General

  • Target

    file

  • Size

    232KB

  • Sample

    221113-seaeysee91

  • MD5

    7b33b63bf2ee044adea84fec13b603b2

  • SHA1

    3f1be9575126a2683b10f079ec835f09504a567f

  • SHA256

    47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

  • SHA512

    378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

  • SSDEEP

    6144:4yfLbDpCpjAnCXJMpxXrEr2eTxJ/qsaXG:4yfXVWACXJMpxQCyCsY

Malware Config

Extracted

Family

redline

Botnet

boy

C2

77.73.134.241:4691

Attributes
  • auth_value

    a91fa8cc2cfaefc42a23c03faef44bd3

Targets

    • Target

      file

    • Size

      232KB

    • MD5

      7b33b63bf2ee044adea84fec13b603b2

    • SHA1

      3f1be9575126a2683b10f079ec835f09504a567f

    • SHA256

      47d56f7eec9f28d92c470a130f777a5a2b8a62e1510fef353b90472734382e36

    • SHA512

      378585602792e6dac3069939d3051cf52047f48c662789dbf085b64478b756e89258f3de96755e701a054a8b20943c39d9e0040ce1b2c4b81209fc2174a6c885

    • SSDEEP

      6144:4yfLbDpCpjAnCXJMpxXrEr2eTxJ/qsaXG:4yfXVWACXJMpxQCyCsY

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detect Amadey credential stealer module

    • RedLine

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

    • RedLine payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks