Analysis
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max time kernel
150s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
24/11/2024, 15:08
Behavioral task
behavioral1
Sample
Fortnite.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
Fortnite.exe
Resource
win10v2004-20241007-en
General
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Target
Fortnite.exe
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Size
77.7MB
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MD5
97178a64f9575409687576147522c8d5
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SHA1
cff8a2ed89c63e6151826d7f702a3bf6aab383a8
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SHA256
6348a47d7e11f5d770e81795494e91620e32f531751bc29670f557ff1524422c
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SHA512
843df4051021cc7a9a670cd7154c1340c65eca5a636b2fc9de82c777e1a96f28e11a894315ad13bfd90eee186192df74daab1e7b65ccc39cd8e674eb7e99604d
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SSDEEP
1572864:Rx1lLW/10hSk8IpG7V+VPhqqxE7LlhpBB8iYweyJulZUdgP7Ul+aswzteN:H1B+uSkB05awqeLpnNpur741teN
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe -
Executes dropped EXE 8 IoCs
pid Process 3064 fortnite.exe 1256 fortnite.exe 848 icsys.icn.exe 2900 explorer.exe 1196 Process not Found 2256 spoolsv.exe 2464 svchost.exe 2272 spoolsv.exe -
Loads dropped DLL 15 IoCs
pid Process 2016 Fortnite.exe 3064 fortnite.exe 1256 fortnite.exe 1256 fortnite.exe 1256 fortnite.exe 2016 Fortnite.exe 1256 fortnite.exe 1256 fortnite.exe 1256 fortnite.exe 1256 fortnite.exe 848 icsys.icn.exe 1196 Process not Found 2900 explorer.exe 2256 spoolsv.exe 2464 svchost.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" svchost.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe -
resource yara_rule behavioral1/files/0x0003000000020ab5-1337.dat upx behavioral1/memory/1256-1339-0x000007FEF5900000-0x000007FEF5FC5000-memory.dmp upx behavioral1/memory/2464-1380-0x00000000003B0000-0x00000000003CF000-memory.dmp upx -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\Resources\tjud.exe explorer.exe File opened for modification C:\Windows\Resources\Themes\icsys.icn.exe Fortnite.exe File opened for modification \??\c:\windows\resources\themes\explorer.exe icsys.icn.exe File opened for modification \??\c:\windows\resources\spoolsv.exe explorer.exe File opened for modification \??\c:\windows\resources\svchost.exe spoolsv.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Fortnite.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icsys.icn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1872 schtasks.exe 1480 schtasks.exe 352 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 2016 Fortnite.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 848 icsys.icn.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2900 explorer.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe 2464 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2900 explorer.exe 2464 svchost.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2016 Fortnite.exe 2016 Fortnite.exe 848 icsys.icn.exe 848 icsys.icn.exe 2900 explorer.exe 2900 explorer.exe 2256 spoolsv.exe 2256 spoolsv.exe 2464 svchost.exe 2464 svchost.exe 2272 spoolsv.exe 2272 spoolsv.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 2016 wrote to memory of 3064 2016 Fortnite.exe 30 PID 2016 wrote to memory of 3064 2016 Fortnite.exe 30 PID 2016 wrote to memory of 3064 2016 Fortnite.exe 30 PID 2016 wrote to memory of 3064 2016 Fortnite.exe 30 PID 3064 wrote to memory of 1256 3064 fortnite.exe 32 PID 3064 wrote to memory of 1256 3064 fortnite.exe 32 PID 3064 wrote to memory of 1256 3064 fortnite.exe 32 PID 2016 wrote to memory of 848 2016 Fortnite.exe 33 PID 2016 wrote to memory of 848 2016 Fortnite.exe 33 PID 2016 wrote to memory of 848 2016 Fortnite.exe 33 PID 2016 wrote to memory of 848 2016 Fortnite.exe 33 PID 848 wrote to memory of 2900 848 icsys.icn.exe 34 PID 848 wrote to memory of 2900 848 icsys.icn.exe 34 PID 848 wrote to memory of 2900 848 icsys.icn.exe 34 PID 848 wrote to memory of 2900 848 icsys.icn.exe 34 PID 2900 wrote to memory of 2256 2900 explorer.exe 35 PID 2900 wrote to memory of 2256 2900 explorer.exe 35 PID 2900 wrote to memory of 2256 2900 explorer.exe 35 PID 2900 wrote to memory of 2256 2900 explorer.exe 35 PID 2256 wrote to memory of 2464 2256 spoolsv.exe 36 PID 2256 wrote to memory of 2464 2256 spoolsv.exe 36 PID 2256 wrote to memory of 2464 2256 spoolsv.exe 36 PID 2256 wrote to memory of 2464 2256 spoolsv.exe 36 PID 2464 wrote to memory of 2272 2464 svchost.exe 37 PID 2464 wrote to memory of 2272 2464 svchost.exe 37 PID 2464 wrote to memory of 2272 2464 svchost.exe 37 PID 2464 wrote to memory of 2272 2464 svchost.exe 37 PID 2900 wrote to memory of 1628 2900 explorer.exe 38 PID 2900 wrote to memory of 1628 2900 explorer.exe 38 PID 2900 wrote to memory of 1628 2900 explorer.exe 38 PID 2900 wrote to memory of 1628 2900 explorer.exe 38 PID 2464 wrote to memory of 1872 2464 svchost.exe 39 PID 2464 wrote to memory of 1872 2464 svchost.exe 39 PID 2464 wrote to memory of 1872 2464 svchost.exe 39 PID 2464 wrote to memory of 1872 2464 svchost.exe 39 PID 2464 wrote to memory of 1480 2464 svchost.exe 42 PID 2464 wrote to memory of 1480 2464 svchost.exe 42 PID 2464 wrote to memory of 1480 2464 svchost.exe 42 PID 2464 wrote to memory of 1480 2464 svchost.exe 42 PID 2464 wrote to memory of 352 2464 svchost.exe 44 PID 2464 wrote to memory of 352 2464 svchost.exe 44 PID 2464 wrote to memory of 352 2464 svchost.exe 44 PID 2464 wrote to memory of 352 2464 svchost.exe 44
Processes
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C:\Users\Admin\AppData\Local\Temp\Fortnite.exe"C:\Users\Admin\AppData\Local\Temp\Fortnite.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016 -
\??\c:\users\admin\appdata\local\temp\fortnite.exec:\users\admin\appdata\local\temp\fortnite.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3064 -
\??\c:\users\admin\appdata\local\temp\fortnite.exec:\users\admin\appdata\local\temp\fortnite.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1256
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:848 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2900 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2464 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2272
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 16:52 /f6⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1872
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 16:53 /f6⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1480
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 16:54 /f6⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:352
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe4⤵PID:1628
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
21KB
MD51c58526d681efe507deb8f1935c75487
SHA10e6d328faf3563f2aae029bc5f2272fb7a742672
SHA256ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2
SHA5128edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1
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Filesize
18KB
MD5bfffa7117fd9b1622c66d949bac3f1d7
SHA1402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2
SHA2561ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e
SHA512b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f
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Filesize
21KB
MD5724223109e49cb01d61d63a8be926b8f
SHA1072a4d01e01dbbab7281d9bd3add76f9a3c8b23b
SHA2564e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210
SHA51219b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c
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Filesize
21KB
MD5517eb9e2cb671ae49f99173d7f7ce43f
SHA14ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab
SHA25657cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54
SHA512492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be
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Filesize
21KB
MD5d12403ee11359259ba2b0706e5e5111c
SHA103cc7827a30fd1dee38665c0cc993b4b533ac138
SHA256f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781
SHA5129004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0
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Filesize
1.7MB
MD571070618402c15a2fad5ca70c9ef7297
SHA134fedbf17a57010c5cd20ef4e690616859cc8e68
SHA2567d35a191edb95ccd85ef05d645deeca3ed1febd9acd659569fab56ae06c1ebdf
SHA51281ef8749f5c3dbd586ddbbcf26cd6c80607a5cc9c26e31c912f454ca56013082174e2012a507739ec1e9c5a2f019bf0ca6bd3ce18880abdbff0ba5f8f3cbbf28
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Filesize
992KB
MD50e0bac3d1dcc1833eae4e3e4cf83c4ef
SHA14189f4459c54e69c6d3155a82524bda7549a75a6
SHA2568a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae
SHA512a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd
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Filesize
135KB
MD5af83eb64944dab17b4cc120961890257
SHA1026e472a982a5d57afd0f416c5829226b3520288
SHA2568e74ea8bfe7983543665da2b4ee61d67b07806343f500d1536aa447eb563292e
SHA512d5125abb2c9ecb211864c911b3c0939c75a68a53577d08d7db1cfb9e4d87bdcb6dca0a99fd0cec19b0a3cfe811bbba07071f699d95499872654c1d819d5d39d1
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Filesize
135KB
MD5f5ccda1aa3ef4485885d457a67696644
SHA1f5f992e28ff651f2f35b206514dc8ed855d7a615
SHA256db33b9052e06ed77e287e395f697ed13997ed05c7969e478669de7b1b35e659a
SHA512e2ae0a15b5f600a6facc5c7934b702433c1249ec308c1a2c20ed3b6dd27847fc7a869cd022af479760c37de349c74c9653b192df7cc756d729c05aaafed9d9d3
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Filesize
135KB
MD57ad1272b734f17836ec6ca54819b45e6
SHA17fe1d83a3fa8f85fb17959dcbc058861a1b1df2b
SHA25656b614f55de38ef23ab4280a3ae3e28261c89e161b720079630c5cd5968a0214
SHA512b11e70d2404574edd665831871e273cee5bf549ca44618e42bd5ef28cb60547b1d4302d406d9d4a26e69705313f160080db82d7c88d02f1d9fa7787254de5e89
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Filesize
135KB
MD5915e54b615f1fa2fec468d49e649b6b9
SHA13bd7a3c7860ab5181e07805e1b3f351c62ea2a90
SHA25604cdd6532050164a0e14d97d5832bebc7c32389d954bc3367cef3f327db840ca
SHA512c7fb10bc49241d04317c4e292a9f3c79ab768b8a636d7d98886771548f7ba5ba9ea99123eb0612b794ec9258649b4cf392b16ccad9f5b6af63141f8d596e66c5