Analysis
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max time kernel
142s -
max time network
196s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 00:35
Static task
static1
Behavioral task
behavioral1
Sample
f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe
Resource
win10v2004-20221111-en
General
-
Target
f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe
-
Size
309KB
-
MD5
28b756da4ec47d7f90ffbb6e8dbdbcad
-
SHA1
3b87ed6418476d592db6f57651a75d6862841da7
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SHA256
f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b
-
SHA512
ebfd6422681cf08d11c7a34eaa6038cb680308309747e65579b668e0ddb16289d01700bcd7f3e247a28a2cf3383696264e14d57b672acc41fa3317ecfb71e268
-
SSDEEP
3072:+VHgCc4xGvbwcU9KQ2BBAHmaPx0VoIb5E+:fCc4xGxWKQ2Bonxs
Malware Config
Extracted
Protocol: ftp- Host:
ftp.byethost12.com - Port:
21 - Username:
b12_8082975 - Password:
951753zx
Extracted
Protocol: ftp- Host:
ftp.tripod.com - Port:
21 - Username:
onthelinux - Password:
741852abc
Signatures
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Executes dropped EXE 1 IoCs
Processes:
jusched.exepid process 980 jusched.exe -
Loads dropped DLL 2 IoCs
Processes:
f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exepid process 268 f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe 268 f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe -
Drops file in Program Files directory 2 IoCs
Processes:
f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exedescription ioc process File created C:\Program Files (x86)\14493320\jusched.exe f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe File created C:\Program Files (x86)\14493320\14493320 f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe -
Drops file in Windows directory 1 IoCs
Processes:
f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exedescription ioc process File created C:\Windows\Tasks\Update23.job f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exedescription pid process target process PID 268 wrote to memory of 980 268 f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe jusched.exe PID 268 wrote to memory of 980 268 f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe jusched.exe PID 268 wrote to memory of 980 268 f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe jusched.exe PID 268 wrote to memory of 980 268 f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe jusched.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe"C:\Users\Admin\AppData\Local\Temp\f1e664c4ed84ebfc0f469d0dfea292e625bb7dac918ccc1c22999a491c3ad48b.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Program Files (x86)\14493320\jusched.exe"C:\Program Files (x86)\14493320\jusched.exe"2⤵
- Executes dropped EXE
PID:980
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
17B
MD5134c1d489094d6d3399f65b0e9aebc1f
SHA1612a57fbe6ed3ab9c15b39451171d813314a28d5
SHA25654f9150d1268f7b4b83dd9fc3ec32274bf749715a5806ff3ca5262f5427d6781
SHA512b09bf60e4850d05261d81a124a647dd111f42480224eae8a3bd2f64736c38119953703f868ad34194a7ae6dad6aabff4081ba73df262bbe9f5327867c56a48ed
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Filesize
309KB
MD52f8db6e3c54ec01b35204ee30a8c2698
SHA12b30a387fdd391d0b6fac26ca47e090979b322c7
SHA2564f6187f12c24c84e22255f0fd03e16d09d2b036bf8033f27480b62d69a129864
SHA512ab2b6f8e0819dd2909745ea2120c9d825d8ba43d40e8d1d3e73e7a717acf5a79a808948644c83c0c0ae1ebbba574a416b4271e0c819f21598aba398888c6bc22
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Filesize
309KB
MD52f8db6e3c54ec01b35204ee30a8c2698
SHA12b30a387fdd391d0b6fac26ca47e090979b322c7
SHA2564f6187f12c24c84e22255f0fd03e16d09d2b036bf8033f27480b62d69a129864
SHA512ab2b6f8e0819dd2909745ea2120c9d825d8ba43d40e8d1d3e73e7a717acf5a79a808948644c83c0c0ae1ebbba574a416b4271e0c819f21598aba398888c6bc22
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Filesize
309KB
MD52f8db6e3c54ec01b35204ee30a8c2698
SHA12b30a387fdd391d0b6fac26ca47e090979b322c7
SHA2564f6187f12c24c84e22255f0fd03e16d09d2b036bf8033f27480b62d69a129864
SHA512ab2b6f8e0819dd2909745ea2120c9d825d8ba43d40e8d1d3e73e7a717acf5a79a808948644c83c0c0ae1ebbba574a416b4271e0c819f21598aba398888c6bc22