Analysis

  • max time kernel
    143s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06-03-2023 03:01

General

  • Target

    4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591.exe

  • Size

    251KB

  • MD5

    d27acd5a54e38e537ff1f3b3f44aa412

  • SHA1

    d1ef4583d60eeb82f7c65f5e685ac59e5a72b799

  • SHA256

    4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591

  • SHA512

    13a8a68a262b98a80e44221d698ff66f2fea7ffbccc93cdeaaf595d3373eea5e5f7fde3eb172bbfbbe8d124961aa3d84355bf4dc07d466643308b8e7e7d68ce6

  • SSDEEP

    3072:XfY/TU9fE9PEtuWbcShR2O1LqH2Z6Rz3VCrsvUq/cCEY1Degk15kB+Mou4/8LDjI:PYa6mtR272S3Vd/ciCg9igLYQhgEKOIh

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6112875567:AAELAi1dztc_XKpDFEg1a1IG01250o2gxXs/sendMessage?chat_id=5687933537

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591.exe
    "C:\Users\Admin\AppData\Local\Temp\4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:820
    • C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe
      "C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe" C:\Users\Admin\AppData\Local\Temp\zezrmxnjemh.atb
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:948
      • C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe
        "C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\gzfibbsbh.inl

    Filesize

    225KB

    MD5

    e61dd48f7750693ff8ff25d8aaea3ec3

    SHA1

    477aa46bf3b2be326fbd59976e2dec714de2ccf1

    SHA256

    3f68ccde740fcb0da3b99b906d9e450eebd950988955dd84ae522c73b72c38e1

    SHA512

    6bf2e1432eabfcbb57d730b37f37eba229ed097b5678a03e92497d13db62d28a881f343542c29dc31eda31b1290faaad3cabdbfb291ef221f500ab2166c87317

  • C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe

    Filesize

    51KB

    MD5

    0aba9157ed0571dd1640b89556ab28eb

    SHA1

    702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

    SHA256

    1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

    SHA512

    9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

  • C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe

    Filesize

    51KB

    MD5

    0aba9157ed0571dd1640b89556ab28eb

    SHA1

    702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

    SHA256

    1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

    SHA512

    9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

  • C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe

    Filesize

    51KB

    MD5

    0aba9157ed0571dd1640b89556ab28eb

    SHA1

    702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

    SHA256

    1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

    SHA512

    9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

  • C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe

    Filesize

    51KB

    MD5

    0aba9157ed0571dd1640b89556ab28eb

    SHA1

    702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

    SHA256

    1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

    SHA512

    9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

  • C:\Users\Admin\AppData\Local\Temp\zezrmxnjemh.atb

    Filesize

    5KB

    MD5

    76a2ae9ac905d7c86808b9b6b723fc7b

    SHA1

    e251a552340fdd833026d0309609dadafbbf6d86

    SHA256

    21959fa60059a56e75a78da2aee45baae7e57a2330e8b2d61ba98e6398bbe25e

    SHA512

    1420c531d59193ad4849b4fea61ba924b9b6e84748873f4e6ea08db7c3eb05b1ad570f6721f875ccb73ab41369f294f1039b6074126ee8a32930f83a274dc3ea

  • \Users\Admin\AppData\Local\Temp\kcqyqniig.exe

    Filesize

    51KB

    MD5

    0aba9157ed0571dd1640b89556ab28eb

    SHA1

    702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

    SHA256

    1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

    SHA512

    9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

  • \Users\Admin\AppData\Local\Temp\kcqyqniig.exe

    Filesize

    51KB

    MD5

    0aba9157ed0571dd1640b89556ab28eb

    SHA1

    702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

    SHA256

    1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

    SHA512

    9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

  • \Users\Admin\AppData\Local\Temp\kcqyqniig.exe

    Filesize

    51KB

    MD5

    0aba9157ed0571dd1640b89556ab28eb

    SHA1

    702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

    SHA256

    1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

    SHA512

    9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

  • memory/1492-68-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1492-72-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1492-73-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1492-74-0x00000000003E0000-0x0000000000406000-memory.dmp

    Filesize

    152KB

  • memory/1492-75-0x0000000004640000-0x0000000004680000-memory.dmp

    Filesize

    256KB