neshta | bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443ded

General

Target

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
Size

1.0MB
MD5

7bda489a67ee569b9c9deb458e645280
SHA1

7fa397459ac83b3b8850a80f9887a51e549f1298
SHA256

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443ded
SHA512

772108539a218444cf4c122aa5182ce153684fe99036152c9ebc93bb7913ee5a3e8d1506336f0cfd7c9f244ad236aaf9369d227b4f4f8e5ad56f63d1132a597b
SSDEEP

24576:iziJb1XcYaJ+RXNyBo4kx929bL3Hnxbl//:iQb1vtYB+kn3Hnxbl//

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe	family_neshta
behavioral1/memory/656-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/656-87-0x0000000000400000-0x000000000041B000-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
Executes dropped EXE 1 IoCs

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

pid process

2768 bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

pid	process
2768	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Loads dropped DLL 2 IoCs

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

pid	process
656	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
656	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.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:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Drops file in Windows directory 1 IoCs

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description ioc process

File opened for modification C:\Windows\svchost.com bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.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	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.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:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Modifies registry class 1 IoCs

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	pid	process	target process
PID 656 wrote to memory of 2768	656	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
PID 656 wrote to memory of 2768	656	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
PID 656 wrote to memory of 2768	656	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
PID 656 wrote to memory of 2768	656	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

C:\Users\Admin\AppData\Local\Temp\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
"C:\Users\Admin\AppData\Local\Temp\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.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
- Suspicious use of WriteProcessMemory
PID:656
- C:\Users\Admin\AppData\Local\Temp\3582-490\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe"
  2⤵
  - Executes dropped EXE
  PID:2768

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
\Users\Admin\AppData\Local\Temp\3582-490\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Filesize
1.0MB

MD5
791a3f10f0eb024d91adcc84831e0e3c

SHA1
5699a93905749ef554f204365f076b0c60cfa811

SHA256
debc92fc0fdb98026e208df59c0683bd3559119c4873f388a3ffda90ab3571d5

SHA512
497f062ad033304a7cff1a7ba0d236bcbcc941c46cbe8067d30fea7d3e36840aace0ec0e795d6f36e94ef4495d6ec35c23fb84a2c55fd1b4b4b7be36c0d77ca4

Download Submit
memory/656-5-0x0000000002C50000-0x0000000002D58000-memory.dmp

Filesize
1.0MB

Download
memory/656-84-0x0000000002C50000-0x0000000002D58000-memory.dmp

Filesize
1.0MB

Download
memory/656-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/656-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2768-7-0x0000000140000000-0x0000000140108000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads