Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02/11/2024, 21:13
Behavioral task
behavioral1
Sample
31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
14 signatures
150 seconds
General
-
Target
31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe
-
Size
200KB
-
MD5
b7eb6597ef5235f90e9051e43c1ce094
-
SHA1
1d1dad66478610edaff849cdedc8d32481f1005f
-
SHA256
31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c
-
SHA512
3c12470422cb097f25bb1b3f4bb057d0e4c061248019618c6b69e0a1af8f95c3eb411518889264d7bbb6626968b733749843216556b5cc3952746b7ab37f60ad
-
SSDEEP
1536:JxqjQ+P04wsmJCHQCmC+WzV7Q3v1A59UV/aqm2IMZ1RFbfxFTxtkFDoh382JPgmP:sr85CHLkRiqEEhxlZJr85C
Score
10/10
Malware Config
Signatures
-
Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x000600000002021e-15.dat family_neshta behavioral2/memory/1120-95-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1120-96-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/1120-98-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
-
Neshta family
-
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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe -
Executes dropped EXE 1 IoCs
pid Process 2816 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.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\" %*" 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe -
Reads user/profile data of web browsers 3 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\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
pid pid_target Process procid_target 4476 2816 WerFault.exe 85 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.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\" %*" 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1120 wrote to memory of 2816 1120 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe 85 PID 1120 wrote to memory of 2816 1120 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe 85 PID 1120 wrote to memory of 2816 1120 31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe"C:\Users\Admin\AppData\Local\Temp\31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.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:1120 -
C:\Users\Admin\AppData\Local\Temp\3582-490\31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2816 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 4083⤵
- Program crash
PID:4476
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2816 -ip 28161⤵PID:760
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
86KB
MD53b73078a714bf61d1c19ebc3afc0e454
SHA19abeabd74613a2f533e2244c9ee6f967188e4e7e
SHA256ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
SHA51275959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
-
C:\Users\Admin\AppData\Local\Temp\3582-490\31ef087387c535405aae17a28631062907c1f8afa152c8859adac155c0a1c12c.exe
Filesize160KB
MD5b79e28eb09ffc78ecbe42e39b22a2cfe
SHA17bd0109dd6f11ff77d89ca110b5e5127dc467812
SHA256638530d5b14937ec6597780ce83037fcd5ee5b04de187103cd21d81c114a1d26
SHA5127d935597c61bfe6420684cf72ec261eadf72083f9767a00681a57234c9c6eaf1d88e06328147eb29de591573fd88d028f730631d27c7e0eb525061ab900908ce