neshta | 4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6

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
25-12-2024 23:39

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General

Target

4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
Size

520KB
MD5

353a0b3789b3b0001ba7736e2f3b7c70
SHA1

84d1dc9b46611f1766cf104d6adfd4130fe423de
SHA256

4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6
SHA512

1a24e3276519905971e8a8d7a02a48858772b4cca5f3cae96b62ad2e3cc8a3b7657f5bb9fe367bc868dba7b8dd860e1b6ae1924795ed20b9ea0894169a55a8ba
SSDEEP

3072:zr8WDrCNeFgma30T7yw9Inoe7HOjg4Sk5ksw2jUK:PuN0gma30T7yIbeajg4lkswgUK

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

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
2784	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe

Loads dropped DLL 2 IoCs

pid	Process
1876	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
1876	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.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\" %*"	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.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\iexplore.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.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	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.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\" %*"	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2784	1876	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe	30
PID 1876 wrote to memory of 2784	1876	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe	30
PID 1876 wrote to memory of 2784	1876	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe	30
PID 1876 wrote to memory of 2784	1876	4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe	30

C:\Users\Admin\AppData\Local\Temp\4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
"C:\Users\Admin\AppData\Local\Temp\4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.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:1876
- C:\Users\Admin\AppData\Local\Temp\3582-490\4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe"
  2⤵
  - Executes dropped EXE
  PID:2784

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\DW20.EXE

Filesize
859KB

MD5
754309b7b83050a50768236ee966224f

SHA1
10ed7efc2e594417ddeb00a42deb8fd9f804ed53

SHA256
acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

SHA512
e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

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\4fc9500405b88fd85f73ad7c28aaef1f3db4f4f022d4d00fddc7bfc82a34e6b6N.exe

Filesize
480KB

MD5
9ca8ab12078543ee4631faab229a35d4

SHA1
49d97aa7b43900c3ce4bc5766298b0255e464300

SHA256
d94dc4764c323ca9cfe0e2fd6bf032dad96a22eaef2627f5f4538b9bd47403fb

SHA512
293f49bf3053c60515ef1bfc6a1498b4a9984e2152f6d299274984dc1b0d3cd38efcb16aebb9cfddd3e816eaa0bc1dd47259113f5bb3dae30247d5cc932b8efc

Download Submit
memory/1876-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1876-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads