Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 06:34
Behavioral task
behavioral1
Sample
bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe
Resource
win10v2004-20241007-en
General
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Target
bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe
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Size
889KB
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MD5
474266bc033b8e2a5c5ba5e3401654e0
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SHA1
209449bf991617f0cbfff1dc13aed5526aeb019e
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SHA256
bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33
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SHA512
016c395aa3fcc138ac686dea72065337d6a546a8224617fb33cade4eb82245a2950dcfd3e02860ece2a0300fc83d0d3a20590b8de38bbe10bbdd15cbd7759927
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SSDEEP
24576:WgcTNFhhpPhcLKrlJLxdloxADMSjZqXZL3FTmv1T:QTzzpPhaCLOqtjZObk
Malware Config
Signatures
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Detect Neshta payload 3 IoCs
resource yara_rule behavioral1/files/0x0001000000010314-10.dat family_neshta behavioral1/memory/2364-194-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2364-196-0x0000000000400000-0x000000000041B000-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 2700 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe -
Loads dropped DLL 4 IoCs
pid Process 2364 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 2700 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 2364 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 2700 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.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\" %*" bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.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\Reader\A3DUTI~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.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 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 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe -
NSIS installer 2 IoCs
resource yara_rule behavioral1/files/0x00080000000173f4-2.dat nsis_installer_1 behavioral1/files/0x00080000000173f4-2.dat nsis_installer_2 -
Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2700 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2364 wrote to memory of 2700 2364 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 30 PID 2364 wrote to memory of 2700 2364 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 30 PID 2364 wrote to memory of 2700 2364 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 30 PID 2364 wrote to memory of 2700 2364 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 30 PID 2364 wrote to memory of 2700 2364 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 30 PID 2364 wrote to memory of 2700 2364 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 30 PID 2364 wrote to memory of 2700 2364 bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe"C:\Users\Admin\AppData\Local\Temp\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.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:2364 -
C:\Users\Admin\AppData\Local\Temp\3582-490\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
547KB
MD5cf6c595d3e5e9667667af096762fd9c4
SHA19bb44da8d7f6457099cb56e4f7d1026963dce7ce
SHA256593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d
SHA512ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80
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Filesize
1KB
MD5304bfc6c43e6872ac972e09f1710237e
SHA1875e01cbf84864e6c436046929b3ef5c7de0780a
SHA2561052654fc1421ca10043e4088b3c2eaa5443fc363803c6f4817792d7b88958ee
SHA5128f02b0d66bfd5ef36bef01a7c7d4613ef401528ffacd5e98c95b9b2dc60738319ba4bb231301b177888116a091f506df29f62d846846a558b860e9dcd739c5b0
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Filesize
1KB
MD58da094ccfd7382de6468792ec1032bd4
SHA1c9a899791a1f9411da0c4965d5a651395ab8e6a5
SHA25620353746e3b85bda4552da441694c065f377b3d9ac3bb9560c81bb3617e3fd3f
SHA512ae7443d92fc082dde0fcbc264294feb18e4361ac131588615fa6be6b6731abf762d3ed685631939477aa749b1190d2798a73086070a498b747deabe172d19165
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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\Users\Admin\AppData\Local\Temp\3582-490\bc77f59111c15312f1eff25a3980a2c34ae481027d1bf61306fb90a930a07b33N.exe
Filesize849KB
MD5e88af3cff30419550548facfc136875a
SHA17c9283984d27668f4c42cedcab8d77004abcc5c2
SHA256a0cc8032f85cbcee1618cc41f0d5cb6cc9e45774d2fda9701cc6b6c87f758987
SHA512e9d4176af49c17fb0df520a0cf2371e23b84b9c28a0bfcd487f15fee3abf75d4db1f8614cc7d66d25700ae52a04dbe18cd54c5cc7caa0c041cee102c8d96b479
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Filesize
14KB
MD5d753362649aecd60ff434adf171a4e7f
SHA13b752ad064e06e21822c8958ae22e9a6bb8cf3d0
SHA2568f24c6cf0b06d18f3c07e7bfca4e92afce71834663746cfaa9ddf52a25d5c586
SHA51241bf41add275867553fa3bd8835cd7e2a2a362a2d5670ccbfad23700448bad9fe0f577fb6ee9d4eb81dfc10d463b325b8a873fe5912eb580936d4ad96587aa6d
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Filesize
10KB
MD556a321bd011112ec5d8a32b2f6fd3231
SHA1df20e3a35a1636de64df5290ae5e4e7572447f78
SHA256bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1
SHA5125354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3