Analysis
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max time kernel
119s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
29/10/2024, 02:27
Behavioral task
behavioral1
Sample
43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe
Resource
win7-20240708-en
windows7-x64
13 signatures
120 seconds
Behavioral task
behavioral2
Sample
43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
13 signatures
120 seconds
General
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Target
43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe
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Size
152KB
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MD5
14a032b60d2a38ee9dca3e8ae9b8c950
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SHA1
46151c301f2de69532b138be06f81fe17191e3d7
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SHA256
43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0
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SHA512
df276981966b482c482360fdcc3a579ddf465f02d8c21657db83c99c0bd24ff741f6dc5f598226bf3d97bbee6b16f48dd7e7bc1356dff6bc6c036cdbe62379ff
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SSDEEP
3072:sr85CP13ANXPLJ+m3I2X1OV76pC/3QSXpajcz0M656T8egfa:k9PSPAgEcA3bZaj+CC
Score
10/10
Malware Config
Signatures
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Detect Neshta payload 3 IoCs
resource yara_rule behavioral1/files/0x0001000000010314-10.dat family_neshta behavioral1/memory/2104-83-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2104-85-0x0000000000400000-0x000000000041B000-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 1 IoCs
pid Process 2444 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe -
Loads dropped DLL 2 IoCs
pid Process 2104 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe 2104 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.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\" %*" 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.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
description ioc Process File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.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 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 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.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\" %*" 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2104 wrote to memory of 2444 2104 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe 30 PID 2104 wrote to memory of 2444 2104 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe 30 PID 2104 wrote to memory of 2444 2104 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe 30 PID 2104 wrote to memory of 2444 2104 43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe"C:\Users\Admin\AppData\Local\Temp\43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.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:2104 -
C:\Users\Admin\AppData\Local\Temp\3582-490\43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe"2⤵
- Executes dropped EXE
PID:2444
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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\43a20b8ec55018f21299de992dd78ff354c4fce604e894e50b5b1432e39d27e0N.exe
Filesize111KB
MD589286cfd5ddd07919d7703062c1165d4
SHA181f399231145192641308b5ab61a92affa4b4fa1
SHA2568ea171da37d615c1c51acc77f54bfae2bec9420ed860dc6aa0f8290ddec12c5d
SHA512d9d69051c91e0818cd10fcf727bf00ec9d95e0e2be1888eec8233a73964cecec8b44851a6723ba9379f6b389acbfff9ee0ba3ba4a0879f4e684fe428b07b92cc