neshta | fcd14099331ac777058b9ce01dd9b7ad606967f608c0ecbb98884f5ec599f8fe

General

Target

f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
Size

1.4MB
MD5

5cf92501a78d0c59f9ea78c7b5d3b682
SHA1

7349af07ae910b68e1aece2b3e18207909a9941f
SHA256

fcd14099331ac777058b9ce01dd9b7ad606967f608c0ecbb98884f5ec599f8fe
SHA512

830ea5d39d8620163cd512f450dfb29b3cf5b01e672997ec82be8669ae1b7374d404adf2461487765c75ff8d54610ae57f35157f5509de23341212950f0ce4e1
SSDEEP

24576:Ra/EB4bekZB4diUmKsRGsAsGB75RC48+wK9hGcvVtlsBY1/I:wEUekZednbsRTAs4sK9hGirlsBY1w

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 6 IoCs

Processes:

resource	yara_rule
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe	family_neshta
behavioral1/memory/2336-80-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2336-81-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2336-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2336-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2336-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

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

Processes:

f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

pid process

2336 f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

pid	process
2336	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops file in Program Files directory 64 IoCs

Processes:

f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

Drops file in Windows directory 1 IoCs

Processes:

f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

description ioc process

File opened for modification C:\Windows\svchost.com f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

Modifies registry class 1 IoCs

Processes:

f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe

C:\Users\Admin\AppData\Local\Temp\f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe
"C:\Users\Admin\AppData\Local\Temp\f3daebbad06f82c733ff762809b6b404ebeaa27474454655a46d176d67d551d8N.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

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

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
memory/2336-80-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2336-81-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2336-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2336-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2336-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads