Analysis
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max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
10-12-2023 13:46
Behavioral task
behavioral1
Sample
2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe
Resource
win10v2004-20231127-en
General
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Target
2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe
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Size
89KB
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MD5
c96aaea26eb68728d110271aff839957
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SHA1
738890a45ffe8e3f2972628c53eb0d3ef5d51390
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SHA256
fdfc6a52ba1cba4c242d0eb70fdcbaf2eb30dce8a39cecf179956457033730a6
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SHA512
292c1d579781655ab431eb5de949f69d84a6a73d9c50fa80b6a6b7ca5c7afd8e57e4ba49c12ac4d18d72de40ed5ba213ef62c4024e4bc932421071c9813b319a
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SSDEEP
1536:JxqjQ+P04wsmJCJygB2korxag318HxZATvnsblYOwwUB:sr85CJyS2koVp318RZEvsbyOCB
Malware Config
Signatures
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Detect Neshta payload 5 IoCs
resource yara_rule behavioral1/files/0x0001000000010324-13.dat family_neshta behavioral1/memory/2512-86-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2512-87-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2512-88-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2512-90-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
MAKOP ransomware payload 4 IoCs
resource yara_rule behavioral1/files/0x000700000001210a-2.dat family_makop behavioral1/files/0x000700000001210a-4.dat family_makop behavioral1/files/0x000700000001210a-6.dat family_makop behavioral1/files/0x000700000001210a-9.dat family_makop -
Makop
Ransomware family discovered by @VK_Intel in early 2020.
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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 540 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe -
Loads dropped DLL 3 IoCs
pid Process 2512 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe 2512 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe 2512 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.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\" %*" 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.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\Google\Update\1336~1.151\GOBD5D~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\OIS.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.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\" %*" 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2512 wrote to memory of 540 2512 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe 28 PID 2512 wrote to memory of 540 2512 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe 28 PID 2512 wrote to memory of 540 2512 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe 28 PID 2512 wrote to memory of 540 2512 2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe"C:\Users\Admin\AppData\Local\Temp\2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.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:2512 -
C:\Users\Admin\AppData\Local\Temp\3582-490\2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe"2⤵
- Executes dropped EXE
PID:540
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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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C:\Users\Admin\AppData\Local\Temp\3582-490\2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe
Filesize49KB
MD585133a404d3fb4a98da14bdd4f08c148
SHA1b62b4102da9112e3d77b530508424611efd3225e
SHA2564e0ab00838f4f48eae4e1ee2f703bce382eca68e2ceff480379cb5ac90b83273
SHA512dd0d892552983c9f2bc39b91f6e5c863caac8ad6d5ddb71dffa14c5bd7f12fff7418c32e17135fbbd483213d515723a0c74b5db1aeefeb296fa9214b86d374b8
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C:\Users\Admin\AppData\Local\Temp\3582-490\2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe
Filesize49KB
MD585133a404d3fb4a98da14bdd4f08c148
SHA1b62b4102da9112e3d77b530508424611efd3225e
SHA2564e0ab00838f4f48eae4e1ee2f703bce382eca68e2ceff480379cb5ac90b83273
SHA512dd0d892552983c9f2bc39b91f6e5c863caac8ad6d5ddb71dffa14c5bd7f12fff7418c32e17135fbbd483213d515723a0c74b5db1aeefeb296fa9214b86d374b8
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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\Users\Admin\AppData\Local\Temp\3582-490\2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe
Filesize49KB
MD585133a404d3fb4a98da14bdd4f08c148
SHA1b62b4102da9112e3d77b530508424611efd3225e
SHA2564e0ab00838f4f48eae4e1ee2f703bce382eca68e2ceff480379cb5ac90b83273
SHA512dd0d892552983c9f2bc39b91f6e5c863caac8ad6d5ddb71dffa14c5bd7f12fff7418c32e17135fbbd483213d515723a0c74b5db1aeefeb296fa9214b86d374b8
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\Users\Admin\AppData\Local\Temp\3582-490\2023-12-07_c96aaea26eb68728d110271aff839957_makop_neshta.exe
Filesize49KB
MD585133a404d3fb4a98da14bdd4f08c148
SHA1b62b4102da9112e3d77b530508424611efd3225e
SHA2564e0ab00838f4f48eae4e1ee2f703bce382eca68e2ceff480379cb5ac90b83273
SHA512dd0d892552983c9f2bc39b91f6e5c863caac8ad6d5ddb71dffa14c5bd7f12fff7418c32e17135fbbd483213d515723a0c74b5db1aeefeb296fa9214b86d374b8