Analysis
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max time kernel
46s -
max time network
51s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
20-05-2021 05:40
Static task
static1
Behavioral task
behavioral1
Sample
CS SkinCHANGER.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
CS SkinCHANGER.exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral3
Sample
Free Discord Nitro.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral4
Sample
Free Discord Nitro.exe
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
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Target
Free Discord Nitro.exe
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Size
662KB
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MD5
98d08b7942589fe9e468a91f048dcd3d
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SHA1
af2950a505dd6e594f6f22305b939d5befafbe6f
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SHA256
2d18c676d4c1bbfa2939d36e88d95ece52af4220f0579a15d68642906a42f3c2
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SHA512
6672b5b900412a167d1d4e2bfaf4a2d901ed800cdb65f25645d498178839529dfb0de51610e59fb1de867a76fa8a82cdeb11ed4bfc55a4eefd356b510d62f4c5
Score
10/10
Malware Config
Signatures
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Suspicious use of NtCreateProcessExOtherParentProcess 3 IoCs
description pid Process procid_target PID 2648 created 2340 2648 WerFault.exe 79 PID 1640 created 3924 1640 iexplore.exe 82 PID 1640 created 3924 1640 iexplore.exe 82 -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WinNetwork.exe Free Discord Nitro.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WinNetwork.exe Free Discord Nitro.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral4/memory/424-120-0x0000000004B40000-0x0000000004B4A000-memory.dmp agile_net -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 424 set thread context of 2340 424 Free Discord Nitro.exe 79 -
Program crash 1 IoCs
pid pid_target Process procid_target 2648 2340 WerFault.exe 79 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete\C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{4B1DE54F-B93F-11EB-B2DB-6EE0A42A1E5F}.dat = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4B1DE54D-B93F-11EB-B2DB-6EE0A42A1E5F} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingDelete iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe -
Suspicious behavior: EnumeratesProcesses 40 IoCs
pid Process 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2340 Free Discord Nitro.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe 2648 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 424 Free Discord Nitro.exe Token: SeRestorePrivilege 2648 WerFault.exe Token: SeBackupPrivilege 2648 WerFault.exe Token: SeDebugPrivilege 2648 WerFault.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1640 iexplore.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1640 iexplore.exe 1640 iexplore.exe 3924 IEXPLORE.EXE 3924 IEXPLORE.EXE 3924 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 424 wrote to memory of 2416 424 Free Discord Nitro.exe 78 PID 424 wrote to memory of 2416 424 Free Discord Nitro.exe 78 PID 424 wrote to memory of 2416 424 Free Discord Nitro.exe 78 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 424 wrote to memory of 2340 424 Free Discord Nitro.exe 79 PID 1640 wrote to memory of 3924 1640 iexplore.exe 82 PID 1640 wrote to memory of 3924 1640 iexplore.exe 82 PID 1640 wrote to memory of 3924 1640 iexplore.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\Free Discord Nitro.exe"C:\Users\Admin\AppData\Local\Temp\Free Discord Nitro.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:424 -
C:\Users\Admin\AppData\Local\Temp\Free Discord Nitro.exe"C:\Users\Admin\AppData\Local\Temp\Free Discord Nitro.exe"2⤵PID:2416
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C:\Users\Admin\AppData\Local\Temp\Free Discord Nitro.exe"C:\Users\Admin\AppData\Local\Temp\Free Discord Nitro.exe"2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
PID:2340 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 11163⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2648
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -nohome1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1640 CREDAT:82945 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3924
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C:\Windows\SysWOW64\werfault.exewerfault.exe /h /shared Global\34bde6cbdc2348db954c4db977d3e8a5 /t 3868 /p 39241⤵PID:1232