Analysis
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max time kernel
95s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-01-2025 07:12
Behavioral task
behavioral1
Sample
Avix.exe
Resource
win7-20240903-en
windows7-x64
19 signatures
150 seconds
General
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Target
Avix.exe
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Size
114KB
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MD5
724b790c9d782df5a52ca14ac32235db
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SHA1
26cb3b209100ed82968f97ff891909dfcf7af982
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SHA256
0e8cb86b94be8ce8dd3490f54025d2824cd36845b4e64d839303fbb4f6ec0a19
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SHA512
d7d17527ee7416a6830b0dd145b145ba0ab602a9b34797235e110cb7dfe17e23458884da159d3502e4e1303ca08654208e4273ad3d4b19caf7eecae91f0edb97
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SSDEEP
3072:sr85C/1bfUQLBYsUOcx/5bHfPMV6e9VdQsl:k9dbsC9aHfPMV6aesl
Malware Config
Extracted
Family
asyncrat
Version
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Botnet
ninja
C2
127.0.0.1:4449
Mutex
yo
Attributes
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delay
1
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install
true
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install_file
yo.exe
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install_folder
%AppData%
aes.plain
Signatures
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Asyncrat family
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Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x0006000000020228-19.dat family_neshta behavioral2/memory/208-100-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/208-101-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/208-103-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Neshta family
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resource yara_rule behavioral2/files/0x000c000000023b74-4.dat VenomRAT behavioral2/memory/2508-13-0x0000000000CD0000-0x0000000000CE8000-memory.dmp VenomRAT -
Venomrat family
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Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000c000000023b74-4.dat family_asyncrat -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation Avix.exe -
Executes dropped EXE 1 IoCs
pid Process 2508 Avix.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" Avix.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE Avix.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe Avix.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE Avix.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE Avix.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe Avix.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe Avix.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe Avix.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE Avix.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe Avix.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE Avix.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE Avix.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE Avix.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe Avix.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe Avix.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE Avix.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe Avix.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE Avix.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe Avix.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE Avix.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE Avix.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe Avix.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe Avix.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe Avix.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE Avix.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE Avix.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE Avix.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe Avix.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe Avix.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE Avix.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe Avix.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE Avix.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE Avix.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com Avix.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 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 Avix.exe -
Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" Avix.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 2508 Avix.exe Token: SeIncreaseQuotaPrivilege 2508 Avix.exe Token: SeSecurityPrivilege 2508 Avix.exe Token: SeTakeOwnershipPrivilege 2508 Avix.exe Token: SeLoadDriverPrivilege 2508 Avix.exe Token: SeSystemProfilePrivilege 2508 Avix.exe Token: SeSystemtimePrivilege 2508 Avix.exe Token: SeProfSingleProcessPrivilege 2508 Avix.exe Token: SeIncBasePriorityPrivilege 2508 Avix.exe Token: SeCreatePagefilePrivilege 2508 Avix.exe Token: SeBackupPrivilege 2508 Avix.exe Token: SeRestorePrivilege 2508 Avix.exe Token: SeShutdownPrivilege 2508 Avix.exe Token: SeDebugPrivilege 2508 Avix.exe Token: SeSystemEnvironmentPrivilege 2508 Avix.exe Token: SeRemoteShutdownPrivilege 2508 Avix.exe Token: SeUndockPrivilege 2508 Avix.exe Token: SeManageVolumePrivilege 2508 Avix.exe Token: 33 2508 Avix.exe Token: 34 2508 Avix.exe Token: 35 2508 Avix.exe Token: 36 2508 Avix.exe Token: SeIncreaseQuotaPrivilege 2508 Avix.exe Token: SeSecurityPrivilege 2508 Avix.exe Token: SeTakeOwnershipPrivilege 2508 Avix.exe Token: SeLoadDriverPrivilege 2508 Avix.exe Token: SeSystemProfilePrivilege 2508 Avix.exe Token: SeSystemtimePrivilege 2508 Avix.exe Token: SeProfSingleProcessPrivilege 2508 Avix.exe Token: SeIncBasePriorityPrivilege 2508 Avix.exe Token: SeCreatePagefilePrivilege 2508 Avix.exe Token: SeBackupPrivilege 2508 Avix.exe Token: SeRestorePrivilege 2508 Avix.exe Token: SeShutdownPrivilege 2508 Avix.exe Token: SeDebugPrivilege 2508 Avix.exe Token: SeSystemEnvironmentPrivilege 2508 Avix.exe Token: SeRemoteShutdownPrivilege 2508 Avix.exe Token: SeUndockPrivilege 2508 Avix.exe Token: SeManageVolumePrivilege 2508 Avix.exe Token: 33 2508 Avix.exe Token: 34 2508 Avix.exe Token: 35 2508 Avix.exe Token: 36 2508 Avix.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 208 wrote to memory of 2508 208 Avix.exe 83 PID 208 wrote to memory of 2508 208 Avix.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\Avix.exe"C:\Users\Admin\AppData\Local\Temp\Avix.exe"1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Users\Admin\AppData\Local\Temp\3582-490\Avix.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\Avix.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2508
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD53b73078a714bf61d1c19ebc3afc0e454
SHA19abeabd74613a2f533e2244c9ee6f967188e4e7e
SHA256ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
SHA51275959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
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Filesize
74KB
MD58528d4a574189b44ea85e109ad2b4be8
SHA1f538d227b6feab2b505d5a0219699e7018c770d1
SHA2569b6f81ae321ce860d86d8b8e498ed391a0f184f7c1fe36234f6f8c1082b9c4cb
SHA5126f6c877e0567c120ff0b0fce4d696ebb2108fc6a54437da0a8c0b59a1eca4ad3998daae839370728cd93973e67893cf5cf0110c9f9182fe4d1f2ada6aaa53466