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Overview

overview

10

Static

static

10

Server.exe

windows7-x64

8

Server.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    30s
  • max time network
    21s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 23:11

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General

  • Target

    Server.exe

  • Size

    93KB

  • MD5

    25443271763910e38d74296d29f48071

  • SHA1

    269a7dd9ff1d0076a65630715f5bd4600a33bb0d

  • SHA256

    3bf2449588aaea6f7b7f984af24bd889ee438bb33d9331f5990ef9b6184695e8

  • SHA512

    185d233076e4727bf1471f579e2fb56725e30a1f1d4b1f70c8da03d389f41d879eba3731f6daedb34edb8c073df90ca3c0df19362f7b174c72bd6a1251d67aea

  • SSDEEP

    768:IY3zetD9O/pBcxYsbae6GIXb9pDX2b98PL0OXLeuXxrjEtCdnl2pi1Rz4Rk3QsG7:jenOx6baIa9RPj00ljEwzGi1dDoDvgS

Score
8/10
defense_evasiondiscoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Disables Task Manager via registry modification
    defense_evasion
  • Modifies Windows Firewall 2 TTPs 8 IoCs
    defense_evasion
  • Checks computer location settings 2 TTPs 16 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Drops startup file 27 IoCs
  • Executes dropped EXE 16 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 24 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 25 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:5028
    • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3840
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Checks computer location settings
        • Drops startup file
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3820
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:2552
        • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3028
          • C:\Users\Admin\AppData\Local\Temp\server.exe
            "C:\Users\Admin\AppData\Local\Temp\server.exe"
            5⤵
            • Checks computer location settings
            • Drops startup file
            • Executes dropped EXE
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:484
            • C:\Windows\SysWOW64\netsh.exe
              netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
              6⤵
              • Modifies Windows Firewall
              • Event Triggered Execution: Netsh Helper DLL
              • System Location Discovery: System Language Discovery
              PID:956
            • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1608
              • C:\Users\Admin\AppData\Local\Temp\server.exe
                "C:\Users\Admin\AppData\Local\Temp\server.exe"
                7⤵
                • Checks computer location settings
                • Drops startup file
                • Executes dropped EXE
                • Drops file in System32 directory
                • Drops file in Program Files directory
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:3272
                • C:\Windows\SysWOW64\netsh.exe
                  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
                  8⤵
                  • Modifies Windows Firewall
                  • Event Triggered Execution: Netsh Helper DLL
                  • System Location Discovery: System Language Discovery
                  PID:1408
                • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                  "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                  8⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:4992
                  • C:\Users\Admin\AppData\Local\Temp\server.exe
                    "C:\Users\Admin\AppData\Local\Temp\server.exe"
                    9⤵
                    • Checks computer location settings
                    • Drops startup file
                    • Executes dropped EXE
                    • Drops file in System32 directory
                    • Drops file in Program Files directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:32
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
                      10⤵
                      • Modifies Windows Firewall
                      • Event Triggered Execution: Netsh Helper DLL
                      • System Location Discovery: System Language Discovery
                      PID:2960
                    • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                      "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                      10⤵
                      • Checks computer location settings
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4260
                      • C:\Users\Admin\AppData\Local\Temp\server.exe
                        "C:\Users\Admin\AppData\Local\Temp\server.exe"
                        11⤵
                        • Checks computer location settings
                        • Drops startup file
                        • Executes dropped EXE
                        • Drops file in System32 directory
                        • Drops file in Program Files directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:2056
                        • C:\Windows\SysWOW64\netsh.exe
                          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
                          12⤵
                          • Modifies Windows Firewall
                          • Event Triggered Execution: Netsh Helper DLL
                          • System Location Discovery: System Language Discovery
                          PID:3120
                        • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                          "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                          12⤵
                          • Checks computer location settings
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:3328
                          • C:\Users\Admin\AppData\Local\Temp\server.exe
                            "C:\Users\Admin\AppData\Local\Temp\server.exe"
                            13⤵
                            • Checks computer location settings
                            • Drops startup file
                            • Executes dropped EXE
                            • Drops file in System32 directory
                            • Drops file in Program Files directory
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:2688
                            • C:\Windows\SysWOW64\netsh.exe
                              netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
                              14⤵
                              • Modifies Windows Firewall
                              • Event Triggered Execution: Netsh Helper DLL
                              • System Location Discovery: System Language Discovery
                              PID:4704
                            • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                              "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                              14⤵
                              • Checks computer location settings
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of WriteProcessMemory
                              PID:3312
                              • C:\Users\Admin\AppData\Local\Temp\server.exe
                                "C:\Users\Admin\AppData\Local\Temp\server.exe"
                                15⤵
                                • Checks computer location settings
                                • Drops startup file
                                • Executes dropped EXE
                                • Drops file in System32 directory
                                • Drops file in Program Files directory
                                • System Location Discovery: System Language Discovery
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                PID:4616
                                • C:\Windows\SysWOW64\netsh.exe
                                  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
                                  16⤵
                                  • Modifies Windows Firewall
                                  • Event Triggered Execution: Netsh Helper DLL
                                  • System Location Discovery: System Language Discovery
                                  PID:5108
                                • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                                  "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                                  16⤵
                                  • Checks computer location settings
                                  • Executes dropped EXE
                                  • System Location Discovery: System Language Discovery
                                  PID:3964
                                  • C:\Users\Admin\AppData\Local\Temp\server.exe
                                    "C:\Users\Admin\AppData\Local\Temp\server.exe"
                                    17⤵
                                    • Executes dropped EXE
                                    • System Location Discovery: System Language Discovery
                                    PID:3468

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Umbrella.flv.exe
    Filesize

    93KB

    MD5

    25443271763910e38d74296d29f48071

    SHA1

    269a7dd9ff1d0076a65630715f5bd4600a33bb0d

    SHA256

    3bf2449588aaea6f7b7f984af24bd889ee438bb33d9331f5990ef9b6184695e8

    SHA512

    185d233076e4727bf1471f579e2fb56725e30a1f1d4b1f70c8da03d389f41d879eba3731f6daedb34edb8c073df90ca3c0df19362f7b174c72bd6a1251d67aea

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\server.exe.log
    Filesize

    496B

    MD5

    a4467dea22bfd7e0083d680c571f5e7c

    SHA1

    59682ca656f04dd57f7ef4552b96f71d73196ea2

    SHA256

    d165b248678c73e289a7d4a8aa74acc5c09408e58b8f2abd668013ca12c00cc4

    SHA512

    73d25a179994c16b2b3a357e8b068ebf415418033cd601d7084b3a44d822cb99c33c396c9a27ad6fa2066748032e21f09ce89461bc3180ec071d2d64e68ad790

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\svchost.exe.log
    Filesize

    408B

    MD5

    661cab77d3b907e8057f2e689e995af3

    SHA1

    5d1a0ee9c5ee7a7a90d56d00c10dc0e679bee01c

    SHA256

    8f27f95ad7c09f2e05d7960e78ef8cd935c1262e9657883a75d70dcb877592d2

    SHA512

    2523b316bd79fed0e9b3d73f46959f3dfe270cf950f34bd9d49fe4113a2ae46d0cd00224d848bc40c0d8c55449e2dccc4b4278ba4809c0ca9ede1ac75673fc67

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  • C:\Users\Admin\AppData\Local\Temp\melt.txt
    Filesize

    44B

    MD5

    298802dff6aa26d4fb941c7ccf5c0849

    SHA1

    11e518ca3409f1863ebc2d3f1be9fb701bad52c0

    SHA256

    df99fdbdf7b92b29b1bf1ca4283b4de2e04643b9739d2d1089ab5808e8e5665d

    SHA512

    0301017dfef1b74855d6535f3fd542257689479cb933c2e8742b5b6b94e26107fa38e7fc21bdb83d45184750eced344856092330fb30a1ebbc24b2b9004c8946

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  • C:\Users\Admin\AppData\Roaming\app
    Filesize

    5B

    MD5

    8fc22f973bec7f0525710dcf02f05edf

    SHA1

    418f88fe2c59f8d9579994aec4034d785e8ac00c

    SHA256

    ba0e21ceb11b1ec62709b0141373ce65de5a156b822c9b6d3c3f9ed9ab224a46

    SHA512

    ac280118b4b0ee9643ecc464bfc91682ccccd530efa81dcc3d9471044305d59de661f865560206f089822299cb431dbad9f81a16ad667251375746d406f2b44d

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  • memory/3840-51-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3840-53-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3840-66-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4916-0-0x0000000074E82000-0x0000000074E83000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4916-1-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4916-2-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4916-52-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

    Download