Analysis
- max time kernel
148s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20240910-en - resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system - submitted
16/09/2024, 02:26
Static task
static1
Behavioral task
behavioral1
Sample
Important_PDF.jar
Resource
win7-20240903-en
9 signatures
150 seconds
General
- Target Important_PDF.jar
- Size 670KB
- Sample240916-cwwrhsvbph
- SHA256 bb3b600669dd97440096f39299e4d8c64bd7d6ec92769dae3c03bd0a617c58b6
- MD5 22f97833cf2a466d91725c445f13eb65
- SHA1 8de683ef48124acc283be0dd145ca066ff9c8b9e
- SHA512 268e3a8182754be9053474d3c37725ccff4886950d91490c51c1d1946524d35fac19b2c17460cde29ed4fab2c23870ef0a777980da7bb050d3adb5c050ec9ce3
- SSDEEP 12288:yEAMlfUdav2KwkdCJz2tH5czbegixl9oxXVRU8KkhIOFKeKe8AEzcqdXc3PI:yKmdaD6z24zbegioVRiuIHeKDNrdsw
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\test.txt java.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3216 java.exe 2996 java.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3216 wrote to memory of 2996 3216 java.exe 87 PID 3216 wrote to memory of 2996 3216 java.exe 87 PID 3216 wrote to memory of 5080 3216 java.exe 89 PID 3216 wrote to memory of 5080 3216 java.exe 89 PID 2996 wrote to memory of 1400 2996 java.exe 90 PID 2996 wrote to memory of 1400 2996 java.exe 90 PID 1400 wrote to memory of 3368 1400 cmd.exe 92 PID 1400 wrote to memory of 3368 1400 cmd.exe 92 PID 5080 wrote to memory of 3388 5080 cmd.exe 94 PID 5080 wrote to memory of 3388 5080 cmd.exe 94 PID 2996 wrote to memory of 1820 2996 java.exe 96 PID 2996 wrote to memory of 1820 2996 java.exe 96 PID 3216 wrote to memory of 1396 3216 java.exe 95 PID 3216 wrote to memory of 1396 3216 java.exe 95 PID 1820 wrote to memory of 1276 1820 cmd.exe 99 PID 1820 wrote to memory of 1276 1820 cmd.exe 99 PID 1396 wrote to memory of 1516 1396 cmd.exe 100 PID 1396 wrote to memory of 1516 1396 cmd.exe 100 PID 2996 wrote to memory of 2632 2996 java.exe 101 PID 2996 wrote to memory of 2632 2996 java.exe 101 PID 3216 wrote to memory of 5092 3216 java.exe 103 PID 3216 wrote to memory of 5092 3216 java.exe 103 PID 2996 wrote to memory of 4640 2996 java.exe 105 PID 2996 wrote to memory of 4640 2996 java.exe 105
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\Important_PDF.jar1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.29233490625964621922962951151936310.class2⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6747521647600899176.vbs3⤵
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6747521647600899176.vbs4⤵PID:3368
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive444098920842823768.vbs3⤵
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive444098920842823768.vbs4⤵PID:1276
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C:\Windows\SYSTEM32\xcopy.exexcopy "C:\Program Files\Java\jre-1.8" "C:\Users\Admin\AppData\Roaming\Oracle\" /e3⤵PID:2632
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C:\Windows\SYSTEM32\cmd.execmd.exe3⤵PID:4640
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7238051230300822917.vbs2⤵
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7238051230300822917.vbs3⤵PID:3388
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7911343817030157525.vbs2⤵
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7911343817030157525.vbs3⤵PID:1516
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C:\Windows\SYSTEM32\xcopy.exexcopy "C:\Program Files\Java\jre-1.8" "C:\Users\Admin\AppData\Roaming\Oracle\" /e2⤵PID:5092
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 49f36e8672f3c066ceb6f651a7c91732cbb3112fc737040b236f63efb4d7fe3e
- MD5 9155f8b5316afc53a6c2846a8659673c
- SHA1 5d5bf69dba4d4eca8bf859391a827604b42f5b85
- SHA512 ddddb8eb8ce464cd317699d60c29a4d510f6c99380a1837bdfeb5b66c025f767b20951311c20e92e2939a545b0f619b8d9fb097e122d29c5ed34a33c80a2b5a7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\Retrive444098920842823768.vbs
- Size 281B
- SHA256 45bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7
- MD5 a32c109297ed1ca155598cd295c26611
- SHA1 dc4a1fdbaad15ddd6fe22d3907c6b03727b71510
- SHA512 70372552dc86fe02ece9fe3b7721463f80be07a34126b2c75b41e30078cda9e90744c7d644df623f63d4fb985482e345b3351c4d3da873162152c67fc6ecc887
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\Retrive6747521647600899176.vbs
- Size 276B
- SHA256 9da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
- MD5 3bdfd33017806b85949b6faa7d4b98e4
- SHA1 f92844fee69ef98db6e68931adfaa9a0a0f8ce66
- SHA512 ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\_0.29233490625964621922962951151936310.class
- Size 241KB
- SHA256 97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
- MD5 781fb531354d6f291f1ccab48da6d39f
- SHA1 9ce4518ebcb5be6d1f0b5477fa00c26860fe9a68
- SHA512 3e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8
- SSDEEP 6144:WI5pxUZ7Gvi8ulm+yV/rIF0/MO2qnan1J7pXESN6U:J5pxAGqNkrIq/MO2qnA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2629364133-3182087385-364449604-1000\83aa4cc77f591dfc2374580bbd95f6ba_83e33dcf-e635-4313-9cdc-036589dffc77
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Oracle\bin\plugin2\msvcp140.dll
- Size 558KB
- SHA256 a88b8c1c8f27bf90fe960e0e8bd56984ad48167071af92d96ec1051f89f827fb
- MD5 bf78c15068d6671693dfcdfa5770d705
- SHA1 4418c03c3161706a4349dfe3f97278e7a5d8962a
- SHA512 5b6b0ab4e82cc979eaa619d387c6995198fd19aa0c455bef44bd37a765685575d57448b3b4accd70d3bd20a6cd408b1f518eda0f6dae5aa106f225bee8291372
- SSDEEP 12288:CZ+jZpQfIwKnkdmZJUbi7I0QfxK+pdd+cOj6LbndDrUw2K1fQEKZm+jWodEEVJaP:CEtmrdcK1fQEKZm+jWodEEb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Oracle\bin\plugin2\vcruntime140.dll
- Size 95KB
- SHA256 475ab98b7722e965bd38c8fa6ed23502309582ccf294ff1061cb290c7988f0d1
- MD5 7415c1cc63a0c46983e2a32581daefee
- SHA1 5f8534d79c84ac45ad09b5a702c8c5c288eae240
- SHA512 3d4b24061f72c0e957c7b04a0c4098c94c8f1afb4a7e159850b9939c7210d73398be6f27b5ab85073b4e8c999816e7804fef0f6115c39cd061f4aaeb4dcda8cf
- SSDEEP 1536:M4h79voUUUCaisMiQFJp0hYSKnMNFYNa86ecb63UNU:M8WvicJpwYVMNFYNB6ecb63U6
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Oracle\bin\plugin2\vcruntime140_1.dll
- Size 36KB
- SHA256 0579d460ea1f7e8a815fa55a8821a5ff489c8097f051765e9beaf25d8d0f27d6
- MD5 fcda37abd3d9e9d8170cd1cd15bf9d3f
- SHA1 b23ff3e9aa2287b9c1249a008c0ae06dc8b6fdf2
- SHA512 de8be61499aaa1504dde8c19666844550c2ea7ef774ecbe26900834b252887da31d4cf4fb51338b16b6a4416de733e519ebf8c375eb03eb425232a6349da2257
- SSDEEP 384:1JfphjEpTUUtKldl3864/vc5fqiu85mIlRWNQQbz6Yf7ZJA/U3qJrWr2KW8KLHR9:Phh4pTUUtmUwqiu8oSRjez6S7fqHwAb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Oracle\lib\deploy\messages_zh_TW.properties
- Size 3KB
- SHA256 ff4a3a92bc92cb08d2c32c435810440fd264edd63e56efa39430e0240c835620
- MD5 880baacb176553deab39edbe4b74380d
- SHA1 37a57aad121c14c25e149206179728fa62203bf0
- SHA512 3039315bb283198af9090bd3d31cfae68ee73bc2b118bbae0b32812d4e3fd0f11ce962068d4a17b065dab9a66ef651b9cb8404c0a2defce74bb6b2d1d93646d5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Oracle\lib\images\cursors\win32_CopyNoDrop32x32.gif
- Size 153B
- SHA256 1a1d3079d49583837662b84e11d8c0870698511d9110e710eb8e7eb20df7ae3b
- MD5 1e9d8f133a442da6b0c74d49bc84a341
- SHA1 259edc45b4569427e8319895a444f4295d54348f
- SHA512 63d6f70c8cab9735f0f857f5bf99e319f6ae98238dc7829dd706b7d6855c70be206e32e3e55df884402483cf8bebad00d139283af5c0b85dc1c5bf8f253acd37
- MD5 SHA1 SHA512