General

  • Target

    f6e4e507c58b29c405b98d90f85fe673a56743a8d7a1bd1f371a8d491000cb73

  • Size

    239KB

  • Sample

    230923-11y97scd64

  • MD5

    adcc66edac3435337462e6dfe62b572e

  • SHA1

    f5ef299eab18ed07fca463d0619ef2d80f274b1d

  • SHA256

    f6e4e507c58b29c405b98d90f85fe673a56743a8d7a1bd1f371a8d491000cb73

  • SHA512

    dd3d63579aa97389351bb05eb6ec21ded86d9304c33ad88b54ab615e0092801b8f7befa9f5f07f81bd80fda342f503c08c24f7e569b50e8c9f8e4aa8374745ac

  • SSDEEP

    6144:ySV46fuYXChoQTjlFgLuCY1dRuAOMAcZ3EOdw8y0:yhYzXChdTbv1buTczw8y

Malware Config

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

      f6e4e507c58b29c405b98d90f85fe673a56743a8d7a1bd1f371a8d491000cb73

    • Size

      239KB

    • MD5

      adcc66edac3435337462e6dfe62b572e

    • SHA1

      f5ef299eab18ed07fca463d0619ef2d80f274b1d

    • SHA256

      f6e4e507c58b29c405b98d90f85fe673a56743a8d7a1bd1f371a8d491000cb73

    • SHA512

      dd3d63579aa97389351bb05eb6ec21ded86d9304c33ad88b54ab615e0092801b8f7befa9f5f07f81bd80fda342f503c08c24f7e569b50e8c9f8e4aa8374745ac

    • SSDEEP

      6144:ySV46fuYXChoQTjlFgLuCY1dRuAOMAcZ3EOdw8y0:yhYzXChdTbv1buTczw8y

    • Detect Fabookie payload

    • Detect rhadamanthys stealer shellcode

    • Fabookie

      Fabookie is facebook account info stealer.

    • 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.

    • XMRig Miner payload

    • 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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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 Matrix ATT&CK v13

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

6
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks