Overview

overview

10

Static

static

FINAL BL.pdf.exe

windows7_x64

10

FINAL BL.pdf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    133s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    06-07-2022 20:31

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General

  • Target

    FINAL BL.pdf.exe

  • Size

    422KB

  • MD5

    9a903c6a1df5616594b6d64f6860fe37

  • SHA1

    fad9c0dcce2c0be8617a016baa1bc8326a6c62f0

  • SHA256

    4e0576bfe816a475d0a0e38a9c7456f8742d12f0c5a44a2244900214c37ad7e4

  • SHA512

    e3b01982cadda9c864a0b68eef6955f632553bd1dc72a0e81191f26d1fd434544c81c02dfc925f856e178de776f3ef58840007fa77fbba9dad7bafbe13b3e419

Score
10/10
snakekeyloggerkeyloggerstealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1507062795:AAEBb0H5OYbp-dWwXk8ffQp0InjOhKxhpbU/sendMessage?chat_id=1663822858

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

    stealerkeyloggersnakekeylogger
  • Snake Keylogger Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FINAL BL.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FINAL BL.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SSHnkqdBlPISZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE1E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1272
    • C:\Users\Admin\AppData\Local\Temp\FINAL BL.pdf.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 1536
        3⤵
        • Program crash
        PID:2816
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4628 -ip 4628
    1⤵
      PID:3016

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FINAL BL.pdf.exe.log
      Filesize

      1KB

      MD5

      84e77a587d94307c0ac1357eb4d3d46f

      SHA1

      83cc900f9401f43d181207d64c5adba7a85edc1e

      SHA256

      e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

      SHA512

      aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpEE1E.tmp
      Filesize

      1KB

      MD5

      8fba6e8e95aae9f03865b7702f6de943

      SHA1

      5b01f04126d1f9e689628dcb4e3e61c3e600dcfb

      SHA256

      344c4dd12ede44a57269d93273f53e398c02c4aa13aaf815b10b0e9fcdc93807

      SHA512

      19cff4b5fc90c852f6d033574ebcbc2ad284273d8be8973486e2f786d7affb860109798b9d8ac4b2aa3700a22523d8b6e9bbe65459c68f944e7df277f3d1adc9

      Download Submit
    • memory/1272-135-0x0000000000000000-mapping.dmp
      Download
    • memory/3156-130-0x0000000000A20000-0x0000000000A90000-memory.dmp
      Filesize

      448KB

      Download
    • memory/3156-131-0x0000000005B70000-0x0000000006114000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/3156-132-0x0000000005470000-0x0000000005502000-memory.dmp
      Filesize

      584KB

      Download
    • memory/3156-133-0x0000000005510000-0x00000000055AC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/3156-134-0x0000000005420000-0x000000000542A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/4628-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4628-138-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

      Download