Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
30/05/2024, 02:55
Behavioral task
behavioral1
Sample
caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe
Resource
win7-20240215-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe
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Size
2.6MB
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MD5
67629f6937b6c7f2af0acc561a769135
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SHA1
23b7a3ede18b72b8e0df96a7c34fd9ddfbd85bfd
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SHA256
caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9
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SHA512
c1549466327f44e85f0d5d66a701286a533035b6ce6727c37eb0b31da6693886b2afd0d9c887e3854421b4dcfdb3942b95d5c5a0eebf70d283c43d51b01757ac
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SSDEEP
49152:XMdaVo/8XhhK9g3Xa9CZFrUzp4TdJGmGUSDYRT6dqHcvU7FwFY9L:X0aVo/u0oq4ZFrUl4zGUSDYuq8vUR
Score
10/10
Malware Config
Signatures
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Detect Neshta payload 2 IoCs
resource yara_rule behavioral1/files/0x000100000001030c-12.dat family_neshta behavioral1/memory/2328-87-0x0000000000400000-0x000000000041B000-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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Executes dropped EXE 1 IoCs
pid Process 2208 caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe -
Loads dropped DLL 2 IoCs
pid Process 2328 caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe 2328 caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.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\" %*" caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe -
Reads user/profile data of web browsers 2 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\MICROS~1\Office14\WORDICON.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2208 caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe 2208 caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2328 wrote to memory of 2208 2328 caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe 28 PID 2328 wrote to memory of 2208 2328 caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe 28 PID 2328 wrote to memory of 2208 2328 caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe 28 PID 2328 wrote to memory of 2208 2328 caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe"C:\Users\Admin\AppData\Local\Temp\caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe"1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Users\Admin\AppData\Local\Temp\3582-490\caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2208
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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
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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\Users\Admin\AppData\Local\Temp\3582-490\caf87fd3ab3f6d99aa0da2730403c8686fca5af85853a58a94a9d7b7847b70e9.exe
Filesize2.5MB
MD513a88775959a76cff7978300955516db
SHA14f052cef9b968e073e5416e4b6df8029a8f972aa
SHA256d56e124517021ca1ca50745c7ba260dd6edda496f301470747fcac52770ccb44
SHA51201e082dcca3caf7765af7a4b3acb5f12daace5f3103a6d74290e0eba1c937acfb75823ffb1ca8ccc2e1dfd11318b30aed393053e06bb6dbd78a2f57ceafe78b3