Overview

overview

10

Static

static

SKM__C2019...df.exe

windows7_x64

10

SKM__C2019...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    103s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    05-07-2022 12:08

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General

  • Target

    SKM__C20192910887888001990.pdf.exe

  • Size

    784KB

  • MD5

    8ef332f81f60d6968e437d35a75dae6e

  • SHA1

    565e59b710d44812bf44c4fc19862ed48840018f

  • SHA256

    fce6ce86fa20dcf48e5e041be3ab03df99f4e42f0b8d3f1082608c101ca4378f

  • SHA512

    b73e9b96e0775e9eb3b4303e57d8f8c61781a5cd9c4e13b950574a1a020b784ee8c196748c279b29e3882eb704c0bf021f1b8f8bef13106e2112a6740bc1c961

Score
10/10
snakekeyloggercollectionkeyloggerspywarestealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5468731092:AAGGNQWBVRhX622u6xp1moMhaunIGtXuIxg/sendMessage?chat_id=1639214896

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

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

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SKM__C20192910887888001990.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\SKM__C20192910887888001990.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Users\Admin\AppData\Local\Temp\SKM__C20192910887888001990.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SKM__C20192910887888001990.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SKM__C20192910887888001990.pdf.exe.log
    Filesize

    1KB

    MD5

    fc57dcb1a143324278cf61d88f8c67ad

    SHA1

    807d546b4296091d11a8df6a11157a5f12dd7fd5

    SHA256

    a75686eed807c36b056311dddc898582fd4063135fc5728d2bdd3c6e1f5ab688

    SHA512

    33ac55a68ac8371bf00af55e38455e886dc6aa681388622a55bf4473b1f4eda4d75a8211ea61df288ccdb26e838785da08094a7f1aac878da6ccd2e573f3bcb8

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  • memory/4068-130-0x00000000008D0000-0x000000000099A000-memory.dmp
    Filesize

    808KB

    Download
  • memory/4068-131-0x00000000058D0000-0x0000000005E74000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4068-132-0x00000000053C0000-0x0000000005452000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4068-133-0x0000000005340000-0x000000000534A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4068-134-0x00000000090F0000-0x000000000918C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4068-135-0x0000000009430000-0x0000000009496000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4304-136-0x0000000000000000-mapping.dmp
    Download
  • memory/4304-137-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

    Download
  • memory/4304-139-0x0000000006C20000-0x0000000006DE2000-memory.dmp
    Filesize

    1.8MB

    Download