Analysis

  • max time kernel
    55s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2022 17:27

General

  • Target

    Quotation request.exe

  • Size

    1.2MB

  • MD5

    f7b84f72cfee5a3486f47c4c636a5003

  • SHA1

    bf12a5ba5471bd9279ed954a0ca3b5a50833612f

  • SHA256

    40ae0e7f01289e0f5accc90728b71a6af1d5633a22bb2628d3a916afa61e098b

  • SHA512

    3228bd4340041cb5a1daad80d1acd7f1de55205687f81f379033ebb99eb33bb00ec9cb87bca2e90a74fc1b6eb2805eeac7cd56b60b4f0ed53f733646f2051d29

  • SSDEEP

    24576:6YnbvFKhLuyyjc6+kUigNCty77YsDnR7GZoC3jedRpuWS:/cLuyyjcgggtsVDbw

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Disables Task Manager via registry modification
  • 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation request.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation request.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EhiYOvT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD460.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2020
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1208

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD460.tmp

    Filesize

    1KB

    MD5

    b69d85620e832f170d847e9ef99025fc

    SHA1

    71d101c8b6edbb81c1be2750495da40c6f42e315

    SHA256

    5318ce9d3827191070f5d08b9674d506b7ef1bc58f917b67fddcd5a94f1e86b9

    SHA512

    9ca4aa70274c2132af97fb8712a90479a802a117a49b9c1ec93e497bfefa7321500a2b1593fed5380c154c663f7e96d12b327a72bd5d1e7f0ee01c80d5e18789

  • memory/900-57-0x0000000005B90000-0x0000000005C3A000-memory.dmp

    Filesize

    680KB

  • memory/900-55-0x0000000075C61000-0x0000000075C63000-memory.dmp

    Filesize

    8KB

  • memory/900-54-0x0000000000C90000-0x0000000000DC0000-memory.dmp

    Filesize

    1.2MB

  • memory/900-58-0x0000000000980000-0x00000000009E2000-memory.dmp

    Filesize

    392KB

  • memory/900-56-0x0000000000650000-0x0000000000670000-memory.dmp

    Filesize

    128KB

  • memory/1208-68-0x000000000042042E-mapping.dmp

  • memory/1208-61-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1208-62-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1208-64-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1208-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1208-67-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1208-70-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1208-72-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2020-59-0x0000000000000000-mapping.dmp