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Resubmissions

14/10/2023, 12:48

231014-p1xktseb9s 4

14/10/2023, 12:03

231014-n799tsdf8w 3

14/10/2023, 11:00

231014-m4b27afa32 8

Analysis

  • max time kernel
    101s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 11:00

General

  • Target

    RPGMV-DECRYPTOR.exe

  • Size

    1.2MB

  • MD5

    1bdedbe20afb89236a7902804906aeda

  • SHA1

    bf9c619e4e672ee1bcb02139d938d8291f3aa1ce

  • SHA256

    f8df4d44bd5491dadfcf25353e38b192b629e4af2500bdc9a3816739d7bbd510

  • SHA512

    bfc75d03bd782d0d2d947b93d8c462a193e3e5bd22f42dc81e3fd1d490a6a9bce0564b756b4f43018b795bc9ec52b99c71d227bc7edfe353c90e39053a232464

  • SSDEEP

    24576:Z/0PTG+usn0/nCocageeHQ6i4W1RH0N7wqHrU26dPFJ9:Z/UTG9umnCoca+w6DW1+iMUzdPFJ

Score
8/10

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 5 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 50 IoCs
  • Suspicious use of SendNotifyMessage 48 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RPGMV-DECRYPTOR.exe
    "C:\Users\Admin\AppData\Local\Temp\RPGMV-DECRYPTOR.exe"
    1⤵
      PID:2596
    • C:\Program Files (x86)\Windows Media Player\setup_wm.exe
      "C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2500
      • C:\Windows\SysWOW64\unregmp2.exe
        C:\Windows\system32\unregmp2.exe /ShowWMP /SetShowState /CreateMediaLibrary
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\Windows\system32\unregmp2.exe
          "C:\Windows\SysNative\unregmp2.exe" /ShowWMP /SetShowState /CreateMediaLibrary /REENTRANT
          3⤵
          • Modifies Installed Components in the registry
          • Drops desktop.ini file(s)
          • Drops file in Program Files directory
          • Modifies registry class
          PID:2988
      • C:\Windows\SysWOW64\unregmp2.exe
        "C:\Windows\system32\unregmp2.exe" /PerformIndivIfNeeded
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3004
        • C:\Windows\system32\unregmp2.exe
          "C:\Windows\SysNative\unregmp2.exe" /PerformIndivIfNeeded /REENTRANT
          3⤵
            PID:3024
        • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
          "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Relaunch /Play C:\Users\Admin\Desktop\RedoPush.wm
          2⤵
            PID:3028
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe"
          1⤵
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:1424
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef5b49758,0x7fef5b49768,0x7fef5b49778
            2⤵
              PID:1084
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1160 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:2
              2⤵
                PID:2456
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1512 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:8
                2⤵
                  PID:2120
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1644 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:8
                  2⤵
                    PID:820
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2304 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:1
                    2⤵
                      PID:968
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2344 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:1
                      2⤵
                        PID:872
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1384 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:2
                        2⤵
                          PID:808
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1440 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:1
                          2⤵
                            PID:2688
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=1432 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:8
                            2⤵
                              PID:2968
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=1412 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:8
                              2⤵
                                PID:1644
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=3836 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:1
                                2⤵
                                  PID:3060
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=4396 --field-trial-handle=1180,i,1290582585167296588,11091726768395595439,131072 /prefetch:1
                                  2⤵
                                    PID:3004
                                • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                  "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                  1⤵
                                    PID:1308

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                                    Filesize

                                    264KB

                                    MD5

                                    f50f89a0a91564d0b8a211f8921aa7de

                                    SHA1

                                    112403a17dd69d5b9018b8cede023cb3b54eab7d

                                    SHA256

                                    b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                    SHA512

                                    bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                    Filesize

                                    4KB

                                    MD5

                                    a14254b84526ecf33028515520bfd9bd

                                    SHA1

                                    dc173299d8931075491f608513e38700de7e6dd3

                                    SHA256

                                    31859ec457c36e6f529d3bc3698ca7ac877bf9c212f014f624a2e40ec63892f4

                                    SHA512

                                    217faae42cdc7fdba312240d4e01f91d623b290e6951a6fc75a429a6556ac6e56476a6f3042fa393d7843e36bb9112e57e2260ba1162ba513e42d9b0df13df06

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                                    Filesize

                                    16B

                                    MD5

                                    18e723571b00fb1694a3bad6c78e4054

                                    SHA1

                                    afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                    SHA256

                                    8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                    SHA512

                                    43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                    Filesize

                                    199KB

                                    MD5

                                    b7da5339114b0bb81f5ac591f367bb0c

                                    SHA1

                                    f7d9b70b4a668caa8fca8d6f2b6dcfbb589911d2

                                    SHA256

                                    6477e463e529793c65c1323138d09edd6a1018949fe1be1fd5a902897e64ab96

                                    SHA512

                                    0694d4240a96607b8b6b8c98d3628f36fb63f7bf883d12dd40a7462f658b7796b277528ec7478eaf8c6bca15ca820486331f1aaf2591fdf8006b5536ccae09d3

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\e54e87fe-551a-4c1e-8237-eb5f3b923153.tmp

                                    Filesize

                                    199KB

                                    MD5

                                    6f26d1caf31277e6ddb8a1e369e9edd8

                                    SHA1

                                    25f735e3ccca730ae8c16337329fc20243c020e5

                                    SHA256

                                    7e2170a82ce799033b23b0f91ce87c53dbdc33aa885251d031f03915027db650

                                    SHA512

                                    588b14019176dddb6a6b6c197ce5d677019424bf820e88c329b8cac36dc6ab20e155dda11f4430fd6a695a63828bb40a332d3a241c9bbe6a1e37914058bd99be

                                  • C:\Users\Admin\AppData\Local\Temp\wmsetup.log

                                    Filesize

                                    3KB

                                    MD5

                                    c30a3ea88ca8f0efa8650224b507ac00

                                    SHA1

                                    5b5b7d06707d1f9d8f1c9a4a713e703b012bcdcb

                                    SHA256

                                    62408209775dba0bcaed0f21b75c22223b4e8583437306d83e01410fecfaeb92

                                    SHA512

                                    82bae1dee80bb332dbdcae2d62af935059ab35cf70d140e42ea4825cfc13d62d4044330fa493468cb3cfd2b06d38e54edbe8e3930c4762d206d3a7eaaa6cc0c0

                                  • C:\Users\Admin\AppData\Local\Temp\wmsetup.log

                                    Filesize

                                    3KB

                                    MD5

                                    e4a2989679c757f5d1162ae66a75d47b

                                    SHA1

                                    b14243d035e483128e1a6ccefe6777dcc1942ce3

                                    SHA256

                                    4725b97222b42a44cc957b48d02378f23f526d74128711353dd7d3ede9b904ec

                                    SHA512

                                    fc3cf4dd6987971998094b44b22ebe994908ca0e3ad09d0a37f5a34ff1e2793e052d1ac5babd4d3b85312a6d0fce076064f4cac8407910a7c6f2a91c47117ee3

                                  • memory/3024-2-0x000007FEF6870000-0x000007FEF6932000-memory.dmp

                                    Filesize

                                    776KB

                                  • memory/3024-30-0x000007FEF4E10000-0x000007FEF4EE1000-memory.dmp

                                    Filesize

                                    836KB

                                  • memory/3024-29-0x000007FEF6870000-0x000007FEF6932000-memory.dmp

                                    Filesize

                                    776KB

                                  • memory/3024-32-0x000007FEF4EF0000-0x000007FEF5018000-memory.dmp

                                    Filesize

                                    1.2MB

                                  • memory/3024-33-0x000007FEF4E10000-0x000007FEF4EE1000-memory.dmp

                                    Filesize

                                    836KB

                                  • memory/3024-22-0x000007FEF4EF0000-0x000007FEF5018000-memory.dmp

                                    Filesize

                                    1.2MB

                                  • memory/3024-14-0x000007FEF4E10000-0x000007FEF4EE1000-memory.dmp

                                    Filesize

                                    836KB

                                  • memory/3024-13-0x000007FEF4EF0000-0x000007FEF5018000-memory.dmp

                                    Filesize

                                    1.2MB

                                  • memory/3028-185-0x0000000002EE0000-0x0000000002EE2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3028-192-0x0000000072FB0000-0x00000000730A1000-memory.dmp

                                    Filesize

                                    964KB

                                  • memory/3028-20-0x0000000000140000-0x0000000000141000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3028-186-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-191-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-190-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-189-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-188-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-187-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-6-0x0000000000140000-0x0000000000141000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3028-193-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-194-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-195-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-196-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-197-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-198-0x0000000003510000-0x000000000351A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3028-199-0x0000000072FB0000-0x00000000730A1000-memory.dmp

                                    Filesize

                                    964KB