General

  • Target

    7c957ac3f3f660dc5f5143a72a29d0de.exe

  • Size

    239KB

  • Sample

    230923-1w7qsacd32

  • MD5

    7c957ac3f3f660dc5f5143a72a29d0de

  • SHA1

    1118c67874d6100788f5e00f74c3f827122bd3af

  • SHA256

    6be57566a72c81a9336d39b56627c14aa6a04e604954b71a84e83125171a742c

  • SHA512

    0343a14df1dd682828180977cb3bc210a41d40bbf78655c8b707376ddf9590f532c9fb9c70e53e3e05409e875bbb1ab7929ee22a4213c0803be5a99794cd4fbb

  • SSDEEP

    6144:GO46fuYXChoQTjlFgLuCY1dRuAOghCEmCsw8y0:GbYzXChdTbv1bu4CLw8y

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

      7c957ac3f3f660dc5f5143a72a29d0de.exe

    • Size

      239KB

    • MD5

      7c957ac3f3f660dc5f5143a72a29d0de

    • SHA1

      1118c67874d6100788f5e00f74c3f827122bd3af

    • SHA256

      6be57566a72c81a9336d39b56627c14aa6a04e604954b71a84e83125171a742c

    • SHA512

      0343a14df1dd682828180977cb3bc210a41d40bbf78655c8b707376ddf9590f532c9fb9c70e53e3e05409e875bbb1ab7929ee22a4213c0803be5a99794cd4fbb

    • SSDEEP

      6144:GO46fuYXChoQTjlFgLuCY1dRuAOghCEmCsw8y0:GbYzXChdTbv1bu4CLw8y

    • Detect Fabookie payload

    • Detect rhadamanthys stealer shellcode

    • Detected google phishing page

    • 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)

    • 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

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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