neshta | 791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3e

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 00:52

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General

Target

791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
Size

321KB
MD5

6252f0d949be6987f6afe29d15711f10
SHA1

091524c19f5b2be45d3c302b9fecd5b45e594786
SHA256

791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3e
SHA512

33f491d63fe3e42d90329fcb7560f9c7e1b5d7a46eec40f0952bd598ee3309ec1c1330d9bd81428585574c917e24734ceb702d71f84ee0066b4431914a1a71f4
SSDEEP

6144:k9JtLEh/tPoHPXY/oZSNJGJjJAOrAitCXyNvYy5kmS:KEhpMXiI155tCgzQ

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010318-10.dat	family_neshta
behavioral1/memory/2820-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2820-85-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
2764	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe

Loads dropped DLL 2 IoCs

pid	Process
2820	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
2820	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.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\" %*"	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.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\ONENOTE.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.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	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.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\" %*"	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2764	2820	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe	30
PID 2820 wrote to memory of 2764	2820	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe	30
PID 2820 wrote to memory of 2764	2820	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe	30
PID 2820 wrote to memory of 2764	2820	791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe	30

C:\Users\Admin\AppData\Local\Temp\791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
"C:\Users\Admin\AppData\Local\Temp\791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.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:2820
- C:\Users\Admin\AppData\Local\Temp\3582-490\791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe"
  2⤵
  - Executes dropped EXE
  PID:2764

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\791d401ad35dc6ebdb6c189e1c1435293ecf5c68796bb2a394e4a07c8e596e3eN.exe

Filesize
281KB

MD5
91342ebd1599c3e1b98a75a493cd0433

SHA1
d9f81185bc029791e956f3cb348f877c2a8092ea

SHA256
e80d370d1ea641057fda8eda3ecefa0f773186a686329b6d6b3b6de82a392bc4

SHA512
a873593965bd12c54fe3a15d6945fcf7d73d86995256247799df735950fd6a94804813adfbac5ce452fdcc9bbfc2762cf10afb5b9dd59992248f8c09c3b6e4fb

Download Submit
memory/2820-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2820-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads