neshta | 0a79cf2a762e91f4c78d125cabe7040ddd2b6db09a5e3af3ace5b8b973108b14

Analysis

max time kernel
117s
max time network
129s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
31/10/2023, 08:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.5dcad20532efe3b642f2bf087e635b20.exe
Size

189KB
MD5

5dcad20532efe3b642f2bf087e635b20
SHA1

84f4c1382ba9331088ea4969e5cba275bd87d5bf
SHA256

0a79cf2a762e91f4c78d125cabe7040ddd2b6db09a5e3af3ace5b8b973108b14
SHA512

d617762e5935160d86f5a27719d83df2d27dcc9de7e0c089f3bfeb5c4c551d44d1ff3f9435ca515c3fced559c246f1e8de6716fa1af7bc39b4ab0ecdb83f6379
SSDEEP

3072:sr85CVOh0XqRI5mNkscZLKLAwZR0SnScZR0SnS3:k9VOh0XqRIH/LKHZRqcZRq3

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 7 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010323-13.dat	family_neshta
behavioral1/memory/1956-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1956-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1956-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1956-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1956-90-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1956-92-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
2384	NEAS.5dcad20532efe3b642f2bf087e635b20.exe

Loads dropped DLL 3 IoCs

pid	Process
1956	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
1956	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
1956	NEAS.5dcad20532efe3b642f2bf087e635b20.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\" %*"	NEAS.5dcad20532efe3b642f2bf087e635b20.exe

Reads user/profile data of web browsers 2 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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	NEAS.5dcad20532efe3b642f2bf087e635b20.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	NEAS.5dcad20532efe3b642f2bf087e635b20.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	NEAS.5dcad20532efe3b642f2bf087e635b20.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2384	1956	NEAS.5dcad20532efe3b642f2bf087e635b20.exe	27
PID 1956 wrote to memory of 2384	1956	NEAS.5dcad20532efe3b642f2bf087e635b20.exe	27
PID 1956 wrote to memory of 2384	1956	NEAS.5dcad20532efe3b642f2bf087e635b20.exe	27
PID 1956 wrote to memory of 2384	1956	NEAS.5dcad20532efe3b642f2bf087e635b20.exe	27

C:\Users\Admin\AppData\Local\Temp\NEAS.5dcad20532efe3b642f2bf087e635b20.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.5dcad20532efe3b642f2bf087e635b20.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.5dcad20532efe3b642f2bf087e635b20.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.5dcad20532efe3b642f2bf087e635b20.exe"
  2⤵
  - Executes dropped EXE
  PID:2384

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

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
C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.5dcad20532efe3b642f2bf087e635b20.exe

Filesize
148KB

MD5
09cff6e2fda462e8b6031b5b78e43ecc

SHA1
8c9876af739d0ab08e64326d7ddde928a9653fdb

SHA256
e773cf5f6277c78f87679a9840d08a63b646e2beab5a70ea254807917c38295f

SHA512
98b87fb73b7574eaa3d242965eefb8ec43fc8271e15eefe0638dae367dee7a3302f00f26cca3b3bc6a7832012b758b3044e71f7edead6426ee79ee3e97bbc0c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.5dcad20532efe3b642f2bf087e635b20.exe

Filesize
148KB

MD5
09cff6e2fda462e8b6031b5b78e43ecc

SHA1
8c9876af739d0ab08e64326d7ddde928a9653fdb

SHA256
e773cf5f6277c78f87679a9840d08a63b646e2beab5a70ea254807917c38295f

SHA512
98b87fb73b7574eaa3d242965eefb8ec43fc8271e15eefe0638dae367dee7a3302f00f26cca3b3bc6a7832012b758b3044e71f7edead6426ee79ee3e97bbc0c3

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\NEAS.5dcad20532efe3b642f2bf087e635b20.exe

Filesize
148KB

MD5
09cff6e2fda462e8b6031b5b78e43ecc

SHA1
8c9876af739d0ab08e64326d7ddde928a9653fdb

SHA256
e773cf5f6277c78f87679a9840d08a63b646e2beab5a70ea254807917c38295f

SHA512
98b87fb73b7574eaa3d242965eefb8ec43fc8271e15eefe0638dae367dee7a3302f00f26cca3b3bc6a7832012b758b3044e71f7edead6426ee79ee3e97bbc0c3

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\NEAS.5dcad20532efe3b642f2bf087e635b20.exe

Filesize
148KB

MD5
09cff6e2fda462e8b6031b5b78e43ecc

SHA1
8c9876af739d0ab08e64326d7ddde928a9653fdb

SHA256
e773cf5f6277c78f87679a9840d08a63b646e2beab5a70ea254807917c38295f

SHA512
98b87fb73b7574eaa3d242965eefb8ec43fc8271e15eefe0638dae367dee7a3302f00f26cca3b3bc6a7832012b758b3044e71f7edead6426ee79ee3e97bbc0c3

Download Submit
memory/1956-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1956-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1956-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1956-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1956-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1956-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads