neshta | 1d0128fd3184a765076397dd308e51bbc578a3639cb9c08ab6b5c36704d772b4

Resubmissions

14/11/2023, 17:31

231114-v3qg7acf42 10

14/11/2023, 17:21

28/10/2023, 19:29

24/10/2023, 13:29

18/10/2023, 12:04

07/09/2023, 12:10

Analysis

max time kernel
29s
max time network
19s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
07/09/2023, 12:10

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General

Target

96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
Size

448KB
MD5

ad53609d80259f7f329bf724c55a3ee7
SHA1

71dac241fb99cde30fc2feae60483c479f96b174
SHA256

96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528
SHA512

83f972453bcc65afd8944a5a28190c8289aa02329e22bdc9170b2a1d0c3947086f6dd10e4cb1d28bf20d8d279a9013ec9861abafa265923821454c5a9221996e
SSDEEP

12288:ON9ugSNkvm9f+MgvLwabghCE2SN7YDaLsz6J7yCXjmZfMc3ed/37z0M/n/sCbMe2:1OSN7YDaLsWJ7yimGn/sCE

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral22/files/0x0001000000010324-13.dat	family_neshta
behavioral22/memory/1312-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral22/memory/1312-90-0x0000000000400000-0x000000000041B000-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
2172	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

Loads dropped DLL 3 IoCs

pid	Process
1312	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
1312	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
1312	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.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\" %*"	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.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\DISABL~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.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\" %*"	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2172	1312	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe	28
PID 1312 wrote to memory of 2172	1312	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe	28
PID 1312 wrote to memory of 2172	1312	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe	28
PID 1312 wrote to memory of 2172	1312	96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe	28

C:\Users\Admin\AppData\Local\Temp\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
"C:\Users\Admin\AppData\Local\Temp\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.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:1312
- C:\Users\Admin\AppData\Local\Temp\3582-490\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe"
  2⤵
  - Executes dropped EXE
  PID:2172

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\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

Filesize
408KB

MD5
f866509bb775b77b593bc831d3f5a238

SHA1
46e0be4667e3eed77227e58192817a960f2ef58b

SHA256
88777558b5b6d03679c012a1d29a72c257e43081d6d45f5e75b542db4cd578f2

SHA512
a97385bf76d1639cb49022584f62aa5ecc5a425e2ea87920eb5ed4902cc4583cfd3cf404cc2927d94ce158599b1ffe720fae204c89fcd60b7b9efe5d8e7d9a70

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

Filesize
408KB

MD5
f866509bb775b77b593bc831d3f5a238

SHA1
46e0be4667e3eed77227e58192817a960f2ef58b

SHA256
88777558b5b6d03679c012a1d29a72c257e43081d6d45f5e75b542db4cd578f2

SHA512
a97385bf76d1639cb49022584f62aa5ecc5a425e2ea87920eb5ed4902cc4583cfd3cf404cc2927d94ce158599b1ffe720fae204c89fcd60b7b9efe5d8e7d9a70

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\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

Filesize
408KB

MD5
f866509bb775b77b593bc831d3f5a238

SHA1
46e0be4667e3eed77227e58192817a960f2ef58b

SHA256
88777558b5b6d03679c012a1d29a72c257e43081d6d45f5e75b542db4cd578f2

SHA512
a97385bf76d1639cb49022584f62aa5ecc5a425e2ea87920eb5ed4902cc4583cfd3cf404cc2927d94ce158599b1ffe720fae204c89fcd60b7b9efe5d8e7d9a70

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\96f2bcea04abecb6ba4e87bb6cd62beb439882a9bb013fa12def110ea3335528.exe

Filesize
408KB

MD5
f866509bb775b77b593bc831d3f5a238

SHA1
46e0be4667e3eed77227e58192817a960f2ef58b

SHA256
88777558b5b6d03679c012a1d29a72c257e43081d6d45f5e75b542db4cd578f2

SHA512
a97385bf76d1639cb49022584f62aa5ecc5a425e2ea87920eb5ed4902cc4583cfd3cf404cc2927d94ce158599b1ffe720fae204c89fcd60b7b9efe5d8e7d9a70

Download Submit
memory/1312-14-0x0000000002850000-0x00000000049C0000-memory.dmp

Filesize
33.4MB

Download
memory/1312-15-0x0000000002850000-0x00000000049C0000-memory.dmp

Filesize
33.4MB

Download
memory/1312-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1312-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2172-16-0x0000000001400000-0x0000000003570000-memory.dmp

Filesize
33.4MB

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General

Malware Config

Signatures

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Network

MITRE ATT&CK Enterprise v15

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