neshta | 1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 20:16

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General

Target

1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
Size

83KB
MD5

de6f90cc48c58d097a265dbaa1dba36d
SHA1

e511dbd832eceaf655ab9242b92d6dd8393ecc6e
SHA256

1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73
SHA512

82910f5de7150d8bf4ce92a37bad629fa6aba45e2d0f915a122d15ba9e667de1495c3c508cd6178f33355fbb9649151dba8a64b21f3491d121f8ac3ccde0c540
SSDEEP

1536:yxqjQ+P04wsZLnDrCvOKjCUJzWqacme0Z7HxwM7xxu:zr8WDrCNCUJccmekCMi

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
2552	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe

Loads dropped DLL 2 IoCs

pid	Process
2792	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
2792	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.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\" %*"	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.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\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.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	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.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\" %*"	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2552	2792	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe	30
PID 2792 wrote to memory of 2552	2792	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe	30
PID 2792 wrote to memory of 2552	2792	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe	30
PID 2792 wrote to memory of 2552	2792	1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe	30

C:\Users\Admin\AppData\Local\Temp\1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
"C:\Users\Admin\AppData\Local\Temp\1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.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:2792
- C:\Users\Admin\AppData\Local\Temp\3582-490\1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe"
  2⤵
  - Executes dropped EXE
  PID:2552

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\1fbf8b0babce9bb61fc19c8b5799968083ea9f12850444a57529c60136736b73.exe

Filesize
42KB

MD5
e87be531c38faf76438bc6b5655d5fc2

SHA1
3f8a11bbbf0e502afaf676d896f9d72f3c00ff61

SHA256
cb239a03a2b47bb16da74835b1df502de6531d99d7317167269d3f27f6649d56

SHA512
ef396c736e6624e19870ca4498f7118df212f6ad8316c272a3fb033d2ed8c7df1dcba391b61fc3b3f3f1bf4863b9d4d19b91427bd4d31d3b7e4d00740e444ca8

Download Submit
memory/2792-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2792-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads