cd04f7358282479f43c3b9e12820da9

    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