neshta | c775ab6ed832adc57d0c40c5a42b782298c033877768bd0ade58ae92812b18d6

General

Target

9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
Size

514KB
MD5

0e8e9957231a021ec5ff92da17e17177
SHA1

e64893538fd7cdd60191576a0533eba967511258
SHA256

9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28
SHA512

fe6d4655e4ea5547f20fa7550593c5cb083d7a5f3a88dec1991ce89c27e9e5b4d8cb2ae277d0431d9d60c6edb2c624c94abc20337776b78a654047be7c725ab5
SSDEEP

6144:k90PL27eaxwTh7qSqRKb8l3Wvo3jrEvTDp9WjcqwqwJWobF3rutOiUbRq:ZPa6qAPo3jrE7dtbktOm

Score

10^/10

neshta 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/1132-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1132-84-0x0000000000400000-0x000000000041B000-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
Executes dropped EXE 1 IoCs

Processes:

9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

pid process

1284 9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

pid	process
1284	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

Loads dropped DLL 2 IoCs

Processes:

9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

pid	process
1132	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
1132	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.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
T1552.001

Drops file in Program Files directory 64 IoCs

Processes:

9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

Drops file in Windows directory 1 IoCs

Processes:

9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

description ioc process

File opened for modification C:\Windows\svchost.com 9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.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	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

Modifies registry class 1 IoCs

Processes:

9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

description	pid	process	target process
PID 1132 wrote to memory of 1284	1132	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
PID 1132 wrote to memory of 1284	1132	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
PID 1132 wrote to memory of 1284	1132	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
PID 1132 wrote to memory of 1284	1132	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe	9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe

C:\Users\Admin\AppData\Local\Temp\9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
"C:\Users\Admin\AppData\Local\Temp\9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1132

C:\Users\Admin\AppData\Local\Temp\3582-490\9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe"
2⤵
- Executes dropped EXE
PID:1284

MITRE ATT&CK Matrix ATT&CK v13

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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\9f8cf9ba6dbd13f970e1413410dc2a7c7bebb76dd94434f0eb004401a268fa28.exe
Filesize
473KB

MD5
8aa88b9e591e34f18c4d6556d1f03621

SHA1
1da0376224986880e9be97092b51895dd2503af3

SHA256
7bcda8f3d794eb1605711943c03f13509862ac0011a377e4169e563d88bd6a71

SHA512
6a38cc21193edfcc2e7b12e64303e1d1aa0a3f314a13ccd13e6daf11572b0a3c0ce2945d91247e08e2f031f054c9fddd3de930032f891e4e6c32d54ab2471c3d

Download Submit
memory/1132-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1132-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads