General

  • Target

    IMG_07573_02125DOC.exe

  • Size

    97KB

  • Sample

    240626-bfhpaavdnd

  • MD5

    7adf47fa475c87dc326c4550cc51652b

  • SHA1

    702e5481925e109b219509d149752da4277ae682

  • SHA256

    c7c303880d0622218f747c835b76b1bfebcdf98cca263a7990b57f44d78d41ff

  • SHA512

    f7a6784b23758a87f8559418f04064181067e898be67e9468a7bc846eddd42e81918c90ec94684c58fcde51fb7f607854cb724fdf5ce1bfc1d35a77ec59c122d

  • SSDEEP

    1536:CLk8u2qHlllllllOdQlwEn+glllllllllllllllllll5xw5lL:KtYwiVxw5lL

Malware Config

Extracted

Family

snakekeylogger

Credentials

Targets

    • Target

      IMG_07573_02125DOC.exe

    • Size

      97KB

    • MD5

      7adf47fa475c87dc326c4550cc51652b

    • SHA1

      702e5481925e109b219509d149752da4277ae682

    • SHA256

      c7c303880d0622218f747c835b76b1bfebcdf98cca263a7990b57f44d78d41ff

    • SHA512

      f7a6784b23758a87f8559418f04064181067e898be67e9468a7bc846eddd42e81918c90ec94684c58fcde51fb7f607854cb724fdf5ce1bfc1d35a77ec59c122d

    • SSDEEP

      1536:CLk8u2qHlllllllOdQlwEn+glllllllllllllllllll5xw5lL:KtYwiVxw5lL

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Checks computer location settings

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

    • 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

    • Adds Run key to start application

    • 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 v13

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks