neshta | c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4f

Analysis

max time kernel
19s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 09:35

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General

Target

c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
Size

1.4MB
MD5

bcda4dd3461fe6054497ce0b9e215cc0
SHA1

1eac84a9cfab326fdcadb48ea9b6c387cea0dc3c
SHA256

c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4f
SHA512

2734ed14734631e50423a47a25b413a22bec441cbc8621d7e5a9a39e49a7434b21e2952ee83ddb347ac1ebc34baa6f264df8bd05a86403f6d60bff9b69ed476b
SSDEEP

24576:3r4hIDBrDmgqAAlsfii210/x1+6GJWwhX:KIDRmgLAlsqi2Wx8JJWg

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-9.dat	family_neshta
behavioral1/memory/1032-84-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1032-86-0x0000000000400000-0x000000000041B000-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
1500	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe

Loads dropped DLL 2 IoCs

pid	Process
1032	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
1032	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.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\" %*"	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.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\Eula.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.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	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.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\" %*"	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1500	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
1500	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1500	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 1500	1032	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe	28
PID 1032 wrote to memory of 1500	1032	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe	28
PID 1032 wrote to memory of 1500	1032	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe	28
PID 1032 wrote to memory of 1500	1032	c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe	28

C:\Users\Admin\AppData\Local\Temp\c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
"C:\Users\Admin\AppData\Local\Temp\c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.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:1032
- C:\Users\Admin\AppData\Local\Temp\3582-490\c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1500

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

Loading Replay Monitor...

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\c4caea85dd39e54f0c5d1bbf16ddf42d63565299adae4931ae3928ccfe4d4b4fN.exe

Filesize
1.4MB

MD5
e30052f6faf5e80ad7a6a012d742353f

SHA1
2d2fd08883f9b180480cfc7000ffa4b37ce0239f

SHA256
68d50cd0c1a55c8a32cbfcae17e8bb17492c6d4a2382b6f6e29497b0416b9dea

SHA512
386f443c2e9ca2a3a47bd4ce40eb87761acc9195fcbf8ed3b76e61aa1bd27cf6146a5b831549378367b07015873ca9395862e804bc0d9aae066d5da9341d1539

Download Submit
memory/1032-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/1032-86-0x0000000000400000-0x000000000041B000-memory.dmp

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108KB

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