Overview

overview

10

Static

static

d603c3c02a...03.exe

windows7-x64

10

d603c3c02a...03.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 04:04

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General

  • Target

    d603c3c02aa3f97e185f86b99a9eb66f802d61e1c231365f460db0f18cb19603.exe

  • Size

    138KB

  • MD5

    0d02eac01292ac73c342ad70defca1b6

  • SHA1

    c1d13cc087647dce843aa6b31f20042480ee26ba

  • SHA256

    d603c3c02aa3f97e185f86b99a9eb66f802d61e1c231365f460db0f18cb19603

  • SHA512

    eb96baf0c383b5d72ec00632c1650f06b49d256cb3086efe328fe6a1defdb643a1455da2973a1afe13fa2ceb40471e03b1ec491d8285ec202e543e126face93e

  • SSDEEP

    3072:5R2K6PFDICAgPDkqabSoC5s8b3HH0TfFGc842FCl:+K69DbDj88rIFj842O

Score
10/10
metasploitbackdoorevasiontrojan

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

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

    trojanbackdoormetasploit
  • Modifies firewall policy service 2 TTPs 8 IoCs
    evasion
  • Windows security bypass 2 TTPs 4 IoCs
    evasiontrojan
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 7 IoCs
    evasion
  • Deletes itself 1 IoCs
  • Windows security modification 2 TTPs 4 IoCs
    evasiontrojan
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d603c3c02aa3f97e185f86b99a9eb66f802d61e1c231365f460db0f18cb19603.exe
    "C:\Users\Admin\AppData\Local\Temp\d603c3c02aa3f97e185f86b99a9eb66f802d61e1c231365f460db0f18cb19603.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1496
  • C:\Windows\Fonts\unwise_.exe
    "C:\Windows\Fonts\unwise_.exe"
    1⤵
    • Modifies firewall policy service
    • Windows security bypass
    • Executes dropped EXE
    • Deletes itself
    • Windows security modification
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:888
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 445 NB
      2⤵
      • Modifies Windows Firewall
      • Modifies data under HKEY_USERS
      PID:904
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 139 NB
      2⤵
      • Modifies Windows Firewall
      • Modifies data under HKEY_USERS
      PID:672
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 1013 BS
      2⤵
      • Modifies Windows Firewall
      • Modifies data under HKEY_USERS
      PID:628
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 9999 PORT1
      2⤵
      • Modifies Windows Firewall
      • Modifies data under HKEY_USERS
      PID:804
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 9991 PORT2
      2⤵
      • Modifies Windows Firewall
      • Modifies data under HKEY_USERS
      PID:1556
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Windows\Fonts\unwise_.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Modifies data under HKEY_USERS
      PID:868
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set allowedprogram "C:\Windows\Fonts\unwise_.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Modifies data under HKEY_USERS
      PID:1160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

2
T1031

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Windows\Fonts\unwise_.exe
    Filesize

    138KB

    MD5

    0d02eac01292ac73c342ad70defca1b6

    SHA1

    c1d13cc087647dce843aa6b31f20042480ee26ba

    SHA256

    d603c3c02aa3f97e185f86b99a9eb66f802d61e1c231365f460db0f18cb19603

    SHA512

    eb96baf0c383b5d72ec00632c1650f06b49d256cb3086efe328fe6a1defdb643a1455da2973a1afe13fa2ceb40471e03b1ec491d8285ec202e543e126face93e

    Download Submit
  • memory/628-61-0x0000000000000000-mapping.dmp
    Download
  • memory/672-60-0x0000000000000000-mapping.dmp
    Download
  • memory/804-62-0x0000000000000000-mapping.dmp
    Download
  • memory/868-64-0x0000000000000000-mapping.dmp
    Download
  • memory/888-57-0x0000000000400000-0x000000000067C000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/888-73-0x0000000000400000-0x000000000067C000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/904-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1160-65-0x0000000000000000-mapping.dmp
    Download
  • memory/1496-54-0x00000000761F1000-0x00000000761F3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1496-58-0x0000000000400000-0x000000000067C000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/1556-63-0x0000000000000000-mapping.dmp
    Download