Analysis

  • max time kernel
    117s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    05/08/2023, 09:53

General

  • Target

    d8a5317c8c4e740557a01574cfebf71f.exe

  • Size

    753KB

  • MD5

    d8a5317c8c4e740557a01574cfebf71f

  • SHA1

    129fe4f6b63412c22f728d7fec1da8cb69c9e0a5

  • SHA256

    c92819a5b69535e455893801e3ceabc29f5659a213ff93d4891b36c8af740059

  • SHA512

    4e52469c027f9a8a70cae3565bc7868b720c9249ba022db5eb4f636bb770e905e78c758792bae3174f499eb1b9ba09f359b0fa54fab811db0fa05cdd8a781916

  • SSDEEP

    12288:FfNMRf0t5/T4U0T2yhANAv3g5uFDztzT90QQpO:FfyRc3bQ22A2vjtzTiXg

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • 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.

  • 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).

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8a5317c8c4e740557a01574cfebf71f.exe
    "C:\Users\Admin\AppData\Local\Temp\d8a5317c8c4e740557a01574cfebf71f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oefbENy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oefbENy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5CD0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2988
    • C:\Users\Admin\AppData\Local\Temp\d8a5317c8c4e740557a01574cfebf71f.exe
      "C:\Users\Admin\AppData\Local\Temp\d8a5317c8c4e740557a01574cfebf71f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp5CD0.tmp

          Filesize

          1KB

          MD5

          a09c26b52d208d4978e25e7ab911ce31

          SHA1

          26b2d98b4b87b6b22de634899bb1214fb0c02375

          SHA256

          f6878e7213ad770c458a2eee72c0e09082d2a2338fc5abb5c1d70b8ef8271fae

          SHA512

          f2163f2202b2aa1500700bfc3de1d33f5b4db164d89049bc655ff604098a83e387b8d164ff4fd29af7fada99dc3498f14a3061ad2e5f0bf09774a38194eaa9ec

        • memory/1616-82-0x0000000000940000-0x0000000000980000-memory.dmp

          Filesize

          256KB

        • memory/1616-88-0x00000000746A0000-0x0000000074D8E000-memory.dmp

          Filesize

          6.9MB

        • memory/1616-70-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1616-79-0x00000000746A0000-0x0000000074D8E000-memory.dmp

          Filesize

          6.9MB

        • memory/1616-77-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1616-75-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1616-73-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1616-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1616-89-0x0000000000940000-0x0000000000980000-memory.dmp

          Filesize

          256KB

        • memory/1616-67-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1616-68-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1616-69-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/2568-60-0x0000000000510000-0x000000000051A000-memory.dmp

          Filesize

          40KB

        • memory/2568-56-0x0000000000490000-0x00000000004A2000-memory.dmp

          Filesize

          72KB

        • memory/2568-53-0x00000000746A0000-0x0000000074D8E000-memory.dmp

          Filesize

          6.9MB

        • memory/2568-59-0x0000000000500000-0x0000000000508000-memory.dmp

          Filesize

          32KB

        • memory/2568-58-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

          Filesize

          256KB

        • memory/2568-78-0x00000000746A0000-0x0000000074D8E000-memory.dmp

          Filesize

          6.9MB

        • memory/2568-57-0x00000000746A0000-0x0000000074D8E000-memory.dmp

          Filesize

          6.9MB

        • memory/2568-61-0x0000000005AB0000-0x0000000005B10000-memory.dmp

          Filesize

          384KB

        • memory/2568-54-0x0000000001040000-0x0000000001102000-memory.dmp

          Filesize

          776KB

        • memory/2568-55-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

          Filesize

          256KB

        • memory/2788-85-0x00000000025C0000-0x0000000002600000-memory.dmp

          Filesize

          256KB

        • memory/2788-86-0x00000000025C0000-0x0000000002600000-memory.dmp

          Filesize

          256KB

        • memory/2788-87-0x0000000070450000-0x00000000709FB000-memory.dmp

          Filesize

          5.7MB

        • memory/2788-84-0x0000000070450000-0x00000000709FB000-memory.dmp

          Filesize

          5.7MB

        • memory/2788-83-0x0000000070450000-0x00000000709FB000-memory.dmp

          Filesize

          5.7MB