General

  • Target

    6c740f0be7c96c2a490c7ac082fdb5da7b3c494872be7a3bef0a61ef292b2452

  • Size

    939KB

  • Sample

    230923-zgzwyscb24

  • MD5

    b816ead817e18761d05adb4554361278

  • SHA1

    05862b0a68178ced9e37a26a09af1039a0eee5ad

  • SHA256

    6c740f0be7c96c2a490c7ac082fdb5da7b3c494872be7a3bef0a61ef292b2452

  • SHA512

    2fd7aa39ec0b6ea1fce11dc796487e68c6ad819dddac92c08868665bcafa2aaaa0a70986cbafbdd7ef3076780eb487ccb5a443e569b1955e958c47d7e46f2466

  • SSDEEP

    24576:YyPqLTNDJphmNB3NDS/sXj8PtiU9Z8pXC:fSHNDJmfpSEGb8B

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

Targets

    • Target

      6c740f0be7c96c2a490c7ac082fdb5da7b3c494872be7a3bef0a61ef292b2452

    • Size

      939KB

    • MD5

      b816ead817e18761d05adb4554361278

    • SHA1

      05862b0a68178ced9e37a26a09af1039a0eee5ad

    • SHA256

      6c740f0be7c96c2a490c7ac082fdb5da7b3c494872be7a3bef0a61ef292b2452

    • SHA512

      2fd7aa39ec0b6ea1fce11dc796487e68c6ad819dddac92c08868665bcafa2aaaa0a70986cbafbdd7ef3076780eb487ccb5a443e569b1955e958c47d7e46f2466

    • SSDEEP

      24576:YyPqLTNDJphmNB3NDS/sXj8PtiU9Z8pXC:fSHNDJmfpSEGb8B

    • Detect Fabookie payload

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks