Analysis

  • max time kernel
    1199s
  • max time network
    1113s
  • platform
    windows10-1703_x64
  • resource
    win10-20240214-en
  • resource tags

    arch:x64arch:x86image:win10-20240214-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13-03-2024 23:52

General

  • Target

    xjyn487lg15.zip

  • Size

    3.2MB

  • MD5

    03559a8c6820b6981a18afbc3fa23fb8

  • SHA1

    9ed15225d4ca99391418de34c00cff095c2f39fe

  • SHA256

    b3c2ffb8ec35de151722defc6fcf092a7a379b266a7f8dde446a521d40327610

  • SHA512

    45dc211f0ee19efd0f1e2fd48dc520ab140fba7ad9d05a9c862ca06fbccc0d26b724108cfcb028c3ecb089b1bcb1909d6cb48622fcf275fe598c81dbea20f6ba

  • SSDEEP

    98304:V3vgFt0a39CLgMBznNQIXKmN1OwamtCz6QkX8ETCAV:V3vgFt0qijlaIXfy88ET3V

Malware Config

Extracted

Family

bumblebee

Botnet

asd1234

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a loader malware written in C++.

  • Loads dropped DLL 5 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\xjyn487lg15.zip
    1⤵
      PID:3804
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4756
      • 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=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffbf8d29758,0x7ffbf8d29768,0x7ffbf8d29778
        2⤵
          PID:3944
        • 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=1644 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:2
          2⤵
            PID:1424
          • 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=1840 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:8
            2⤵
              PID:2832
            • 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=2088 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:8
              2⤵
                PID:4340
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2980 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:1
                2⤵
                  PID:1376
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2988 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:1
                  2⤵
                    PID:4500
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4044 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:1
                    2⤵
                      PID:4116
                    • 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=4664 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:8
                      2⤵
                        PID:4532
                      • 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=4676 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:8
                        2⤵
                          PID:648
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4920 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:8
                          2⤵
                            PID:2876
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5020 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:8
                            2⤵
                              PID:2176
                            • 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=4768 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:8
                              2⤵
                                PID:376
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.15063.0 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2028 --field-trial-handle=1796,i,1534583445297969843,2607120183238708431,131072 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3708
                            • 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:4696
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:316
                                • C:\Program Files\7-Zip\7zG.exe
                                  "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\" -an -ai#7zMap29337:102:7zEvent2748
                                  1⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of FindShellTrayWindow
                                  PID:4516
                                • C:\Windows\system32\cmd.exe
                                  "C:\Windows\system32\cmd.exe"
                                  1⤵
                                    PID:3912
                                    • C:\Windows\system32\rundll32.exe
                                      rundll32 xjyn487lg15.dll,#1
                                      2⤵
                                        PID:980
                                      • C:\Windows\system32\rundll32.exe
                                        rundll32 xjyn487lg15.dll,#2
                                        2⤵
                                          PID:2924
                                        • C:\Windows\system32\xcopy.exe
                                          xcopy xjyn487lg15.dll x.dll
                                          2⤵
                                            PID:3804
                                          • C:\Windows\system32\rundll32.exe
                                            rundll32 x.dll,#2
                                            2⤵
                                              PID:1528
                                            • C:\Windows\system32\rundll32.exe
                                              rundll32 xjyn487lg15.dll,#2
                                              2⤵
                                              • Loads dropped DLL
                                              PID:1996
                                            • C:\Windows\system32\rundll32.exe
                                              rundll32 xjyn487lg15.dll,#1
                                              2⤵
                                              • Loads dropped DLL
                                              • Suspicious use of NtCreateThreadExHideFromDebugger
                                              PID:772
                                            • C:\Windows\system32\regsvr32.exe
                                              regsvr32 xjyn487lg15.dll
                                              2⤵
                                              • Loads dropped DLL
                                              PID:2712
                                            • C:\Windows\system32\regsvr32.exe
                                              regsvr32 /s xjyn487lg15.dll
                                              2⤵
                                              • Loads dropped DLL
                                              PID:4536
                                            • C:\Windows\system32\rundll32.exe
                                              rundll32 xjyn487lg15.dll,#1
                                              2⤵
                                              • Loads dropped DLL
                                              • Suspicious use of NtCreateThreadExHideFromDebugger
                                              PID:980
                                          • C:\Program Files\7-Zip\7zG.exe
                                            "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\xjyn487lg15\" -spe -an -ai#7zMap19871:102:7zEvent32097
                                            1⤵
                                            • Suspicious use of FindShellTrayWindow
                                            PID:2404

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

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

                                            Filesize

                                            1KB

                                            MD5

                                            6496cfff68a660e02616c20d98756aa4

                                            SHA1

                                            acdd59547bc371df84e7436db6dec6143ec387ae

                                            SHA256

                                            b0ee4799be6bebe56e4e8c60292fe3908367c5e6321034eebcc70f7e61c93241

                                            SHA512

                                            e9e857055b8cd3f16d3d5f5d3d6335fb4dd2c92297ae07e01ee291e0617d16419d89292e6ac3cf82e15ffb04f72da66a787d17cb57d66a51ca2d0e100b970706

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

                                            Filesize

                                            1018B

                                            MD5

                                            2d8d076659e1bfd01d29bcd2c1ec1bb2

                                            SHA1

                                            17fc25a3c2416ca0d13108b816092cefd9a44cb2

                                            SHA256

                                            56196a0840f66580ab93bbaef0a0b917e38969cd80de672b038a08c03dc1b3a9

                                            SHA512

                                            c536be29bd77c74db133b28a252dc27f578f7852b33838df111f663b18fbfcd2fac92e6f1e3b0770b901feb9b12daf13dd79a5976f1cc5668992bf317451d4f1

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

                                            Filesize

                                            371B

                                            MD5

                                            fb4734b579a4a47c9f757f2d36d3dbb2

                                            SHA1

                                            abd79b07d08abb2757fb357748d8f4a71856d424

                                            SHA256

                                            72dd62a0e7d6b8665631d1efa628f4859b9d259180a2fd3d453a39fcc758a8c8

                                            SHA512

                                            d7b206483a887fd0d1e2a23bad8cd02c84213f0fcc8cc7ae0ca88d75e157f1449682f485167372fdd1eb6bf92b37f0af0344ff669af7f547651a67994f60677e

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

                                            Filesize

                                            5KB

                                            MD5

                                            3a73c8d8457573a90e9d77a01dc81cd9

                                            SHA1

                                            3d7df983835e67d529cebe9ed2147754a3e3f236

                                            SHA256

                                            77d77e072ea77cabc833fe8511843d4d88b35adf65725ab9ab366ef610d74ce8

                                            SHA512

                                            11ab42ab622a264ad75e4a8826904c3aa881a54f7df9743a5c0dd3a07a0ffe60d61994acb5b8cc7754e78bafb9fd38a2a5eff67b55cc028130e3106c5d31959e

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

                                            Filesize

                                            5KB

                                            MD5

                                            b5d165d6babf4e170bf502d90f5cd3e5

                                            SHA1

                                            de329812a8be9b8f0f70e55c451af0efa5381548

                                            SHA256

                                            bdcf8c4e51dac2a87af60ff138853cd3e5bccd4b1b634a448715ae083b15c509

                                            SHA512

                                            f466001482de3969bf704e11f7fe88ca9dd449ebb0c377868192ab4e7fc2354452669738f11bddf54b57566850d1e655b269c0a89416551cd062dba4b94e0933

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

                                            Filesize

                                            5KB

                                            MD5

                                            206c2bec641818d4b115e5699ab75c1b

                                            SHA1

                                            d93c6659e94ad0f6181be044a2d8a67f07dcafcd

                                            SHA256

                                            00e17f7aadaf971e01c5ae0ada77e1b04f2269b77f5313441397001f197d0858

                                            SHA512

                                            44a8c7f5af936322cb7764359dacddd9299367fb761ce6ce9515d5f65a6123cb6a37e41b7941e4c34f583b764245cd0277e5344645d676deb43b5be8626597f1

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

                                            Filesize

                                            12KB

                                            MD5

                                            ec70204f259033b972b81de0d7284fd7

                                            SHA1

                                            198685f1c300bcaa9a4bb76d3aa8024b17b12344

                                            SHA256

                                            7561341090bb922ff0ecdf430a338abb05e75f8235bfca80e1ee19df088c24bd

                                            SHA512

                                            7d2011f155a96e45b04d6eb479a6a1de5c0824a1dacb6816319ea1bed41257d2c13d5ace108c2053e78c9bc5df156b223e4c01d05b1fd0279b51fada783362c0

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

                                            Filesize

                                            258KB

                                            MD5

                                            67a9c9e6a8fa515d38ac72ba51aeb190

                                            SHA1

                                            79fb3a8363b12ad5ba0582983e94ac4c666f01ec

                                            SHA256

                                            10ce4f1bb8cab4b55695c69112dfdfa63a75323d971753ae4b59670c125a80fb

                                            SHA512

                                            f93c009eade5463343e0cab754c57a1a6d1b23dd1c5d88cde100b2c8ff6408ea937878f67983e36c820a22b0e04e4a68065a748e3073c5e1a9faa213fa3d2120

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                            Filesize

                                            2B

                                            MD5

                                            99914b932bd37a50b983c5e7c90ae93b

                                            SHA1

                                            bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                            SHA256

                                            44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                            SHA512

                                            27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                                          • C:\Users\Admin\AppData\Local\Temp\x.dll

                                            Filesize

                                            3.6MB

                                            MD5

                                            f5fdaef255cb4c1cc746e7c155e2d417

                                            SHA1

                                            c50f18552c09be9f8c387c7083af8a3629d03bde

                                            SHA256

                                            b8f199bbced2e02ef42c8ec539c4be62ad86aa54915d5f5aeb3f3d659d49f08c

                                            SHA512

                                            7abed4dd3a73997023e868e17464c7eacf4927ea294f99cd0dacf8520c03e3333a5be55d33f378f008386648c1fedad77fac912f9d21452fc509297226b59c7d

                                          • C:\Users\Admin\AppData\Local\Temp\xjyn487lg15.dll

                                            Filesize

                                            3.6MB

                                            MD5

                                            5d848f21c7484389aafe09db9aa89765

                                            SHA1

                                            26d49b1b5c9d2263e45e16f51c509ed81f431d4f

                                            SHA256

                                            120ffa5829a96ec136fa0a240593b24c062e4901193fd4c43a18f0e16a94b0a9

                                            SHA512

                                            3a242201150c141809f0b8d41a509de180d5c167904816d36e6b907a798d57fba512c7ab319d632c840820916c658a2a380d93db41ac1d8c2b977825f4e88a29

                                          • C:\Users\Admin\AppData\Local\Temp\xjyn487lg15\xjyn487lg15.dll

                                            Filesize

                                            3.5MB

                                            MD5

                                            cc4662de834bb35ab261e04cd1acc148

                                            SHA1

                                            243805e05b836436ff99a12168f844a4ce00a019

                                            SHA256

                                            4ab1cd5c0219bbac5a821f7cae49488b60c62b7e8ce4ad25b43f844e481b3119

                                            SHA512

                                            d8be5130c8fa8431087a1b6c569b3b9146b07d3748654ffe56c38c91e8a26909a89f124dd85680358100c5c56c7e6bede452c1873be134d06accabc8da1ea54f

                                          • \Users\Admin\AppData\Local\Temp\xjyn487lg15\xjyn487lg15.dll

                                            Filesize

                                            3.3MB

                                            MD5

                                            ee60775a541e81971e27f8b294b417b2

                                            SHA1

                                            b502770b1e3ec020750b2c4f0e64c875b9cadc77

                                            SHA256

                                            433c3e979f3a2486ad8295c5a9b28d4de7cbc7b02934d572274f98e060c79662

                                            SHA512

                                            15d7383ad808b4f58fc926ba52968561a019f54b99d20bf30452ad983be1499c43ffb80b95dc65556e98b2a5cf267804d40670666b1f20be3dee8aeba1291b49

                                          • memory/772-110-0x0000015428D80000-0x0000015428F98000-memory.dmp

                                            Filesize

                                            2.1MB

                                          • memory/772-113-0x00007FFC04770000-0x00007FFC0494B000-memory.dmp

                                            Filesize

                                            1.9MB

                                          • memory/772-112-0x00007FFC04770000-0x00007FFC0494B000-memory.dmp

                                            Filesize

                                            1.9MB

                                          • memory/772-111-0x0000015428B40000-0x0000015428D77000-memory.dmp

                                            Filesize

                                            2.2MB

                                          • memory/980-121-0x00000201EDF60000-0x00000201EE197000-memory.dmp

                                            Filesize

                                            2.2MB

                                          • memory/980-120-0x00000201EE1A0000-0x00000201EE3B8000-memory.dmp

                                            Filesize

                                            2.1MB

                                          • memory/980-122-0x00007FFC04770000-0x00007FFC0494B000-memory.dmp

                                            Filesize

                                            1.9MB

                                          • memory/980-123-0x00007FFC04770000-0x00007FFC0494B000-memory.dmp

                                            Filesize

                                            1.9MB