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Overview

overview

10

Static

static

10

tmp.exe

windows7-x64

10

tmp.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2023, 12:44

Sharing

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General

  • Target

    tmp.exe

  • Size

    166KB

  • MD5

    37035aa02a65b1b869898cb611d37686

  • SHA1

    bd9d62bac74de751f593df27d7ce4885d2bedf01

  • SHA256

    4c01cc3dd96c524054207f6b37a334c62549857f28c0286cc8dfc30b6d388e34

  • SHA512

    a7056d998dd6205518209529d71ec3221c36651474050ffe67c1356f72bc230cac055279dc13dba5e3458979a0e394499ef8cb20b02a357ccea02f1104e27655

  • SSDEEP

    3072:bOzPcXa+ND32eioGHlz8rnAE0HCXh0edLvnoYMjMqqDvFfCZjx:bOTcK+NrRioGHlz8rz0i/ozQqqDvFfk1

Score
10/10
netwirebotnetpersistenceratstealer

Malware Config

Extracted

Family

netwire

C2

needforrat.hopto.org:3360

needforrat.hopto.org:7777
Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    qRhguWXi

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    true

  • startup_name

    Crack_Windows

  • use_mutex

    true

Signatures

  • NetWire RAT payload 6 IoCs
    rat
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

    botnetstealernetwire
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Users\Admin\AppData\Roaming\Install\Host.exe
      "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:3460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    166KB

    MD5

    37035aa02a65b1b869898cb611d37686

    SHA1

    bd9d62bac74de751f593df27d7ce4885d2bedf01

    SHA256

    4c01cc3dd96c524054207f6b37a334c62549857f28c0286cc8dfc30b6d388e34

    SHA512

    a7056d998dd6205518209529d71ec3221c36651474050ffe67c1356f72bc230cac055279dc13dba5e3458979a0e394499ef8cb20b02a357ccea02f1104e27655

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    166KB

    MD5

    37035aa02a65b1b869898cb611d37686

    SHA1

    bd9d62bac74de751f593df27d7ce4885d2bedf01

    SHA256

    4c01cc3dd96c524054207f6b37a334c62549857f28c0286cc8dfc30b6d388e34

    SHA512

    a7056d998dd6205518209529d71ec3221c36651474050ffe67c1356f72bc230cac055279dc13dba5e3458979a0e394499ef8cb20b02a357ccea02f1104e27655

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    166KB

    MD5

    37035aa02a65b1b869898cb611d37686

    SHA1

    bd9d62bac74de751f593df27d7ce4885d2bedf01

    SHA256

    4c01cc3dd96c524054207f6b37a334c62549857f28c0286cc8dfc30b6d388e34

    SHA512

    a7056d998dd6205518209529d71ec3221c36651474050ffe67c1356f72bc230cac055279dc13dba5e3458979a0e394499ef8cb20b02a357ccea02f1104e27655

    Download Submit

  • memory/3460-9-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

    Download

  • memory/3460-16-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

    Download

  • memory/3908-8-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

    Download