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Resubmissions

25/02/2025, 18:31

250225-w51ava1jt9 8

11/03/2024, 23:35

240311-3leclahf51 8

05/09/2023, 14:57

230905-sbr6lagd82 8

12/04/2023, 00:00

230412-aaqx2ahh3w 8

Analysis

  • max time kernel
    140s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    12/04/2023, 00:00

General

  • Target

    Elo.exe

  • Size

    96KB

  • MD5

    26b12d61e9e62412748069275521be1a

  • SHA1

    6206f2f1256774a058998da3517cbffc5e70270e

  • SHA256

    a6f48afd03aaa15824a2182e20088a4595f795766f78d679416d123ec17e1de5

  • SHA512

    0e28b335d373c7d1d92f15bd412886472db66ad9b1ab9a4fcae6f1338df07785a62b03ff069aea9543a850c95e9990e3107e0114d63f207721e897b859956491

  • SSDEEP

    1536:f7fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfswociK1CFOU:T7DhdC6kzWypvaQ0FxyNTBfspwYp

Score
5/10

Malware Config

Signatures

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Delays execution with timeout.exe 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Elo.exe
    "C:\Users\Admin\AppData\Local\Temp\Elo.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\55E.tmp\55F.tmp\560.bat C:\Users\Admin\AppData\Local\Temp\Elo.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1224
      • C:\Windows\system32\net.exe
        net session
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 session
          4⤵
            PID:1996
        • C:\Windows\system32\attrib.exe
          attrib +h +s C:\Users\Admin\AppData\Local\Temp\Elo.exe
          3⤵
          • Views/modifies file attributes
          PID:2004
        • C:\Windows\system32\attrib.exe
          attrib +h +s 25231.vbs
          3⤵
          • Views/modifies file attributes
          PID:468
        • C:\Windows\system32\attrib.exe
          attrib +h +s 17787.vbs
          3⤵
          • Views/modifies file attributes
          PID:672
        • C:\Windows\system32\attrib.exe
          attrib +h +s 15936.vbs
          3⤵
          • Views/modifies file attributes
          PID:1280
        • C:\Windows\system32\attrib.exe
          attrib +h +s Automate.bat
          3⤵
          • Views/modifies file attributes
          PID:780
        • C:\Windows\system32\attrib.exe
          attrib +h +s Test.vbs
          3⤵
          • Views/modifies file attributes
          PID:576
        • C:\Windows\system32\attrib.exe
          attrib +h +s Test.bat
          3⤵
          • Views/modifies file attributes
          PID:1248
        • C:\Windows\system32\attrib.exe
          attrib +h +s Detect.vbs
          3⤵
          • Views/modifies file attributes
          PID:1532
        • C:\Windows\system32\attrib.exe
          attrib +h +s Detect.bat
          3⤵
          • Views/modifies file attributes
          PID:1016
        • C:\Windows\system32\attrib.exe
          attrib +h +s bsod.bat
          3⤵
          • Views/modifies file attributes
          PID:1876
        • C:\Windows\System32\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\25231.vbs"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1352
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process Detect.bat -Verb RunAs -windowstyle hidden
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1384
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Detect.bat"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1920
              • C:\Windows\System32\WScript.exe
                "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Detect.vbs"
                6⤵
                  PID:1372
                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process Test.bat -Verb RunAs -windowstyle hidden -wait
                    7⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1716
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Test.bat"
                      8⤵
                        PID:696
                  • C:\Windows\System32\WScript.exe
                    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Test.vbs"
                    6⤵
                      PID:1604
              • C:\Windows\system32\NOTEPAD.EXE
                "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\MEMZ.txt
                3⤵
                • Opens file in notepad (likely ransom note)
                • Suspicious use of FindShellTrayWindow
                PID:1400
              • C:\Windows\system32\attrib.exe
                attrib +h +s MEMZ.txt
                3⤵
                • Views/modifies file attributes
                PID:1560
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                powershell.exe -noprofile -
                3⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:392
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" type NirCmd.ps1 "
                3⤵
                  PID:896
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell gci -Recurse -Filter *.zip |ForEach-Object {Expand-Archive -Path $_.Fullname -DestinationPath $_.BaseName -Force}
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1288
                • C:\Windows\system32\timeout.exe
                  timeout 15 /nobreak
                  3⤵
                  • Delays execution with timeout.exe
                  PID:996
                • C:\Windows\system32\attrib.exe
                  attrib +h +s NirCmd.bat
                  3⤵
                  • Views/modifies file attributes
                  PID:432
                • C:\Windows\system32\attrib.exe
                  attrib +h +s NirCmd.txt
                  3⤵
                  • Views/modifies file attributes
                  PID:384
                • C:\Windows\system32\attrib.exe
                  attrib +h +s NirCmd2.txt
                  3⤵
                  • Views/modifies file attributes
                  PID:1860
                • C:\Windows\system32\attrib.exe
                  attrib +h +s NirCmd.zip
                  3⤵
                  • Views/modifies file attributes
                  PID:1984
                • C:\Windows\system32\attrib.exe
                  attrib +h +s NirCmd.ps1
                  3⤵
                  • Views/modifies file attributes
                  PID:1964
                • C:\Windows\system32\attrib.exe
                  attrib +h +s NirCmd.exe
                  3⤵
                  • Views/modifies file attributes
                  PID:1828
                • C:\Windows\system32\timeout.exe
                  timeout 5 /nobreak
                  3⤵
                  • Delays execution with timeout.exe
                  PID:1792
                • C:\Windows\system32\timeout.exe
                  timeout 20 /nobreak
                  3⤵
                  • Delays execution with timeout.exe
                  PID:992
                • C:\Windows\system32\timeout.exe
                  timeout 10 /nobreak
                  3⤵
                  • Delays execution with timeout.exe
                  PID:608
                • C:\Windows\system32\sethc.exe
                  sethc 250
                  3⤵
                    PID:308
              • C:\Windows\system32\sethc.exe
                sethc.exe 101
                1⤵
                • Sets desktop wallpaper using registry
                • Modifies Internet Explorer settings
                PID:1524
              • C:\Windows\system32\AUDIODG.EXE
                C:\Windows\system32\AUDIODG.EXE 0x1e0
                1⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:4028

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\Custom.theme

                Filesize

                1KB

                MD5

                b65aeb1b3da0b96313cc6e10dde4afe0

                SHA1

                34039989280d6d5a45793deaab79665c79b74b8d

                SHA256

                0254d776e25aeb83f195aacc7d477cd37683932586b27fdb7f09836d08296a3c

                SHA512

                be5c22848ee3491061feaab9c8e708e04e5d34bc0d8b46e816e059e6616c0114cfe5f40aee935f9d5dee546a990efa3bca00bdec03bcc29fedad37d0dbda95ea

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\Custom.theme

                Filesize

                1KB

                MD5

                05471356f0ea1c0f5f5b8deb29c3ebd1

                SHA1

                12b14b737d1e0f76ca2494fb7a6841e5792a0504

                SHA256

                cf59479c75a8803468dd2a2c1d2803a2694c41992d5a0b3b65b1c69c28d1eac7

                SHA512

                942285259612792c2b3a45a65483e0775314841e397e815d447fd8f69f63f5de1ac48653a051c0121bd73415655c468772d39ce72bb1ba3d8ae367f78143502b

              • C:\Users\Admin\AppData\Local\Temp\15936.vbs

                Filesize

                218B

                MD5

                a5ffacb76079366b573d25fec3dccf7f

                SHA1

                5039dc66332fdade2b16d3b9065fb5fc9061f6ba

                SHA256

                24ab295f3ea0d46fc827398c8b1d3b23752de36c8100bcfc4b5f011915b4f4f8

                SHA512

                85b40e401e88dd13f84ec781956980c59ccb338f3953240da0be5bf17ce7d42d1654cada7e8fc70a52a2a1befb697f7ad63622c2f97f7659d481e315fb4f1046

              • C:\Users\Admin\AppData\Local\Temp\17787.vbs

                Filesize

                147B

                MD5

                9e058306bf7f9c484a7553dcd1a080ad

                SHA1

                98670b4b9c36eea14078343272418104aee382c0

                SHA256

                245c3a8cf02aa38b997b3a4eea47b1872c68d882a2e63c19e142b5f3e72a9d0c

                SHA512

                bd4455afc947671eae07099d026124aeeda1c2f0ecac05f1fdf48bbe7ad2213d42dc797282cf1e7a206232d2463d8765944e6e9db8ce5c404f64b6d0c6f16fa0

              • C:\Users\Admin\AppData\Local\Temp\25231.vbs

                Filesize

                128B

                MD5

                de77acb4970462a84d1418426ef768c0

                SHA1

                9f9420eecfda1a228b31ba6a7a7cac2a2885d59e

                SHA256

                533d3759b2dc9f801b1440002bbe45a19099d87378faa7cd1ca38b6ed15c91cf

                SHA512

                c9bd51a8f42d51e4ecf3b699aaf5c907fb85d4c727f376677604f7bac369740a13953631c4164c988707e64494c8ecb7164074b782ce2a544220b1abd0aef0dc

              • C:\Users\Admin\AppData\Local\Temp\55E.tmp\55F.tmp\560.bat

                Filesize

                7KB

                MD5

                481a357d27e7c1a2cfbe617f14600b8b

                SHA1

                5c29901995a3d345eaa0d3cc9ee763ec21638b89

                SHA256

                970b56f67e1996e434fc45c12b5157fb96ae4886b3ea4e77fad2e86fc78321aa

                SHA512

                3504010edfa0f8a17b888fdaa1631c5a2efc20a5689bb8cc06fe1a6a95067cc1ebd6ef52d2ea8c52867b7e16280292972025358beccf0937313822c6199b2bfd

              • C:\Users\Admin\AppData\Local\Temp\Automate.bat

                Filesize

                250B

                MD5

                cb76a038a0ae34ca1e27119b6e5db4c5

                SHA1

                54dd057ce3efe3658f3a57b90fd52966624b981c

                SHA256

                ba3f7b6b31df22c34158ab8a3e94527bb594a5a40142030f46efebe953b26794

                SHA512

                979e7ce5e532c5b8c79dbb82ff17b76ab40235afa44f30063184d02633527276d077fc9bf902b2570432037cf5ca484531541ff39945c06ab1ae1ba1ecb274eb

              • C:\Users\Admin\AppData\Local\Temp\Detect.bat

                Filesize

                111B

                MD5

                3cb76846869bcbb44cebf7c7e4c6218c

                SHA1

                6d05544d37255fff5b838d3f3b7e0113fbb67c03

                SHA256

                a6c5a78cb4cb2427005933c394abc76ed075e3c7fb996e14802b306a7838bcf2

                SHA512

                a6017cccc5692992bcd9069f4593d3d56af9146628d9716daa0a663941a22522d2fe265dc1bc727b9eaeef1b06027c6d2b077db9ee2ea73802621ff89c980e58

              • C:\Users\Admin\AppData\Local\Temp\Detect.vbs

                Filesize

                220B

                MD5

                0ba0411f0d555bebb7752316e799f779

                SHA1

                4bdc902ee5300a65a4bad277f2a8b0175da7674d

                SHA256

                d7c456e54e9a5621b7df7cce19994ac3dd348ee98b086ae43112348c7935da06

                SHA512

                6738b93630327a2c2ef326abc4b896533523c602d57cd8a2305b151efd1e727938f6afce4e090e92d74964a01d748666a24847d537caf46e1a562c98927f9275

              • C:\Users\Admin\AppData\Local\Temp\MEMZ.txt

                Filesize

                202B

                MD5

                c6e2a6fe68bdcf28fd4632bcdea5a8ee

                SHA1

                4b8239cdafbba61992260695dc0e5249e37cb18c

                SHA256

                1a790c636b4b92759ff47ea50792fec9d7da67d2764b49d64644fc562c35a908

                SHA512

                0115a40e16647873223d6450b00b2168a00282b6decebbd92722a64c9625bdfa79bc65645e8fe021f76201f72a78c46676037953ea2918114e26b1076a912067

              • C:\Users\Admin\AppData\Local\Temp\NirCmd.ps1

                Filesize

                104B

                MD5

                66f27c86f734b28d170f3c4e1db8958e

                SHA1

                25557a67a5dc675e518e1bd83b32d346cc95025c

                SHA256

                1e9a3e5b03f1f763274fd17b8f5c64e2629923dd0c9cfc94865eadef9c69e90b

                SHA512

                f793c9742586e3150974e490c849dd0ed7a6a57e31d7affcc02406662e81378218991e6dbe63105db01cf7c352f1e76b4e71249fe8781a880258f9e9cab7fd7d

              • C:\Users\Admin\AppData\Local\Temp\Test.bat

                Filesize

                18B

                MD5

                e57a11eb25dd25ed755c1839d0e4a9b7

                SHA1

                e26d908081f93f2f28cef5091fd43a3ca1920dcf

                SHA256

                c196c15d05b0197ea127877380a5001d6b294083c4fd92e62be55438e6a7bdff

                SHA512

                1e2b50c39b67f0f1ac0cec2126817b033355147923ae8303b82ea9e19194820e9796c5cbff4af4f89683b471f4b7262dbd3953bdd7d87bfcd2cdaaf0991ad607

              • C:\Users\Admin\AppData\Local\Temp\Test.vbs

                Filesize

                10B

                MD5

                7aba77b3cbdf0b7c78cee71d55dd6f50

                SHA1

                e1c06f4fc0029aa239aa2a8d5d6a0ec6bbd89516

                SHA256

                9b972e91c3c303336561ca43420e9a808c34812246b9fe6d85c22bf005254e3a

                SHA512

                d6e8770db9f96c32dc76fa2d8a78f50a24938be6e2aabd3214080a4db0ec497ec5ce6ae1b481d8b0bb442779812e7222e435d8f5e6b5dd763c46a959a4c14f34

              • C:\Users\Admin\AppData\Local\Temp\bsod.bat

                Filesize

                40B

                MD5

                e9ca92728d880c80a242d55390769d37

                SHA1

                c82e73e41912b3543150d2f8e520b77e66c64876

                SHA256

                a67f7e91a028d2695cdacf984b5fd2f33ee90e95d84467df1e33a94e3573e19e

                SHA512

                70fc9d051486e2ec964baefedf4fb8959baa3dee74887028dd4ff4337ecf0f70012c9eec855f1a65e9f141d3b76d9c616039a292e779ce690f1e191397eb088c

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

                Filesize

                7KB

                MD5

                7eb0b94b4d2d9d627a7ad4ad971c934a

                SHA1

                c90d4f5c0a33b70be0767f2537aee265560318a3

                SHA256

                9ec7327ef6df1812fe94e6daadb682afceef1ed201b5374456b29c4420450c36

                SHA512

                2bc8b6de6e31821e7828855f735377e3c741293e03bc759816f991b38c328e9e268e77e6e535605cb9803ee230f4509806b77aa3ec2f06d23ba804918ca87bc8

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

                Filesize

                7KB

                MD5

                7eb0b94b4d2d9d627a7ad4ad971c934a

                SHA1

                c90d4f5c0a33b70be0767f2537aee265560318a3

                SHA256

                9ec7327ef6df1812fe94e6daadb682afceef1ed201b5374456b29c4420450c36

                SHA512

                2bc8b6de6e31821e7828855f735377e3c741293e03bc759816f991b38c328e9e268e77e6e535605cb9803ee230f4509806b77aa3ec2f06d23ba804918ca87bc8

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

                Filesize

                7KB

                MD5

                7eb0b94b4d2d9d627a7ad4ad971c934a

                SHA1

                c90d4f5c0a33b70be0767f2537aee265560318a3

                SHA256

                9ec7327ef6df1812fe94e6daadb682afceef1ed201b5374456b29c4420450c36

                SHA512

                2bc8b6de6e31821e7828855f735377e3c741293e03bc759816f991b38c328e9e268e77e6e535605cb9803ee230f4509806b77aa3ec2f06d23ba804918ca87bc8

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HFVQGFA0X9CKXNGHSWUQ.temp

                Filesize

                7KB

                MD5

                7eb0b94b4d2d9d627a7ad4ad971c934a

                SHA1

                c90d4f5c0a33b70be0767f2537aee265560318a3

                SHA256

                9ec7327ef6df1812fe94e6daadb682afceef1ed201b5374456b29c4420450c36

                SHA512

                2bc8b6de6e31821e7828855f735377e3c741293e03bc759816f991b38c328e9e268e77e6e535605cb9803ee230f4509806b77aa3ec2f06d23ba804918ca87bc8

              • memory/392-269-0x00000000027A0000-0x0000000002820000-memory.dmp

                Filesize

                512KB

              • memory/392-213-0x000000001B1D0000-0x000000001B4B2000-memory.dmp

                Filesize

                2.9MB

              • memory/392-215-0x0000000001EC0000-0x0000000001EC8000-memory.dmp

                Filesize

                32KB

              • memory/392-225-0x00000000027A0000-0x0000000002820000-memory.dmp

                Filesize

                512KB

              • memory/392-228-0x00000000027A0000-0x0000000002820000-memory.dmp

                Filesize

                512KB

              • memory/392-230-0x00000000027A0000-0x0000000002820000-memory.dmp

                Filesize

                512KB

              • memory/392-232-0x00000000027A0000-0x0000000002820000-memory.dmp

                Filesize

                512KB

              • memory/1288-263-0x0000000002914000-0x0000000002917000-memory.dmp

                Filesize

                12KB

              • memory/1288-264-0x000000000291B000-0x0000000002952000-memory.dmp

                Filesize

                220KB

              • memory/1384-153-0x00000000023F0000-0x0000000002470000-memory.dmp

                Filesize

                512KB

              • memory/1384-155-0x00000000023F0000-0x0000000002470000-memory.dmp

                Filesize

                512KB

              • memory/1384-154-0x00000000023F0000-0x0000000002470000-memory.dmp

                Filesize

                512KB

              • memory/1384-151-0x000000001B3C0000-0x000000001B6A2000-memory.dmp

                Filesize

                2.9MB

              • memory/1384-152-0x0000000001EB0000-0x0000000001EB8000-memory.dmp

                Filesize

                32KB

              • memory/1384-156-0x00000000023F0000-0x0000000002470000-memory.dmp

                Filesize

                512KB

              • memory/1716-267-0x0000000002300000-0x0000000002380000-memory.dmp

                Filesize

                512KB

              • memory/1716-268-0x0000000002300000-0x0000000002380000-memory.dmp

                Filesize

                512KB

              • memory/1716-270-0x0000000002300000-0x0000000002380000-memory.dmp

                Filesize

                512KB

              • memory/1716-271-0x0000000002300000-0x0000000002380000-memory.dmp

                Filesize

                512KB

              • memory/1716-272-0x0000000002300000-0x0000000002380000-memory.dmp

                Filesize

                512KB

              • memory/1716-273-0x0000000002300000-0x0000000002380000-memory.dmp

                Filesize

                512KB

              • memory/1716-266-0x0000000002300000-0x0000000002380000-memory.dmp

                Filesize

                512KB

              • memory/1716-265-0x0000000002300000-0x0000000002380000-memory.dmp

                Filesize

                512KB