General

  • Target

    file.exe

  • Size

    252KB

  • Sample

    221112-he7eksea88

  • MD5

    ef6fdf60898bf801731a6b15ac6bf672

  • SHA1

    79900b5b87a6b370da2c67cb647191071372386f

  • SHA256

    e79a12bbcce3a9f36f669dc599cd4ee45ec1f65512dafddff4ed8b698f7d3697

  • SHA512

    00a850279209d8de0669b7a028739304e328f9648236749101c0cfdf423da6d1f536cd5908cad73bdf37112bc8d678e1ff7b51a577685587f25429fda77285a7

  • SSDEEP

    6144:UVxUZQQLCy58PLVuJiEvzml5hnnQZ1bahPtrC:UVxUZzWy58PL6iEbG5hnnSbaj2

Malware Config

Extracted

Family

redline

Botnet

boy

C2

77.73.134.241:4691

Attributes
  • auth_value

    a91fa8cc2cfaefc42a23c03faef44bd3

Extracted

Family

raccoon

Botnet

d8f44b07b06da3a90ad87ebc9249718c

C2

http://79.137.205.87/

rc4.plain

Targets

    • Target

      file.exe

    • Size

      252KB

    • MD5

      ef6fdf60898bf801731a6b15ac6bf672

    • SHA1

      79900b5b87a6b370da2c67cb647191071372386f

    • SHA256

      e79a12bbcce3a9f36f669dc599cd4ee45ec1f65512dafddff4ed8b698f7d3697

    • SHA512

      00a850279209d8de0669b7a028739304e328f9648236749101c0cfdf423da6d1f536cd5908cad73bdf37112bc8d678e1ff7b51a577685587f25429fda77285a7

    • SSDEEP

      6144:UVxUZQQLCy58PLVuJiEvzml5hnnQZ1bahPtrC:UVxUZzWy58PL6iEbG5hnnSbaj2

    • Amadey

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

    • Detect Amadey credential stealer module

    • Raccoon

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

    • 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

    • 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.

    • Suspicious use of SetThreadContext

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