neshta | ec834bb64059e3a9371efb4fc10df2499ded25669aaab8bd7be7037b2f588ed6

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/09/2024, 16:35

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General

Target

91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
Size

735KB
MD5

91ce7e35d69d3eeb189ac240c3d2b4b0
SHA1

fe20bb9823424f98ebbf4035dd5e1c1253d56827
SHA256

ec834bb64059e3a9371efb4fc10df2499ded25669aaab8bd7be7037b2f588ed6
SHA512

dacc3eed8d2db132e858183aac33f704172050f6174e1e1d8abae78711ae6b5c6ece6862bcbf832c6b3ed01201027f92d39624e833bcb094ba70fd58c769d27a
SSDEEP

12288:F0kO64x9Gxv/EutWImLrzUz09NGGg/oFt14RBT7zHu6+DSxnPDp6zNDA+3q1gfz+:F0H64PG5dsqf/KzyAg6zd3jdVOe6lthF

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010318-8.dat	family_neshta
behavioral1/memory/1928-81-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1928-83-0x0000000000400000-0x000000000041B000-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
2380	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe

Loads dropped DLL 1 IoCs

pid	Process
1928	91ce7e35d69d3eeb189ac240c3d2b4b0N.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\" %*"	91ce7e35d69d3eeb189ac240c3d2b4b0N.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\SOURCE~1\OSE.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	91ce7e35d69d3eeb189ac240c3d2b4b0N.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	91ce7e35d69d3eeb189ac240c3d2b4b0N.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\" %*"	91ce7e35d69d3eeb189ac240c3d2b4b0N.exe

C:\Users\Admin\AppData\Local\Temp\91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
"C:\Users\Admin\AppData\Local\Temp\91ce7e35d69d3eeb189ac240c3d2b4b0N.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
PID:1928
- C:\Users\Admin\AppData\Local\Temp\3582-490\91ce7e35d69d3eeb189ac240c3d2b4b0N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\91ce7e35d69d3eeb189ac240c3d2b4b0N.exe"
  2⤵
  - Executes dropped EXE
  PID:2380

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\91ce7e35d69d3eeb189ac240c3d2b4b0N.exe

Filesize
695KB

MD5
7c93a16c009eb97bcfb782ea0d030944

SHA1
b4541538b3a6f1a9725993cad79a6bff74b2323b

SHA256
c9fc54e45e14a68afc5ff4273b2dee3f8ccf594338696a731dc0a075a747490a

SHA512
78949ade35c721486c6e86a1c953b68b677c68e2c53e6531ad2c05e67a7ac36f5c5f6fe2bc2c5a24a2193283e133e36cd300df86986abc4899a277d9d80f40e0

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/1928-81-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1928-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads