neshta | 396aa072678e0b9b2275c71c03d2a5eb00eef447d994df69c4e028ea8d565c93

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 01:44

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General

Target

dÖrk/._cache_dÖrk.exe
Size

370KB
MD5

be182cce813f062b70f82c8db420ba5d
SHA1

9124e25e634ddc06d2353a2179f15e54cdb6e336
SHA256

c4d796ad6a32473e4c99eedc351314e569500ab975e720c26ce5f15956b078a6
SHA512

169ad660fc2bdec96691042f83dd5c5bf4bc60ef32a36e96aad5f21eeb0f5785dfbf2be58e5f8f0bc7a7b2cfb964d77fe429ae8ae682b30bd2b13e70979ef319
SSDEEP

3072:sr85C9IYKyfeKNCxTIGR23KM23KM23KE23KwCljPiCunmnfOqdl0/Thq4ad2:k99II4wKCunyftlwpD

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 4 IoCs

resource	yara_rule
behavioral2/files/0x000600000002021e-23.dat	family_neshta
behavioral2/memory/3672-103-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3672-106-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3672-108-0x0000000000400000-0x000000000041B000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	._cache_dÖrk.exe

Executes dropped EXE 1 IoCs

pid	Process
1544	._cache_dÖrk.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\" %*"	._cache_dÖrk.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
T1552.001

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	._cache_dÖrk.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	._cache_dÖrk.exe

Drops file in Windows directory 1 IoCs

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 1544	3672	._cache_dÖrk.exe	84
PID 3672 wrote to memory of 1544	3672	._cache_dÖrk.exe	84
PID 3672 wrote to memory of 1544	3672	._cache_dÖrk.exe	84

C:\Users\Admin\AppData\Local\Temp\dÖrk\._cache_dÖrk.exe
"C:\Users\Admin\AppData\Local\Temp\dÖrk\._cache_dÖrk.exe"
1⤵
- Checks computer location settings
- 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:3672
- C:\Users\Admin\AppData\Local\Temp\3582-490\._cache_dÖrk.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\._cache_dÖrk.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1544

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

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

Filesize
86KB

MD5
3b73078a714bf61d1c19ebc3afc0e454

SHA1
9abeabd74613a2f533e2244c9ee6f967188e4e7e

SHA256
ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

SHA512
75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\._cache_dÖrk.exe

Filesize
330KB

MD5
4c0eb1b3a4c85cffe4e42ab480eb7d8c

SHA1
5e379d47505d9b1c71a8084e2e3170db6da005de

SHA256
f2282d4ff1a4ba8d9806f00afeb9f33336285e1b858293868a7d9a4f5e318e4b

SHA512
6004e1fb280bc055ce5ebed8012005c33aa8659d5bcf4bd0792354cb26dbdcbc3acce78848346753a97cd4f5c9293e5b9fc0aa1b63e6590bc0cc7ab92fc2a843

Download Submit
memory/1544-14-0x0000000004A50000-0x0000000004AEC000-memory.dmp

Filesize
624KB

Download
memory/1544-13-0x0000000000190000-0x00000000001E8000-memory.dmp

Filesize
352KB

Download
memory/1544-15-0x00000000050E0000-0x0000000005684000-memory.dmp

Filesize
5.6MB

Download
memory/1544-16-0x0000000004BD0000-0x0000000004C62000-memory.dmp

Filesize
584KB

Download
memory/1544-17-0x0000000004B40000-0x0000000004B4A000-memory.dmp

Filesize
40KB

Download
memory/1544-18-0x0000000004C70000-0x0000000004CC6000-memory.dmp

Filesize
344KB

Download
memory/1544-19-0x0000000073970000-0x0000000074120000-memory.dmp

Filesize
7.7MB

Download
memory/1544-12-0x000000007397E000-0x000000007397F000-memory.dmp

Filesize
4KB

Download
memory/1544-104-0x000000007397E000-0x000000007397F000-memory.dmp

Filesize
4KB

Download
memory/1544-105-0x0000000073970000-0x0000000074120000-memory.dmp

Filesize
7.7MB

Download
memory/3672-103-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3672-106-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3672-108-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads