Analysis
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max time kernel
15s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27-10-2024 02:33
Behavioral task
behavioral1
Sample
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe
Resource
win10v2004-20241007-en
General
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Target
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe
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Size
1.4MB
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MD5
0d32e3c66af8ca083cf5d1b0200ff770
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SHA1
d26bc56a0921c88b6bd6eac34899473172b79f3a
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SHA256
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82
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SHA512
bc453bfdb9e521109f80b602c50adb8791be71a9496cff28b81453fd1ceb5c0fa1af6a937899a161ed953a87f8c195f362988fbef5acf2968f588b5562f6722f
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SSDEEP
24576:8v2XwKvHoBHErvOmnD4TxJeUrtONbcDvX+ZRDSq9yG0+GYCwdD5sguoaDEy4lFYv:PvyiUTxwuoNbxzyG0QCKD5daDEyUk
Malware Config
Signatures
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Detect Neshta payload 3 IoCs
Processes:
resource yara_rule behavioral1/files/0x0001000000010314-13.dat family_neshta behavioral1/memory/2236-99-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2236-101-0x0000000000400000-0x000000000041B000-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
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exeb1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exepid Process 2656 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 2088 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Loads dropped DLL 4 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exeb1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exepid Process 2236 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 2236 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 2656 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 2236 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.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
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Drops file in Windows directory 1 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process File opened for modification C:\Windows\svchost.com b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exeb1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exeb1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Modifies registry class 1 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exeb1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exedescription pid Process procid_target PID 2236 wrote to memory of 2656 2236 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 30 PID 2236 wrote to memory of 2656 2236 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 30 PID 2236 wrote to memory of 2656 2236 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 30 PID 2236 wrote to memory of 2656 2236 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 30 PID 2656 wrote to memory of 2088 2656 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 32 PID 2656 wrote to memory of 2088 2656 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 32 PID 2656 wrote to memory of 2088 2656 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 32 PID 2656 wrote to memory of 2088 2656 b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe"C:\Users\Admin\AppData\Local\Temp\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.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:2236 -
C:\Users\Admin\AppData\Local\Temp\3582-490\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Users\Admin\AppData\Local\Temp\3582-490\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe" -z23⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2088
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
547KB
MD5cf6c595d3e5e9667667af096762fd9c4
SHA19bb44da8d7f6457099cb56e4f7d1026963dce7ce
SHA256593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d
SHA512ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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\Users\Admin\AppData\Local\Temp\3582-490\b1f830036add9b0d915cd54f916cd444c6816f69bbf202db14da646fa72a5b82N.exe
Filesize1.3MB
MD546559af116df2b4c0878fe2bc1ac5c74
SHA1025a6391bdc39eda9e1efe572fdea83663ee8431
SHA2565234bb1bf805030c5a93d900a4305dccaf63c1dd15ba5ac067f152e6416ac296
SHA512ef33645ea674a33fdc3cf65302c78658463ad20b10472077964e0988942e6a4b6ff8f59ff432e91c9d3539d68dfb4abb723af7dc77da92d570356a791907bfaf