General

  • Target

    e9f9c53c9b2235dc8cd9c02a441a54753b9de9ce58b1f38d045553926a00792a

  • Size

    239KB

  • Sample

    230923-1gbpsscc72

  • MD5

    34c8c8359c53a059acdaa6f2185bf2a7

  • SHA1

    a2742c3b89d7e5093e65497a70a67815cbc24886

  • SHA256

    e9f9c53c9b2235dc8cd9c02a441a54753b9de9ce58b1f38d045553926a00792a

  • SHA512

    6902ef019809c3accc292a1369a85c16e18c86f0a95ddde5fff8e64bc38f9016f740c5b4830eda9630fcc41d371228edcc57dae103137f279f83d985025ede87

  • SSDEEP

    6144:i246fuYXChoQTjlFgLuCY1dRuAOIlv1Xw8y0:iDYzXChdTbv1buYvVw8y

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

      e9f9c53c9b2235dc8cd9c02a441a54753b9de9ce58b1f38d045553926a00792a

    • Size

      239KB

    • MD5

      34c8c8359c53a059acdaa6f2185bf2a7

    • SHA1

      a2742c3b89d7e5093e65497a70a67815cbc24886

    • SHA256

      e9f9c53c9b2235dc8cd9c02a441a54753b9de9ce58b1f38d045553926a00792a

    • SHA512

      6902ef019809c3accc292a1369a85c16e18c86f0a95ddde5fff8e64bc38f9016f740c5b4830eda9630fcc41d371228edcc57dae103137f279f83d985025ede87

    • SSDEEP

      6144:i246fuYXChoQTjlFgLuCY1dRuAOIlv1Xw8y0:iDYzXChdTbv1buYvVw8y

    • 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

    • 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

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks