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Analysis

  • max time kernel
    116s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 04:48

General

  • Target

    6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe

  • Size

    4.1MB

  • MD5

    b068b5a5ee8be4de86f67b5c2b5bf5d5

  • SHA1

    5e18f8587e2f0dcb60b7b8da2ba34b322dc3a101

  • SHA256

    6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e

  • SHA512

    bcedd5ef88e873b4273b6d5938854655006866f8fdcfcea0f845c2ce7dc6582b1787a5f4b668ae9e7bc09c73d1e574dc2bfe5d46a24cd7b8d62e8dd3ed2c7cc7

  • SSDEEP

    98304:gmt2HMNzbl5vG6exEEj3um3jyNJdQ91UKr1D7kBRa7m:gmt2Hsbl5vMradQvtZvri

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 11 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe
    "C:\Users\Admin\AppData\Local\Temp\6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3352
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Users\Admin\AppData\Local\Temp\6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe
      "C:\Users\Admin\AppData\Local\Temp\6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe"
      2⤵
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3872
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3400
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          PID:5080
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1188
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
          PID:3788
        • C:\Windows\rss\csrss.exe
          C:\Windows\rss\csrss.exe
          3⤵
            PID:1928
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell -nologo -noprofile
              4⤵
                PID:2196
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
                4⤵
                • Creates scheduled task(s)
                PID:5040
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /delete /tn ScheduledUpdate /f
                4⤵
                  PID:4996
                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                  powershell -nologo -noprofile
                  4⤵
                    PID:1740
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
              1⤵
                PID:3612

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wwkbvjvf.uif.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

                Filesize

                2KB

                MD5

                3d086a433708053f9bf9523e1d87a4e8

                SHA1

                b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

                SHA256

                6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

                SHA512

                931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

              • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

                Filesize

                19KB

                MD5

                01d7efed29a5ccbb6a10166cc11de6e8

                SHA1

                cab285821e81a4a8b7fd1367ee8a827c6ce68636

                SHA256

                8fd35e8a0feedad5ba67f6c6c72cfc0a3edd0a7e31dd86e668b619c9ecc5ca81

                SHA512

                19745277b76ea8e8da1c4ddf01bca3c2bb07876f2de9ee042f8c26ec505786804f89448929bb26ed0ce49847eaf9da78909d4937fe0e8bb4ccb550ff67c97028

              • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

                Filesize

                19KB

                MD5

                60d4979368543a3ca6057f067e147ec2

                SHA1

                cee1cd2f33e942443ff4e64e1105ac950a880ab3

                SHA256

                7f390737470c3b68a3474ce275a050e96f735f703498ca92927dfdb5b43db0c4

                SHA512

                f4d90bbe0475c1dc0bfce456595b111888076897e170f58460a7c58aebb35b4fe5d8b9b3a87d0d08822548bff97e0420165f69e5c8c147ffa72bcde273bf7bd4

              • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

                Filesize

                19KB

                MD5

                0cf36fff81b621f7ce48c707e8e40e49

                SHA1

                25cd5557713acf28195024a729913e28659631f2

                SHA256

                f8f9cbcc0e933b42d8b96dacf1ec13846f30fa15c7bec8cf4576703779fe53aa

                SHA512

                0c5ee54e339486967ad9f2d7e63604171b004f7abda187e8550175369287f86254dd1678f8f03b29b58810e411d70a76b85d4877e387be1cfe4d9238af697d63

              • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

                Filesize

                19KB

                MD5

                0f776c4e3dedef2d7b054de5d0a0ce3a

                SHA1

                a668775b6d6e2acd192acaa0f4de5b3c01b9db1b

                SHA256

                1f8d9730c64d85943c65616464f40e16ddfe0d4986f61c8b52eb7e5d4e248613

                SHA512

                d6a5e5d3a90c995ce2f9ff658360f895e766dbbdc5eee7a9e7b9c77bd94391fb203f8c1bba0e53ac71892232074549e429feaa6ba53a57e1b9c5ffdd66e33faa

              • C:\Windows\rss\csrss.exe

                Filesize

                4.1MB

                MD5

                b068b5a5ee8be4de86f67b5c2b5bf5d5

                SHA1

                5e18f8587e2f0dcb60b7b8da2ba34b322dc3a101

                SHA256

                6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e

                SHA512

                bcedd5ef88e873b4273b6d5938854655006866f8fdcfcea0f845c2ce7dc6582b1787a5f4b668ae9e7bc09c73d1e574dc2bfe5d46a24cd7b8d62e8dd3ed2c7cc7

              • memory/1188-103-0x0000000070A10000-0x0000000070A5C000-memory.dmp

                Filesize

                304KB

              • memory/1188-104-0x00000000711B0000-0x0000000071504000-memory.dmp

                Filesize

                3.3MB

              • memory/1536-74-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/1536-137-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/1536-142-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/1536-91-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/1740-182-0x00000000056A0000-0x00000000059F4000-memory.dmp

                Filesize

                3.3MB

              • memory/1740-184-0x0000000005DB0000-0x0000000005DFC000-memory.dmp

                Filesize

                304KB

              • memory/1740-186-0x0000000071040000-0x0000000071394000-memory.dmp

                Filesize

                3.3MB

              • memory/1740-185-0x0000000070890000-0x00000000708DC000-memory.dmp

                Filesize

                304KB

              • memory/1740-196-0x0000000006FC0000-0x0000000007063000-memory.dmp

                Filesize

                652KB

              • memory/1928-172-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/2196-156-0x0000000006080000-0x00000000060CC000-memory.dmp

                Filesize

                304KB

              • memory/2196-157-0x0000000070970000-0x00000000709BC000-memory.dmp

                Filesize

                304KB

              • memory/2196-154-0x00000000058D0000-0x0000000005C24000-memory.dmp

                Filesize

                3.3MB

              • memory/2196-168-0x0000000007190000-0x0000000007233000-memory.dmp

                Filesize

                652KB

              • memory/2196-158-0x0000000071110000-0x0000000071464000-memory.dmp

                Filesize

                3.3MB

              • memory/2196-169-0x00000000074E0000-0x00000000074F1000-memory.dmp

                Filesize

                68KB

              • memory/2196-170-0x0000000005D50000-0x0000000005D64000-memory.dmp

                Filesize

                80KB

              • memory/2528-57-0x00000000072A0000-0x00000000072A8000-memory.dmp

                Filesize

                32KB

              • memory/2528-33-0x0000000006EE0000-0x0000000006EFA000-memory.dmp

                Filesize

                104KB

              • memory/2528-47-0x00000000070A0000-0x00000000070BE000-memory.dmp

                Filesize

                120KB

              • memory/2528-48-0x0000000007100000-0x00000000071A3000-memory.dmp

                Filesize

                652KB

              • memory/2528-49-0x00000000071F0000-0x00000000071FA000-memory.dmp

                Filesize

                40KB

              • memory/2528-50-0x00000000072B0000-0x0000000007346000-memory.dmp

                Filesize

                600KB

              • memory/2528-51-0x0000000074A70000-0x0000000075220000-memory.dmp

                Filesize

                7.7MB

              • memory/2528-52-0x0000000007210000-0x0000000007221000-memory.dmp

                Filesize

                68KB

              • memory/2528-6-0x0000000074A70000-0x0000000075220000-memory.dmp

                Filesize

                7.7MB

              • memory/2528-54-0x0000000007250000-0x000000000725E000-memory.dmp

                Filesize

                56KB

              • memory/2528-55-0x0000000007260000-0x0000000007274000-memory.dmp

                Filesize

                80KB

              • memory/2528-56-0x0000000007350000-0x000000000736A000-memory.dmp

                Filesize

                104KB

              • memory/2528-7-0x0000000004600000-0x0000000004610000-memory.dmp

                Filesize

                64KB

              • memory/2528-60-0x0000000074A70000-0x0000000075220000-memory.dmp

                Filesize

                7.7MB

              • memory/2528-8-0x00000000044B0000-0x00000000044E6000-memory.dmp

                Filesize

                216KB

              • memory/2528-9-0x0000000004600000-0x0000000004610000-memory.dmp

                Filesize

                64KB

              • memory/2528-10-0x0000000004C40000-0x0000000005268000-memory.dmp

                Filesize

                6.2MB

              • memory/2528-36-0x0000000070910000-0x000000007095C000-memory.dmp

                Filesize

                304KB

              • memory/2528-11-0x0000000004AA0000-0x0000000004AC2000-memory.dmp

                Filesize

                136KB

              • memory/2528-13-0x0000000005270000-0x00000000052D6000-memory.dmp

                Filesize

                408KB

              • memory/2528-14-0x00000000052E0000-0x0000000005346000-memory.dmp

                Filesize

                408KB

              • memory/2528-24-0x0000000005490000-0x00000000057E4000-memory.dmp

                Filesize

                3.3MB

              • memory/2528-25-0x0000000005B20000-0x0000000005B3E000-memory.dmp

                Filesize

                120KB

              • memory/2528-35-0x00000000070C0000-0x00000000070F2000-memory.dmp

                Filesize

                200KB

              • memory/2528-34-0x000000007F3B0000-0x000000007F3C0000-memory.dmp

                Filesize

                64KB

              • memory/2528-37-0x0000000070EC0000-0x0000000071214000-memory.dmp

                Filesize

                3.3MB

              • memory/2528-32-0x0000000007560000-0x0000000007BDA000-memory.dmp

                Filesize

                6.5MB

              • memory/2528-31-0x0000000006BB0000-0x0000000006C26000-memory.dmp

                Filesize

                472KB

              • memory/2528-26-0x0000000005B70000-0x0000000005BBC000-memory.dmp

                Filesize

                304KB

              • memory/2528-30-0x0000000004600000-0x0000000004610000-memory.dmp

                Filesize

                64KB

              • memory/2528-28-0x0000000005FE0000-0x0000000006024000-memory.dmp

                Filesize

                272KB

              • memory/3352-61-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/3352-27-0x0000000005220000-0x0000000005B0B000-memory.dmp

                Filesize

                8.9MB

              • memory/3352-2-0x0000000005220000-0x0000000005B0B000-memory.dmp

                Filesize

                8.9MB

              • memory/3352-3-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/3352-4-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/3352-53-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/3352-12-0x0000000004E20000-0x0000000005220000-memory.dmp

                Filesize

                4.0MB

              • memory/3352-5-0x0000000000400000-0x0000000002ED3000-memory.dmp

                Filesize

                42.8MB

              • memory/3352-1-0x0000000004E20000-0x0000000005220000-memory.dmp

                Filesize

                4.0MB

              • memory/3788-126-0x0000000070A10000-0x0000000070A5C000-memory.dmp

                Filesize

                304KB

              • memory/3788-121-0x00000000059E0000-0x0000000005D34000-memory.dmp

                Filesize

                3.3MB

              • memory/3788-127-0x0000000071190000-0x00000000714E4000-memory.dmp

                Filesize

                3.3MB

              • memory/3872-88-0x0000000007620000-0x0000000007634000-memory.dmp

                Filesize

                80KB

              • memory/3872-65-0x0000000005AB0000-0x0000000005E04000-memory.dmp

                Filesize

                3.3MB

              • memory/3872-73-0x0000000006110000-0x000000000615C000-memory.dmp

                Filesize

                304KB

              • memory/3872-75-0x0000000070A10000-0x0000000070A5C000-memory.dmp

                Filesize

                304KB

              • memory/3872-76-0x00000000711B0000-0x0000000071504000-memory.dmp

                Filesize

                3.3MB

              • memory/3872-86-0x00000000072D0000-0x0000000007373000-memory.dmp

                Filesize

                652KB

              • memory/3872-87-0x00000000075B0000-0x00000000075C1000-memory.dmp

                Filesize

                68KB