Analysis

  • max time kernel
    88s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 12:53

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.22893.1871.exe

  • Size

    1.0MB

  • MD5

    7ca92417363d4d097a154f647e3b27d7

  • SHA1

    c8321f40936b067b0d5ce7a00761b9444a0aadcf

  • SHA256

    6dd782b913078f4262454ad9e57424f755c4b961b311008e0f4603e44cfaafce

  • SHA512

    0fa982c9da9e4be98f415f87d43ab47a9a3790c3394db93b45614240fe5b422be5f76dcce4f5e864fafedc3860cc54d616203d27f161181b891f19e1c08e4ace

  • SSDEEP

    24576:sztjgh/awCSglIs8fvJXqI7RMLarGRl/S2Dz:szt8h/dpvfVn7RRG/t

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22893.1871.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22893.1871.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22893.1871.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:816
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qdwbABuGIK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qdwbABuGIK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp10B4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:972
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22893.1871.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22893.1871.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp10B4.tmp

    Filesize

    1KB

    MD5

    543a992caacc8b82f072326f82c6e2fd

    SHA1

    89efe2836ba639f91cf4111ef829b38c4c663cb6

    SHA256

    1f0319115fd3e140cc40b5516ab70c649d84c7f35b424f10c91cca18adf01303

    SHA512

    ffdccd1384ac2ce824e6dfe80043db4433e43c92314b89df0c3aa5fd63ad5b32061d89e892124c4914bc4e70e2a78c0fa195236b53be113daa39538a5b71814a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    19f80ffc2b42e7fadabbc523861f149a

    SHA1

    156be6ce078608e0ab19a19f4e07cbf1758d1bcf

    SHA256

    b668c53031710b215f60a5656a3e26315285c1e9cd785f4999091cb419962824

    SHA512

    da789b30cea8e5ed30b67f0e90f7316aa2e25bdf690a0689199c10e140f66132bf8095f78d96ed98c0aefed2f764f9b5150ad3a7fe606b28643ce5cf609ba8b0

  • memory/816-83-0x000000006EE70000-0x000000006F41B000-memory.dmp

    Filesize

    5.7MB

  • memory/816-80-0x000000006EE70000-0x000000006F41B000-memory.dmp

    Filesize

    5.7MB

  • memory/816-59-0x0000000000000000-mapping.dmp

  • memory/884-82-0x000000006EE70000-0x000000006F41B000-memory.dmp

    Filesize

    5.7MB

  • memory/884-81-0x000000006EE70000-0x000000006F41B000-memory.dmp

    Filesize

    5.7MB

  • memory/884-61-0x0000000000000000-mapping.dmp

  • memory/972-63-0x0000000000000000-mapping.dmp

  • memory/1720-66-0x0000000005C00000-0x0000000005C62000-memory.dmp

    Filesize

    392KB

  • memory/1720-58-0x0000000008000000-0x000000000809A000-memory.dmp

    Filesize

    616KB

  • memory/1720-55-0x0000000076391000-0x0000000076393000-memory.dmp

    Filesize

    8KB

  • memory/1720-56-0x0000000000530000-0x0000000000548000-memory.dmp

    Filesize

    96KB

  • memory/1720-54-0x0000000001140000-0x0000000001248000-memory.dmp

    Filesize

    1.0MB

  • memory/1720-57-0x0000000000550000-0x000000000055C000-memory.dmp

    Filesize

    48KB

  • memory/1824-70-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1824-74-0x000000000042064E-mapping.dmp

  • memory/1824-78-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1824-76-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1824-72-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1824-73-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1824-68-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1824-67-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB