neshta | 03a3e5008edcc3c84f49b524f83e919b75224115bd6a4b5314d908527034a33d

Analysis

max time kernel
152s
max time network
30s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15-10-2023 19:40

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General

Target

8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
Size

991KB
MD5

8b8a6e87a8043d8c2aeda68673d750c0
SHA1

2000f12d41fa846a0b0a515bd0c055673cfaf012
SHA256

03a3e5008edcc3c84f49b524f83e919b75224115bd6a4b5314d908527034a33d
SHA512

39d01fd01b8105ab304ade5279d7a621ac23dddb0df101a65afe7102c783a1c4af9464743f62786c29a6f0397cd354cfa4994f566793b576d7ed1fa51719c62e
SSDEEP

12288:z8ry763nxQ+dlzjsgl5Kg1R9wPm6iz6cuse0CSz4uuOBM66zXkx:4rxQ+d1ggl5Kg1R9wPm6Bcle0c7Xkx

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 15 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010324-12.dat	family_neshta
behavioral1/memory/2012-73-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-75-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-77-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-91-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-93-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-95-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-97-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-99-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-101-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-103-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-105-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-107-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-109-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2012-111-0x0000000000400000-0x000000000041B000-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
2372	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe

Loads dropped DLL 3 IoCs

pid	Process
2012	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
2012	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
2012	8b8a6e87a8043d8c2aeda68673d750c0_exe32.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\" %*"	8b8a6e87a8043d8c2aeda68673d750c0_exe32.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\WI54FB~1\wmplayer.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	8b8a6e87a8043d8c2aeda68673d750c0_exe32.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\" %*"	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2372	2012	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe	28
PID 2012 wrote to memory of 2372	2012	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe	28
PID 2012 wrote to memory of 2372	2012	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe	28
PID 2012 wrote to memory of 2372	2012	8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe	28

C:\Users\Admin\AppData\Local\Temp\8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
"C:\Users\Admin\AppData\Local\Temp\8b8a6e87a8043d8c2aeda68673d750c0_exe32.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:2012
- C:\Users\Admin\AppData\Local\Temp\3582-490\8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe"
  2⤵
  - Executes dropped EXE
  PID:2372

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

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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\8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe

Filesize
950KB

MD5
84270a25c2a2b0dfbd49ed2bc1840943

SHA1
1574f292fed42849ec15721635031e300c70cc31

SHA256
6d5ce6425871c2d5da7240d291362fed9e56d46ed04d1bc0a10580ea8a69f1e6

SHA512
fd07fc97aeea52a7894963c4f51c7d1e4563a7c72f4f5e0c86934de681e31f90c77de32bccabe14b0aad59a8ec0122a7d4235ec717b9ebd608cdb86782b94631

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe

Filesize
950KB

MD5
84270a25c2a2b0dfbd49ed2bc1840943

SHA1
1574f292fed42849ec15721635031e300c70cc31

SHA256
6d5ce6425871c2d5da7240d291362fed9e56d46ed04d1bc0a10580ea8a69f1e6

SHA512
fd07fc97aeea52a7894963c4f51c7d1e4563a7c72f4f5e0c86934de681e31f90c77de32bccabe14b0aad59a8ec0122a7d4235ec717b9ebd608cdb86782b94631

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\8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe

Filesize
950KB

MD5
84270a25c2a2b0dfbd49ed2bc1840943

SHA1
1574f292fed42849ec15721635031e300c70cc31

SHA256
6d5ce6425871c2d5da7240d291362fed9e56d46ed04d1bc0a10580ea8a69f1e6

SHA512
fd07fc97aeea52a7894963c4f51c7d1e4563a7c72f4f5e0c86934de681e31f90c77de32bccabe14b0aad59a8ec0122a7d4235ec717b9ebd608cdb86782b94631

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\8b8a6e87a8043d8c2aeda68673d750c0_exe32.exe

Filesize
950KB

MD5
84270a25c2a2b0dfbd49ed2bc1840943

SHA1
1574f292fed42849ec15721635031e300c70cc31

SHA256
6d5ce6425871c2d5da7240d291362fed9e56d46ed04d1bc0a10580ea8a69f1e6

SHA512
fd07fc97aeea52a7894963c4f51c7d1e4563a7c72f4f5e0c86934de681e31f90c77de32bccabe14b0aad59a8ec0122a7d4235ec717b9ebd608cdb86782b94631

Download Submit
memory/2012-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-75-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-77-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-73-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-111-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-101-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-103-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-105-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-107-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-109-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2372-74-0x0000000000400000-0x00000000004F5000-memory.dmp

Filesize
980KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads