General

  • Target

    Bank Slip 2.doc

  • Size

    415KB

  • Sample

    240702-jk35sawglp

  • MD5

    ff06a87dd0550386be1f780d560f1877

  • SHA1

    69e95738ec635520a508f7424a759261e5032cb0

  • SHA256

    511c82313461b74fe24201d13dead6a280311d248062e09a465eb950502d1c18

  • SHA512

    60e39f9628edbcb5118d53a2887c8f4879260d1d480a6a25960d58366fef2ca248b7115b521ff7de57c61063c1c35da0ac318fc22ad472b38b0cf34ecfd2534c

  • SSDEEP

    6144:PGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuVhG+qMh9c:xe

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.artefes.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ArtEfes4765*+

Targets

    • Target

      Bank Slip 2.doc

    • Size

      415KB

    • MD5

      ff06a87dd0550386be1f780d560f1877

    • SHA1

      69e95738ec635520a508f7424a759261e5032cb0

    • SHA256

      511c82313461b74fe24201d13dead6a280311d248062e09a465eb950502d1c18

    • SHA512

      60e39f9628edbcb5118d53a2887c8f4879260d1d480a6a25960d58366fef2ca248b7115b521ff7de57c61063c1c35da0ac318fc22ad472b38b0cf34ecfd2534c

    • SSDEEP

      6144:PGuqGuqGuqGuqGuqGuqGuqGuqGuqGuqGuVhG+qMh9c:xe

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks