General

  • Target

    672ad2d52af206cc63cebe2c801181d3b406aae5891cc57bdaafd5eea3d61fe6.zip

  • Size

    392KB

  • Sample

    250117-fl4adstmdq

  • MD5

    209c2bed74ce311f3de2c3040f5cbd8b

  • SHA1

    676dbe2bbf178ca27210c8a2e37aa9652f4e17d5

  • SHA256

    672ad2d52af206cc63cebe2c801181d3b406aae5891cc57bdaafd5eea3d61fe6

  • SHA512

    44b5207ce1a79c220ed014b7803ba4f3b89b0aa81f2232e152da9e5c8004c164a281d8806843a10590e3c55b902ef5e3f359bc117b80b11d052fe60324709324

  • SSDEEP

    6144:PiyQGVN3t3bmwUUoI7a+OjFjjGFEduVVZ4vELL2VzCGb49pRYCEheDmDUKUQWCCJ:P/HfRx7aNFXuhTL2I70SmpXCqry

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

remcos

Botnet

fuck

C2

republicadominica2025.ip-ddns.com:30202

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    rostad

  • mouse_option

    false

  • mutex

    iwebfiewbfihbewlfkm-WH4782

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

quasar

Version

1.3.0.0

Botnet

School

C2

gamwtonxristo.ddns.net:1717

Mutex

QSR_MUTEX_M3Vba1npfJg3Ale25C

Attributes
  • encryption_key

    VtojWKM7f1XyCVdB41wL

  • install_name

    comctl32.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Defender Startup Scan

  • subdirectory

    Windows Defender

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

0.tcp.in.ngrok.io:14296

193.161.193.99:20466

Mutex

cc827307-beb6-456e-b5dd-e28a204ebd45

Attributes
  • encryption_key

    93486CAE624EBAD6626412E4A7DC6221B139DAA8

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family

xworm

Version

5.0

C2

137.184.74.73:5000

Mutex

XukSoXxFQFDQJQvq

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    System.exe

aes.plain

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

2.tcp.eu.ngrok.io:19695

Mutex

gonq3XlXWgiz

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      New Text Document mod.exe

    • Size

      761KB

    • MD5

      c6040234ee8eaedbe618632818c3b1b3

    • SHA1

      68115f8c3394c782aa6ba663ac78695d2b80bf75

    • SHA256

      bb459869e5ef6d6dd6f0329080d7cb12542c4b37163ae2cd782620adcd7d55a0

    • SHA512

      a3d8c8c6a990797a99887e0e07a01b1e2fe0a4e53df7294fed18a1e856d56a7762e0ab4a8e4689de411acb4fd29b8d7e247fbc696d855a9976a760d33ab60bcf

    • SSDEEP

      12288:mMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9mWej:mnsJ39LyjbJkQFMhmC+6GD9I

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Xworm Payload

    • Modifies security service

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Suspicious Office macro

      Office document equipped with macros.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks