General

  • Target

    FedEx 772584418730.doc

  • Size

    405KB

  • Sample

    210118-hbnpgxajt2

  • MD5

    4bb9d9ebae28b25d4175de0833236f18

  • SHA1

    bb9301e242fd7bccb4f575b9c68393f464768df0

  • SHA256

    cf6ff5724ebdc0f3d2e4667c8d82029cfe8c501ea127d44a9f01a767c2831ef2

  • SHA512

    0caa3159400850efd33474a49688c24a188effb38175694c1bce104e98d342f40877ff30dda2a4f10cf3d31a924b463f52f6cfc52da4a924ee4b6f147658eb7f

Malware Config

Targets

    • Target

      FedEx 772584418730.doc

    • Size

      405KB

    • MD5

      4bb9d9ebae28b25d4175de0833236f18

    • SHA1

      bb9301e242fd7bccb4f575b9c68393f464768df0

    • SHA256

      cf6ff5724ebdc0f3d2e4667c8d82029cfe8c501ea127d44a9f01a767c2831ef2

    • SHA512

      0caa3159400850efd33474a49688c24a188effb38175694c1bce104e98d342f40877ff30dda2a4f10cf3d31a924b463f52f6cfc52da4a924ee4b6f147658eb7f

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Blocklisted process makes network request

    • 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.

    • 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

Execution

Exploitation for Client Execution

1
T1203

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks