Analysis
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max time kernel
16s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
29-12-2024 21:25
Behavioral task
behavioral1
Sample
37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe
Resource
win10v2004-20241007-en
General
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Target
37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe
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Size
349KB
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MD5
828518d090503ab6d73b3f247bbbcacc
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SHA1
f7dfd7d877912b575bb587812bc0eb1d14457618
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SHA256
37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2
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SHA512
942528c8157b14f4fee1f191433c8f091684a48310b993c95c63b97fd57f067f3a0e0465f0178acab0e86ea0a9821e446df7b3efb8f5ef47745c0e9a9554b593
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SSDEEP
3072:sr85CXY/yLhAHtDbrZkoT0Azw4rFOaH2tvhOEA1RJCir86SrSrv6Ia37n77v00hg:k9XY/yLaHtDPEMOs2t0EyL+yar740I
Malware Config
Signatures
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Detect Neshta payload 3 IoCs
resource yara_rule behavioral1/files/0x0001000000010319-10.dat family_neshta behavioral1/memory/1824-127-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/1824-129-0x0000000000400000-0x000000000041B000-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
pid Process 2248 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 2216 Un_A.exe -
Loads dropped DLL 9 IoCs
pid Process 1824 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 2248 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 2216 Un_A.exe 1824 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 2216 Un_A.exe 2216 Un_A.exe 2216 Un_A.exe 2216 Un_A.exe 2216 Un_A.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\" %*" 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.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\MICROS~1\Office14\SELFCERT.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Un_A.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\" %*" 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2216 Un_A.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1824 wrote to memory of 2248 1824 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 28 PID 1824 wrote to memory of 2248 1824 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 28 PID 1824 wrote to memory of 2248 1824 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 28 PID 1824 wrote to memory of 2248 1824 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 28 PID 2248 wrote to memory of 2216 2248 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 29 PID 2248 wrote to memory of 2216 2248 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 29 PID 2248 wrote to memory of 2216 2248 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 29 PID 2248 wrote to memory of 2216 2248 37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe"C:\Users\Admin\AppData\Local\Temp\37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.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:1824 -
C:\Users\Admin\AppData\Local\Temp\3582-490\37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2216
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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\37eb15a27115342058ddc30350a96999058ecbe17cea61d6ab968a24d56b57d2.exe
Filesize309KB
MD5e1b1bcb199239317a0cc0fdadfd6ac4e
SHA1f8ea68906d8ed415cf00b94d24e49e4f5e4110f3
SHA256b638cbb5673b3322cc506238b6e99c6a646249ab6a0069e5c7992291a9a00049
SHA5126ffeb1cf5ed0852e7d8ecff703cf5a60ffca6f5954531060552ce32def6dc6c8b388c302f13052ab98a2f2daa604f699fde0f189be2c9ec816726a88d3b53e27
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Filesize
100KB
MD5c6a6e03f77c313b267498515488c5740
SHA13d49fc2784b9450962ed6b82b46e9c3c957d7c15
SHA256b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
SHA5129870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
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Filesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
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Filesize
3KB
MD51cc7c37b7e0c8cd8bf04b6cc283e1e56
SHA10b9519763be6625bd5abce175dcc59c96d100d4c
SHA2569be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
SHA5127acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
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Filesize
6KB
MD5ec0504e6b8a11d5aad43b296beeb84b2
SHA191b5ce085130c8c7194d66b2439ec9e1c206497c
SHA2565d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
SHA5123f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57