Overview

overview

10

Static

static

79f7a5eb93...7e.exe

windows7-x64

10

79f7a5eb93...7e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e

  • Size

    167KB

  • Sample

    221203-a2x6esdd6w

  • MD5

    75a4bb32f0c21fef986fc173da1f4ecd

  • SHA1

    c4bdb42e05e9097ba2ae739806f4300fa651427d

  • SHA256

    79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e

  • SHA512

    85894bf419ca4cf6ee073530d508a43b859f002cc3b7c6b1a37c6670724aa872dfd5de280b995c3131f3de1aa972ceabcd46738e586e6be89137c1c88e74d231

  • SSDEEP

    3072:0LPfd85kN4bZF+WSUVwoludo+EryI2zgbXsVYQ4qiturfOnPtT34:6a5k4ZFPSUGfdoj127NZOna

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e

    • Size

      167KB

    • MD5

      75a4bb32f0c21fef986fc173da1f4ecd

    • SHA1

      c4bdb42e05e9097ba2ae739806f4300fa651427d

    • SHA256

      79f7a5eb9379ddf6573ceb766fb8d75cd8d8a2e56f25ce58eddee1bcbb4af97e

    • SHA512

      85894bf419ca4cf6ee073530d508a43b859f002cc3b7c6b1a37c6670724aa872dfd5de280b995c3131f3de1aa972ceabcd46738e586e6be89137c1c88e74d231

    • SSDEEP

      3072:0LPfd85kN4bZF+WSUVwoludo+EryI2zgbXsVYQ4qiturfOnPtT34:6a5k4ZFPSUGfdoj127NZOna

    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