General

  • Target

    b9b688c7aca29602989082e1feb2fea0.exe

  • Size

    904KB

  • Sample

    220811-qp34xahhg9

  • MD5

    b9b688c7aca29602989082e1feb2fea0

  • SHA1

    7d1b7977f5d304c30be7fd8bc7194844ed59a2ef

  • SHA256

    9a62e6ee0e71139a8e68a6092c27deb32077a27980c767a44cd5138ffcdca837

  • SHA512

    1c44d96f539a62128c745dce7be761d01ecd7b11f4b40bee4e8bd28a9ae2e7af994642b1c53b8efdb94557df6255bf351e5f9fd964d2873225cc23f8c8d234c8

Malware Config

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:34589

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

Botnet

@tag12312341

C2

62.204.41.144:14096

Attributes
  • auth_value

    71466795417275fac01979e57016e277

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

RuXaRR_GG

C2

insttaller.com:40915

Attributes
  • auth_value

    4a733ff307847db3ee220c11d113a305

Targets

    • Target

      b9b688c7aca29602989082e1feb2fea0.exe

    • Size

      904KB

    • MD5

      b9b688c7aca29602989082e1feb2fea0

    • SHA1

      7d1b7977f5d304c30be7fd8bc7194844ed59a2ef

    • SHA256

      9a62e6ee0e71139a8e68a6092c27deb32077a27980c767a44cd5138ffcdca837

    • SHA512

      1c44d96f539a62128c745dce7be761d01ecd7b11f4b40bee4e8bd28a9ae2e7af994642b1c53b8efdb94557df6255bf351e5f9fd964d2873225cc23f8c8d234c8

    • 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