neshta | 8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c

General

Target

8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
Size

373KB
MD5

51ffdcd9823ad0de4b89b17a5a38ae2c
SHA1

635da00ada9864de6f028b31af140384ddaef975
SHA256

8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c
SHA512

ce10894685bd1814a4e7a843b36c2d4bfdebfa93a9472fcc3a7c9b3fce2fa52646a21b5097cdfeb6a81d3a78bd3c031f9ce34b8286f4a1e59220ba7f8e238131

Score

10^/10

neshta sodinokibi persistence ransomware spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1536-62-0x0000000000400000-0x0000000000449000-memory.dmp	family_neshta
behavioral1/memory/1536-61-0x0000000000220000-0x000000000022C000-memory.dmp	family_neshta
behavioral1/memory/1536-64-0x0000000000400000-0x0000000000449000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi

Sodinokibi/Revil sample 3 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\3582-490\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe	family_sodinokobi
C:\Users\Admin\AppData\Local\Temp\3582-490\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe	family_sodinokobi
\Users\Admin\AppData\Local\Temp\3582-490\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe	family_sodinokobi

Executes dropped EXE 1 IoCs

Processes:

8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

pid process

1076 8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

pid	process
1076	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

Loads dropped DLL 3 IoCs

Processes:

8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

pid	process
1536	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
1536	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
1536	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops file in Program Files directory 64 IoCs

Processes:

8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

Drops file in Windows directory 1 IoCs

Processes:

8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

description ioc process

File opened for modification C:\Windows\svchost.com 8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

Modifies registry class 1 IoCs

Processes:

8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

description	pid	process	target process
PID 1536 wrote to memory of 1076	1536	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
PID 1536 wrote to memory of 1076	1536	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
PID 1536 wrote to memory of 1076	1536	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
PID 1536 wrote to memory of 1076	1536	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe	8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

C:\Users\Admin\AppData\Local\Temp\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
"C:\Users\Admin\AppData\Local\Temp\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe"
1⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1536

C:\Users\Admin\AppData\Local\Temp\3582-490\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe"
2⤵
- Executes dropped EXE
PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

Filesize
333KB

MD5
b1f9a581691e31624cb17a98515de8e1

SHA1
cc9f0b221efe29892adb88e800aab9de1f6c91d7

SHA256
bf7e618c8fe8709a934a1b1928814a3c691a562d92087848ca0cb4094e5b6b30

SHA512
b69266f8e6818362222c369897d813e6116c2933853a85390bec3472087c23ed0ddea2acb82a5cd2ae74acb2b47066ff976375b162d71a1876dc291cfa4431e5

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

Filesize
333KB

MD5
b1f9a581691e31624cb17a98515de8e1

SHA1
cc9f0b221efe29892adb88e800aab9de1f6c91d7

SHA256
bf7e618c8fe8709a934a1b1928814a3c691a562d92087848ca0cb4094e5b6b30

SHA512
b69266f8e6818362222c369897d813e6116c2933853a85390bec3472087c23ed0ddea2acb82a5cd2ae74acb2b47066ff976375b162d71a1876dc291cfa4431e5

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\8d858f2f38e4c229f36322d21aa043ee513073919ca0101a10d93d0622366c4c.exe

Filesize
333KB

MD5
b1f9a581691e31624cb17a98515de8e1

SHA1
cc9f0b221efe29892adb88e800aab9de1f6c91d7

SHA256
bf7e618c8fe8709a934a1b1928814a3c691a562d92087848ca0cb4094e5b6b30

SHA512
b69266f8e6818362222c369897d813e6116c2933853a85390bec3472087c23ed0ddea2acb82a5cd2ae74acb2b47066ff976375b162d71a1876dc291cfa4431e5

Download Submit
memory/1076-58-0x0000000000000000-mapping.dmp

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memory/1536-54-0x0000000000575000-0x0000000000580000-memory.dmp

Filesize
44KB

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memory/1536-55-0x0000000076921000-0x0000000076923000-memory.dmp

Filesize
8KB

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memory/1536-62-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

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memory/1536-61-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

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memory/1536-60-0x0000000000575000-0x0000000000580000-memory.dmp

Filesize
44KB

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memory/1536-64-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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