Analysis

  • max time kernel
    280s
  • max time network
    282s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2024 15:03

General

  • Target

    decrypted.exe

  • Size

    11.7MB

  • MD5

    53ce8ea949f61a9b11651c8eafecff76

  • SHA1

    5cb51086968929125d0615739c380ff142e6ff55

  • SHA256

    58e38db883597286180f4a5bb97386c6b8c5c400a8b1ca7254f3da7ef40acf9c

  • SHA512

    e43d409f65c8e0cda692e3c1d2e1cf221b8995de9aef84b0c1429459c7c4a27979a8ce2aba7f89557db6ab2d78a1f37b26c99a7f90636e7e606c49c6a3715c73

  • SSDEEP

    196608:g0hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhv:gXsJYxjo42bIImyaBFmY4ceu+C+n

Malware Config

Signatures

  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Office loads VBA resources, possible macro or embedded object present
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\decrypted.exe
    "C:\Users\Admin\AppData\Local\Temp\decrypted.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Temp\is-JGG96.tmp\decrypted.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JGG96.tmp\decrypted.tmp" /SL5="$D0150,11050682,1125376,C:\Users\Admin\AppData\Local\Temp\decrypted.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:840
      • C:\Users\Admin\AppData\Local\Temp\decrypted.exe
        "C:\Users\Admin\AppData\Local\Temp\decrypted.exe" /VERYSILENT /NORESTART
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2392
        • C:\Users\Admin\AppData\Local\Temp\is-S4T33.tmp\decrypted.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-S4T33.tmp\decrypted.tmp" /SL5="$E0150,11050682,1125376,C:\Users\Admin\AppData\Local\Temp\decrypted.exe" /VERYSILENT /NORESTART
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2136
          • C:\Windows\system32\cmd.exe
            "cmd.exe" /C tasklist /FI "IMAGENAME eq wrsa.exe" /FO CSV /NH | find /I "wrsa.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1620
            • C:\Windows\system32\tasklist.exe
              tasklist /FI "IMAGENAME eq wrsa.exe" /FO CSV /NH
              6⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2300
            • C:\Windows\system32\find.exe
              find /I "wrsa.exe"
              6⤵
                PID:1284
            • C:\Windows\system32\cmd.exe
              "cmd.exe" /C tasklist /FI "IMAGENAME eq opssvc.exe" /FO CSV /NH | find /I "opssvc.exe"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:932
              • C:\Windows\system32\tasklist.exe
                tasklist /FI "IMAGENAME eq opssvc.exe" /FO CSV /NH
                6⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:568
              • C:\Windows\system32\find.exe
                find /I "opssvc.exe"
                6⤵
                  PID:588
              • C:\Windows\system32\cmd.exe
                "cmd.exe" /C tasklist /FI "IMAGENAME eq avastui.exe" /FO CSV /NH | find /I "avastui.exe"
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:1904
                • C:\Windows\system32\tasklist.exe
                  tasklist /FI "IMAGENAME eq avastui.exe" /FO CSV /NH
                  6⤵
                  • Enumerates processes with tasklist
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2124
                • C:\Windows\system32\find.exe
                  find /I "avastui.exe"
                  6⤵
                    PID:2420
                • C:\Windows\system32\cmd.exe
                  "cmd.exe" /C tasklist /FI "IMAGENAME eq avgui.exe" /FO CSV /NH | find /I "avgui.exe"
                  5⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1396
                  • C:\Windows\system32\tasklist.exe
                    tasklist /FI "IMAGENAME eq avgui.exe" /FO CSV /NH
                    6⤵
                    • Enumerates processes with tasklist
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2176
                  • C:\Windows\system32\find.exe
                    find /I "avgui.exe"
                    6⤵
                      PID:2172
                  • C:\Windows\system32\cmd.exe
                    "cmd.exe" /C tasklist /FI "IMAGENAME eq nswscsvc.exe" /FO CSV /NH | find /I "nswscsvc.exe"
                    5⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2532
                    • C:\Windows\system32\tasklist.exe
                      tasklist /FI "IMAGENAME eq nswscsvc.exe" /FO CSV /NH
                      6⤵
                      • Enumerates processes with tasklist
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2196
                    • C:\Windows\system32\find.exe
                      find /I "nswscsvc.exe"
                      6⤵
                        PID:2480
                    • C:\Windows\system32\cmd.exe
                      "cmd.exe" /C tasklist /FI "IMAGENAME eq sophoshealth.exe" /FO CSV /NH | find /I "sophoshealth.exe"
                      5⤵
                        PID:2416
                        • C:\Windows\system32\tasklist.exe
                          tasklist /FI "IMAGENAME eq sophoshealth.exe" /FO CSV /NH
                          6⤵
                          • Enumerates processes with tasklist
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2188
                        • C:\Windows\system32\find.exe
                          find /I "sophoshealth.exe"
                          6⤵
                            PID:1628
                        • C:\Users\Admin\AppData\Local\fragaria\AutoIt3.exe
                          "C:\Users\Admin\AppData\Local\fragaria\\AutoIt3.exe" "C:\Users\Admin\AppData\Local\fragaria\\VSIXConfigurationUpdater1.a3x"
                          5⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1400
                          • C:\Windows\SysWOW64\cmd.exe
                            "C:\Windows\System32\cmd.exe" /c ping -n 5 127.0.0.1 >nul && AutoIt3.exe C:\ProgramData\\Z9dGek.a3x && del C:\ProgramData\\Z9dGek.a3x
                            6⤵
                            • Loads dropped DLL
                            • System Location Discovery: System Language Discovery
                            • System Network Configuration Discovery: Internet Connection Discovery
                            PID:3016
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 5 127.0.0.1
                              7⤵
                              • System Location Discovery: System Language Discovery
                              • System Network Configuration Discovery: Internet Connection Discovery
                              • Runs ping.exe
                              PID:2508
                            • C:\Users\Admin\AppData\Local\fragaria\AutoIt3.exe
                              AutoIt3.exe C:\ProgramData\\Z9dGek.a3x
                              7⤵
                              • Executes dropped EXE
                              • Adds Run key to start application
                              • Suspicious use of SetThreadContext
                              • System Location Discovery: System Language Discovery
                              • Checks processor information in registry
                              PID:1316
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                                C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                                8⤵
                                • System Location Discovery: System Language Discovery
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of SetWindowsHookEx
                                PID:996
                • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
                  "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\Desktop\TraceDismount.docx"
                  1⤵
                  • Drops file in Windows directory
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: AddClipboardFormatListener
                  • Suspicious use of SetWindowsHookEx
                  PID:1588

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\tmp45F8.tmp

                  Filesize

                  20KB

                  MD5

                  c9ff7748d8fcef4cf84a5501e996a641

                  SHA1

                  02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

                  SHA256

                  4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

                  SHA512

                  d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

                • C:\Users\Admin\AppData\Local\fragaria\VSIXConfigurationUpdater.wav

                  Filesize

                  939KB

                  MD5

                  c25a5d1ff98e3558b128797de0f7ede8

                  SHA1

                  e6b742ba4fa0836f16b135ab530391ea52e7a83c

                  SHA256

                  7344920e5ee6ff4f75013be233fea20b872bd4d9adcf0434eaeebcba79099819

                  SHA512

                  f515507befee96cf2f86db0db2c8dda831063900729e0449df0f32a88c76c7752ee364d5d1e072175b5a9eccd6f54f72e5c08656b5bf8d711a414ceda91aa5c0

                • C:\Users\Admin\AppData\Local\fragaria\VSIXConfigurationUpdater1.a3x

                  Filesize

                  60KB

                  MD5

                  292aad866f9decedfdb2b3126fab6061

                  SHA1

                  ea5273f207b22196dbed7e1ddc691ce4418a6d87

                  SHA256

                  5da1f6349763ccbf7ada3167e0a8e1eeeb158c6cdd0b2aee8f9278812be0d59b

                  SHA512

                  750573570f029858d689836c8ec7e49f9e3646783adeb34597a7cfd6411a86b2aa060626e7ed9d97ec7dac15d295b36ed03225fdd4238aad59cf2851c91a0119

                • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

                  Filesize

                  19KB

                  MD5

                  a6c137e6c8d2b7b472996cd64c4ad1b4

                  SHA1

                  115129e91f92e48608c1b59cfb15d50a23fdd63f

                  SHA256

                  9e3633dfd7ea5f34fe9afea541394405d6203874e56ba0238011cd1398035773

                  SHA512

                  1ae659454cc6e84c12080e220c9043441dea2450545321f4eb321f9c2909fe6bfefa7e674d3335571e11e4ac98134e9245f87c5e268dfa7ce432a640784fd5e0

                • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

                  Filesize

                  2B

                  MD5

                  f3b25701fe362ec84616a93a45ce9998

                  SHA1

                  d62636d8caec13f04e28442a0a6fa1afeb024bbb

                  SHA256

                  b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                  SHA512

                  98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

                • \Users\Admin\AppData\Local\Temp\is-77IVM.tmp\_isetup\_iscrypt.dll

                  Filesize

                  2KB

                  MD5

                  a69559718ab506675e907fe49deb71e9

                  SHA1

                  bc8f404ffdb1960b50c12ff9413c893b56f2e36f

                  SHA256

                  2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

                  SHA512

                  e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

                • \Users\Admin\AppData\Local\Temp\is-JGG96.tmp\decrypted.tmp

                  Filesize

                  3.4MB

                  MD5

                  edf47d593acf0e39438d621e8357ad34

                  SHA1

                  5732a17515b0112ce47637393043a1a2e4836218

                  SHA256

                  5f0f2e763c33ef0d3bb30041927a39191a257b533e16f1f89bf2939d669c9412

                  SHA512

                  8f49244aa4d4ba31ecef404b9f42b7e9798951a8065dea3699e10464ab676f72227c3084e51c7c256e385605cfa95a35bd88fff01477ecf426153ffcf2f9994f

                • \Users\Admin\AppData\Local\fragaria\AutoIt3.exe

                  Filesize

                  921KB

                  MD5

                  3f58a517f1f4796225137e7659ad2adb

                  SHA1

                  e264ba0e9987b0ad0812e5dd4dd3075531cfe269

                  SHA256

                  1da298cab4d537b0b7b5dabf09bff6a212b9e45731e0cc772f99026005fb9e48

                  SHA512

                  acf740aafce390d06c6a76c84e7ae7c0f721731973aadbe3e57f2eb63241a01303cc6bf11a3f9a88f8be0237998b5772bdaf569137d63ba3d0f877e7d27fc634

                • memory/840-15-0x0000000000E10000-0x0000000001190000-memory.dmp

                  Filesize

                  3.5MB

                • memory/840-8-0x0000000000110000-0x0000000000111000-memory.dmp

                  Filesize

                  4KB

                • memory/996-195-0x0000000000400000-0x00000000004C6000-memory.dmp

                  Filesize

                  792KB

                • memory/996-194-0x0000000000400000-0x00000000004C6000-memory.dmp

                  Filesize

                  792KB

                • memory/996-192-0x0000000000400000-0x00000000004C6000-memory.dmp

                  Filesize

                  792KB

                • memory/996-193-0x0000000000400000-0x00000000004C6000-memory.dmp

                  Filesize

                  792KB

                • memory/1588-220-0x000000005FFF0000-0x0000000060000000-memory.dmp

                  Filesize

                  64KB

                • memory/1588-256-0x000000005FFF0000-0x0000000060000000-memory.dmp

                  Filesize

                  64KB

                • memory/2136-180-0x0000000001220000-0x00000000015A0000-memory.dmp

                  Filesize

                  3.5MB

                • memory/2392-16-0x0000000000090000-0x00000000001B1000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2392-182-0x0000000000090000-0x00000000001B1000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2828-19-0x0000000000090000-0x00000000001B1000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2828-1-0x0000000000090000-0x00000000001B1000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2828-2-0x0000000000091000-0x0000000000139000-memory.dmp

                  Filesize

                  672KB