General

  • Target

    file.exe

  • Size

    232KB

  • Sample

    221113-rlpb1sbc99

  • MD5

    edaf85a9223eef62cd469340e67ea232

  • SHA1

    543871c5ba5dc19556ca70b96219defb516e6e01

  • SHA256

    b5c97d5c7e5cd6b7151f042f9f5a3ac5c85246e4adfc0330d7c3d131d498aa28

  • SHA512

    54f6ba668b0b6391429bd465ac1396db14065ff1c5726103eaff796cf6cc75b44273a009f6c7605947f193b12f5f243f86054452127e88c3c8f617ce0b26a77c

  • SSDEEP

    6144:mCL5XDpDGcRZgIFABdbTot9+nzXZ678/Sn8I:mCpV/RZgICotYLk7CS

Malware Config

Extracted

Family

redline

Botnet

boy

C2

77.73.134.241:4691

Attributes
  • auth_value

    a91fa8cc2cfaefc42a23c03faef44bd3

Targets

    • Target

      file.exe

    • Size

      232KB

    • MD5

      edaf85a9223eef62cd469340e67ea232

    • SHA1

      543871c5ba5dc19556ca70b96219defb516e6e01

    • SHA256

      b5c97d5c7e5cd6b7151f042f9f5a3ac5c85246e4adfc0330d7c3d131d498aa28

    • SHA512

      54f6ba668b0b6391429bd465ac1396db14065ff1c5726103eaff796cf6cc75b44273a009f6c7605947f193b12f5f243f86054452127e88c3c8f617ce0b26a77c

    • SSDEEP

      6144:mCL5XDpDGcRZgIFABdbTot9+nzXZ678/Sn8I:mCpV/RZgICotYLk7CS

    • 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