neshta | 3199f4fa1d4caba4ae9378eca496053379f588b4a3c2dd2309a299535a096a46

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 17:56

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General

Target

ff46ae99f33f6bc84371833c398002d0N.exe
Size

96KB
MD5

ff46ae99f33f6bc84371833c398002d0
SHA1

fc23fb1f708871b953a3c63c5fd07cd5672d3196
SHA256

3199f4fa1d4caba4ae9378eca496053379f588b4a3c2dd2309a299535a096a46
SHA512

dc762d47b7378df72007353cc40bdad58cd7103a3d2255e9048490e4f01fad78842f093239aef4477b1d55f0d095788d5670b70b262e69e1e37408898a9a3baa
SSDEEP

768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJtVlK7OTwGP8li9qgzSJhZd:JxqjQ+P04wsmJCCVlKe/whH

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010316-12.dat	family_neshta
behavioral1/memory/588-91-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/588-93-0x0000000000400000-0x000000000041B000-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

pid	Process
2520	ff46ae99f33f6bc84371833c398002d0N.exe

Loads dropped DLL 3 IoCs

pid	Process
588	ff46ae99f33f6bc84371833c398002d0N.exe
588	ff46ae99f33f6bc84371833c398002d0N.exe
588	ff46ae99f33f6bc84371833c398002d0N.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\" %*"	ff46ae99f33f6bc84371833c398002d0N.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

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	ff46ae99f33f6bc84371833c398002d0N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	ff46ae99f33f6bc84371833c398002d0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	ff46ae99f33f6bc84371833c398002d0N.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	ff46ae99f33f6bc84371833c398002d0N.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\" %*"	ff46ae99f33f6bc84371833c398002d0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 588 wrote to memory of 2520	588	ff46ae99f33f6bc84371833c398002d0N.exe	31
PID 588 wrote to memory of 2520	588	ff46ae99f33f6bc84371833c398002d0N.exe	31
PID 588 wrote to memory of 2520	588	ff46ae99f33f6bc84371833c398002d0N.exe	31
PID 588 wrote to memory of 2520	588	ff46ae99f33f6bc84371833c398002d0N.exe	31

C:\Users\Admin\AppData\Local\Temp\ff46ae99f33f6bc84371833c398002d0N.exe
"C:\Users\Admin\AppData\Local\Temp\ff46ae99f33f6bc84371833c398002d0N.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:588
- C:\Users\Admin\AppData\Local\Temp\3582-490\ff46ae99f33f6bc84371833c398002d0N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\ff46ae99f33f6bc84371833c398002d0N.exe"
  2⤵
  - Executes dropped EXE
  PID:2520

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

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

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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
C:\Users\Admin\AppData\Local\Temp\3582-490\ff46ae99f33f6bc84371833c398002d0N.exe

Filesize
56KB

MD5
6aded2d4c34022a61b3235eae0d0d4ca

SHA1
d591b71ef61e529094ec4b545b50663e1368e42b

SHA256
dd885336dedb9d831c9dbd1b84db1f87fffe065b257cc443ca6c509d86a06623

SHA512
48a6a789b2755882a51f2f504e2b0eea6d929c4c7d4db88c415210c871ae266d24702e876b063c39f7e23b45ebfddd786dbd5e5ea9ff80b7d197cbc804d8e57d

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/588-15-0x00000000004E0000-0x00000000004EE000-memory.dmp

Filesize
56KB

Download
memory/588-14-0x00000000004E0000-0x00000000004EE000-memory.dmp

Filesize
56KB

Download
memory/588-89-0x00000000004E0000-0x00000000004EE000-memory.dmp

Filesize
56KB

Download
memory/588-90-0x00000000004E0000-0x00000000004EE000-memory.dmp

Filesize
56KB

Download
memory/588-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/588-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2520-16-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads