neshta | 0ca7dc0360f51d054c098945edb300a2d01d0548ca1d6b86b3953631989cc6a3

Analysis

max time kernel
77s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30/03/2023, 20:37

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General

Target

0ca7dc0360f51d054c098945edb300a2d01d0548ca1d6b86b3953631989cc6a3.exe
Size

347KB
MD5

03cc929f5f0a59a3df844109e875b4ef
SHA1

44a5533d95e64e8630987a2d88878a18f91c3cac
SHA256

0ca7dc0360f51d054c098945edb300a2d01d0548ca1d6b86b3953631989cc6a3
SHA512

f1fa80b29433817336d6b7189637e2e0039c7f8000c0248abe635be9816a7febe6a354fa48b5c976842aa889997a79a077ceaea24421b2b1de2f91b3a95e1c2c
SSDEEP

6144:yYa6dY6Aa/wi/Xzhp0Ur/P5pd1Aw5X5GMKP0Z7r:yYzYuoUjl1AqGMV7r

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 13 IoCs

resource	yara_rule
behavioral2/memory/4584-142-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-145-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-144-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-149-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-225-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-226-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-227-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-228-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-229-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-230-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-231-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-232-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4584-234-0x0000000000400000-0x000000000041B000-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 2 IoCs

pid	Process
3464	lgehuztzmc.exe
4584	lgehuztzmc.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	lgehuztzmc.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
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3464 set thread context of 4584	3464	lgehuztzmc.exe	85

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13173~1.45\MICROS~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	lgehuztzmc.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	lgehuztzmc.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	lgehuztzmc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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\" %*"	lgehuztzmc.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3464	lgehuztzmc.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 3464	3232	0ca7dc0360f51d054c098945edb300a2d01d0548ca1d6b86b3953631989cc6a3.exe	84
PID 3232 wrote to memory of 3464	3232	0ca7dc0360f51d054c098945edb300a2d01d0548ca1d6b86b3953631989cc6a3.exe	84
PID 3232 wrote to memory of 3464	3232	0ca7dc0360f51d054c098945edb300a2d01d0548ca1d6b86b3953631989cc6a3.exe	84
PID 3464 wrote to memory of 4584	3464	lgehuztzmc.exe	85
PID 3464 wrote to memory of 4584	3464	lgehuztzmc.exe	85
PID 3464 wrote to memory of 4584	3464	lgehuztzmc.exe	85
PID 3464 wrote to memory of 4584	3464	lgehuztzmc.exe	85

C:\Users\Admin\AppData\Local\Temp\0ca7dc0360f51d054c098945edb300a2d01d0548ca1d6b86b3953631989cc6a3.exe
"C:\Users\Admin\AppData\Local\Temp\0ca7dc0360f51d054c098945edb300a2d01d0548ca1d6b86b3953631989cc6a3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Users\Admin\AppData\Local\Temp\lgehuztzmc.exe
  "C:\Users\Admin\AppData\Local\Temp\lgehuztzmc.exe" C:\Users\Admin\AppData\Local\Temp\elgnifhc.r
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3464
- - C:\Users\Admin\AppData\Local\Temp\lgehuztzmc.exe
    "C:\Users\Admin\AppData\Local\Temp\lgehuztzmc.exe"
    3⤵
    - Executes dropped EXE
    - Modifies system executable filetype association
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Modifies registry class
    PID:4584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

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:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE

Filesize
328KB

MD5
318895941a4451a3c5beac7f3d4b8d1b

SHA1
9012760a142d28a64ddf78c71dd0388075fbba88

SHA256
318bae912f1cab1fa3b6f3dbab2814ae2e16891e7fc5b09e150b0ab20b785a62

SHA512
76e96c9d22a8814101b6140bb4714a11cd59d59253c9cdb567e7263b96abc9f07165edbba91172e6282ac3e1c08c08dc4b8581b344eeb485e68e9962e9621658

Download Submit
C:\Users\Admin\AppData\Local\Temp\elgnifhc.r

Filesize
5KB

MD5
563fdf7994e86b7da751b185288a6a4f

SHA1
ff48d90122073a1f77db7e388e753a201f6d4e62

SHA256
5c030b7ba6c1fba3f51bd744b3b29db4453c7c336f848259647cfb3fd35d2207

SHA512
ef4e8a83312322746a02cf725fc32fabae3edda63c7ca92a4cbe4320d462c228bff8c2178a47a5e46c52161523aac3d23e3bf6b03a5f4d5739b36aaac8b7bb80

Download Submit
C:\Users\Admin\AppData\Local\Temp\lgehuztzmc.exe

Filesize
34KB

MD5
20742cabae8a6a4fed0126040a8f344f

SHA1
3a39a722d88c227f0149caa73654a76eaacf5a29

SHA256
587148b5a118b27e83b6a2d03431f59645e225706bb4178c5fd2a32dfb597167

SHA512
643d05804998b1cc965aadc02a12aef8c0984fdeb58044e43080182148a502ad5a1d24218812c1679dd4059802f283114e4c58514e108d0da102e23cd462768c

Download Submit
C:\Users\Admin\AppData\Local\Temp\lgehuztzmc.exe

Filesize
34KB

MD5
20742cabae8a6a4fed0126040a8f344f

SHA1
3a39a722d88c227f0149caa73654a76eaacf5a29

SHA256
587148b5a118b27e83b6a2d03431f59645e225706bb4178c5fd2a32dfb597167

SHA512
643d05804998b1cc965aadc02a12aef8c0984fdeb58044e43080182148a502ad5a1d24218812c1679dd4059802f283114e4c58514e108d0da102e23cd462768c

Download Submit
C:\Users\Admin\AppData\Local\Temp\lgehuztzmc.exe

Filesize
34KB

MD5
20742cabae8a6a4fed0126040a8f344f

SHA1
3a39a722d88c227f0149caa73654a76eaacf5a29

SHA256
587148b5a118b27e83b6a2d03431f59645e225706bb4178c5fd2a32dfb597167

SHA512
643d05804998b1cc965aadc02a12aef8c0984fdeb58044e43080182148a502ad5a1d24218812c1679dd4059802f283114e4c58514e108d0da102e23cd462768c

Download Submit
C:\Users\Admin\AppData\Local\Temp\qrktzj.e

Filesize
228KB

MD5
93accf920ba37a7fae83e379846f59a5

SHA1
29bda35707ad4dd2d549d221f64427c622b69ccb

SHA256
30d30fe5602dda24bc7afa849a9adaf716f349f957ca03f87da6926ba62699b2

SHA512
4784950a12c0bffccbfc32ae8595dca3eccf91da91f6999fed4b08fb8e8ad04f1ad27740ec9e9ac3fbe792b4bf87d81f1a318473f88008064a055ef726c57e71

Download Submit
memory/3464-140-0x0000000000480000-0x0000000000482000-memory.dmp

Filesize
8KB

Download
memory/4584-142-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-144-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-149-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-145-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-225-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-226-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-227-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-228-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-229-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-230-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-231-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-232-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4584-234-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download