Analysis
- max time kernel
136s - max time network
104s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system - submitted
07/05/2024, 13:28
Behavioral task
behavioral1
Sample
a2124bf1b21f59787f5a447925b0f460_NEAS.exe
Resource
win7-20240220-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
a2124bf1b21f59787f5a447925b0f460_NEAS.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target a2124bf1b21f59787f5a447925b0f460_NEAS.exe
- Size 6.9MB
- Sample240507-qqnqlshe6s
- SHA256 d88caade13c9327e9bbdc9fad924e6da2c9584163cda32481212ddb8c0e2c97a
- MD5 a2124bf1b21f59787f5a447925b0f460
- SHA1 c85ebb363d9d8f392b58396f37b62082ff5ef466
- SHA512 bd794c26cec76d27456b027ac19fbfbbfbe89857d28a223c46dd76fe12d315e363ed4bb6a0263e784170b26211a0e52d9c28164c3b52f9cf9b19838591dd7f3b
- SSDEEP 196608:G6W1eUwZCRTXWFAef7aPPrE5vSxVfwhRASIKIIGy5:G6Ww8hGFAeDaXIJSxVfwhRweH
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x0006000000020252-15.dat family_neshta behavioral2/memory/1364-99-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1364-100-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1364-102-0x0000000000400000-0x000000000041B000-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-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation a2124bf1b21f59787f5a447925b0f460_NEAS.exe - Executes dropped EXE 1 IoCs
pid Process 2044 a2124bf1b21f59787f5a447925b0f460_NEAS.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\" %*" a2124bf1b21f59787f5a447925b0f460_NEAS.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~3\PACKAG~1\{57A73~1\VC_RED~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13185~1.29\MICROS~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE a2124bf1b21f59787f5a447925b0f460_NEAS.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe a2124bf1b21f59787f5a447925b0f460_NEAS.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com a2124bf1b21f59787f5a447925b0f460_NEAS.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" a2124bf1b21f59787f5a447925b0f460_NEAS.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1364 wrote to memory of 2044 1364 a2124bf1b21f59787f5a447925b0f460_NEAS.exe 83 PID 1364 wrote to memory of 2044 1364 a2124bf1b21f59787f5a447925b0f460_NEAS.exe 83 PID 1364 wrote to memory of 2044 1364 a2124bf1b21f59787f5a447925b0f460_NEAS.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\a2124bf1b21f59787f5a447925b0f460_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\a2124bf1b21f59787f5a447925b0f460_NEAS.exe"1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Users\Admin\AppData\Local\Temp\3582-490\a2124bf1b21f59787f5a447925b0f460_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\a2124bf1b21f59787f5a447925b0f460_NEAS.exe"2⤵
- Executes dropped EXE
PID:2044
-
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\a2124bf1b21f59787f5a447925b0f460_NEAS.exe
- Size 6.8MB
- SHA256 26b0e43c98aa2ddbeddaab4d1cea58f3c9aa3a28bb4269052415f311787aee53
- MD5 27e74dc93cb9cbde64e14a353526c6e8
- SHA1 9ff97d55cc83e456e42f8899a01ef3fffdeb7836
- SHA512 97fba63d66e140451fa22da19f2dabb29f19cab9dd7cf97a7f9ba2658dc5a5cf40ae5695fce084c719b55d6ab7305d0369e2d64f4c01ffb26005c459d03c6f9c
- SSDEEP 196608:B6W1eUwZCRTXWFAef7aPPrE5vSxVfwhRASIKIIGyQ:B6Ww8hGFAeDaXIJSxVfwhRweu
- MD5 SHA1 SHA512 SSDEEP