General

  • Target

    9f6b69057e19a7fd08aab0b2df861a65337207dcfac2d6fbd0d1c0a2b75670e7

  • Size

    819KB

  • Sample

    220811-wzbejaagak

  • MD5

    5af7ada88775e3949887dd12e0234bb5

  • SHA1

    9fbc382c3b57ab8074664447070f54884882762a

  • SHA256

    5f844573ae53f1461a1fe9fe878d6166074ddde2ed86a3878fdaf8f1e1e81b2f

  • SHA512

    a83040335fd65ebba93931c0ba2e2ba6bc6bb00d72f32dfb922b019ad4f13602da016df22027c686a08df39dfff4694e1c7243c2485d479658297b63e88e5c28

Malware Config

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:34589

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

Botnet

4

C2

31.41.244.134:11643

Attributes
  • auth_value

    a516b2d034ecd34338f12b50347fbd92

Extracted

Family

redline

Botnet

5076357887

C2

195.54.170.157:16525

Attributes
  • auth_value

    0dfaff60271d374d0c206d19883e06f3

Extracted

Family

redline

Botnet

@tag12312341

C2

62.204.41.144:14096

Attributes
  • auth_value

    71466795417275fac01979e57016e277

Extracted

Family

redline

Botnet

RuXaRR_GG

C2

insttaller.com:40915

Attributes
  • auth_value

    4a733ff307847db3ee220c11d113a305

Targets

    • Target

      9f6b69057e19a7fd08aab0b2df861a65337207dcfac2d6fbd0d1c0a2b75670e7

    • Size

      904KB

    • MD5

      84167d4529f6298e0400499c55d8c7d6

    • SHA1

      f3fb00cffd40e1fc93f1370c2611d94e6a308a39

    • SHA256

      9f6b69057e19a7fd08aab0b2df861a65337207dcfac2d6fbd0d1c0a2b75670e7

    • SHA512

      526bd7ecd2c584ef0aab7fa5315b6e9ab666e495827e4394d322729c411f1e9f58747dc85ce45c57fd8b43e2d6373897bb83f9beed0b0830899ad78687ad5c17

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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 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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks