neshta | 474b07d39314c53826ffeb132b78bdcf91fe130fb96de19593ac5ca650ba784a

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 08:28

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General

Target

DYNAMO.exe
Size

190KB
MD5

2d3de5e0032cb35ac6a65b8301c9a5cc
SHA1

5010ee7bcb152a510e183eb6d105d925343c5b49
SHA256

474b07d39314c53826ffeb132b78bdcf91fe130fb96de19593ac5ca650ba784a
SHA512

2a2bdba51ed53c13b29a0928072ec6a702ac974da387656a10d6bea1cb81b1f7b4bd267ad97b50b3b837926824fb9815bbbe584dbc6e8d06222a0d7d6d49389e
SSDEEP

3072:sr85CJF2VAzieYNqsjDo9jvvQ1hUpRdRox4jLQAgDZmox4jLQAgDZ7:k9JyeYNqZtHQApRLHnUmHnU7

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/2688-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2688-85-0x0000000000400000-0x000000000041B000-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
2776	DYNAMO.exe

Loads dropped DLL 2 IoCs

pid	Process
2688	DYNAMO.exe
2688	DYNAMO.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\" %*"	DYNAMO.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\POWERPNT.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	DYNAMO.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	DYNAMO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	DYNAMO.exe

Drops file in Windows directory 1 IoCs

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

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2776	2688	DYNAMO.exe	30
PID 2688 wrote to memory of 2776	2688	DYNAMO.exe	30
PID 2688 wrote to memory of 2776	2688	DYNAMO.exe	30
PID 2688 wrote to memory of 2776	2688	DYNAMO.exe	30

C:\Users\Admin\AppData\Local\Temp\DYNAMO.exe
"C:\Users\Admin\AppData\Local\Temp\DYNAMO.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:2688
- C:\Users\Admin\AppData\Local\Temp\3582-490\DYNAMO.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\DYNAMO.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2776

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

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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\DYNAMO.exe

Filesize
149KB

MD5
cbadb03239a788fd41ef0a7054f133f8

SHA1
937e58600f867c953fd975ec479d75b0a48b4999

SHA256
957d1eca7bd120491fffb98b7e719a6957c9dd256a77f87ab37cc7ebb82da413

SHA512
3e19baf47dbeff2a8e6c9eebea8ad93c5459d7a5b6f9959eb7f4787b92be8dcd4902423fccb2ca1451c07523705c3d415301ce75b3eeedd51f04fa83ccead903

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/2688-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2688-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads