General

  • Target

    New order_letter.Pdf.z

  • Size

    937KB

  • Sample

    230606-qhz4nsec81

  • MD5

    1c4cc85e63aef44062de90c698ad8b52

  • SHA1

    f9b5d00ca4442e8447089a8fe20f790f0fefdb7b

  • SHA256

    fac93de25c552a2dad517f0434b6a4f4929c3a914864b165efa173bc70e63621

  • SHA512

    ab9b155665aeb74eb0633538bd4eb74f5742de26ef4ad40f41930fab7912cc4e9ff21662d71b1d8e51c5156c600efdf87f4e47aa93c99469ea681a15b684f103

  • SSDEEP

    24576:G5Fo0gx3ZdNKkFpU68GDmFFmQytIAaXNWHxb20:EozxJdLpDYPQImM0

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6288005341:AAGRgYv2o5lUGc3tnZ9QIy4L5Vg9lraTrSs/sendMessage?chat_id=6121807451

Targets

    • Target

      New order_letter.exe

    • Size

      1.0MB

    • MD5

      67e420f5e4608735ca8b9bd040ce0ee2

    • SHA1

      1d2924461a44d72abf3f8c60503335a4408fb30b

    • SHA256

      b6e2c83fca7727bb38feb6e83228c4157155868ec1e088ccd8d61e15477d3ad0

    • SHA512

      8d15c60671923505b85ca21120b2dc7a0c07855bee85a51c4e6098d2271987d72eb395405e3b5fe520cdefa29f88b82c636364f952faffcad7ec3dda2f2438fc

    • SSDEEP

      24576:BEmFxUe2I9CPa23VRvCT033NUoGIF0z7VJO:WmFxUe2rPa23TCloGOGJ

    • 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 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

    • 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

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks