neshta | 37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434d

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 22:14

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General

Target

37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
Size

2.3MB
MD5

3ca0ecf8d30b34bb349d77fdba17e130
SHA1

d62f508e4aee19b48c0a9ad8a8822c1d7d228261
SHA256

37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434d
SHA512

124ee856fbcf267b791f64ff201f21d58933053cd4c87a3b85f59c36fee4cd629c5558d38e0519a8aba43d93d2a5eec29c3a597273b3b0ab391ddf1e39dbe58f
SSDEEP

49152:QMV2VOO89FELz3gUdDEw6u2xw0DDeuy4NMLL8kbg:Qu2VCSldDZ4w0DDx08f

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-12.dat	family_neshta
behavioral1/memory/2900-92-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2900-95-0x0000000000400000-0x000000000041B000-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
316	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe

Loads dropped DLL 3 IoCs

pid	Process
2900	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
2900	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
2900	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.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\" %*"	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.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\INTERN~1\ieinstal.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.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 2 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	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.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\" %*"	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 316	2900	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe	28
PID 2900 wrote to memory of 316	2900	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe	28
PID 2900 wrote to memory of 316	2900	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe	28
PID 2900 wrote to memory of 316	2900	37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe	28

C:\Users\Admin\AppData\Local\Temp\37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
"C:\Users\Admin\AppData\Local\Temp\37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.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:2900
- C:\Users\Admin\AppData\Local\Temp\3582-490\37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:316

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
C:\Users\Admin\AppData\Local\Temp\3582-490\37f331c07cf45ff9511c9aaa09012f0a8c3ff8795ec74aea3cf51bbe3bc4434dN.exe

Filesize
2.2MB

MD5
9d4caf13a305db5b95182e6d0b8e517e

SHA1
2e515e9f64996cd996f3b95fa7a4f3d0e3092400

SHA256
cef1e226a4d6dad7716e3c132bbc83aeafa1a8b7cd2e316bf332dbe5580deacf

SHA512
7f7f48d737f5b6171f3fac4b6476c0bdfcdfd7ef3185cdfb9edb1628005aa96b3703920e10c03dcff3ba9d8f73914c84a5a1f7476fa3c5e05fee717bdbf0ee63

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/316-19-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/316-93-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2900-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2900-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads