Analysis Overview
SHA256
6a695e198d37c905288cf2ad103315559c7f870a2f92b03fbdcfabe0a8a34ba6
Threat Level: Known bad
The file Remittance_Advice.jar was found to be: Known bad.
Malicious Activity Summary
STRRAT
Drops startup file
Loads dropped DLL
Adds Run key to start application
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-20 07:38
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-20 07:38
Reported
2022-01-20 07:40
Platform
win7-en-20211208
Max time kernel
122s
Max time network
122s
Command Line
Signatures
STRRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Remittance_Advice.jar | C:\Program Files\Java\jre7\bin\java.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Java\jre7\bin\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\Remittance_Advice = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Remittance_Advice.jar\"" | C:\Program Files\Java\jre7\bin\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Remittance_Advice = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Remittance_Advice.jar\"" | C:\Program Files\Java\jre7\bin\java.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Remittance_Advice.jar
C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\Remittance_Advice.jar"
C:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Remittance_Advice.jar"
C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Remittance_Advice.jar"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Remittance_Advice.jar"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | repo1.maven.org | udp |
| US | 8.8.8.8:53 | github.com | udp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 140.82.113.4:443 | github.com | tcp |
| US | 8.8.8.8:53 | objects.githubusercontent.com | udp |
| US | 185.199.108.133:443 | objects.githubusercontent.com | tcp |
Files
memory/1520-55-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmp
memory/1520-57-0x00000000021D0000-0x00000000051D0000-memory.dmp
memory/1520-59-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-61-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-70-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-92-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-94-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-104-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-105-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-107-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-106-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-109-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-110-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1520-111-0x0000000000120000-0x0000000000121000-memory.dmp
C:\Users\Admin\Remittance_Advice.jar
| MD5 | e5df17e52c9ad8157ef9ad8c42072f6e |
| SHA1 | 7b998e5455ffeef99cbf3e02e8ff057220ce9749 |
| SHA256 | 6a695e198d37c905288cf2ad103315559c7f870a2f92b03fbdcfabe0a8a34ba6 |
| SHA512 | c8983cf43ef8dcfd651dd2ae788b2f1b97bfff5fe0406c1bcbe4a5d30b6adae005208a9463e3f9163bc6b7439a252547c2ccb110da77e8f33c450087e855542e |
memory/1152-123-0x0000000002160000-0x0000000005160000-memory.dmp
memory/1152-122-0x0000000000120000-0x0000000000121000-memory.dmp
C:\Users\Admin\lib\jna-platform-5.5.0.jar
| MD5 | 2f4a99c2758e72ee2b59a73586a2322f |
| SHA1 | af38e7c4d0fc73c23ecd785443705bfdee5b90bf |
| SHA256 | 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5 |
| SHA512 | b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494 |
C:\Users\Admin\lib\jna-5.5.0.jar
| MD5 | acfb5b5fd9ee10bf69497792fd469f85 |
| SHA1 | 0e0845217c4907822403912ad6828d8e0b256208 |
| SHA256 | b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e |
| SHA512 | e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa |
C:\Users\Admin\lib\system-hook-3.5.jar
| MD5 | e1aa38a1e78a76a6de73efae136cdb3a |
| SHA1 | c463da71871f780b2e2e5dba115d43953b537daf |
| SHA256 | 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609 |
| SHA512 | fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d |
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2329389628-4064185017-3901522362-1000\83aa4cc77f591dfc2374580bbd95f6ba_3bd845b8-ce6a-4337-9974-31490196462a
| MD5 | c8366ae350e7019aefc9d1e6e6a498c6 |
| SHA1 | 5731d8a3e6568a5f2dfbbc87e3db9637df280b61 |
| SHA256 | 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238 |
| SHA512 | 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd |
\Users\Admin\AppData\Local\Temp\jna-63116079\jna7999178308381255234.dll
| MD5 | e02979ecd43bcc9061eb2b494ab5af50 |
| SHA1 | 3122ac0e751660f646c73b10c4f79685aa65c545 |
| SHA256 | a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a |
| SHA512 | 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372 |
C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
| MD5 | b33387e15ab150a7bf560abdc73c3bec |
| SHA1 | 66b8075784131f578ef893fd7674273f709b9a4c |
| SHA256 | 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491 |
| SHA512 | 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279 |
memory/1152-130-0x0000000000120000-0x0000000000121000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-01-20 07:38
Reported
2022-01-20 07:40
Platform
win10v2004-en-20220113
Max time kernel
1s
Max time network
4s
Command Line
Signatures
Processes
C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Remittance_Advice.jar