neshta | 4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5

Analysis

max time kernel
67s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 00:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
Size

5.5MB
MD5

4e03ba3afaeb72b04214e768a7616cc0
SHA1

b49fc7602ba94a7156940367f58a31b65fabd40c
SHA256

4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5
SHA512

df7e4c2124598f725f2e44a1c04dd680f2334937ae6903c7f772ef74fb9c224d7a694d109e217f00f672a08166593c36bfe30b36c7775fd76175925282c088cc
SSDEEP

49152:lA6CTj/yNEc+HQ4errUYEZTRtdJRgtiEtezF6cEJjjJEBWY0xXGf64uzdTnmKe4I:lt+c9zaltX/SjjJESDgmTlI

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/2444-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2444-91-0x0000000000400000-0x000000000041B000-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
2748	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe

Loads dropped DLL 9 IoCs

pid	Process
2444	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
2840	WerFault.exe
2840	WerFault.exe
2840	WerFault.exe
2840	WerFault.exe
2840	WerFault.exe
2840	WerFault.exe
2840	WerFault.exe
2444	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.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\" %*"	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.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\SETUPF~1\{AC76B~1\Setup.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.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 1 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	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.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\" %*"	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2748	2444	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe	30
PID 2444 wrote to memory of 2748	2444	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe	30
PID 2444 wrote to memory of 2748	2444	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe	30
PID 2444 wrote to memory of 2748	2444	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe	30
PID 2748 wrote to memory of 2840	2748	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe	32
PID 2748 wrote to memory of 2840	2748	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe	32
PID 2748 wrote to memory of 2840	2748	4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe	32

C:\Users\Admin\AppData\Local\Temp\4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
"C:\Users\Admin\AppData\Local\Temp\4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.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:2444
- C:\Users\Admin\AppData\Local\Temp\3582-490\4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2748 -s 152
    3⤵
    - Loads dropped DLL
    PID:2840

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\4750acf5a744622dbdeb5427fd75b5280186c54ef51c60a7b723000fc8a612f5N.exe

Filesize
5.5MB

MD5
07451923cdd6109aa449ca05435c23a9

SHA1
6da972ce1b9f9b6e409f2b5e99a2dbc4f20eb86d

SHA256
95ef8b6fbb3a12b0988b6921cd7c8d579365015057cacefcdcb6426fd0507eac

SHA512
b4ffe22ebf98439b4ed856e13880bf515dfc23073bc45880407047a056b35d22a610be07a155ee5234fcab5f63c1925820d902ecba793350e97dbf68312507a0

Download Submit
memory/2444-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2444-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads