Analysis
- max time kernel
107s - max time network
108s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
25/07/2024, 09:22
Behavioral task
behavioral1
Sample
b1b0ac9f14c837c0fbec00bba8a658c0N.exe
Resource
win7-20240704-en
windows7-x64
12 signatures
120 seconds
Behavioral task
behavioral2
Sample
b1b0ac9f14c837c0fbec00bba8a658c0N.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
12 signatures
120 seconds
General
- Target b1b0ac9f14c837c0fbec00bba8a658c0N.exe
- Size 189KB
- Sample240725-lb59wstbqa
- SHA256 14f3c251ec442ffe7a70f0d554202eba9143b9ea52eb61b546195b560e7abe9c
- MD5 b1b0ac9f14c837c0fbec00bba8a658c0
- SHA1 47499daa16a4344f9c94045a88ae78e31ecdfc24
- SHA512 97b088864470d9dc025c9f74bc7bb7102a3f8d0962447860179b597599d10de67dd7b54d3f32018d3802ee9dc56fe8d7fce455f2f25b7913d3aee534250b884d
- SSDEEP 3072:sr85Cs08iRQ1G78IVn2sbS7cJN8lt0CiS4omp03WQthI/9S3BZh:k9s0a1G78IVAcjctTiS4ompB9S3BZh
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x0006000000020233-15.dat family_neshta behavioral2/memory/4932-97-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4932-98-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4932-100-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta - Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
- 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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation b1b0ac9f14c837c0fbec00bba8a658c0N.exe - Executes dropped EXE 1 IoCs
pid Process 1664 b1b0ac9f14c837c0fbec00bba8a658c0N.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\" %*" b1b0ac9f14c837c0fbec00bba8a658c0N.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13187~1.41\MICROS~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE b1b0ac9f14c837c0fbec00bba8a658c0N.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com b1b0ac9f14c837c0fbec00bba8a658c0N.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 b1b0ac9f14c837c0fbec00bba8a658c0N.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\" %*" b1b0ac9f14c837c0fbec00bba8a658c0N.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4932 wrote to memory of 1664 4932 b1b0ac9f14c837c0fbec00bba8a658c0N.exe 84 PID 4932 wrote to memory of 1664 4932 b1b0ac9f14c837c0fbec00bba8a658c0N.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\b1b0ac9f14c837c0fbec00bba8a658c0N.exe"C:\Users\Admin\AppData\Local\Temp\b1b0ac9f14c837c0fbec00bba8a658c0N.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:4932 -
C:\Users\Admin\AppData\Local\Temp\3582-490\b1b0ac9f14c837c0fbec00bba8a658c0N.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\b1b0ac9f14c837c0fbec00bba8a658c0N.exe"2⤵
- Executes dropped EXE
PID:1664
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
- Size 86KB
- SHA256 ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
- MD5 3b73078a714bf61d1c19ebc3afc0e454
- SHA1 9abeabd74613a2f533e2244c9ee6f967188e4e7e
- SHA512 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
- SSDEEP 1536:JxqjQ+P04wsmJCNgh/sE/EkHd0Ci2zkQASqk+H6L2C:sr85CysEM6GC+QA8+HlC
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3582-490\b1b0ac9f14c837c0fbec00bba8a658c0N.exe
- Size 149KB
- SHA256 44cf588f0670e39dc14239e7848f5cede11d3e1d505bcbc06ff231218f8281a1
- MD5 bf18d9eff528d0f448987f32d7fe359f
- SHA1 39eb088079a64b4ba11bd50c9c2c7a07f130f9d3
- SHA512 5802cbef5b2c87683753a7caaf2e560f7ceb198c0cec81ecedac57820a7b98a5e41a5f3ef2ee36acee571e49cfd94067d65e23ced5d3763492dadaf9eae1b90e
- SSDEEP 3072:TiS4omp03WQthI/9S3BZi08iRQ1G78IVn2sbS7cJN8lt0:TiS4ompB9S3BZi0a1G78IVAcjct
- MD5 SHA1 SHA512 SSDEEP