Resubmissions

31-01-2024 21:42

240131-1ktpsadab6 10

24-01-2024 07:47

240124-jml92sdcd6 10

23-01-2024 11:54

240123-n25r6ahhfk 10

24-06-2020 13:36

200624-enc457kzrj 10

Analysis

  • max time kernel
    7s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2024 21:42

General

  • Target

    A004BC8B4F3DB1EF5A66579B9746B5B1.dll

  • Size

    424KB

  • MD5

    a004bc8b4f3db1ef5a66579b9746b5b1

  • SHA1

    88a5fcebfd7a037a9ca9573772ac2334a61b25de

  • SHA256

    42bb5eae534eb2cea979c300b797a65febf291b28aea0b9d8bbea7d0a41bffa2

  • SHA512

    28aed111b2ecea90c2da03871f36272b8680d392c245fdf0e2f4d4454974a3a51d6744133cecfc2576bbc778742f9b824e8355026b53d029d13ff79bb2136f9b

  • SSDEEP

    6144:kQ0fpRug1NzpAhY2Zgi1ny2YT2oqCesyc+V6pDDW3FdREH5gH+xWz1:kQ0Rsg58Yti9y2voysiVmO3BlH+W

Malware Config

Extracted

Family

zloader

Botnet

June18newret

Campaign

June

C2

http://snnmnkxdhflwgthqismb.com/web/post.php

http://nlbmfsyplohyaicmxhum.com/web/post.php

http://softwareserviceupdater1.com/web/post.php

http://softwareserviceupdater2.com/web/post.php

Attributes
  • build_id

    3

rc4.plain
rsa_pubkey.plain

Signatures

  • Zloader, Terdot, DELoader, ZeusSphinx

    Zloader is a malware strain that was initially discovered back in August 2015.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\A004BC8B4F3DB1EF5A66579B9746B5B1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\A004BC8B4F3DB1EF5A66579B9746B5B1.dll,#1
      2⤵
        PID:2968
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe
          3⤵
            PID:2596
      • 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:2220
        • 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,0x7fef6799758,0x7fef6799768,0x7fef6799778
          2⤵
            PID:1684
          • 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=1084 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:2
            2⤵
              PID:2704
            • 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=1600 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:8
              2⤵
                PID:2820
              • 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=1516 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:8
                2⤵
                  PID:840
                • 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=2280 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:1
                  2⤵
                    PID:2912
                  • 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=2320 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:1
                    2⤵
                      PID:2828
                    • 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=1388 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:2
                      2⤵
                        PID:1468
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=3272 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:1
                        2⤵
                          PID:2192
                        • 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=3644 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:8
                          2⤵
                            PID:3004
                          • 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=3532 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:8
                            2⤵
                              PID:3000
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=3552 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:1
                              2⤵
                                PID:432
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=3896 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:1
                                2⤵
                                  PID:1192
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=3852 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:1
                                  2⤵
                                    PID:2612
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3924 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:8
                                    2⤵
                                      PID:2636
                                    • 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=2488 --field-trial-handle=1376,i,14609520333016615241,7501977442914536008,131072 /prefetch:8
                                      2⤵
                                        PID:1560
                                    • 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:524
                                      • C:\Windows\explorer.exe
                                        "C:\Windows\explorer.exe"
                                        1⤵
                                          PID:2996
                                        • C:\Windows\system32\AUDIODG.EXE
                                          C:\Windows\system32\AUDIODG.EXE 0x584
                                          1⤵
                                            PID:2192

                                          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

                                            e3598c31d5b657aba28a0f4c49e5b57f

                                            SHA1

                                            e3bf59c70ae2eb1762ac6e2520f79c6b85f77e9e

                                            SHA256

                                            6e0dddfe02155c6425a5cce606bc9f8d7f699c534d12dfc73375eea2d190db1c

                                            SHA512

                                            5dc98875f1ee99730847bba7f92ee92b241670cf391849d0be3c902e82a1b235ab9e0862556509a03c24860d71b999fc844b92cbc8b7eeb76a8cccdcf93024da

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

                                            Filesize

                                            519B

                                            MD5

                                            0bc6efdf82ea95b429ead216e3b48069

                                            SHA1

                                            de04b2b8961098f9b7ccb561166ecf66656dc012

                                            SHA256

                                            680db9549cbc8a2fcac5d677fc748810225be0ca3f30e985de50e9c97d4bbd99

                                            SHA512

                                            b97c34c3b1366a6089343e55e19f172ae1d31ddbe651be28348560372cb4a93916393f39f6aaf568886f0d6dffe3d52ff3a3682e7f29b25a3ab90ee1b9188fb5

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

                                            Filesize

                                            521B

                                            MD5

                                            27fba5989733a365e07ad13229ed8c18

                                            SHA1

                                            f3d31a828b35293723086579bd3c1bb396ba49b3

                                            SHA256

                                            7a1d1ee6b618da3c23263cc4745f4bdf121718c888d2869d4a931ec140d710ec

                                            SHA512

                                            f3154e60ed68e373618ce17ff308a898074fc6fcae4bfeb7267d2aaabe42bd3df62567d467be5fd94a6722b5cbc6fe3dcbc2d48ba6fffa7fd6509b7c83d8d60c

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

                                            Filesize

                                            4KB

                                            MD5

                                            df2096618ef7a6194f21a550a3bb92ac

                                            SHA1

                                            65639caaa1ead62abac056dc92c1567942e1055d

                                            SHA256

                                            8c6fa9c40e7bf767aee03c04830bba13fa44c3f20d506e649a8c5f6103e6ffdd

                                            SHA512

                                            c0727135924c89f1555b06f3e114487f11e65de4cd2427fa5effd2b69c4d2a269abb47757564f4d18ee593542aa5d68844447018baea7d2d30043066b2cf9e6e

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

                                            Filesize

                                            5KB

                                            MD5

                                            bf251ccc727a073fb64aa12ea2835854

                                            SHA1

                                            71d572fdd0660b831d9c2d4e96d6c1b8508cf69b

                                            SHA256

                                            96af7c724996f72da346f1d65ec3aaa50311d5e53f384ffffbdad9a2e47addbd

                                            SHA512

                                            9de45a1aabeed04552c7af0083c1bb311ef65342338cae5e40b212ac0306042b2dd07799d2a7d47dc2c1ecc1909d2b0fe7e1ac10d130a841a53d0a7ab7e363f0

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                                            Filesize

                                            16B

                                            MD5

                                            18e723571b00fb1694a3bad6c78e4054

                                            SHA1

                                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                            SHA256

                                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                            SHA512

                                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\d802ccc5-6766-43e5-be79-c7cb882325ef.tmp

                                            Filesize

                                            5KB

                                            MD5

                                            19da75138cff51a6b3d60c129b308a2e

                                            SHA1

                                            8fa184417367a1556f3024ca209a2c7c3d6a0d40

                                            SHA256

                                            90e53c0ce0bb3d3e079fb4a9b0a85936852642c7a069e17618c4ea137eb7bc84

                                            SHA512

                                            5ac4dad21f81d1cdff58e19392cf5841f6058980404b84538d44b125114854b74843212f79500ea322d1eeaf5d9d4ba8645c4f632acff40eb3119cec6810cba0

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

                                            Filesize

                                            264KB

                                            MD5

                                            f50f89a0a91564d0b8a211f8921aa7de

                                            SHA1

                                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                                            SHA256

                                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                            SHA512

                                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                                          • memory/2596-193-0x0000000000090000-0x00000000000BB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/2596-195-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2596-197-0x0000000000090000-0x00000000000BB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/2596-199-0x0000000000090000-0x00000000000BB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/2596-201-0x0000000000090000-0x00000000000BB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/2968-155-0x0000000010000000-0x0000000010F72000-memory.dmp

                                            Filesize

                                            15.4MB

                                          • memory/2968-150-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2968-149-0x0000000010000000-0x0000000010F72000-memory.dmp

                                            Filesize

                                            15.4MB

                                          • memory/2968-198-0x0000000010000000-0x0000000010F72000-memory.dmp

                                            Filesize

                                            15.4MB