Analysis
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max time kernel
134s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
18-09-2022 22:53
Static task
static1
Behavioral task
behavioral1
Sample
7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe
Resource
win10v2004-20220901-en
General
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Target
7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe
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Size
128KB
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MD5
2342a106181d72c9dc39c20631b8cd41
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SHA1
7cfabd6ca5ef88ce53586da0c1d9bacd7896eed3
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SHA256
7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2
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SHA512
68f2fe662b0425302146ab7a3b7233bffb914d46459976b5dfd89d973ed729f5ded670df2d27adb31a862bc59ae88e39b89cce379d16e46730bafb060fad9e75
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SSDEEP
3072:Hh1Qy3enbhcsUD/yv4PlkTHx9BAi9RVRoKXYfyhnC:Hcy3+9q6vjWAVynytC
Malware Config
Signatures
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resource yara_rule behavioral2/files/0x0003000000022dc3-132.dat vmprotect -
Loads dropped DLL 1 IoCs
pid Process 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe -
Drops file in System32 directory 12 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\nvuais2.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File created C:\Windows\SysWOW64\nvuais3.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File opened for modification C:\Windows\SysWOW64\nvuais4.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File created C:\Windows\SysWOW64\nvuais4.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File created C:\Windows\SysWOW64\nvuais5.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File created C:\Windows\SysWOW64\mvewia.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File opened for modification C:\Windows\SysWOW64\nvuais1.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File created C:\Windows\SysWOW64\nvuais1.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File created C:\Windows\SysWOW64\vixgtsfep.dll 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File created C:\Windows\SysWOW64\nvuais2.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File opened for modification C:\Windows\SysWOW64\nvuais3.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe File opened for modification C:\Windows\SysWOW64\nvuais5.dat 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe -
Suspicious behavior: LoadsDriver 2 IoCs
pid Process 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe 660 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeLoadDriverPrivilege 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2860 wrote to memory of 4296 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe 83 PID 2860 wrote to memory of 4296 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe 83 PID 2860 wrote to memory of 4296 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe 83 PID 2860 wrote to memory of 4268 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe 84 PID 2860 wrote to memory of 4268 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe 84 PID 2860 wrote to memory of 4268 2860 7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe"C:\Users\Admin\AppData\Local\Temp\7c52172af8ae6fadbfcc2ba18401a293649e5a8670dda9a8f78f2f11b0e5b2b2.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe c:\Progra~1\dnf\vixgtsfep.dll Porn2⤵PID:4296
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\7C5217~1.EXE2⤵PID:4268
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
108KB
MD55f8a5359579310153589d37ec1409db3
SHA1aaa6eff4a812d0a6368725289fe3a7fe98b8f3ca
SHA2561ce7792b215f825addee74c350aa0c656a2ea7d4e3f11732c8281b5b509902f7
SHA512ea1f59e1b34db901aefa00afc7734f91a29cc1350e4aeb21a469945ac58c0bcee11331a7f85316dddbbf497d2b554c895cb2d6d622b4b47e7e3d6f6015e40ab8