neshta | 79e44db9cbf7207bee57d835115332fafef4f38c0f9a888023dfd35bca50e814

Analysis

max time kernel
40s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 05:37

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General

Target

e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
Size

299KB
MD5

066b95391597221c54db58434089fee1
SHA1

8879cbae7682e83bb5a8296e58de8a8f9c08e7ce
SHA256

e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745
SHA512

949e9df1b713b1ebd0bc83d4786e77036c93116a91d359aed6cbcf184c4f0a6396b98bb34beb0839e51345fec54c01b6de06d49358a85daffeb8e551ee73caf6
SSDEEP

6144:k9jTYZOG20hp4DdYCjO0fxHLz6Vww/aSf0x+pFkwa:F2pprczLfK+8/

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-9.dat	family_neshta
behavioral1/memory/2528-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2528-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2528-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2528-91-0x0000000000400000-0x000000000041B000-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

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\myfault.sys	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File created	C:\Windows\system32\drivers\myfault.sys	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe

Executes dropped EXE 2 IoCs

pid	Process
1692	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
1212	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
2528	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
2528	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.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

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe

Suspicious behavior: LoadsDriver 3 IoCs

pid	Process
464	Process not Found
464	Process not Found
464	Process not Found

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1692	2528	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe	30
PID 2528 wrote to memory of 1692	2528	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe	30
PID 2528 wrote to memory of 1692	2528	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe	30
PID 2528 wrote to memory of 1692	2528	e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe	30

C:\Users\Admin\AppData\Local\Temp\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
"C:\Users\Admin\AppData\Local\Temp\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.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:2528
- C:\Users\Admin\AppData\Local\Temp\3582-490\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  PID:1692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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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\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe

Filesize
259KB

MD5
ddc2f14602eb1689cf708eaec4dd1173

SHA1
88d37980d5dbf1ccdf52c8415a44e532d14fe1fd

SHA256
8fdda0b72661dd3edfeae022d341c3522cfbfae8f9404224d46400038e7cc29e

SHA512
a092ad39a87eb766594c1b0e262149cb0fed17c4eec5f08b19efca337bcb8d477a7313bf4546058cb33dec02d13e57442ecaf7630c65f9d94ef4efaecbfbf7b3

Download Submit
memory/2528-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2528-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2528-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2528-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads