Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 18:02

General

  • Target

    a6d7b7e92bc21d807095268f3b241daf780f255952964e25559b440eb9f9fce8.dll

  • Size

    216KB

  • MD5

    06a52fffe09b43cb5fde1a11bdc31fff

  • SHA1

    5840c6df561828ff110a3dc0401c5607c6ff1a77

  • SHA256

    a6d7b7e92bc21d807095268f3b241daf780f255952964e25559b440eb9f9fce8

  • SHA512

    65c28c033298be5e509aa6efdca6e7c2d5c876ddc43478b4f8e402399118b82a3741af2719cc2f32a6c4119441a488ee4246b408f8324e31b963781b82731e43

  • SSDEEP

    3072:On2PxxtB3MQLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpi:uaHLBf0dJ5TTBZbspom7bXc

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 3 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
      PID:384
    • C:\Windows\system32\wininit.exe
      wininit.exe
      1⤵
        PID:392
        • C:\Windows\system32\services.exe
          C:\Windows\system32\services.exe
          2⤵
            PID:476
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch
              3⤵
                PID:596
                • C:\Windows\system32\wbem\wmiprvse.exe
                  C:\Windows\system32\wbem\wmiprvse.exe
                  4⤵
                    PID:564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1188
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k RPCSS
                    3⤵
                      PID:672
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                      3⤵
                        PID:756
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                        3⤵
                          PID:792
                          • C:\Windows\system32\Dwm.exe
                            "C:\Windows\system32\Dwm.exe"
                            4⤵
                              PID:1340
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k netsvcs
                            3⤵
                              PID:820
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalService
                              3⤵
                                PID:956
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k NetworkService
                                3⤵
                                  PID:1020
                                • C:\Windows\System32\spoolsv.exe
                                  C:\Windows\System32\spoolsv.exe
                                  3⤵
                                    PID:316
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                    3⤵
                                      PID:1000
                                    • C:\Windows\system32\taskhost.exe
                                      "taskhost.exe"
                                      3⤵
                                        PID:1244
                                      • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                        "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                        3⤵
                                          PID:1700
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                          3⤵
                                            PID:2512
                                          • C:\Windows\system32\sppsvc.exe
                                            C:\Windows\system32\sppsvc.exe
                                            3⤵
                                              PID:2540
                                          • C:\Windows\system32\lsass.exe
                                            C:\Windows\system32\lsass.exe
                                            2⤵
                                              PID:492
                                            • C:\Windows\system32\lsm.exe
                                              C:\Windows\system32\lsm.exe
                                              2⤵
                                                PID:500
                                            • C:\Windows\system32\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:424
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1396
                                                  • C:\Windows\system32\rundll32.exe
                                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6d7b7e92bc21d807095268f3b241daf780f255952964e25559b440eb9f9fce8.dll,#1
                                                    2⤵
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:2316
                                                    • C:\Windows\SysWOW64\rundll32.exe
                                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6d7b7e92bc21d807095268f3b241daf780f255952964e25559b440eb9f9fce8.dll,#1
                                                      3⤵
                                                      • Loads dropped DLL
                                                      • Drops file in System32 directory
                                                      • System Location Discovery: System Language Discovery
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:380
                                                      • C:\Windows\SysWOW64\rundll32mgr.exe
                                                        C:\Windows\SysWOW64\rundll32mgr.exe
                                                        4⤵
                                                        • Executes dropped EXE
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious behavior: MapViewOfSection
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2436

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • \Windows\SysWOW64\rundll32mgr.exe

                                                  Filesize

                                                  159KB

                                                  MD5

                                                  8703c6aeb2e62da71e50db9698d91e35

                                                  SHA1

                                                  cafceda794c5b1976b46a5d39949137aba8dc9e6

                                                  SHA256

                                                  c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d

                                                  SHA512

                                                  48e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a

                                                • memory/380-0-0x0000000074780000-0x00000000747B7000-memory.dmp

                                                  Filesize

                                                  220KB

                                                • memory/380-2-0x0000000074740000-0x0000000074777000-memory.dmp

                                                  Filesize

                                                  220KB

                                                • memory/380-3-0x0000000074780000-0x00000000747B7000-memory.dmp

                                                  Filesize

                                                  220KB

                                                • memory/380-6-0x0000000001FA0000-0x0000000002004000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/380-17-0x000000007715F000-0x0000000077160000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/380-18-0x0000000001FA0000-0x0000000002004000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/380-19-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

                                                  Filesize

                                                  48KB

                                                • memory/2436-16-0x0000000000400000-0x0000000000464000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/2436-14-0x0000000077160000-0x0000000077161000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2436-13-0x000000007715F000-0x0000000077160000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2436-12-0x0000000000250000-0x0000000000251000-memory.dmp

                                                  Filesize

                                                  4KB