Analysis
- max time kernel
94s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system - submitted
08/07/2024, 08:40
Behavioral task
behavioral1
Sample
Files_/7z.exe
Resource
win7-20240705-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
Files_/7z.exe
Resource
win10v2004-20240704-en
11 signatures
150 seconds
Behavioral task
behavioral3
Sample
Files_/svchost.exe
Resource
win7-20240508-en
8 signatures
150 seconds
Behavioral task
behavioral4
Sample
Files_/svchost.exe
Resource
win10v2004-20240704-en
7 signatures
150 seconds
General
- Target Files_/7z.exe
- Size 205KB
- Sample240708-kk8wpstcje
- SHA256 dcd991e908b442aabbb173c5dcc29bb2f1444d64e128a989b281ebb9afc9a1b0
- MD5 9c74d05e6282ad6f1c31095dc24e82ae
- SHA1 27995b235ea2a5950a443e72df9e03e76ffe3aeb
- SHA512 a6f83e4d860dc1fc2f50ce6dfdd3c2b466018b71002eb701bfc54ee6d37119fa348bf59edb600c9c432aa0dfd5e6115393e023648957be002f920beb4ef8c775
- SSDEEP 3072:sr85CHiF2YuVvF193D17UCT1WxXG4JZHyL9AktY7+JJcfw320Ig0skKCnF:k9q2Ddp7h1KXJZHMtY7Og1A0sfCF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x00060000000202bd-15.dat family_neshta behavioral2/memory/3328-104-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3328-105-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/3328-107-0x0000000000400000-0x000000000041B000-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-1-5-21-587429654-1855694383-2268796072-1000\Control Panel\International\Geo\Nation 7z.exe - Executes dropped EXE 1 IoCs
pid Process 3920 7z.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\" %*" 7z.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\READER~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13187~1.41\MICROS~3.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE 7z.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13187~1.41\MI391D~1.EXE 7z.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe 7z.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe 7z.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 7z.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe 7z.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 7z.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13187~1.41\MIA062~1.EXE 7z.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE 7z.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe 7z.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE 7z.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 7z.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe 7z.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE 7z.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE 7z.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE 7z.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe 7z.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE 7z.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13187~1.41\MICROS~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13187~1.41\MI9C33~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13187~1.41\MICROS~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 7z.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpconfig.exe 7z.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 7z.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE 7z.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 7z.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 7z.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 7z.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 7z.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE 7z.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE 7z.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 7z.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE 7z.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe 7z.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE 7z.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe 7z.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe 7z.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 7z.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE 7z.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE 7z.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE 7z.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE 7z.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13187~1.41\MICROS~2.EXE 7z.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 7z.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe 7z.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE 7z.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 7z.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\" %*" 7z.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3328 wrote to memory of 3920 3328 7z.exe 83 PID 3328 wrote to memory of 3920 3328 7z.exe 83 PID 3328 wrote to memory of 3920 3328 7z.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\Files_\7z.exe"C:\Users\Admin\AppData\Local\Temp\Files_\7z.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:3328 -
C:\Users\Admin\AppData\Local\Temp\3582-490\7z.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\7z.exe"2⤵
- Executes dropped EXE
PID:3920
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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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\7z.exe
- Size 164KB
- SHA256 34054651da2b197a040b1906b3c28d52f136c62676f1bf0b967c1fab7b2156ca
- MD5 a1efcedc97c76b356f7ffa7cf909d733
- SHA1 8fbe4a34d3afebb12314207df657993350ed2778
- SHA512 ca5c5614ef246c7b9a901d2f03d6ca4ee31e54a7fbfed226f35c1de62337d7f4755e9e8defc958d373d4c51d7c0541833a87892adddde41c0b66bf0ad4ea7ff8
- SSDEEP 3072:g20Ig0skKCnPiF2YuVvF193D17UCT1WxXG4JZHyL9AktY7+JJcfw:bA0sfCy2Ddp7h1KXJZHMtY7Og
- MD5 SHA1 SHA512 SSDEEP