Analysis

  • max time kernel
    95s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 12:10

General

  • Target

    912629688f399c90eaf29b8b2643bf8916cb3ad6ac70600836fc8f29aa748ddf.dll

  • Size

    564KB

  • MD5

    7c99d39d1074414625e6ad89fde201e8

  • SHA1

    9539007d78a211f102cd6ab2082673398edf51d8

  • SHA256

    912629688f399c90eaf29b8b2643bf8916cb3ad6ac70600836fc8f29aa748ddf

  • SHA512

    f1f95fc772ae9fdc7f25ab7abe45bd4213bc166bddb7809681486423e84fd0a11a41f154010ab5a38aa9d5f56e517fd0082bb8ddb0df21166e09fe850bbfe763

  • SSDEEP

    12288:tehnaNPpSVZmNxRCwnwm3W3OHIIf5m9RhWFV9:teh0PpS6NxNnwYeOHXAhWT9

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 15 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 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 27 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2488
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2496
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2640
              • C:\Windows\system32\rundll32.exe
                rundll32.exe C:\Users\Admin\AppData\Local\Temp\912629688f399c90eaf29b8b2643bf8916cb3ad6ac70600836fc8f29aa748ddf.dll,#1
                1⤵
                • Suspicious use of WriteProcessMemory
                PID:2220
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\912629688f399c90eaf29b8b2643bf8916cb3ad6ac70600836fc8f29aa748ddf.dll,#1
                  2⤵
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:1704
                  • C:\Windows\SysWOW64\rundll32mgr.exe
                    C:\Windows\SysWOW64\rundll32mgr.exe
                    3⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Executes dropped EXE
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of UnmapMainImage
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2712
                    • C:\Program Files (x86)\Microsoft\WaterMark.exe
                      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                      4⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of UnmapMainImage
                      • Suspicious use of WriteProcessMemory
                      PID:4176
                      • C:\Windows\SysWOW64\svchost.exe
                        C:\Windows\system32\svchost.exe
                        5⤵
                          PID:3648
                        • 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:1788
                          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1788 CREDAT:17410 /prefetch:2
                            6⤵
                            • System Location Discovery: System Language Discovery
                            • Modifies Internet Explorer settings
                            • Suspicious use of SetWindowsHookEx
                            PID:4496
                        • C:\Program Files\Internet Explorer\iexplore.exe
                          "C:\Program Files\Internet Explorer\iexplore.exe"
                          5⤵
                          • Modifies Internet Explorer settings
                          PID:1852
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 616
                      3⤵
                      • Program crash
                      PID:3848
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1704 -ip 1704
                  1⤵
                    PID:452

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

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

                    Filesize

                    471B

                    MD5

                    eec6845b257a7c8f95b25485b3666ae4

                    SHA1

                    79e6f675b80bc885bda844e766088a62d84ded75

                    SHA256

                    70a3cfb8ce21db27ecfb8143c459eda8218c5f7a0db0945c3117cbf5c180eb6d

                    SHA512

                    b6ceaabb99fb2011f9dd6ae4b59e3435c397204fcd4b3168e65d6616a85d49d13f80cd11a191e223609538d4f144103757f730c61acd21f4053bb5ecb6fb4f1f

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

                    Filesize

                    404B

                    MD5

                    931ef3c52f7f4c1779d840ee893aa9d5

                    SHA1

                    9edd8fe8408913e5a5ef06a697a77dcab7d99d7b

                    SHA256

                    e717558cf6fe5995ebd439cf30560d091fcb297348bdedd93948e66f32e23e2d

                    SHA512

                    38c51625db81400c40625728184ba9f8238c9fbb015d989cd09fbccd89c130392361309d5f98e67179b3cb3f73c143407bb7c6d44220d43e83490cc2d57e90c5

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

                    Filesize

                    17KB

                    MD5

                    5a34cb996293fde2cb7a4ac89587393a

                    SHA1

                    3c96c993500690d1a77873cd62bc639b3a10653f

                    SHA256

                    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                    SHA512

                    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                  • C:\Windows\SysWOW64\rundll32mgr.exe

                    Filesize

                    164KB

                    MD5

                    a3b1f1c4cd75bea10095e054f990bf1d

                    SHA1

                    15bf037b2166d2533e12bbec9f1d5f9a3ad8c81b

                    SHA256

                    a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee

                    SHA512

                    7457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94

                  • memory/1704-1-0x0000000010000000-0x000000001008B000-memory.dmp

                    Filesize

                    556KB

                  • memory/1704-40-0x0000000010000000-0x000000001008B000-memory.dmp

                    Filesize

                    556KB

                  • memory/2712-12-0x0000000000400000-0x0000000000421000-memory.dmp

                    Filesize

                    132KB

                  • memory/2712-16-0x0000000000400000-0x0000000000421000-memory.dmp

                    Filesize

                    132KB

                  • memory/2712-5-0x0000000000400000-0x0000000000434000-memory.dmp

                    Filesize

                    208KB

                  • memory/2712-20-0x0000000003110000-0x000000000419E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/2712-24-0x0000000000A70000-0x0000000000A71000-memory.dmp

                    Filesize

                    4KB

                  • memory/2712-23-0x0000000000400000-0x0000000000421000-memory.dmp

                    Filesize

                    132KB

                  • memory/2712-17-0x0000000000400000-0x0000000000421000-memory.dmp

                    Filesize

                    132KB

                  • memory/2712-13-0x0000000000400000-0x0000000000421000-memory.dmp

                    Filesize

                    132KB

                  • memory/2712-8-0x0000000003110000-0x000000000419E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/2712-10-0x0000000000400000-0x0000000000421000-memory.dmp

                    Filesize

                    132KB

                  • memory/2712-6-0x0000000003110000-0x000000000419E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/2712-15-0x0000000003110000-0x000000000419E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/2712-11-0x0000000000400000-0x0000000000421000-memory.dmp

                    Filesize

                    132KB

                  • memory/2712-9-0x0000000003110000-0x000000000419E000-memory.dmp

                    Filesize

                    16.6MB

                  • memory/4176-36-0x0000000000430000-0x0000000000431000-memory.dmp

                    Filesize

                    4KB

                  • memory/4176-41-0x0000000000070000-0x0000000000071000-memory.dmp

                    Filesize

                    4KB

                  • memory/4176-43-0x00000000777C2000-0x00000000777C3000-memory.dmp

                    Filesize

                    4KB

                  • memory/4176-42-0x0000000000400000-0x0000000000434000-memory.dmp

                    Filesize

                    208KB

                  • memory/4176-44-0x0000000000400000-0x0000000000421000-memory.dmp

                    Filesize

                    132KB

                  • memory/4176-37-0x0000000000400000-0x0000000000421000-memory.dmp

                    Filesize

                    132KB

                  • memory/4176-38-0x00000000777C2000-0x00000000777C3000-memory.dmp

                    Filesize

                    4KB

                  • memory/4176-28-0x0000000000400000-0x0000000000434000-memory.dmp

                    Filesize

                    208KB