Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    19-04-2021 21:16

General

  • Target

    Invoice PDF.jar

  • Size

    643KB

  • MD5

    903b63e35bf8738809eab0f187027daf

  • SHA1

    257ff2ca9d7848e7c411790c3fa88a0aea479079

  • SHA256

    bdfe705deebedf2b4edd1fee5bb225f3a14718f0a1007553fec5050db0f7fe08

  • SHA512

    2c2145d002020579a5717ab480d0689a71428fe69366de525d68da28c048fc7bbc6068608113756c55164932edaf8700118e9a6c8158c3902b7a0a20f0a03638

Malware Config

Signatures

  • AdWind

    A Java-based RAT family operated as malware-as-a-service.

  • Disables use of System Restore points 1 TTPs
  • Sets file execution options in registry 2 TTPs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 7 IoCs
  • Runs .reg file with regedit 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\Invoice PDF.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\system32\wscript.exe
      wscript C:\Users\Admin\bgddtomvyl.js
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\regedit.exe
        "regedit.exe" "C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg"
        3⤵
        • Runs .reg file with regedit
        PID:1752
      • C:\Program Files\Java\jre7\bin\javaw.exe
        "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\wegcxp.txt"
        3⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:432
        • C:\Program Files\Java\jre7\bin\java.exe
          "C:\Program Files\Java\jre7\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.9043595771383587718148004591102905.class
          4⤵
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:904
          • C:\Windows\system32\cmd.exe
            cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive5540188674735111306.vbs
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1736
            • C:\Windows\system32\cscript.exe
              cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive5540188674735111306.vbs
              6⤵
                PID:520
            • C:\Windows\system32\cmd.exe
              cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6634294418273158010.vbs
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1828
              • C:\Windows\system32\cscript.exe
                cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6634294418273158010.vbs
                6⤵
                  PID:1896
              • C:\Windows\system32\xcopy.exe
                xcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e
                5⤵
                  PID:1216
              • C:\Windows\system32\cmd.exe
                cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7903032257480126924.vbs
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1396
                • C:\Windows\system32\cscript.exe
                  cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7903032257480126924.vbs
                  5⤵
                    PID:1088
                • C:\Windows\system32\cmd.exe
                  cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6520444033690380462.vbs
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1748
                  • C:\Windows\system32\cscript.exe
                    cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6520444033690380462.vbs
                    5⤵
                      PID:1968
                  • C:\Windows\system32\xcopy.exe
                    xcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e
                    4⤵
                      PID:1616
                    • C:\Windows\system32\cmd.exe
                      cmd.exe
                      4⤵
                        PID:1772
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c regedit.exe /s C:\Users\Admin\AppData\Local\Temp\EjebrKlroE1818567342253692922.reg
                        4⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1964
                        • C:\Windows\regedit.exe
                          regedit.exe /s C:\Users\Admin\AppData\Local\Temp\EjebrKlroE1818567342253692922.reg
                          5⤵
                          • Runs .reg file with regedit
                          PID:1052
                      • C:\Windows\system32\taskkill.exe
                        taskkill /IM ProcessHacker.exe /T /F
                        4⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1332
                      • C:\Windows\system32\taskkill.exe
                        taskkill /IM procexp.exe /T /F
                        4⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:952
                      • C:\Windows\system32\taskkill.exe
                        taskkill /IM MSASCui.exe /T /F
                        4⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1700
                      • C:\Windows\system32\taskkill.exe
                        taskkill /IM MsMpEng.exe /T /F
                        4⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1340
                      • C:\Windows\system32\taskkill.exe
                        taskkill /IM MpUXSrv.exe /T /F
                        4⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1740
                      • C:\Windows\System32\Wbem\WMIC.exe
                        WMIC /Node:localhost /Namespace:\\root\cimv2 Path Win32_PnpSignedDriver Get /Format:List
                        4⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1956
                      • C:\Windows\system32\taskkill.exe
                        taskkill /IM MpCmdRun.exe /T /F
                        4⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2036
                      • C:\Windows\system32\taskkill.exe
                        taskkill /IM NisSrv.exe /T /F
                        4⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1308

                Network

                MITRE ATT&CK Matrix ATT&CK v6

                Persistence

                Registry Run Keys / Startup Folder

                1
                T1060

                Defense Evasion

                Modify Registry

                1
                T1112

                Discovery

                System Information Discovery

                1
                T1082

                Impact

                Inhibit System Recovery

                1
                T1490

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\EjebrKlroE1818567342253692922.reg
                  MD5

                  867b59911af96958b890524cd9002132

                  SHA1

                  c8608b295945ac0ad6bd0a7c4ce04579494da971

                  SHA256

                  ed7fd6c48c814d80dcb80d36c3ee8686e48979bec7a289b2612d4ef71f59756c

                  SHA512

                  7e5c03ded713eec2e1b268e09f9777a8cb2f6868bb25941a3a008cba91551e36dc28275352af5211151aa78e2c8b3c8347ba8044b31f29c3718c4e5a70fe742c

                • C:\Users\Admin\AppData\Local\Temp\Retrive5540188674735111306.vbs
                  MD5

                  3bdfd33017806b85949b6faa7d4b98e4

                  SHA1

                  f92844fee69ef98db6e68931adfaa9a0a0f8ce66

                  SHA256

                  9da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6

                  SHA512

                  ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429

                • C:\Users\Admin\AppData\Local\Temp\Retrive6520444033690380462.vbs
                  MD5

                  a32c109297ed1ca155598cd295c26611

                  SHA1

                  dc4a1fdbaad15ddd6fe22d3907c6b03727b71510

                  SHA256

                  45bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7

                  SHA512

                  70372552dc86fe02ece9fe3b7721463f80be07a34126b2c75b41e30078cda9e90744c7d644df623f63d4fb985482e345b3351c4d3da873162152c67fc6ecc887

                • C:\Users\Admin\AppData\Local\Temp\Retrive6634294418273158010.vbs
                  MD5

                  a32c109297ed1ca155598cd295c26611

                  SHA1

                  dc4a1fdbaad15ddd6fe22d3907c6b03727b71510

                  SHA256

                  45bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7

                  SHA512

                  70372552dc86fe02ece9fe3b7721463f80be07a34126b2c75b41e30078cda9e90744c7d644df623f63d4fb985482e345b3351c4d3da873162152c67fc6ecc887

                • C:\Users\Admin\AppData\Local\Temp\Retrive7903032257480126924.vbs
                  MD5

                  3bdfd33017806b85949b6faa7d4b98e4

                  SHA1

                  f92844fee69ef98db6e68931adfaa9a0a0f8ce66

                  SHA256

                  9da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6

                  SHA512

                  ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429

                • C:\Users\Admin\AppData\Local\Temp\_0.9043595771383587718148004591102905.class
                  MD5

                  781fb531354d6f291f1ccab48da6d39f

                  SHA1

                  9ce4518ebcb5be6d1f0b5477fa00c26860fe9a68

                  SHA256

                  97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9

                  SHA512

                  3e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8

                • C:\Users\Admin\AppData\Local\Temp\ebgeaegdbdecaedfebace.reg
                  MD5

                  0e5411d7ecba9a435afda71c6c39d8fd

                  SHA1

                  2d6812052bf7be1b5e213e1d813ae39faa07284c

                  SHA256

                  cb68d50df5817e51ec5b2f72893dc4c749bf3504519107e0a78dda84d55f09e2

                  SHA512

                  903ac6e5c8a12607af267b54bcbbedfa5542c5b4f7ea289ab7c6a32a424d5b846ae406d830cb4ad48e2b46f92c504163c0856af8c3e09685a8855f39f616ddb1

                • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2513283230-931923277-594887482-1000\83aa4cc77f591dfc2374580bbd95f6ba_17ebba21-ade9-4848-b865-5b9359ee593d
                  MD5

                  c8366ae350e7019aefc9d1e6e6a498c6

                  SHA1

                  5731d8a3e6568a5f2dfbbc87e3db9637df280b61

                  SHA256

                  11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

                  SHA512

                  33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

                • C:\Users\Admin\AppData\Roaming\wegcxp.txt
                  MD5

                  5386ab97e1f8e6d079eba23149de7e47

                  SHA1

                  341fe0494f31c6af8cf7690fa02dacd1c21907f2

                  SHA256

                  85011ef9bc53b6d692e1e4cea0ba0a99dce82a53f3b0710c34b042a335150bb4

                  SHA512

                  db4d391a2b49adedcba61a077a795a3f5c14441fdd76a6848df2c0a1a505178097ae1facdef2de844dbd826b7b20d767131e1b963bb6f273a7f4eed31ec570d3

                • C:\Users\Admin\bgddtomvyl.js
                  MD5

                  7e75d8e80c01cbe35e9728b2faef6089

                  SHA1

                  f5219d95f7216f712af6e9dd3111722ddf4e764c

                  SHA256

                  9b1f3ead5c1a1d31e55662970265b6f466740a5a7abf0611b1793a4889449584

                  SHA512

                  7aa4227c82a32904277c613edb53e4a5b549f5421de1ecedb7e59aa9302f5dbcb95df16c4ce260a413c3a752c45ad7e73f12d38e5e71c544d62b7b9b2abbace1

                • \Users\Admin\AppData\Local\Temp\Windows6584950850451547179.dll
                  MD5

                  0ad1fc3ddb524c21c9b31cbe3fd57780

                  SHA1

                  70fef487a61944ef9ce9399a83e7be84f6cad58f

                  SHA256

                  7da7e2e66b5b79123f9d731d60be76787b6374681e614099f18571a4c4463798

                  SHA512

                  62e038824bbb30da6449ac15ed5309aef32a06161acf22d55e02adb998e1705eb293b78a91600552fcc178b9d711fb94eca0d6e78593ad174a14f7fc76f3da18

                • memory/432-109-0x0000000001C40000-0x0000000001C41000-memory.dmp
                  Filesize

                  4KB

                • memory/432-71-0x00000000021B0000-0x0000000002420000-memory.dmp
                  Filesize

                  2.4MB

                • memory/432-68-0x0000000000000000-mapping.dmp
                • memory/432-125-0x0000000001C40000-0x0000000001C41000-memory.dmp
                  Filesize

                  4KB

                • memory/432-77-0x0000000001C40000-0x0000000001C41000-memory.dmp
                  Filesize

                  4KB

                • memory/432-79-0x0000000001C40000-0x0000000001C41000-memory.dmp
                  Filesize

                  4KB

                • memory/520-98-0x0000000000000000-mapping.dmp
                • memory/904-75-0x0000000002090000-0x0000000002300000-memory.dmp
                  Filesize

                  2.4MB

                • memory/904-81-0x0000000001BD0000-0x0000000001BD1000-memory.dmp
                  Filesize

                  4KB

                • memory/904-80-0x0000000001BD0000-0x0000000001BD1000-memory.dmp
                  Filesize

                  4KB

                • memory/904-78-0x0000000001BD0000-0x0000000001BD1000-memory.dmp
                  Filesize

                  4KB

                • memory/904-72-0x0000000000000000-mapping.dmp
                • memory/952-120-0x0000000000000000-mapping.dmp
                • memory/1052-115-0x0000000000000000-mapping.dmp
                • memory/1088-91-0x0000000000000000-mapping.dmp
                • memory/1096-63-0x0000000002280000-0x00000000024F0000-memory.dmp
                  Filesize

                  2.4MB

                • memory/1096-59-0x000007FEFB6B1000-0x000007FEFB6B3000-memory.dmp
                  Filesize

                  8KB

                • memory/1096-61-0x0000000000130000-0x0000000000131000-memory.dmp
                  Filesize

                  4KB

                • memory/1216-105-0x0000000000000000-mapping.dmp
                • memory/1308-132-0x0000000000000000-mapping.dmp
                • memory/1332-113-0x0000000000000000-mapping.dmp
                • memory/1340-123-0x0000000000000000-mapping.dmp
                • memory/1396-90-0x0000000000000000-mapping.dmp
                • memory/1616-102-0x0000000000000000-mapping.dmp
                • memory/1700-122-0x0000000000000000-mapping.dmp
                • memory/1736-95-0x0000000000000000-mapping.dmp
                • memory/1740-124-0x0000000000000000-mapping.dmp
                • memory/1748-96-0x0000000000000000-mapping.dmp
                • memory/1752-66-0x0000000000570000-0x0000000000571000-memory.dmp
                  Filesize

                  4KB

                • memory/1752-64-0x0000000000000000-mapping.dmp
                • memory/1772-108-0x0000000000000000-mapping.dmp
                • memory/1828-101-0x0000000000000000-mapping.dmp
                • memory/1896-103-0x0000000000000000-mapping.dmp
                • memory/1956-126-0x0000000000000000-mapping.dmp
                • memory/1960-60-0x0000000000000000-mapping.dmp
                • memory/1964-111-0x0000000000000000-mapping.dmp
                • memory/1968-97-0x0000000000000000-mapping.dmp
                • memory/2036-128-0x0000000000000000-mapping.dmp