Analysis
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max time kernel
146s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2024 19:02
Static task
static1
Behavioral task
behavioral1
Sample
418c7dcc38bc4856f00a6e0067774ec4_JaffaCakes118.jar
Resource
win7-20240708-en
General
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Target
418c7dcc38bc4856f00a6e0067774ec4_JaffaCakes118.jar
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Size
115KB
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MD5
418c7dcc38bc4856f00a6e0067774ec4
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SHA1
95b6baecca24bcfc2a366230cd6b7597361b5f73
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SHA256
16ca6ef3a3dafa34c5fa0c1ac6db90d7f3744277dacec41ac100f46f35d59674
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SHA512
75edb83a575545dc326d38d12249740fb5e2fc2d184d4707deda5eaf5e35805a43b3baf6fa9740230e6e1ac27df0d6583a315f025d9054f25195baf5129d58da
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SSDEEP
3072:b0kW3A7V8ET+Bd341KDvq7UPIPuROerYORIkFyLdKr:zTCEqH3UKDC7U+uBrYOKM/r
Malware Config
Extracted
latentbot
bethwithsdaltonlaw.zapto.org
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
Processes:
java.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xruvufm.txt java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid Process 4020 java.exe 4004 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xruvufm = "\"C:\\Users\\Admin\\AppData\\Roaming\\xruvufm.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xruvufm = "\"C:\\Users\\Admin\\AppData\\Roaming\\xruvufm.txt\"" java.exe -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 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 12 IoCs
Processes:
java.exewscript.exejavaw.exejava.execmd.exedescription pid Process procid_target PID 224 wrote to memory of 3172 224 java.exe 86 PID 224 wrote to memory of 3172 224 java.exe 86 PID 3172 wrote to memory of 2524 3172 wscript.exe 87 PID 3172 wrote to memory of 2524 3172 wscript.exe 87 PID 2524 wrote to memory of 4020 2524 javaw.exe 89 PID 2524 wrote to memory of 4020 2524 javaw.exe 89 PID 4020 wrote to memory of 936 4020 java.exe 91 PID 4020 wrote to memory of 936 4020 java.exe 91 PID 4020 wrote to memory of 4004 4020 java.exe 92 PID 4020 wrote to memory of 4004 4020 java.exe 92 PID 936 wrote to memory of 2356 936 cmd.exe 95 PID 936 wrote to memory of 2356 936 cmd.exe 95 -
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
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\418c7dcc38bc4856f00a6e0067774ec4_JaffaCakes118.jar1⤵
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SYSTEM32\wscript.exewscript C:\Users\Admin\fbmfhhsnnn.js2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3172 -
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\xruvufm.txt"3⤵
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\xruvufm.txt"4⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4020 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\xruvufm.txt"5⤵
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\xruvufm.txt"6⤵
- Scheduled Task/Job: Scheduled Task
PID:2356
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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\xruvufm.txt"5⤵
- Loads dropped DLL
PID:4004
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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
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
46B
MD5215481b883ce9ad7d4fdafae498457f6
SHA1f407af23c2e6cb1f136931946f29c03387927cfd
SHA25658140d7a7a0337030157488e8319744ca7fc1c2c2335a05f47ed874afca09f8d
SHA5126eaa145d0ef2710c3dddbc31238270156a6a418eaf08fcfa0b3b9ed7078ac99741b89af3321ade5e92064a55676f5768dcfedfa9965e34f750da921f1f4aff1c
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3442511616-637977696-3186306149-1000\83aa4cc77f591dfc2374580bbd95f6ba_5ab270f5-f3a9-47d1-97d7-bbd50acf9955
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
88KB
MD57b533e56cf887107c6729dfca8ac43ea
SHA1884e4d1f69fdedbfa62048b59b58800654569a80
SHA25605282277e19b725ae85ba74f79b3c197d4e099f395c3b8ea63e3dc6a24a6f8d8
SHA512510f0d341c4de5ce89c84a4c12c5de03119678b45d8af94496f4931f08fdfb055a004add37b4701adbeba5859f366d32a3c0572b443f6a09d3171b35e27e3a14
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Filesize
185KB
MD5f17a60b3f01301ef7efb60444bb2475f
SHA1e0c931dafb9f8b61a9a565d9be2e584135faaf6c
SHA256954b2f5368ffb5f9cde3f663a825e64d43cdba7ff106e4da4de111dffd763e01
SHA512844aa2a22d204ee0d397ce8d9f84977bbf391e0de8b900c89922ba0588e5629c61bf12070e4e6150dd29ffaad88040e38325ed354603aa98b73edae7735b62c9
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d