General

  • Target

    2761d2a32a11165c9a11d43af68f6e1e03fc7280e157cd4ea81c8df147d3fef1

  • Size

    924KB

  • Sample

    230924-a3jpesbb8s

  • MD5

    274482e3446da07968d13a8c862d3c87

  • SHA1

    36a134ed7ead4003a62eab6c6b086f55624cc6bf

  • SHA256

    2761d2a32a11165c9a11d43af68f6e1e03fc7280e157cd4ea81c8df147d3fef1

  • SHA512

    7811ef9b613fe147de2ef855291d57c74f9577f2633d45de295a8562bcc2f6b493cec5a64c31d4de7b1908779097472c1d1ecf5c93d066352e0bcd4a2f6b76d5

  • SSDEEP

    24576:xyJQcyWV7DJB4nLFPM9ppEjzD8Kd6f18r:kJQTWV7DJYG9TEjz4Kcf

Malware Config

Extracted

Family

redline

Botnet

nanya

C2

77.91.124.82:19071

Attributes
  • auth_value

    640aa5afe54f566d8795f0dc723f8b52

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      2761d2a32a11165c9a11d43af68f6e1e03fc7280e157cd4ea81c8df147d3fef1

    • Size

      924KB

    • MD5

      274482e3446da07968d13a8c862d3c87

    • SHA1

      36a134ed7ead4003a62eab6c6b086f55624cc6bf

    • SHA256

      2761d2a32a11165c9a11d43af68f6e1e03fc7280e157cd4ea81c8df147d3fef1

    • SHA512

      7811ef9b613fe147de2ef855291d57c74f9577f2633d45de295a8562bcc2f6b493cec5a64c31d4de7b1908779097472c1d1ecf5c93d066352e0bcd4a2f6b76d5

    • SSDEEP

      24576:xyJQcyWV7DJB4nLFPM9ppEjzD8Kd6f18r:kJQTWV7DJYG9TEjz4Kcf

    • Detect Fabookie payload

    • Detect rhadamanthys stealer shellcode

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • RedLine

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

    • RedLine payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

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

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • 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.

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks