neshta | efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78

General

Target

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
Size

1.8MB
MD5

331d78e06a9df9cc318fe31067498afb
SHA1

a99207594eab0f3794b502e5dbb8cf2aff502143
SHA256

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78
SHA512

3ba492da736cae3b276575b2792cf7b9c9e2fec9dc64f907dcc822e7517fe02feda643eeb08c65f4fb90d2f576a4430c584fa501d5557df0ee4eed1b5a47351f

Score

10^/10

neshta evasion persistence spyware stealer

Malware Config

Signatures

Detect Neshta Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1260-55-0x0000000000400000-0x0000000000779000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Wine	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.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
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

pid process

1260 efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

pid	process
1260	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

Drops file in Program Files directory 64 IoCs

Processes:

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

Drops file in Windows directory 1 IoCs

Processes:

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

description ioc process

File opened for modification C:\Windows\svchost.com efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.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	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

Modifies registry class 1 IoCs

Processes:

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

pid process

1260 efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

pid	process
1260	efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe

C:\Users\Admin\AppData\Local\Temp\efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe
"C:\Users\Admin\AppData\Local\Temp\efab2992160105fe2bce828e3f9a904f3c250d2935e9a0ad0f21950e9948da78.exe"
1⤵
- Modifies system executable filetype association
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:1260

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1260-54-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/1260-57-0x0000000000330000-0x0000000000332000-memory.dmp

Filesize
8KB

Download
memory/1260-58-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1260-61-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1260-60-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/1260-59-0x0000000002280000-0x0000000002292000-memory.dmp

Filesize
72KB

Download
memory/1260-62-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download
memory/1260-56-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1260-55-0x0000000000400000-0x0000000000779000-memory.dmp

Filesize
3.5MB

Download
memory/1260-63-0x0000000002280000-0x0000000002292000-memory.dmp

Filesize
72KB

Download
memory/1260-64-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1260-65-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/1260-66-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads