Analysis

  • max time kernel
    96s
  • max time network
    119s
  • 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 18:19

General

  • Target

    c8a07422a4f79aa726f12eb9f2a47f850e7821f9a31a0b28ff70234769af9605N.exe

  • Size

    716KB

  • MD5

    a224ab583afbe09930703315db00d6a0

  • SHA1

    70dedfdb31ea49b113bc4db583ababbbd88831ec

  • SHA256

    c8a07422a4f79aa726f12eb9f2a47f850e7821f9a31a0b28ff70234769af9605

  • SHA512

    0c7c41f3ef00625b46f672f6952737f7011a1e69fdebc785f99b7baeb57177b66511a45289cd7821080183e87eeaf504a1de5ae4e7cadba9562b16048ad8670a

  • SSDEEP

    12288:9Hg3POWGRghDRUi/KsDj+Ea/TjOebZ3f2yeDOUCVh7XLvd:9HAOr2/jcbyAZfzv7

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2612
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2728
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2944
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3416
                  • C:\Users\Admin\AppData\Local\Temp\c8a07422a4f79aa726f12eb9f2a47f850e7821f9a31a0b28ff70234769af9605N.exe
                    "C:\Users\Admin\AppData\Local\Temp\c8a07422a4f79aa726f12eb9f2a47f850e7821f9a31a0b28ff70234769af9605N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Loads dropped DLL
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:968
                    • C:\Windows\System32\Conhost.exe
                      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                      3⤵
                        PID:3048
                      • C:\Users\Admin\AppData\Local\Temp\c8a07422a4f79aa726f12eb9f2a47f850e7821f9a31a0b28ff70234769af9605NSrv.exe
                        C:\Users\Admin\AppData\Local\Temp\c8a07422a4f79aa726f12eb9f2a47f850e7821f9a31a0b28ff70234769af9605NSrv.exe
                        3⤵
                        • Executes dropped EXE
                        • Drops file in Program Files directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of WriteProcessMemory
                        PID:2368
                        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
                          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
                          4⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of WriteProcessMemory
                          PID:2196
                          • C:\Program Files\Internet Explorer\iexplore.exe
                            "C:\Program Files\Internet Explorer\iexplore.exe"
                            5⤵
                            • Modifies Internet Explorer settings
                            • Suspicious use of FindShellTrayWindow
                            • Suspicious use of SetWindowsHookEx
                            • Suspicious use of WriteProcessMemory
                            PID:3864
                            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3864 CREDAT:17410 /prefetch:2
                              6⤵
                              • System Location Discovery: System Language Discovery
                              • Modifies Internet Explorer settings
                              • Suspicious use of SetWindowsHookEx
                              PID:4968
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:3560
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3748
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3844
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3908
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:4000
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3780
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                1⤵
                                  PID:3300
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:4264

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                                    Filesize

                                    471B

                                    MD5

                                    ce36378334f2edb4e728e0632afebb70

                                    SHA1

                                    89d54efcb8c7bbe532e5ad91b38468279d3f5c93

                                    SHA256

                                    6be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1

                                    SHA512

                                    3e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2

                                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                                    Filesize

                                    404B

                                    MD5

                                    94abcd4d587a3ca6cfe1b553dc9306b8

                                    SHA1

                                    9535bd80cd3338664b36231667ddabfea30a463c

                                    SHA256

                                    91c33ff1cf6422aff91167fd17918473b9b0099f671ec4ad42276fe8c8b27b36

                                    SHA512

                                    3b943c12af4f4fba2eefeb017e0c8b9245f742b3d0ac047121d5ff764483c11434396e740e6deaf653ee027dded02cddc6c0e05e151e7fe503fde4ceab370214

                                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

                                    Filesize

                                    17KB

                                    MD5

                                    5a34cb996293fde2cb7a4ac89587393a

                                    SHA1

                                    3c96c993500690d1a77873cd62bc639b3a10653f

                                    SHA256

                                    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                                    SHA512

                                    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                                  • C:\Users\Admin\AppData\Local\Temp\c8a07422a4f79aa726f12eb9f2a47f850e7821f9a31a0b28ff70234769af9605NSrv.exe

                                    Filesize

                                    55KB

                                    MD5

                                    ff5e1f27193ce51eec318714ef038bef

                                    SHA1

                                    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

                                    SHA256

                                    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

                                    SHA512

                                    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

                                  • C:\Users\Admin\AppData\Local\Temp\pdk-Admin\0a319eb1d56bb802d29db7b0882b0d4b\perl58.dll

                                    Filesize

                                    796KB

                                    MD5

                                    0a319eb1d56bb802d29db7b0882b0d4b

                                    SHA1

                                    538b7d475d5a068b98afc6a98bef349d72b16d0f

                                    SHA256

                                    37c38a5e0d85cb10ff6f68829bc848b27f312e7d95d4c8edcc0fb85366477b7f

                                    SHA512

                                    e6b0f96b58da2e80ca729cb84489b1716e231ddeef66939c1762afc6b5d3914bfd6727041fc170e2f9964edb0b53bd3b4a8ef2fbb81289984898bd703b617ad8

                                  • C:\Users\Admin\AppData\Local\Temp\pdk-Admin\75f29543113df21eb90d1aefa0207222\Socket.dll

                                    Filesize

                                    32KB

                                    MD5

                                    75f29543113df21eb90d1aefa0207222

                                    SHA1

                                    48a224022b8a9c0a35e703adf26f87929395e6ee

                                    SHA256

                                    6a36a40cd624891dfea7131b62c5ee6fcb4cf5d3ba4022cc47a58486dd17b111

                                    SHA512

                                    39689701e0c051020285c76335c6164b57541a3c35d15048ce4606496fca3f237925a29489992181f61dc05beddb6f78114a759efcfebdd970aa94ed0a2c0e87

                                  • memory/968-34-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-35-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-5-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-31-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-25-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-24-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-15-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-58-0x0000000000400000-0x00000000004BA000-memory.dmp

                                    Filesize

                                    744KB

                                  • memory/968-33-0x0000000004120000-0x0000000004121000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/968-30-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-36-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/968-46-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-42-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-43-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/968-44-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-0-0x0000000000400000-0x00000000004BA000-memory.dmp

                                    Filesize

                                    744KB

                                  • memory/968-32-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/968-45-0x0000000002300000-0x00000000033BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/968-49-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2196-23-0x0000000000570000-0x0000000000571000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2196-27-0x0000000000400000-0x000000000042E000-memory.dmp

                                    Filesize

                                    184KB

                                  • memory/2368-29-0x0000000000400000-0x000000000042E000-memory.dmp

                                    Filesize

                                    184KB

                                  • memory/2368-9-0x00000000004D0000-0x00000000004DF000-memory.dmp

                                    Filesize

                                    60KB

                                  • memory/2368-4-0x0000000000400000-0x000000000042E000-memory.dmp

                                    Filesize

                                    184KB