Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
09/08/2024, 21:38
Static task
static1
Behavioral task
behavioral1
Sample
SKlauncher-3.2.exe
Resource
win10-20240404-en
General
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Target
SKlauncher-3.2.exe
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Size
1.6MB
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MD5
b63468dd118dfbca5ef7967ba344e0e3
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SHA1
2ba4f0df5f3bd284bf2a89aba320e4440d8b8355
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SHA256
05ae2f0dd61ef10019b94c200e8df192b767bb4cc24a7e7b329ab43cc9c74caf
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SHA512
007ecb7445dc0c01a802b5a2c91313aae59f9dc96e27455dd85e7a92a4e649d683fbc2ada5f48925d9ab3b4fdaea20aa89eeb442fde079902aecb5ca3454a548
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SSDEEP
49152:HIBc3n9dRvwVlzhFAQ/ggUTPQjYEiim7V:oBaO/FAqMQjYEXm
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 1616 SKlauncher-3.2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4680 icacls.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1616 SKlauncher-3.2.exe 1616 SKlauncher-3.2.exe 1616 SKlauncher-3.2.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1616 wrote to memory of 3604 1616 SKlauncher-3.2.exe 73 PID 1616 wrote to memory of 3604 1616 SKlauncher-3.2.exe 73 PID 3604 wrote to memory of 4680 3604 java.exe 75 PID 3604 wrote to memory of 4680 3604 java.exe 75 PID 1616 wrote to memory of 3872 1616 SKlauncher-3.2.exe 77 PID 1616 wrote to memory of 3872 1616 SKlauncher-3.2.exe 77 PID 1616 wrote to memory of 3196 1616 SKlauncher-3.2.exe 79 PID 1616 wrote to memory of 3196 1616 SKlauncher-3.2.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.exe"C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1616 -
\??\c:\PROGRA~1\java\jre-1.8\bin\java.exe"c:\PROGRA~1\java\jre-1.8\bin\java.exe" -version2⤵
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M3⤵
- Modifies file permissions
PID:4680
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\??\c:\PROGRA~1\java\jdk-1.8\jre\bin\java.exe"c:\PROGRA~1\java\jdk-1.8\jre\bin\java.exe" -version2⤵PID:3872
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C:\Windows\SYSTEM32\reg.exereg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v AppsUseLightTheme2⤵PID:3196
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD53b11ba8dd2910ce63878442e06445064
SHA10f8f567c3a77b5fd705c3bd0df178a4f46a7e6d3
SHA2569cf93fb4282c49ed59ac0a920bd3ce1984499ad229bb1fb32548713faebb3a4f
SHA512d6976756ecbdd48f0dcfe8f09a656eb11991682c9207443259bac8ff8a7e9b6b4a75e13609f71761309e359be7d15dca6312ee8c86fd18d20398ff5d0f38bae8
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Filesize
405KB
MD58f2869a84ad71f156a17bb66611ebe22
SHA10325b9b3992fa2fdc9c715730a33135696c68a39
SHA2560cb1bc1335372d9e3a0cf6f5311c7cce87af90d2a777fdeec18be605a2a70bc1
SHA5123d4315d591dcf7609c15b3e32bcc234659fcdbe4be24aef5dba4ad248ad42fd9ab082250244f99dc801ec21575b7400aace50a1e8834d5c33404e76a0caac834
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Filesize
398KB
MD5ff5fdc6f42c720a3ebd7b60f6d605888
SHA1460c18ddf24846e3d8792d440fd9a750503aef1b
SHA2561936d24cb0f4ce7006e08c6ef4243d2e42a7b45f2249f8fe54d92f76a317dfd1
SHA512d3d333b1627d597c83a321a3daca38df63ea0f7cab716006935905b8170379ec2aab26cb7ffc7b539ca272cf7fb7937198aee6db3411077bedf3d2b920d078a3
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Filesize
397KB
MD5fdb50e0d48cdcf775fa1ac0dc3c33bd4
SHA15c95e5d66572aeca303512ba41a8dde0cea92c80
SHA25664f8be6e55c37e32ef03da99714bf3aa58b8f2099bfe4f759a7578e3b8291123
SHA51220ce8100c96058d4e64a12d0817b7ce638cec9f5d03651320eb6b9c3f47ee289ccc695bd3b5b6bf8e0867cdab0ebb6e8cae77df054e185828a6a13f3733ede53
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Filesize
1.1MB
MD54d653e61ba01a521c56b9a70a9c9814e
SHA1de855dc3dbc914b497b58da92e0c21fff660796d
SHA256f7d3e01dcfc001cc80a988c518d4358955842d140054214d1367972c5c543350
SHA512e6a7db6e2893b5b01dd0c84a230d88abf50da63ceb1af5754a2c4c1fbd307a799a74f3f368430d3beb33590cda2e0a3cf509fef11c4477b76e8d3c4a582b5def
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Filesize
559B
MD50ef0665ceea57a546a83a13580263575
SHA14a0bbe4ab10ffbbfa71d9804e27c563a8193137e
SHA2563a2636fce8c4ac25ab45e5d478fd922599458c3308df526e7cdf8f673cd00077
SHA512505454e4807d4d55f5dbf61f1704e46d40ecfb7758f71f804513b147acbc742d35b4ee826fe3d3cdb0b859a8322b35985809dbe6081806f8c9b45b515681a6d3
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C:\Users\Admin\AppData\Roaming\.minecraft\runtime\java-runtime-delta\legal\jdk.accessibility\ASSEMBLY_EXCEPTION
Filesize43B
MD5bd468da51b15a9f09778545b00265f34
SHA1c80e4bab46e34d02826eab226a4441d0970f2aba
SHA2567901499314e881a978d80a31970f0daec92d4995f3305e31fb53c38d9cc6ec3b
SHA5122c1d43c3e17bb2fca24a77bea3d2b3954a47da92e0cdd0738509bffcdbe2935c11764cd5af50439061638bba8b8d59da29e97ea7404ea605f7575fc13395ca93
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C:\Users\Admin\AppData\Roaming\.minecraft\runtime\java-runtime-delta\legal\jdk.jshell\ADDITIONAL_LICENSE_INFO
Filesize48B
MD5512f151af02b6bd258428b784b457531
SHA184d2102ad171863db04e7ee22a259d1f6c5de4a5
SHA256d255311b0a181e243de326d111502a8b1dc7277b534a295a8340ab5230e74c83
SHA5121a305bc333c7c2055a334dc67734db587fd6fda457b46c8df8f17ded0a8982e3830970bee75cc17274aa0a4082f32792b5dbff88410fa43cc61b55c1dce4c129
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Filesize
32B
MD5663f71c746cc2002aa53b066b06c88ab
SHA112976a6c2b227cbac58969c1455444596c894656
SHA256d60635c89c9f352ae1e66ef414344f290f5b5f7ce5c23d9633d41fde0909df80
SHA512507b7d09d3bcd9a24f0b4eeda67167595ac6ad37cd19fb31cd8f5ce8466826840c582cb5dc012a4bd51b55e01bb551e207e9da9e0d51948e89f962ba09606aab
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Filesize
14.2MB
MD5617b9e689754f5f96e3d3d75da20043c
SHA197415a0bb2a4e1e60d3e270753e90ecdfeda57b6
SHA256d65c4b1115b47e8b3867bcdcf1baed949d5d3caa589c991446ccd6c6de5b46ad
SHA5125937e666ff1135cdc55fe1fa7972bbf544b921e35ab87edbf19ab1be89dbe53a1e9a2753676229c51eac535a436b220afe615b00c4a201b8f7f93fbc92c46106
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Filesize
22KB
MD5dcd68a87b7e6edbcfde48150403b22eb
SHA128e4839a29725075772fccc39b44e194eb91e477
SHA256ae3352b6ad6cffaae55f4387f9f5e79365ea17f8d5fb45ef11d21c3300a49a4c
SHA512ac2a6bc0afcd08c56090536a937772edd54f35505c9a5837d9bc8e91c31edb6137cf5191986b3473e9e2f512950b4dbfe4088598bfd1faf47088124c70aeba71