General

  • Target

    add1a061b92b24711d4f0dff818f1711ed357ca16da26d41418cf1a136fae6cf

  • Size

    281KB

  • Sample

    220901-qphszaebhr

  • MD5

    a6cbb656de48c769c0875d17ed596e6e

  • SHA1

    63f26cb9f0c260f209910f3f507a4601e5f0d4db

  • SHA256

    add1a061b92b24711d4f0dff818f1711ed357ca16da26d41418cf1a136fae6cf

  • SHA512

    f08e8bb92b850a43f1b74514c9d639d136abbee1f5088f8aaa9a89a5e6a9674b731fb427cfe408f450237d4f031240d92ea77c88fbbb82ddd1c951b44dfe5cf3

  • SSDEEP

    3072:1PBlorgLl8xt2XbQ3QVLoFWXOLN7/AeCelnCOIg4Jeb7:NLlI4MQVLoFEON/BCGIZg

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/lancer/get.php

Attributes
  • extension

    .qqkk

  • offline_id

    0MVuBxT6o3dUivEUdhCKPfN5ljxbYptbzrFZvst1

  • payload_url

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

    http://acacaca.org/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

socelars

C2

https://hueduy.s3.eu-west-1.amazonaws.com/dhfry901/

Extracted

Family

redline

Botnet

@forceddd_lzt

C2

5.182.36.101:31305

Attributes
  • auth_value

    91ffc3d776bc56b5c410d1adf5648512

Targets

    • Target

      add1a061b92b24711d4f0dff818f1711ed357ca16da26d41418cf1a136fae6cf

    • Size

      281KB

    • MD5

      a6cbb656de48c769c0875d17ed596e6e

    • SHA1

      63f26cb9f0c260f209910f3f507a4601e5f0d4db

    • SHA256

      add1a061b92b24711d4f0dff818f1711ed357ca16da26d41418cf1a136fae6cf

    • SHA512

      f08e8bb92b850a43f1b74514c9d639d136abbee1f5088f8aaa9a89a5e6a9674b731fb427cfe408f450237d4f031240d92ea77c88fbbb82ddd1c951b44dfe5cf3

    • SSDEEP

      3072:1PBlorgLl8xt2XbQ3QVLoFWXOLN7/AeCelnCOIg4Jeb7:NLlI4MQVLoFEON/BCGIZg

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • 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.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • 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.

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

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

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks