Overview

overview

10

Static

static

cee308ef86...3c.exe

windows7-x64

10

cee308ef86...3c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c

  • Size

    264KB

  • Sample

    221203-e6ebbshe81

  • MD5

    99443f0fe6928746ba6a8b41fff141d8

  • SHA1

    28f1a01d758c7285f8b87eaf78e11588f031cd4f

  • SHA256

    cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c

  • SHA512

    fb23c8e0e80cb37337affd699d7f15969766f8efa3b507695b150a418f6c73cd93c4e29b12a83667c08457bd6861b33b80ad3bd91d79b1716c58aeea702641e9

  • SSDEEP

    6144:tC5ujFI7ZTHzevFiTpTyyGkY/U/no//XkY/U/no//XMMXgMXgMXgMXgMXgMXgMXv:tpS7Rze9QpnGkY/U/no//XkY/U/no//X

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c

    • Size

      264KB

    • MD5

      99443f0fe6928746ba6a8b41fff141d8

    • SHA1

      28f1a01d758c7285f8b87eaf78e11588f031cd4f

    • SHA256

      cee308ef86dc9e5e1516ac483910f5b4d4e9f08576aaa9a16dfcbf64e538c53c

    • SHA512

      fb23c8e0e80cb37337affd699d7f15969766f8efa3b507695b150a418f6c73cd93c4e29b12a83667c08457bd6861b33b80ad3bd91d79b1716c58aeea702641e9

    • SSDEEP

      6144:tC5ujFI7ZTHzevFiTpTyyGkY/U/no//XkY/U/no//XMMXgMXgMXgMXgMXgMXgMXv:tpS7Rze9QpnGkY/U/no//XkY/U/no//X

    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