neshta | c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813

Analysis

max time kernel
94s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 18:31

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General

Target

c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
Size

165KB
MD5

91100aef14d017023fd0974a82df09b0
SHA1

e9237037c4ba9cac40c99c329e6ad7442ca06439
SHA256

c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813
SHA512

2f53f51b48abc8b02b8137398c2f62b43757eb46e510ef06f264cbf69d65febd347e65cf08042180f7979f1d79bce80fe739b61ed34de3fdfd216b2899b74332
SSDEEP

3072:sr85C7vAAxWJEZdw6gnPLbLjuGzTeRUOmwZm:k97JWJE3yPL1zTeUOmwZm

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/2336-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2336-91-0x0000000000400000-0x000000000041B000-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
2360	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe

Loads dropped DLL 3 IoCs

pid	Process
2336	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
2336	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
2336	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.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\" %*"	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.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\Google\Update\DISABL~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.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	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.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\" %*"	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2360	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
2360	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2360	2336	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe	31
PID 2336 wrote to memory of 2360	2336	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe	31
PID 2336 wrote to memory of 2360	2336	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe	31
PID 2336 wrote to memory of 2360	2336	c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe	31

C:\Users\Admin\AppData\Local\Temp\c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
"C:\Users\Admin\AppData\Local\Temp\c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.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:2336
- C:\Users\Admin\AppData\Local\Temp\3582-490\c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2360

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\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\c87c2056bd98da9a8bd638bfaea4c763322a49685731e94b302c78b250685813N.exe

Filesize
124KB

MD5
1ebce206c13a5652abb6ef2a9d325009

SHA1
59ddcec45ed316b6d04e8240d88cbe93c92dc120

SHA256
4d64bc965960bc3400d60ac88df4de7213472b89af2515d912c85de4ec011dbb

SHA512
600c9687b883222722916934184d1c7449036a20726253e3b39f008bb4d4512cecc3dc86828edd1ae93a88fa2f3380d64ec3a527dd19df03f916d166ec13753a

Download Submit
memory/2336-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2336-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads