neshta | 4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b

General

Target

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
Size

1.3MB
MD5

1910bca72ea1b731aaa67b12271a7248
SHA1

ac1780d5c694956faa51f9ed22034322deef2bc0
SHA256

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b
SHA512

a375f6e36dcb07015472bd313a1869b4cefae29ea2857a5d269ba60b451c21cf3136d112210e7ba0f38426333b67f5424b2c0ba00acb86e9ad66d9baa21a9d54
SSDEEP

24576:xRbMoyj2HEcjRDbUXpafKYvHbPITNLmmb0b9hLP/3xSvcXvEUGHe5UKCTK+u+nmK:xRbMo+RcjRXuafhmbY9hLP/3xkePCT9f

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

Processes:

resource	yara_rule
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe	family_neshta
behavioral1/memory/3048-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/3048-84-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/3048-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/3048-87-0x0000000000400000-0x000000000041B000-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

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

pid process

2200 4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

pid	process
2200	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Loads dropped DLL 2 IoCs

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

pid	process
3048	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
3048	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.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

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Drops file in Windows directory 1 IoCs

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description ioc process

File opened for modification C:\Windows\svchost.com 4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

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

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Modifies registry class 1 IoCs

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	pid	process	target process
PID 3048 wrote to memory of 2200	3048	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
PID 3048 wrote to memory of 2200	3048	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
PID 3048 wrote to memory of 2200	3048	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
PID 3048 wrote to memory of 2200	3048	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

C:\Users\Admin\AppData\Local\Temp\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
"C:\Users\Admin\AppData\Local\Temp\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.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:3048
- C:\Users\Admin\AppData\Local\Temp\3582-490\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe"
  2⤵
  - Executes dropped EXE
  PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Filesize
1.2MB

MD5
bf6abb5133b87ab9456953df701e3a28

SHA1
9367fe0b399f07264a276b4c1592754581842e23

SHA256
8a1d8d72f121cd60a07f9baafbb9551b3259a5b4564265abc18455148253e799

SHA512
dda515ad334c0fd233dc30801c23977e0777ca47a7c9c37a9bf17b7e88ceb7bff2d561b1d7f1aafa3a8f4e610ef24b9ece1ecc9712752f3dbf7203e279ea85a1

Download Submit
memory/3048-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3048-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3048-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3048-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads