General

  • Target

    a8c9ed2dfd40b3eceef23f2283004bfa913999f3f698622c4b4bd44bea47bc52

  • Size

    310KB

  • Sample

    230315-grjnlsbh22

  • MD5

    226674568537aa6b22036f10360a8fe5

  • SHA1

    1ec373188892b4e658c9f3229d82d57ac2aef1c9

  • SHA256

    a8c9ed2dfd40b3eceef23f2283004bfa913999f3f698622c4b4bd44bea47bc52

  • SHA512

    30b01d67dbe8b90277f2d0a476ec20995918fa0d049647105ab4ac617c4019ceed60f5c489d3f118430ea1dc94fcdd5994c3b226054a1c608c0d6c99d9a10d4c

  • SSDEEP

    3072:qWWqLucgLesQEclPLu/02mcEOYaituzOIvRLlEuGApaPFNlf5OzPn2ek:gquL4rYTmcA7tuzOIvR5l07QPnR

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://potunulit.org/

http://hutnilior.net/

http://bulimu55t.net/

http://soryytlic4.net/

http://novanosa5org.org/

http://nuljjjnuli.org/

http://tolilolihul.net/

http://somatoka51hub.net/

http://hujukui3.net/

http://bukubuka1.net/

http://golilopaster.org/

http://newzelannd66.org/

http://otriluyttn.org/

http://vispik.at/tmp/

http://ekcentric.com/tmp/

http://hbeat.ru/tmp/

http://mordo.ru/tmp/

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

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

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

Attributes
  • extension

    .qapo

  • offline_id

    VrBq0iLIRHjQLgVRLsN1WK8yFkTCRDCCvPkwnHt1

  • payload_url

    http://uaery.top/dl/build2.exe

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

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

Extracted

Family

vidar

Version

3

Botnet

d6ef050131e7d5a1d595c51613328971

C2

https://t.me/zaskullz

https://steamcommunity.com/profiles/76561199486572327

http://135.181.87.234:80

Attributes
  • profile_id_v2

    d6ef050131e7d5a1d595c51613328971

Extracted

Family

smokeloader

Botnet

sprg

Targets

    • Target

      a8c9ed2dfd40b3eceef23f2283004bfa913999f3f698622c4b4bd44bea47bc52

    • Size

      310KB

    • MD5

      226674568537aa6b22036f10360a8fe5

    • SHA1

      1ec373188892b4e658c9f3229d82d57ac2aef1c9

    • SHA256

      a8c9ed2dfd40b3eceef23f2283004bfa913999f3f698622c4b4bd44bea47bc52

    • SHA512

      30b01d67dbe8b90277f2d0a476ec20995918fa0d049647105ab4ac617c4019ceed60f5c489d3f118430ea1dc94fcdd5994c3b226054a1c608c0d6c99d9a10d4c

    • SSDEEP

      3072:qWWqLucgLesQEclPLu/02mcEOYaituzOIvRLlEuGApaPFNlf5OzPn2ek:gquL4rYTmcA7tuzOIvR5l07QPnR

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detected Djvu ransomware

    • Detects PseudoManuscrypt payload

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • PseudoManuscrypt

      PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks