General

  • Target

    b635f70a21338a7036becb783f4470a4.bin

  • Size

    155KB

  • Sample

    231121-c8gs5abf79

  • MD5

    0fe9347f00b3e5c5afd62daebc55ad89

  • SHA1

    0b4a5257b0a472bba75ee21f97056de896cd317a

  • SHA256

    8ff1d63150faa08135fc6a1fff75d31046e01d03a9f258c9b1c24d2439626839

  • SHA512

    3cb7133e09f46cd9e14987fff3e4a4d8e1b377dc46dfcc346fc119a0188347e565df1d710e1bf9ff47a46ec4e44f84da29ecc01f321c0bb757e3ee43d7432588

  • SSDEEP

    3072:p61Q4bv64/In+fOHSyaLoCtpV8FjMgOEXV8jmyb+kQP8dNYZE:Ezbv64/m+fjVVO86yb6INYZE

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://onualituyrs.org/

http://sumagulituyo.org/

http://snukerukeutit.org/

http://lightseinsteniki.org/

http://liuliuoumumy.org/

http://stualialuyastrelia.net/

http://kumbuyartyty.net/

http://criogetikfenbut.org/

http://tonimiuyaytre.org/

http://tyiuiunuewqy.org/

http://dpav.cc/tmp/

http://lrproduct.ru/tmp/

http://kggcp.com/tmp/

http://talesofpirates.net/tmp/

http://pirateking.online/tmp/

http://piratia.pw/tmp/

http://go-piratia.ru/tmp/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://zexeq.com/lancer/get.php

Attributes
  • extension

    .iicc

  • offline_id

    MI4io8cIlhyYsGaDxoKsbpWzfIe5lGPE0dYtrht1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://zexeq.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-Y6UIMfI736 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0826ASdw

rsa_pubkey.plain

Extracted

Family

redline

Botnet

LogsDiller Cloud (Bot: @logsdillabot)

C2

194.49.94.142:41292

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      c25d4b735cc97ae902bf3699eaff4cd99e405da72467769ffb004d1a98ba8eaa.exe

    • Size

      257KB

    • MD5

      b635f70a21338a7036becb783f4470a4

    • SHA1

      fd59e26d2cae275cb314bf51d2f24fa15a0a54ec

    • SHA256

      c25d4b735cc97ae902bf3699eaff4cd99e405da72467769ffb004d1a98ba8eaa

    • SHA512

      0fd18cd73f9eff0400ccc6f9e1a39a180f75312832058f40b7630f717489779d672baa6c1c1087ef0d5c2a25947dfdbdf39ead54757d6f1b7664a16ec689e514

    • SSDEEP

      3072:1PbwQrXEOFklbi95RY+yYWrqDy/3NQVaM+vineXfcQCfv2XRB5K7ovbDhXx:FHEOCbA5REYUI7V3+yHQCfv25KM

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

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

    • Glupteba payload

    • 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

    • Windows security bypass

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Modifies boot configuration data using bcdedit

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

4
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

4
T1112

Virtualization/Sandbox Evasion

1
T1497

File and Directory Permissions Modification

1
T1222

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks