neshta | 6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a

General

Target

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
Size

2.0MB
MD5

e7b2ec931a901deaf75675100c4ca218
SHA1

c21e278f5dd73d8d7fe40ed143b6bd0f422bcd2c
SHA256

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a
SHA512

d8f125ef97d68414173cde8a47fc3206247061549a03fcd639f7befcf9052541f81e463884d954fa86a41143a7fae7436b2d7286648935cf97ab35669919c44d

Score

10^/10

neshta persistence spyware

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Executes dropped EXE 1 IoCs

Processes:

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

pid process

1276 6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

Loads dropped DLL 3 IoCs

Processes:

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

pid	process
1708	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
1276	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
1708	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

Drops file in Program Files directory 64 IoCs

Processes:

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

Drops file in Windows directory 1 IoCs

Processes:

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

description ioc process

File opened for modification C:\Windows\svchost.com 6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.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	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

Modifies registry class 1 IoCs

Processes:

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

pid	process
1276	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
1276	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

description	pid	process	target process
PID 1708 wrote to memory of 1276	1708	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
PID 1708 wrote to memory of 1276	1708	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
PID 1708 wrote to memory of 1276	1708	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
PID 1708 wrote to memory of 1276	1708	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe	6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

C:\Users\Admin\AppData\Local\Temp\6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
"C:\Users\Admin\AppData\Local\Temp\6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.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:1708

C:\Users\Admin\AppData\Local\Temp\3582-490\6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1276

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe

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

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\6858f40193bfb7fb23c1454f39dc931cbd5ecdb7307e42b944b4efa4a3861f1a.exe
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\Temp\5d12d3c9-eb00-42b6-9da7-f66c67118b8e\CliSecureRT64.dll

Download Submit
memory/1276-56-0x0000000000000000-mapping.dmp

Download
memory/1276-59-0x0000000000310000-0x0000000000508000-memory.dmp

Filesize
2.0MB

Download
memory/1276-62-0x000007FEF61D0000-0x000007FEF62FC000-memory.dmp

Filesize
1.2MB

Download
memory/1276-61-0x0000000180000000-0x000000018001D000-memory.dmp

Filesize
116KB

Download
memory/1276-64-0x0000000180000000-0x000000018001D000-memory.dmp

Filesize
116KB

Download
memory/1276-65-0x000000001B8D0000-0x000000001BA66000-memory.dmp

Filesize
1.6MB

Download
memory/1276-66-0x000000001B0E7000-0x000000001B106000-memory.dmp

Filesize
124KB

Download
memory/1708-54-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

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Analysis

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MITRE ATT&CK Matrix ATT&CK v6

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