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Analysis

  • max time kernel
    120s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/09/2024, 01:25

General

  • Target

    c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03.exe

  • Size

    540KB

  • MD5

    b461fdd20f2a143a18842ce8d5ba78e3

  • SHA1

    6e32dd9e169e43451414f6e70f843a733420d9e1

  • SHA256

    c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03

  • SHA512

    8538b35af84c9c876ef15a79625ee56ea6b82c48d401e87ff64860c2e03649d9d72b49347359609d3f547544d5bb0eb80b504956fa9a4031de43dcb3704c7657

  • SSDEEP

    12288:j+aTOytzsHemt2RTwIHDz3eyuPDdMk8bQb8o:ri4oHt2RTw0NuBM3I8

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03.exe
    "C:\Users\Admin\AppData\Local\Temp\c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • 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\c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2708
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vaNejyuqDAc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2720
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vaNejyuqDAc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF75A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2824
    • C:\Users\Admin\AppData\Local\Temp\c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03.exe
      "C:\Users\Admin\AppData\Local\Temp\c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF75A.tmp

    Filesize

    1KB

    MD5

    133f5aaf322f0cc88e5bdd8ffb8c7aaf

    SHA1

    89dc698b0f92efe817ba40ef59a2dda2b711042d

    SHA256

    b41313951672255b58ca713c1015f1f23b2cb0fa52498397463958e2298de580

    SHA512

    ab3a8920fa805af23d6516d729040d3a976bc04b51648e1a5b95e4ab7218095a46600c4a3c4ee225bb6c3cca2c64a0b643ea1107f90032daf59714174d0bb2d8

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\H0FMRIZXW6FS390B020U.temp

    Filesize

    7KB

    MD5

    1ce7811a4a8f880ca584ad48ae13ec58

    SHA1

    d6e9d5c85773e2bd4727e14627f8d1d63cad0763

    SHA256

    57291326801c86ed2ae064484ca0eec47f9dda17c3dc5bae58df9c0303083187

    SHA512

    6556223cc86ea6e826c072acd28a0730b0d3a91f46f7fe13112b6d7b9ead9734b7877b371b168ea4770907240c93a86f8a918e9412c5b97dd5f5a263f0a53b56

  • memory/2380-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2380-31-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2380-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-6-0x0000000005260000-0x00000000052C8000-memory.dmp

    Filesize

    416KB

  • memory/2380-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-1-0x0000000000FD0000-0x000000000105E000-memory.dmp

    Filesize

    568KB

  • memory/2380-3-0x0000000000480000-0x0000000000492000-memory.dmp

    Filesize

    72KB

  • memory/2640-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-28-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2640-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB