General

  • Target

    S98654567800.exe

  • Size

    170KB

  • Sample

    230610-l3rwksef33

  • MD5

    5f78f6a5f014afd112e936f3a6772b54

  • SHA1

    0b3b9a3e6c45e539bfcab23067584b63f0530c20

  • SHA256

    00bd5a737b4ef0194fe438d108ddfb902655eebc30810182a25f3468644d43bc

  • SHA512

    61f62116042e9206751d287af7decee6e05bb0f4b8d76dcfb060d110fd920a77d91d58f5b5bc3d5a9c0a6266cc6fe75a1f3c507c59dc57ac3be5aa360695cc0f

  • SSDEEP

    3072:VfY/TU9fE9PEtuCXwbqYTv19B5XzfQZzu9Ydxqadxw9pgybd+hnieUqf:ZYa6QXSfB9B5X7wzu9Y7rYjgyJmiG

Malware Config

Targets

    • Target

      S98654567800.exe

    • Size

      170KB

    • MD5

      5f78f6a5f014afd112e936f3a6772b54

    • SHA1

      0b3b9a3e6c45e539bfcab23067584b63f0530c20

    • SHA256

      00bd5a737b4ef0194fe438d108ddfb902655eebc30810182a25f3468644d43bc

    • SHA512

      61f62116042e9206751d287af7decee6e05bb0f4b8d76dcfb060d110fd920a77d91d58f5b5bc3d5a9c0a6266cc6fe75a1f3c507c59dc57ac3be5aa360695cc0f

    • SSDEEP

      3072:VfY/TU9fE9PEtuCXwbqYTv19B5XzfQZzu9Ydxqadxw9pgybd+hnieUqf:ZYa6QXSfB9B5X7wzu9Y7rYjgyJmiG

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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 v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks