Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-01-2025 00:29
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_8123bd619d954166aac39010723b1209.js
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_8123bd619d954166aac39010723b1209.js
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_8123bd619d954166aac39010723b1209.js
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Size
182KB
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MD5
8123bd619d954166aac39010723b1209
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SHA1
6db869ad2f0bd7c8b4f10ef690386c2fd4a6692d
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SHA256
688235edd0e908c64655904418de48d9be9abbe7745297c8ac3251d70d553da7
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SHA512
e39182a56efa946c0da979695cb6edfcf9656572be0ecffac417e333b9a7c19862c11ef2cd0371aee8e3d8a77a320b24ea3e5a2d4336fcd2916b30ee54b47fd2
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SSDEEP
3072:FwAic3rkuUnwzDLyGV03ggxeHxhyEtP2dvOhbDzCUyZcuuzZI5jmeL:FwAd3RUILdVgg1xzEOhDzryljmeL
Malware Config
Signatures
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Strrat family
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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-1-5-21-3227495264-2217614367-4027411560-1000\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\mvwvuwdlzc.txt java.exe -
Loads dropped DLL 2 IoCs
pid Process 212 java.exe 1676 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mvwvuwdlzc = "\"C:\\Users\\Admin\\AppData\\Roaming\\mvwvuwdlzc.txt\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mvwvuwdlzc = "\"C:\\Users\\Admin\\AppData\\Roaming\\mvwvuwdlzc.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.
pid Process 1872 schtasks.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4544 wrote to memory of 5024 4544 wscript.exe 82 PID 4544 wrote to memory of 5024 4544 wscript.exe 82 PID 5024 wrote to memory of 212 5024 javaw.exe 83 PID 5024 wrote to memory of 212 5024 javaw.exe 83 PID 212 wrote to memory of 1892 212 java.exe 85 PID 212 wrote to memory of 1892 212 java.exe 85 PID 212 wrote to memory of 1676 212 java.exe 86 PID 212 wrote to memory of 1676 212 java.exe 86 PID 1892 wrote to memory of 1872 1892 cmd.exe 89 PID 1892 wrote to memory of 1872 1892 cmd.exe 89 -
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:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8123bd619d954166aac39010723b1209.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4544 -
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\mvwvuwdlzc.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\mvwvuwdlzc.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\mvwvuwdlzc.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\mvwvuwdlzc.txt"5⤵
- Scheduled Task/Job: Scheduled Task
PID:1872
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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\mvwvuwdlzc.txt"4⤵
- Loads dropped DLL
PID:1676
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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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Filesize
46B
MD513c7b1ecf3d297ef32c0d370adba73be
SHA1ed2c4e65231d6f142522d8cefb4d61658c6b4e7e
SHA256a94c9d606b8d58b20beeddf137473e3b4bdfee23c4c724f35cf5ebbd30411c6a
SHA5121ebe5a04b7b3cd73fe2472cede837cdc1f352dbece6bb42d7c370fee4f2d8c638de0426930fc8375643deb16e3c87436c9bf5b8f44e3fdb1fd94d7db60e98fc5
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Filesize
46B
MD55c4526ae7c255e77c8bf39f770cf7936
SHA15e81d0c579727f380ae2b7d7108a74ad2156cca7
SHA256416a11a70b4cf658d933e4e280e5495780736ff3281745e892b116d9f1374d26
SHA512f94978f32ab3b6231bd575f39e6dcd89175c76ec547b9813ce7ff0843a31186e5bea731b8956af1796c08a38f0b9269eebf338a436518d06541a36209b7084b5
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3227495264-2217614367-4027411560-1000\83aa4cc77f591dfc2374580bbd95f6ba_423fd5c7-8559-4b8c-bf1f-c9d05c9f0fd3
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
92KB
MD55155453d759e49880d32caa54962acb0
SHA15f0b3395920fc56a9297866eb32590ff65cf28d2
SHA25628daccdadfd5999b6463f6d1ed0d4da8f369f9d84d9046dd453b1ac78c5b6af5
SHA512f8c97db63f996b5200ce3b1fcdfc26aff03f64714f52f4cf61fed87425347e4642d07e42847a187c2c5c53b8a4cd4c312326664f32ae8f43694ff867f5dd543e
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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