neshta | 92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 01:03

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General

Target

92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
Size

929KB
MD5

a44571d772ec6202b88ec47e5ce7f333
SHA1

dfa3b0d3e0d47c3093cc18c0fcadba638b90deba
SHA256

92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836
SHA512

2f7644ef46f91a7a6745a4cd49b5b1a176dd72f7d053cbe3affc739aa620c8a7cd128adbc0ff82c81de162c4e8d0fe9fa108055d5945729aec9562357eb54067
SSDEEP

12288:YJ7OQ6xjE0n6ecWjjax0Qb4m1DJBZU9s4UmCANIwINg/cJvqDIMdC9WnBGCkX:k7n0n6NWjsVllnUqEq9v09YCkX

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-13.dat	family_neshta
behavioral1/memory/856-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/856-91-0x0000000000400000-0x000000000041B000-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
Neshta family
neshta

Executes dropped EXE 1 IoCs

pid	Process
2184	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe

Loads dropped DLL 3 IoCs

pid	Process
856	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
856	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
856	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.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\" %*"	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.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\LOGTRA~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.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 2 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	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.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\" %*"	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 2184	856	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe	31
PID 856 wrote to memory of 2184	856	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe	31
PID 856 wrote to memory of 2184	856	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe	31
PID 856 wrote to memory of 2184	856	92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe	31

C:\Users\Admin\AppData\Local\Temp\92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
"C:\Users\Admin\AppData\Local\Temp\92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.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:856
- C:\Users\Admin\AppData\Local\Temp\3582-490\92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2184

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

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
\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\92738dd187f5386c13103d12f523055092ec30e0455db7ef5b27726e6d1e8836.exe

Filesize
888KB

MD5
7d706020ad299c3ecc56786deef9368d

SHA1
031c037c5fe2e76371abec6189eb4506559f760c

SHA256
4ab33e82863eea9455bd6bf74cbbd531e47b19adad940aedaa625b1af5e53593

SHA512
e89dcfa3e42c81a73e283344c4dde10d3202b0591f1d5bc1f80042a1cdfb020bda9a9ddd4d35ff1e4817ae836b8367286f4d63993079137c7d886345dbc3ab68

Download Submit
memory/856-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/856-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2184-14-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2184-89-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2184-88-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads