Analysis

  • max time kernel
    91s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    04-07-2022 10:32

General

  • Target

    82333a581887b69a67e85e98f80a40af27f774b10999fe92d202f4e36f5e1b57.exe

  • Size

    579KB

  • MD5

    087c76678dc2e340364a57194aa808ec

  • SHA1

    8ab9b005110c41be5c3c23b81f7702300c7f3e13

  • SHA256

    82333a581887b69a67e85e98f80a40af27f774b10999fe92d202f4e36f5e1b57

  • SHA512

    3682f04a4581427b1cd6e6fcd5bbf65cbc6c8a3b323e6913202429e76261f3d0e41825af6dbdc45254746c472a2143f279185851854f74d6bd362870961e03ce

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5125489580:AAG9rJipU-Qp9bVmgyzvimlz5gpATRgg5qo/sendMessage?chat_id=5149913163

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82333a581887b69a67e85e98f80a40af27f774b10999fe92d202f4e36f5e1b57.exe
    "C:\Users\Admin\AppData\Local\Temp\82333a581887b69a67e85e98f80a40af27f774b10999fe92d202f4e36f5e1b57.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Users\Admin\AppData\Local\Temp\82333a581887b69a67e85e98f80a40af27f774b10999fe92d202f4e36f5e1b57.exe
      "C:\Users\Admin\AppData\Local\Temp\82333a581887b69a67e85e98f80a40af27f774b10999fe92d202f4e36f5e1b57.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3388

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\82333a581887b69a67e85e98f80a40af27f774b10999fe92d202f4e36f5e1b57.exe.log
    Filesize

    1KB

    MD5

    fc57dcb1a143324278cf61d88f8c67ad

    SHA1

    807d546b4296091d11a8df6a11157a5f12dd7fd5

    SHA256

    a75686eed807c36b056311dddc898582fd4063135fc5728d2bdd3c6e1f5ab688

    SHA512

    33ac55a68ac8371bf00af55e38455e886dc6aa681388622a55bf4473b1f4eda4d75a8211ea61df288ccdb26e838785da08094a7f1aac878da6ccd2e573f3bcb8

  • memory/3388-136-0x0000000000000000-mapping.dmp
  • memory/3388-137-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/3388-139-0x0000000006220000-0x00000000063E2000-memory.dmp
    Filesize

    1.8MB

  • memory/3928-130-0x0000000000490000-0x0000000000526000-memory.dmp
    Filesize

    600KB

  • memory/3928-131-0x0000000005590000-0x0000000005B34000-memory.dmp
    Filesize

    5.6MB

  • memory/3928-132-0x0000000004F20000-0x0000000004FB2000-memory.dmp
    Filesize

    584KB

  • memory/3928-133-0x0000000004EE0000-0x0000000004EEA000-memory.dmp
    Filesize

    40KB

  • memory/3928-134-0x0000000008BD0000-0x0000000008C6C000-memory.dmp
    Filesize

    624KB

  • memory/3928-135-0x0000000008CE0000-0x0000000008D46000-memory.dmp
    Filesize

    408KB