neshta | 0fb3c7511c6494252676592eea6db4da4bc89977c066a5e4f7ea599c3c9ad8d5

General

Target

vbc.exe
Size

414KB
MD5

fbc1ed64be96f47d5cc3fbcb21cce10f
SHA1

a2c3c2aa059f835a54f26aa385153690afc3510a
SHA256

0fb3c7511c6494252676592eea6db4da4bc89977c066a5e4f7ea599c3c9ad8d5
SHA512

58a8c2e86ac0b2c180efbc66c2a2069677c2efbf28fe3578cdb03d6fa6396ab6cd54f50c0bde23ff8d045aebb4306ee3be853930511bd2e8dadfe028fa98b62b

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1600-59-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1600-60-0x00000000004080E4-mapping.dmp	family_neshta
behavioral1/memory/1600-62-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs
persistence

Modify Registry
T1112

Change Default File Association
T1042

Processes:

vbc.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" vbc.exe
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Loads dropped DLL 1 IoCs

Processes:

vbc.exe

pid process

1600 vbc.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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

vbc.exe

description pid process target process

PID 1080 set thread context of 1600 1080 vbc.exe vbc.exe

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

pid	process
1600	vbc.exe

description	pid	process	target process
PID 1080 set thread context of 1600	1080	vbc.exe	vbc.exe

Drops file in Program Files directory 64 IoCs

Processes:

vbc.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	vbc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	vbc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	vbc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	vbc.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	vbc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	vbc.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	vbc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	vbc.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	vbc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	vbc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	vbc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	vbc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	vbc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	vbc.exe

Drops file in Windows directory 1 IoCs

Processes:

vbc.exe

description ioc process

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

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

vbc.exe

description ioc process

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

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

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

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

vbc.exe

description	pid	process	target process
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe
PID 1080 wrote to memory of 1600	1080	vbc.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1080

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
PID:1600

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

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

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Downloads

\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
memory/1080-54-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/1080-56-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/1080-57-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/1080-58-0x0000000004E10000-0x0000000004E66000-memory.dmp

Filesize
344KB

Download
memory/1600-59-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1600-60-0x00000000004080E4-mapping.dmp

Download
memory/1600-61-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/1600-62-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads