General

  • Target

    870cdf639a6dd069bac616b77b0cb1a7.bin

  • Size

    1.8MB

  • Sample

    240514-cx2zxsga32

  • MD5

    5957284d2caffe563757e64d89d8154c

  • SHA1

    d6d0488a77b5714d466d8bcc3429dc756be154e0

  • SHA256

    ea8797f6bf9eef153945b926ac7a1a82caae9eac7e20dbdbb3738f072fc80926

  • SHA512

    b495e042b200603b25678713cd3566f6a0a5a992905799e65ff5ab54d7343f221e9cbcd0f8ef26af269c9aa31eb3b434d7f063db04ae5523fb10956d5f81f6a7

  • SSDEEP

    49152:OXGBK6tLz5SYZL5Qa5GQT2BUNioNju7UsF4b500a2FRAY:OWN5n5QaJ2WjeUsFWHhr

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://5.42.96.7

Attributes
  • install_dir

    7af68cdb52

  • install_file

    axplons.exe

  • strings_key

    e2ce58e78f631ed97d01fe7b70e85d5e

  • url_paths

    /zamo7h/index.php

rc4.plain

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:26260

Targets

    • Target

      69ca3ddf71a6496576e5730364dc2f8bef8a54b78538fa4c1c38b9f64f19890b.exe

    • Size

      1.8MB

    • MD5

      870cdf639a6dd069bac616b77b0cb1a7

    • SHA1

      1f63671412b0638f6abaebfb35f16d03b5ba09e0

    • SHA256

      69ca3ddf71a6496576e5730364dc2f8bef8a54b78538fa4c1c38b9f64f19890b

    • SHA512

      a3752e2e49254adc4dcd6b6c055bb8e4d3df8bec0c5a971f82c1d410b8bcdabfb383b4bb06fe3b6e676362fc467a6595ba6f5ce1f7051ecc294a79a74885f903

    • SSDEEP

      49152:AHTytLPyy8Wz07dojIzrsKWTH5NqJrt67ERA:I4LP5RY7SjIzrsKsXmrt67Ee

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Windows security bypass

    • xmrig

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Modifies boot configuration data using bcdedit

    • XMRig Miner payload

    • 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

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks