Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 19:29
Static task
static1
Behavioral task
behavioral1
Sample
071c608a80c84e55ed4ead5e577104ea_JaffaCakes118.jar
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
071c608a80c84e55ed4ead5e577104ea_JaffaCakes118.jar
Resource
win10v2004-20240802-en
General
-
Target
071c608a80c84e55ed4ead5e577104ea_JaffaCakes118.jar
-
Size
187KB
-
MD5
071c608a80c84e55ed4ead5e577104ea
-
SHA1
1dd9194c56acd00e0ea5dabe9555334856a620c0
-
SHA256
4fe2155de6e61665205a522e8fc7c95d25f53362f2e319fcd0993c4ea93bbbad
-
SHA512
25d4486c9352b5223113bbbeab5afc64cdfeb621b43f80aeb64f0400aeca364e91e9a3037e894c1918d5bce8a832d9e035aa77c41f57a9c67cd1c294059c7b62
-
SSDEEP
3072:ZIlbuz5kQLKPTzBPDmrKI/aoMQXw8TDcgMZ4sNgvC8xV1Wu4cTXCrnqAq1l8O:Z6ax+7FDA2QA8T3MOM0bVAhO
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gqbszwyak.txt java.exe -
Loads dropped DLL 2 IoCs
pid Process 2396 java.exe 744 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gqbszwyak = "\"C:\\Users\\Admin\\AppData\\Roaming\\gqbszwyak.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gqbszwyak = "\"C:\\Users\\Admin\\AppData\\Roaming\\gqbszwyak.txt\"" java.exe -
Command and Scripting Interpreter: JavaScript 1 TTPs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 700 schtasks.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1204 wrote to memory of 2276 1204 java.exe 82 PID 1204 wrote to memory of 2276 1204 java.exe 82 PID 2276 wrote to memory of 3544 2276 wscript.exe 83 PID 2276 wrote to memory of 3544 2276 wscript.exe 83 PID 3544 wrote to memory of 2396 3544 javaw.exe 85 PID 3544 wrote to memory of 2396 3544 javaw.exe 85 PID 2396 wrote to memory of 2720 2396 java.exe 87 PID 2396 wrote to memory of 2720 2396 java.exe 87 PID 2396 wrote to memory of 744 2396 java.exe 89 PID 2396 wrote to memory of 744 2396 java.exe 89 PID 2720 wrote to memory of 700 2720 cmd.exe 91 PID 2720 wrote to memory of 700 2720 cmd.exe 91 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\071c608a80c84e55ed4ead5e577104ea_JaffaCakes118.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SYSTEM32\wscript.exewscript C:\Users\Admin\opzidxsfdk.js2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\gqbszwyak.txt"3⤵
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\gqbszwyak.txt"4⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqbszwyak.txt"5⤵
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqbszwyak.txt"6⤵
- Scheduled Task/Job: Scheduled Task
PID:700
-
-
-
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\Roaming\gqbszwyak.txt"5⤵
- Loads dropped DLL
PID:744
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1JavaScript
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
46B
MD5dcf60b6a9349bf649139f5df5e315b9c
SHA11380702ed5b9c63d7aea00958bde185daa298655
SHA256170eb88ca5c1a67a7a4de213ce375b730107b6af66ca87962351f8baecd8ccb2
SHA51222ec9a0563f8dcfc131efb5a70f487dd5f3f0e790d673b88ff731fab732a33af5732faf30cfca5a2a5379ed5be8a282d9d0f0dffe27215d6b75d0a6ede76dfae
-
Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
-
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-355097885-2402257403-2971294179-1000\83aa4cc77f591dfc2374580bbd95f6ba_30dd1cc1-5c25-4745-b2f5-cffa52b1a886
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
-
Filesize
92KB
MD5caa505646d19fd3e3e7de7b34ed5db77
SHA1e5e5181d3a8c7a22cfb39a4538237bc62697e805
SHA256aab7895819ff88404f40ed2645c0d411f04b56f018b6e72246f8475b3605882b
SHA512f6c492547308564b1129dd03bbec622d5130010e9d50e7e9fa71f3430b75b6f2f291168b80ab4d765e626bbd886703601d880bd4e3aca4517cedcf99e1838603
-
Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
-
Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
-
Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
-
Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
-
Filesize
866KB
MD5b275441d305e83de9981ae9335b28d46
SHA11e781c8c3475d675a8554e7e3f7025e0bc8dd580
SHA25622a107a28e169cb1332a6e9dcf870610a9573faa0744b4e83570ad748c850573
SHA51220923420748f8efce687b7bf10b21388bdfde0dcbcdadd41077de8fa100fc8b3bae86b991d49f01ffa00e7fec6332b06d4675d15e614a817a852dd7db95877db