Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 03:01
Behavioral task
behavioral1
Sample
Fortnite (1).exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Fortnite (1).exe
Resource
win10v2004-20241007-en
General
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Target
Fortnite (1).exe
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Size
32.9MB
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MD5
396020facd54f9113325f71d02015af5
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SHA1
f2f2e0ede5dcb9e979884c925dc2b0878d69a33e
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SHA256
42532da2345fa4d3867a3898f9f42de85afe18571a6a0be00d0260e788317192
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SHA512
2b97304e492ddd1a2b3f8be495bb1b2049ca7d4b3d0c81f4fa5d48df8b24a8a9ddf8f3f47a87fa7dd60d9a750099add15c05db2ae8bb63242307a2326ea2ab89
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SSDEEP
786432:mow/lhOpW8428m1NxOwxJl8dPXB6BYeB4isdg+CxeDSaq3k0:ClhYWA8mxBlmPxaYeBSa4SNb
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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe -
Executes dropped EXE 8 IoCs
pid Process 2176 fortnite (1).exe 2660 fortnite (1).exe 2248 icsys.icn.exe 1204 Process not Found 2916 explorer.exe 2516 spoolsv.exe 816 svchost.exe 1104 spoolsv.exe -
Loads dropped DLL 15 IoCs
pid Process 1128 Fortnite (1).exe 2176 fortnite (1).exe 2660 fortnite (1).exe 2660 fortnite (1).exe 2660 fortnite (1).exe 2660 fortnite (1).exe 1128 Fortnite (1).exe 2660 fortnite (1).exe 2660 fortnite (1).exe 2660 fortnite (1).exe 1204 Process not Found 2248 icsys.icn.exe 2916 explorer.exe 2516 spoolsv.exe 816 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\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" svchost.exe 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 -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe -
resource yara_rule behavioral1/files/0x0003000000020bea-1232.dat upx behavioral1/memory/2660-1238-0x000007FEF57B0000-0x000007FEF5E15000-memory.dmp upx -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\Resources\Themes\icsys.icn.exe Fortnite (1).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 File opened for modification C:\Windows\Resources\tjud.exe explorer.exe -
Detects Pyinstaller 1 IoCs
resource yara_rule behavioral1/files/0x00060000000195c7-8.dat pyinstaller -
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 spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.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 Fortnite (1).exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icsys.icn.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 1672 schtasks.exe 820 schtasks.exe 1800 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 1128 Fortnite (1).exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 2916 explorer.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe 816 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 816 svchost.exe 2916 explorer.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1128 Fortnite (1).exe 1128 Fortnite (1).exe 2248 icsys.icn.exe 2248 icsys.icn.exe 2916 explorer.exe 2916 explorer.exe 2516 spoolsv.exe 2516 spoolsv.exe 816 svchost.exe 816 svchost.exe 1104 spoolsv.exe 1104 spoolsv.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 1128 wrote to memory of 2176 1128 Fortnite (1).exe 30 PID 1128 wrote to memory of 2176 1128 Fortnite (1).exe 30 PID 1128 wrote to memory of 2176 1128 Fortnite (1).exe 30 PID 1128 wrote to memory of 2176 1128 Fortnite (1).exe 30 PID 2176 wrote to memory of 2660 2176 fortnite (1).exe 31 PID 2176 wrote to memory of 2660 2176 fortnite (1).exe 31 PID 2176 wrote to memory of 2660 2176 fortnite (1).exe 31 PID 1128 wrote to memory of 2248 1128 Fortnite (1).exe 32 PID 1128 wrote to memory of 2248 1128 Fortnite (1).exe 32 PID 1128 wrote to memory of 2248 1128 Fortnite (1).exe 32 PID 1128 wrote to memory of 2248 1128 Fortnite (1).exe 32 PID 2248 wrote to memory of 2916 2248 icsys.icn.exe 33 PID 2248 wrote to memory of 2916 2248 icsys.icn.exe 33 PID 2248 wrote to memory of 2916 2248 icsys.icn.exe 33 PID 2248 wrote to memory of 2916 2248 icsys.icn.exe 33 PID 2916 wrote to memory of 2516 2916 explorer.exe 34 PID 2916 wrote to memory of 2516 2916 explorer.exe 34 PID 2916 wrote to memory of 2516 2916 explorer.exe 34 PID 2916 wrote to memory of 2516 2916 explorer.exe 34 PID 2516 wrote to memory of 816 2516 spoolsv.exe 35 PID 2516 wrote to memory of 816 2516 spoolsv.exe 35 PID 2516 wrote to memory of 816 2516 spoolsv.exe 35 PID 2516 wrote to memory of 816 2516 spoolsv.exe 35 PID 816 wrote to memory of 1104 816 svchost.exe 36 PID 816 wrote to memory of 1104 816 svchost.exe 36 PID 816 wrote to memory of 1104 816 svchost.exe 36 PID 816 wrote to memory of 1104 816 svchost.exe 36 PID 2916 wrote to memory of 1952 2916 explorer.exe 37 PID 2916 wrote to memory of 1952 2916 explorer.exe 37 PID 2916 wrote to memory of 1952 2916 explorer.exe 37 PID 2916 wrote to memory of 1952 2916 explorer.exe 37 PID 816 wrote to memory of 1672 816 svchost.exe 38 PID 816 wrote to memory of 1672 816 svchost.exe 38 PID 816 wrote to memory of 1672 816 svchost.exe 38 PID 816 wrote to memory of 1672 816 svchost.exe 38 PID 816 wrote to memory of 820 816 svchost.exe 42 PID 816 wrote to memory of 820 816 svchost.exe 42 PID 816 wrote to memory of 820 816 svchost.exe 42 PID 816 wrote to memory of 820 816 svchost.exe 42 PID 816 wrote to memory of 1800 816 svchost.exe 44 PID 816 wrote to memory of 1800 816 svchost.exe 44 PID 816 wrote to memory of 1800 816 svchost.exe 44 PID 816 wrote to memory of 1800 816 svchost.exe 44
Processes
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C:\Users\Admin\AppData\Local\Temp\Fortnite (1).exe"C:\Users\Admin\AppData\Local\Temp\Fortnite (1).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:1128 -
\??\c:\users\admin\appdata\local\temp\fortnite (1).exe"c:\users\admin\appdata\local\temp\fortnite (1).exe "2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176 -
\??\c:\users\admin\appdata\local\temp\fortnite (1).exe"c:\users\admin\appdata\local\temp\fortnite (1).exe "3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2660
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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:2248 -
\??\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:2916 -
\??\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:2516 -
\??\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:816 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1104
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 03:04 /f6⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1672
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 03:05 /f6⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:820
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 03:06 /f6⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1800
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe4⤵PID:1952
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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
MD5724223109e49cb01d61d63a8be926b8f
SHA1072a4d01e01dbbab7281d9bd3add76f9a3c8b23b
SHA2564e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210
SHA51219b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c
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Filesize
1.8MB
MD513e0653e90a091bde333f7e652ac6f8b
SHA1130f3271120487b4aac482af56f4de6673aaaeda
SHA256a89f9220c5afcb81b9a91f00b3bea9ed21ebd2cbae00785cbc2db264d90c862c
SHA512ad513df8f9a53cb3a8e5bc430a977c4079e7d7547fce43fe29288988ee458ff2ea922eb979582fe4c276e58cd6ef8d771bf6535170554b82c5d54d87caaf5366
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Filesize
992KB
MD50e0bac3d1dcc1833eae4e3e4cf83c4ef
SHA14189f4459c54e69c6d3155a82524bda7549a75a6
SHA2568a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae
SHA512a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd
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Filesize
32.8MB
MD55004a36fe7495f94a5e619b6a37055f1
SHA14400401d2429054eb9aa3cb431db1385cab0c565
SHA25669b7137f3d09cf45d2c57d7bc55a336a6de83b6440200423450b0ff5eec5cc1f
SHA51245e518d39e68ba842cec824dc6773c0f02a025e4925934e45767a5508fc69f55c8b3d73b5461668022ccadeb9c757fd75107a7cfe158cbb6700c43a89018e952
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Filesize
135KB
MD59759d94299911179c688b077d2d638ca
SHA1e6176206c5fb5c5aa85f9ad058245f2457037021
SHA256e8574ab9b6a14e3a854f3e8e4a8d9d73720a566e1b1261c082bf88fc34d99e8a
SHA5122e710d6fc730f3006c3ab0fd42be16bc61cce6273df8c2b9e900f527534adc661602ddb78434bc75e36460e48b6d314ceb1e697d53b24ef385d6f249aef5ccd9
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Filesize
135KB
MD5103ecbb031749a7d6e1292d0223b6912
SHA1dab21c5cb2963eb95e8abfcd670b854c9ca3b80b
SHA256c472412f580b131ed9a361e2d6d07197f1f3811cf62e343c437fd2ccfccf8f0a
SHA512c281d507009011246241937ae3863a7c7c016ddc548f10d01b1ec96624a0e817c3e3ed593e018846cb11295507c9bf89635cc185fbecef8862701e7835e10537
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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
MD5517eb9e2cb671ae49f99173d7f7ce43f
SHA14ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab
SHA25657cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54
SHA512492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be
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Filesize
21KB
MD5d12403ee11359259ba2b0706e5e5111c
SHA103cc7827a30fd1dee38665c0cc993b4b533ac138
SHA256f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781
SHA5129004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0
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Filesize
135KB
MD5042385328be4a72938e0f4ea469f4926
SHA15ef75b824db006553860bb8d618b9f6064a54a88
SHA2562063b78ffb61dfefc8e51fbd247df7fc9dc7768844e541204d1c3dbb33189412
SHA512546d4b0ffcf46657c5a57ab6ca3d2db74596d691b3def44fa6b65b1256881cec1d894628322fa87f24eaa5f21fbcbee07a5187f150606d8c2e58c9f730caa13c
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Filesize
135KB
MD5caec8e57ceaddfb9434d4f2400cbe7da
SHA11fce37a452f55a6bef2afb11e6762e164f3561d3
SHA25644975159e6908e2c657ba9e8fa92cc590571136ed839a7d8b8e00d0d150a8d0f
SHA5126fddaed71b1ff801c3742038cad4dc4f8116b5197a93e986c452b217f38fb37f4036adb3cea76798476dcb8dbdd8a0b9b0e3c41872f4f60cef35d2c239e0d67d