General

  • Target

    sept_23092022_receipt.exe

  • Size

    985KB

  • Sample

    220923-hs5g5shddn

  • MD5

    59837d6d3d40cc5cc56012c3fd8badfb

  • SHA1

    d2d44df58a557922d8a31928943f71adb29ac8da

  • SHA256

    3b8dcf7047a2d9440e4809359bec667476f816e5ca27e3fed3c072c8131b77be

  • SHA512

    072c3bf406814d5aa20f55b9aa417da4a81146cda43198c1eac12d721ad9742c85707a8bdd99b9ba05f2b6729a74dd8fa6d475f70ad85c00f1009d2c1ce56f9d

  • SSDEEP

    12288:GhLuyAHHubjhcmz8JjI/h5PSJZF27x12U5eHKinZsrJPrF3AyiEAmD:GhLuyyOvamzejmtYZsvzDUZC99Ayi

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5633295549:AAH9lzzrf8Ep6i2K5UISY92DSUSu9k_w37Y/sendMessage?chat_id=5671926480

Targets

    • Target

      sept_23092022_receipt.exe

    • Size

      985KB

    • MD5

      59837d6d3d40cc5cc56012c3fd8badfb

    • SHA1

      d2d44df58a557922d8a31928943f71adb29ac8da

    • SHA256

      3b8dcf7047a2d9440e4809359bec667476f816e5ca27e3fed3c072c8131b77be

    • SHA512

      072c3bf406814d5aa20f55b9aa417da4a81146cda43198c1eac12d721ad9742c85707a8bdd99b9ba05f2b6729a74dd8fa6d475f70ad85c00f1009d2c1ce56f9d

    • SSDEEP

      12288:GhLuyAHHubjhcmz8JjI/h5PSJZF27x12U5eHKinZsrJPrF3AyiEAmD:GhLuyyOvamzejmtYZsvzDUZC99Ayi

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks