neshta | f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aa

Analysis

max time kernel
40s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26/11/2024, 11:11

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General

Target

f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
Size

825KB
MD5

fbf24fae33b6f05ef582b1cc9e35ce40
SHA1

55ab8457d37cf2e0217beae4bf445b3bd872ab85
SHA256

f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aa
SHA512

e0fba04ae5dc420accd839c83c13d58c0bb077b1764ea0546728f1c6c6fd41bfeffb7e034520823ea2a4fd080d919772e77053db0a7c89bef2655266152454b7
SSDEEP

12288:AGzlPkq2JY6Crm7DIEZNW5u7kWbQFYbZPupjrafxbRH:AGzdiY6Crm45u7kNF+2j4xbRH

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 2 IoCs

pid	Process
2136	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
1192	Process not Found

Loads dropped DLL 3 IoCs

pid	Process
2060	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
1192	Process not Found
2060	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.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\" %*"	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.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\Adobe\READER~1.0\Reader\ACROBR~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.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	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.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\" %*"	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2136	2060	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe	29
PID 2060 wrote to memory of 2136	2060	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe	29
PID 2060 wrote to memory of 2136	2060	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe	29
PID 2060 wrote to memory of 2136	2060	f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe	29

C:\Users\Admin\AppData\Local\Temp\f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
"C:\Users\Admin\AppData\Local\Temp\f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.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:2060
- C:\Users\Admin\AppData\Local\Temp\3582-490\f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe"
  2⤵
  - Executes dropped EXE
  PID:2136

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\f556972f77a708cfdbea3de17afbd2440dc7faa91dfd5f06ef8c746e528b36aaN.exe

Filesize
785KB

MD5
5103a7726d2cba276e26f5c93f6656a6

SHA1
42a83505d0c6b343163ebb7f228779e744975bdb

SHA256
b72dad69fa7c805df7d5dfb062d07d26411c71a18ce410da26ab13b2fe60ecf7

SHA512
30dce6cb1eb6c89810be4dcf8ad7a601b6811e2f17a7081743c37b3aff9a3e605f3b85695c59a5a2e830b3bf1af856cb3a52bda334ff512310d4bc297c67b33a

Download Submit
memory/2060-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2060-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2060-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2060-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads