Analysis
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max time kernel
118s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30-11-2024 10:41
Behavioral task
behavioral1
Sample
virussign.com_c258627dc4713143f84e08683d0b75d0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
virussign.com_c258627dc4713143f84e08683d0b75d0.exe
Resource
win10v2004-20241007-en
General
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Target
virussign.com_c258627dc4713143f84e08683d0b75d0.exe
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Size
5.6MB
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MD5
c258627dc4713143f84e08683d0b75d0
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SHA1
ce737c10059a33305ea08be0189c949d5f282c88
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SHA256
d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6
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SHA512
c3b51312fdc60579a524f6c398b1aff8c0a0dadb0ed893bb6bb6030756e7b00aa6cf7db0848fa93953ff8b1f2d1c18c5494aeaad11ce5bb5367fe7cd458a88b3
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SSDEEP
98304:3WpYFiMWrWb3axxkSNGFt01gP3nNqiJ+Jhki7:GpsV3axxzN806vNLQ7
Malware Config
Signatures
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Detect Neshta payload 3 IoCs
resource yara_rule behavioral1/files/0x0001000000010314-9.dat family_neshta behavioral1/memory/2248-106-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2248-108-0x0000000000400000-0x000000000041B000-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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Executes dropped EXE 2 IoCs
pid Process 2768 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 2664 virussign.com_c258627dc4713143f84e08683d0b75d0.exe -
Loads dropped DLL 3 IoCs
pid Process 2248 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 2768 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 2248 virussign.com_c258627dc4713143f84e08683d0b75d0.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\" %*" virussign.com_c258627dc4713143f84e08683d0b75d0.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\WI54FB~1\wmlaunch.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE virussign.com_c258627dc4713143f84e08683d0b75d0.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com virussign.com_c258627dc4713143f84e08683d0b75d0.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 virussign.com_c258627dc4713143f84e08683d0b75d0.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\" %*" virussign.com_c258627dc4713143f84e08683d0b75d0.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 virussign.com_c258627dc4713143f84e08683d0b75d0.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 virussign.com_c258627dc4713143f84e08683d0b75d0.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2664 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 2664 virussign.com_c258627dc4713143f84e08683d0b75d0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 2664 virussign.com_c258627dc4713143f84e08683d0b75d0.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2248 wrote to memory of 2768 2248 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 30 PID 2248 wrote to memory of 2768 2248 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 30 PID 2248 wrote to memory of 2768 2248 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 30 PID 2248 wrote to memory of 2768 2248 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 30 PID 2768 wrote to memory of 2664 2768 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 31 PID 2768 wrote to memory of 2664 2768 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 31 PID 2768 wrote to memory of 2664 2768 virussign.com_c258627dc4713143f84e08683d0b75d0.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\virussign.com_c258627dc4713143f84e08683d0b75d0.exe"C:\Users\Admin\AppData\Local\Temp\virussign.com_c258627dc4713143f84e08683d0b75d0.exe"1⤵
- Loads dropped DLL
- 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:2248 -
C:\Users\Admin\AppData\Local\Temp\3582-490\virussign.com_c258627dc4713143f84e08683d0b75d0.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\virussign.com_c258627dc4713143f84e08683d0b75d0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2768 -
C:\Users\Admin\AppData\Local\Temp\3582-490\virussign.com_c258627dc4713143f84e08683d0b75d0.exeC:\Users\Admin\AppData\Local\Temp\3582-490\virussign.com_c258627dc4713143f84e08683d0b75d0.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktopGX --annotation=ver=95.0.4635.88 --initial-client-data=0x144,0x148,0x14c,0x118,0x150,0x14045dbf8,0x14045dc08,0x14045dc183⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2664
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
547KB
MD5cf6c595d3e5e9667667af096762fd9c4
SHA19bb44da8d7f6457099cb56e4f7d1026963dce7ce
SHA256593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d
SHA512ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80
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C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\reports\0b9928a3-88f3-4021-b384-69d37572561c.dmp
Filesize176KB
MD533f54c03d434649418a64fe7c1e049cb
SHA12611c9a4cd45acf141ed64af0893765154342c54
SHA256347ca0f77a2621d5b07b4c9c059af9901c983fc82bc355e9b71351cae2db7c2a
SHA512e18300ad269659dc82b45a0eff4494abcb4124dc1d400e9e3748bb040632e57a0e0523c0a0d9a438674dc112d36be19ee6522a4fb344a6fd2a31fb2b75a2f6b9
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Filesize
40B
MD5bc2cb996b206ef3258c324e6cea0751a
SHA10dec9f08629485ba2b95e4e05d54a2e015856ce1
SHA2561f2c2789adf06b0262ddfa556b39478a8d1574ffa3742379badb413cd12e21cd
SHA5127d23b01ce32fed8cb903f7505f4211d5d01001edeb3b495686cc95173086de2c9232e9d223782a66ccce02bfbabe88205186d34667ce6e2a409c9f9b86e905c5
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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Filesize
5.6MB
MD5386238555736770273cc52c7b62992d1
SHA1eabd86814cf03cf3a1323c58cdfba914e3505ccc
SHA25616ba4e3b2788a938e2ce81b2d6aedeaf35926b1d03573bf6574423cd4d39ab85
SHA512ddad84d886a803a9c978665fa126c32671719edf8504e42b8ace0b161d14d982501f8fc45490b409af548a24a54a71ed19a9b8c1394cda7c9be018c7d34afa9e