Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
11-05-2021 13:49
Static task
static1
Behavioral task
behavioral1
Sample
2.jar
Resource
win7v20210408
Behavioral task
behavioral2
Sample
2.jar
Resource
win10v20210410
General
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Target
2.jar
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Size
88KB
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MD5
3b098ed6aa7c3b342772a135129afebd
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SHA1
f5b5e634b40d0a043c77f48a259dab9b5eea1f5b
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SHA256
4a4a333147eb03fa0bfb7d0f03b37585669e4d056d63d31beecbb56eafc80c91
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SHA512
56157f4c0168098877927c46334ac6f1236d18147ad331797152d71a3281d5e2d7bf24c5b0609f868cbf94ec978f6f4e91d882f596e7a97605bd42d4f619e98f
Malware Config
Signatures
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Drops startup file 1 IoCs
Processes:
java.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2.jar java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid process 3936 java.exe 2232 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\2 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\2.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\2.jar\"" java.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of WriteProcessMemory 8 IoCs
Processes:
java.exejava.execmd.exedescription pid process target process PID 3876 wrote to memory of 3936 3876 java.exe java.exe PID 3876 wrote to memory of 3936 3876 java.exe java.exe PID 3936 wrote to memory of 3676 3936 java.exe cmd.exe PID 3936 wrote to memory of 3676 3936 java.exe cmd.exe PID 3936 wrote to memory of 2232 3936 java.exe java.exe PID 3936 wrote to memory of 2232 3936 java.exe java.exe PID 3676 wrote to memory of 1908 3676 cmd.exe schtasks.exe PID 3676 wrote to memory of 1908 3676 cmd.exe schtasks.exe
Processes
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C:\ProgramData\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\2.jar1⤵
- Suspicious use of WriteProcessMemory
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C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\2.jar"2⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\2.jar"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\2.jar"4⤵
- Creates scheduled task(s)
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C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\2.jar"3⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestampMD5
2849985f378b8a2b5a26b5a4aabe1b12
SHA1e86e76fd8cac1fb2721d5fe11a90d7ca138e201c
SHA2564609634033f5e1f1f4a5fc79b7fa066df83823b984be25e6f6c39ba5e2c33d13
SHA512dee8e2f897c2c3fb807feaa046ab03b4f5d493de4b6252757d2e3ee9cf3db06b0e030a1c92aa1ebd6254195ca18e537dc0d8cdbe82b909f32942eeeddfc72cfd
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C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestampMD5
a49127284f6fca57dcc74800685df9da
SHA16b191efe0ced5bea6c14ee94abed050546c7dc46
SHA2566e04de22809a7423d773369fe25f8558175bb2749d13055fdd13988a24fa8801
SHA5129248d868b33adc067fdf3a007b9c05474b6e64e7d22e928bd9dc93a83eea0208804a288a140c68e3013027183186e22cf52a0d62652244f398095b431e0260f9
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C:\Users\Admin\2.jarMD5
3b098ed6aa7c3b342772a135129afebd
SHA1f5b5e634b40d0a043c77f48a259dab9b5eea1f5b
SHA2564a4a333147eb03fa0bfb7d0f03b37585669e4d056d63d31beecbb56eafc80c91
SHA51256157f4c0168098877927c46334ac6f1236d18147ad331797152d71a3281d5e2d7bf24c5b0609f868cbf94ec978f6f4e91d882f596e7a97605bd42d4f619e98f
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C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3940445396727953038.dllMD5
e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\2.jarMD5
3b098ed6aa7c3b342772a135129afebd
SHA1f5b5e634b40d0a043c77f48a259dab9b5eea1f5b
SHA2564a4a333147eb03fa0bfb7d0f03b37585669e4d056d63d31beecbb56eafc80c91
SHA51256157f4c0168098877927c46334ac6f1236d18147ad331797152d71a3281d5e2d7bf24c5b0609f868cbf94ec978f6f4e91d882f596e7a97605bd42d4f619e98f
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3686645723-710336880-414668232-1000\83aa4cc77f591dfc2374580bbd95f6ba_89bbad60-16d5-41c2-ad8d-716f4ac5f4c2MD5
c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jarMD5
acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jarMD5
2f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jarMD5
b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jarMD5
e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
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C:\Users\Admin\lib\jna-5.5.0.jarMD5
acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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C:\Users\Admin\lib\jna-platform-5.5.0.jarMD5
2f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jarMD5
b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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C:\Users\Admin\lib\system-hook-3.5.jarMD5
e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
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\Users\Admin\AppData\Local\Temp\jna-63116079\jna3940445396727953038.dllMD5
e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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\Users\Admin\AppData\Local\Temp\jna-63116079\jna7175964980801386435.dllMD5
e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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memory/1908-190-0x0000000000000000-mapping.dmp
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memory/2232-196-0x00000000007E0000-0x00000000007E1000-memory.dmpFilesize
4KB
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memory/2232-187-0x0000000000000000-mapping.dmp
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memory/2232-199-0x00000000007E0000-0x00000000007E1000-memory.dmpFilesize
4KB
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memory/3676-186-0x0000000000000000-mapping.dmp
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memory/3876-123-0x0000000002F60000-0x0000000002F70000-memory.dmpFilesize
64KB
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memory/3876-126-0x0000000002F90000-0x0000000002FA0000-memory.dmpFilesize
64KB
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memory/3876-158-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-159-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-160-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-163-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-162-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-164-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-115-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-173-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-156-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-155-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-149-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-145-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-141-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-136-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-116-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-130-0x0000000002FF0000-0x0000000003000000-memory.dmpFilesize
64KB
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memory/3876-128-0x0000000002FB0000-0x0000000002FC0000-memory.dmpFilesize
64KB
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memory/3876-114-0x0000000002CC0000-0x0000000002F30000-memory.dmpFilesize
2.4MB
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memory/3876-124-0x0000000002F70000-0x0000000002F80000-memory.dmpFilesize
64KB
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memory/3876-127-0x0000000002FA0000-0x0000000002FB0000-memory.dmpFilesize
64KB
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memory/3876-157-0x0000000002B10000-0x0000000002B11000-memory.dmpFilesize
4KB
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memory/3876-125-0x0000000002F80000-0x0000000002F90000-memory.dmpFilesize
64KB
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memory/3876-122-0x0000000002FE0000-0x0000000002FF0000-memory.dmpFilesize
64KB
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memory/3876-121-0x0000000002FD0000-0x0000000002FE0000-memory.dmpFilesize
64KB
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memory/3876-120-0x0000000002F50000-0x0000000002F60000-memory.dmpFilesize
64KB
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memory/3876-119-0x0000000002FC0000-0x0000000002FD0000-memory.dmpFilesize
64KB
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memory/3876-118-0x0000000002F40000-0x0000000002F50000-memory.dmpFilesize
64KB
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memory/3876-117-0x0000000002F30000-0x0000000002F40000-memory.dmpFilesize
64KB
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memory/3936-180-0x0000000000B30000-0x0000000000B31000-memory.dmpFilesize
4KB
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memory/3936-172-0x0000000000000000-mapping.dmp