General

  • Target

    46b904fd9193a6d8c143ac915c4bce05c2cf24821b65177d9bacd903c0ae2a50

  • Size

    239KB

  • Sample

    230923-1nep2acc85

  • MD5

    5275a106bcf205adf1b666f8cb0b4d89

  • SHA1

    958297d93d3149dd55ab516e4bf6efeb4d5b1630

  • SHA256

    46b904fd9193a6d8c143ac915c4bce05c2cf24821b65177d9bacd903c0ae2a50

  • SHA512

    351422b8228dd635ba17381e9d25185e062c3e882e52d8eadc6f79da38675629e211fd221b09692d894af5dd3badd54452552544ea66cb0ec0dd18af49b16d58

  • SSDEEP

    6144:Pc46fuYXChoQTjlFgLuCY1dRuAOJGyHzrw8y0:PFYzXChdTbv1buFw8y

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

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

      46b904fd9193a6d8c143ac915c4bce05c2cf24821b65177d9bacd903c0ae2a50

    • Size

      239KB

    • MD5

      5275a106bcf205adf1b666f8cb0b4d89

    • SHA1

      958297d93d3149dd55ab516e4bf6efeb4d5b1630

    • SHA256

      46b904fd9193a6d8c143ac915c4bce05c2cf24821b65177d9bacd903c0ae2a50

    • SHA512

      351422b8228dd635ba17381e9d25185e062c3e882e52d8eadc6f79da38675629e211fd221b09692d894af5dd3badd54452552544ea66cb0ec0dd18af49b16d58

    • SSDEEP

      6144:Pc46fuYXChoQTjlFgLuCY1dRuAOJGyHzrw8y0:PFYzXChdTbv1buFw8y

    • Detect Fabookie payload

    • Detect rhadamanthys stealer shellcode

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • 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)

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scripting

1
T1064

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Scripting

1
T1064

Modify Registry

1
T1112

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

Impact

Inhibit System Recovery

2
T1490

Tasks