Overview

overview

10

Static

static

11b76f5945...4c.exe

windows7_x64

10

11b76f5945...4c.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    11b76f59452efbca118b8ebc2478be84c70945a851911a1a5b7220691af6704c

  • Size

    175KB

  • Sample

    220604-aytzlaffdm

  • MD5

    77b76cd9351ac9d3cfc7fb5a7ddd505c

  • SHA1

    9fac5e34d44b515538f9c4343b9c15304b127aba

  • SHA256

    11b76f59452efbca118b8ebc2478be84c70945a851911a1a5b7220691af6704c

  • SHA512

    5581df002694ad755ad1954bc2c81ab9ce275b99fc7c355971378de103caf20e8e337fcb07189dd11a35e58fd6bebf221c965be3d6723c0e789b3c20a9d7f6a5

Score
10/10
metasploitbackdoortrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      11b76f59452efbca118b8ebc2478be84c70945a851911a1a5b7220691af6704c

    • Size

      175KB

    • MD5

      77b76cd9351ac9d3cfc7fb5a7ddd505c

    • SHA1

      9fac5e34d44b515538f9c4343b9c15304b127aba

    • SHA256

      11b76f59452efbca118b8ebc2478be84c70945a851911a1a5b7220691af6704c

    • SHA512

      5581df002694ad755ad1954bc2c81ab9ce275b99fc7c355971378de103caf20e8e337fcb07189dd11a35e58fd6bebf221c965be3d6723c0e789b3c20a9d7f6a5

    Score
    10/10
    metasploitbackdoortrojanupx

    • MetaSploit

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

      trojanbackdoormetasploit

    • 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

    • 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

Privilege Escalation

Defense Evasion

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