General

  • Target

    tmp

  • Size

    893KB

  • Sample

    220810-skwkdabgcr

  • MD5

    da7f06ed721db4dd18cc123c483aff24

  • SHA1

    89d63c8642c3f86478aa4c9f3f9fe40ce45d92e8

  • SHA256

    0aae4f734962cba43eda599dbff153929a18ce45e814176b5e37998858c70515

  • SHA512

    9d72514ed180d2890d4e9ccf551062a78f5a2653624e9b6057fef03b250b18ef8216f6ed5ba7abdc4727c93881c6c3d1e0bbedda3a2ae06ae9d76dbfc8c878a7

Malware Config

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:18728

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

raccoon

Botnet

f0c8034c83808635df0d9d8726d1bfd6

C2

http://45.95.11.158/

rc4.plain

Targets

    • Target

      tmp

    • Size

      893KB

    • MD5

      da7f06ed721db4dd18cc123c483aff24

    • SHA1

      89d63c8642c3f86478aa4c9f3f9fe40ce45d92e8

    • SHA256

      0aae4f734962cba43eda599dbff153929a18ce45e814176b5e37998858c70515

    • SHA512

      9d72514ed180d2890d4e9ccf551062a78f5a2653624e9b6057fef03b250b18ef8216f6ed5ba7abdc4727c93881c6c3d1e0bbedda3a2ae06ae9d76dbfc8c878a7

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer payload

    • RedLine

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

    • RedLine payload

    • Executes dropped EXE

    • Registers COM server for autorun

    • Sets file execution options in registry

    • 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

3
T1060

Defense Evasion

Modify Registry

3
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