General

  • Target

    045A93EE4AA61FD3BB2C7F706085A249B9664876B7A2E.exe

  • Size

    5.6MB

  • Sample

    220310-w53qzadahm

  • MD5

    e7dac1680784996bdbd5f97595c351b4

  • SHA1

    98c265f9877abfb8c90c84f05ad0ca871bb38524

  • SHA256

    045a93ee4aa61fd3bb2c7f706085a249b9664876b7a2e5d8282129ac6df15be2

  • SHA512

    43b9c2bb29c497c566c5758fda9f3c1bfd59288f03d63ff0b8dd884c072cdd7bddd4c3b4345e846b36ca7f30ef64b2fabf2f688e7959366572f6b133bd75b915

Malware Config

Extracted

Family

socelars

C2

http://www.kvubgc.com/

Extracted

Family

redline

Botnet

v2user1

C2

88.99.35.59:63020

Attributes
  • auth_value

    0cd1ad671efa88aa6b92a97334b72134

Extracted

Family

redline

Botnet

media1422

C2

92.255.57.115:59426

Attributes
  • auth_value

    3c2514d93ec6cbb5f4ebead8b1b21099

Extracted

Family

redline

Botnet

ww

C2

193.106.191.67:44400

Attributes
  • auth_value

    5a1b28ccd05953f5c3f99729c12427cc

Extracted

Family

smokeloader

Version

2020

C2

http://nahbleiben.at/upload/

http://noblecreativeaz.com/upload/

http://tvqaq.cn/upload/

http://recmaster.ru/upload/

http://sovels.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

2

C2

193.203.203.82:23108

Attributes
  • auth_value

    52b37b8702d697840527fac8a6ac247d

Targets

    • Target

      045A93EE4AA61FD3BB2C7F706085A249B9664876B7A2E.exe

    • Size

      5.6MB

    • MD5

      e7dac1680784996bdbd5f97595c351b4

    • SHA1

      98c265f9877abfb8c90c84f05ad0ca871bb38524

    • SHA256

      045a93ee4aa61fd3bb2c7f706085a249b9664876b7a2e5d8282129ac6df15be2

    • SHA512

      43b9c2bb29c497c566c5758fda9f3c1bfd59288f03d63ff0b8dd884c072cdd7bddd4c3b4345e846b36ca7f30ef64b2fabf2f688e7959366572f6b133bd75b915

    • Modifies Windows Defender Real-time Protection settings

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • 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

    • suricata: ET MALWARE Danabot Key Exchange Request

      suricata: ET MALWARE Danabot Key Exchange Request

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

      suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • OnlyLogger Payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks