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Analysis

  • max time kernel
    118s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/03/2025, 10:00

General

  • Target

    SvdvD2oMxskKpFA.exe

  • Size

    2.8MB

  • MD5

    37449ec900f5315bd22abe4e4d8861ad

  • SHA1

    584d45cfeb259c3b89cb7ed0734f0334f2432d59

  • SHA256

    e737aeca763418b072714874598a77466634cc2f8d1133c5ca57ad0feae8ffb5

  • SHA512

    41b857432e067b9f9f6e63c6b70c1d5d2388f2b7d40b8053ed3dcdc4b156fba1b0cdef62593b30e38fa542fe5514d129e2a614cc21833bd895dc73602c30684f

  • SSDEEP

    24576:G5tXUp5hTtlRfyhaaJRjbEHi0zScrqkx03XssHftjQVM+PJxbHXDPvP/wYUIgH1b:Q3JtgecJ03X/x+M+rfwYUIgVY7vD

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    injector.exe

  • pastebin_url

    https://pastebin.com/raw/DSFaHH8B

Signatures

  • Detect Xworm Payload 3 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SvdvD2oMxskKpFA.exe
    "C:\Users\Admin\AppData\Local\Temp\SvdvD2oMxskKpFA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Users\Admin\AppData\Local\Temp\SvdvD2oMxskKpFA.exe
      "C:\Users\Admin\AppData\Local\Temp\SvdvD2oMxskKpFA.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2016
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\SvdvD2oMxskKpFA.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1520
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SvdvD2oMxskKpFA.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3108
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\injector.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3264
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'injector.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3424
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "injector" /tr "C:\Users\Admin\injector.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3624
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {28493C83-7BFD-4310-A177-DBD1D49F2196} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3972
    • C:\Users\Admin\injector.exe
      C:\Users\Admin\injector.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4044
      • C:\Users\Admin\injector.exe
        "C:\Users\Admin\injector.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4304
    • C:\Users\Admin\injector.exe
      C:\Users\Admin\injector.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5268
      • C:\Users\Admin\injector.exe
        "C:\Users\Admin\injector.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    7KB

    MD5

    8c321ee5f45395fc5e9c35b1e90f3ebd

    SHA1

    ff7f6d37a2e2660faf33c6cdc8613759b286109a

    SHA256

    1d16c3f7d46cbefcae5bb2f2d8c14f0cce2055bd1b46838877cacad5ba993e34

    SHA512

    517501ac438062c71ce1685f771815f972662755d1785aa5d7598ac07d97614039ee1006e4ea358c6385778eec9596942396a5d5b06bd0f5cfbeb9e4f30c7add

  • \Users\Admin\injector.exe

    Filesize

    2.8MB

    MD5

    37449ec900f5315bd22abe4e4d8861ad

    SHA1

    584d45cfeb259c3b89cb7ed0734f0334f2432d59

    SHA256

    e737aeca763418b072714874598a77466634cc2f8d1133c5ca57ad0feae8ffb5

    SHA512

    41b857432e067b9f9f6e63c6b70c1d5d2388f2b7d40b8053ed3dcdc4b156fba1b0cdef62593b30e38fa542fe5514d129e2a614cc21833bd895dc73602c30684f

  • memory/2016-18074-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2016-18102-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2016-18101-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2016-18100-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2016-18075-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/2684-53-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-17-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-61-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-59-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-55-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-0-0x000000007491E000-0x000000007491F000-memory.dmp

    Filesize

    4KB

  • memory/2684-51-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-49-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-47-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-45-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-43-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-41-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-39-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-35-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-33-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-31-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-29-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-27-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-25-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-21-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-19-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-63-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-15-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-13-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-11-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-7-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-5-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-4-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-3-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-18056-0x000000007491E000-0x000000007491F000-memory.dmp

    Filesize

    4KB

  • memory/2684-18057-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-65-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-67-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-18073-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-57-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-37-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-23-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-9-0x0000000000C80000-0x0000000000D69000-memory.dmp

    Filesize

    932KB

  • memory/2684-2-0x0000000000C80000-0x0000000000D70000-memory.dmp

    Filesize

    960KB

  • memory/2684-1-0x0000000000DB0000-0x000000000107A000-memory.dmp

    Filesize

    2.8MB

  • memory/4044-18105-0x00000000002C0000-0x000000000058A000-memory.dmp

    Filesize

    2.8MB

  • memory/4304-36176-0x00000000000C0000-0x00000000000D8000-memory.dmp

    Filesize

    96KB

  • memory/5268-36179-0x0000000000140000-0x000000000040A000-memory.dmp

    Filesize

    2.8MB

  • memory/5468-54250-0x0000000000080000-0x0000000000098000-memory.dmp

    Filesize

    96KB