General

  • Target

    0cabd94f0a906814f15908d2349fddb421d3e15d4879f8cd993c7c518d954ddd.doc

  • Size

    10KB

  • Sample

    230220-yenkgadh9v

  • MD5

    73eb1fe347f4570fa1fbcbd6b5130f54

  • SHA1

    dc5df0f94c44ad73c16df705f042a88c21f641cc

  • SHA256

    0cabd94f0a906814f15908d2349fddb421d3e15d4879f8cd993c7c518d954ddd

  • SHA512

    2cf93df5e0cf20037629f5ff99f0969031ac09aa12f1e3e2361f9b2b7852023228fea71684d137e721856bc844aebe210370c2bcc8b801452820fdb3f405a175

  • SSDEEP

    192:ScIMmtP0xfUW70vG/b3kgOi4OLO7qus+1pReDnc37FSR:SPX+si10ni4OnyeDnMJ2

Malware Config

Extracted

Rule
Microsoft Office WebSettings Relationship
C2

http://WEEEERRRRRRRRRRRPPPOOOOSSSSSSSOOOOOPPWEEEEEEEOOOOOOOCCVVVVVVVVOVVVVVVVVVVVVVVVVOOOOOO@1755848856/O__O.DOC

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    citalmet.com.ar
  • Port:
    587
  • Username:
    log@citalmet.com.ar
  • Password:
    payment@123

Targets

    • Target

      0cabd94f0a906814f15908d2349fddb421d3e15d4879f8cd993c7c518d954ddd.doc

    • Size

      10KB

    • MD5

      73eb1fe347f4570fa1fbcbd6b5130f54

    • SHA1

      dc5df0f94c44ad73c16df705f042a88c21f641cc

    • SHA256

      0cabd94f0a906814f15908d2349fddb421d3e15d4879f8cd993c7c518d954ddd

    • SHA512

      2cf93df5e0cf20037629f5ff99f0969031ac09aa12f1e3e2361f9b2b7852023228fea71684d137e721856bc844aebe210370c2bcc8b801452820fdb3f405a175

    • SSDEEP

      192:ScIMmtP0xfUW70vG/b3kgOi4OLO7qus+1pReDnc37FSR:SPX+si10ni4OnyeDnMJ2

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Abuses OpenXML format to download file from external location

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Exploitation for Client Execution

1
T1203

Defense Evasion

Scripting

1
T1064

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