General

  • Target

    b27a5ca0a0933895ea686376353fbe6981b8b1af825e3b887f4ca4544d6d6c91

  • Size

    346KB

  • Sample

    220127-k41dnsaef3

  • MD5

    f81083e9f58ce4916e696520ea4f6254

  • SHA1

    a1d687bb752af5421309e86d56983a237b0768a5

  • SHA256

    b27a5ca0a0933895ea686376353fbe6981b8b1af825e3b887f4ca4544d6d6c91

  • SHA512

    2824c759ec73d4f49a579014ecd1fac14957a1806c54118045f4fcd81757ff10fa1fd02068313ec1c657c091a45800faecf6b8738e76ca46bd63b6a26feb5cc7

Malware Config

Extracted

Family

redline

C2

212.192.246.94:58230

Targets

    • Target

      b27a5ca0a0933895ea686376353fbe6981b8b1af825e3b887f4ca4544d6d6c91

    • Size

      346KB

    • MD5

      f81083e9f58ce4916e696520ea4f6254

    • SHA1

      a1d687bb752af5421309e86d56983a237b0768a5

    • SHA256

      b27a5ca0a0933895ea686376353fbe6981b8b1af825e3b887f4ca4544d6d6c91

    • SHA512

      2824c759ec73d4f49a579014ecd1fac14957a1806c54118045f4fcd81757ff10fa1fd02068313ec1c657c091a45800faecf6b8738e76ca46bd63b6a26feb5cc7

    • RedLine

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

    • RedLine Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks