Resubmissions

04-04-2023 19:01

230404-xn7h9shd67 10

04-04-2023 17:14

230404-vsdewagh32 10

General

  • Target

    c1bfbef8ecc32f1df3a34eca416ceafe-sample.zip

  • Size

    1.6MB

  • Sample

    230404-vsdewagh32

  • MD5

    6ae8c80f1b536caf23d98d5e70c85b2d

  • SHA1

    4ddc793f92323dd45ae4e04661a9ba4dfcc571bd

  • SHA256

    bdec6f0bf7b4d3d3b78b6173b6c9fd053d80b86c43db8a9f2e7add084e4ecdc9

  • SHA512

    b2a851c2d7c7c290601a363f34ec2e1abaa10220a43a20062d574edff0baa0f0d393a6674cd5b244291ff43567058c264791b8a8a9e4e8e62357894dd4a76aa5

  • SSDEEP

    49152:se9tAZSd5+LRXm9S7Ylrgza3beaK6ZR8ok:seLAZSduo9SMl+qeamZ

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6241220793:AAFx6XFOw5z4Op7twC8hAqYib_mTz67Z4Ak/sendMessage?chat_id=2054148913

Targets

    • Target

      qbOdWSNNuqquo2E.exe

    • Size

      2.0MB

    • MD5

      40c32c129e09d3eb618e27eb168aaadf

    • SHA1

      6a35a5fa5a53ceba217c66562477e954aec8eb2b

    • SHA256

      e09eaaa707261756f322c8d5b12af0a09c575ffbdd7bf19b895cab4982b7f68a

    • SHA512

      72ba764a542f0f61b0375a37e646d7bbdb78ca2b1aabedd33a42472e5a8099211311d699161ba51f03db6a46481556644542f991e7ef443eec2721d093b7da48

    • SSDEEP

      49152:6nsHyjtk2MYC5GDDMZEf4F0fVGJ2LxsL9ve049:6nsmtk2a1igSA2F0DU

    • 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.

    • 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.

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks