neshta | b01cccb830d97e6b2c9eef1eee84993dfda404fb5a7c9bcdd95d9d3f25f0cfe9

Analysis

max time kernel
109s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2025 18:31

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General

Target

Keygen.exe
Size

2.5MB
MD5

e72838eccda2eae29e96b0c572d783c3
SHA1

60f0944ecbd21cf590445c12ba89a2ae48f27a6a
SHA256

f824fdc666630ccb179d9086b79783e3ede76e4392a5edfdd20d93b7259ae061
SHA512

7439902a4f16d29dcc4c749adc40f4541d509e607d915287c6c98f609ef14c4eb99ec507d7e7c853527a6c08628a367b21ae0f066828c2cc8792f2c1a3fa77f8
SSDEEP

49152:IJdf39XFINkWr5kkYe6TdOYz44rcaMJIsjOO/ry3X0EdNZgJAxGEG8CZaFDG5UN:q9XaH5kheKdX4cjuR6q6XTNTI58ZTN

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 4 IoCs

resource	yara_rule
behavioral2/files/0x0006000000020394-14.dat	family_neshta
behavioral2/memory/1076-123-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1076-125-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1076-127-0x0000000000400000-0x000000000041B000-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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
52	1168	Process not Found

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-1-5-21-194335498-2604837297-537231065-1000\Control Panel\International\Geo\Nation	Keygen.exe

Executes dropped EXE 1 IoCs

pid	Process
4428	Keygen.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\" %*"	Keygen.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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4428	Keygen.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\MSEDGE~2.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.43\MICROS~2.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	Keygen.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\IDENTI~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\INSTAL~1\setup.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\PWAHEL~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.43\MICROS~4.EXE	Keygen.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\ELEVAT~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\MSEDGE~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~2\13195~1.43\MI9C33~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	Keygen.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~2\MICROS~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	Keygen.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\BHO\IE_TO_~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\COOKIE~1.EXE	Keygen.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\msedge.exe	Keygen.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	Keygen.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 3 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	Keygen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Keygen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2024	MicrosoftEdgeUpdate.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\" %*"	Keygen.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4428	Keygen.exe
4428	Keygen.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 4428	1076	Keygen.exe	86
PID 1076 wrote to memory of 4428	1076	Keygen.exe	86
PID 1076 wrote to memory of 4428	1076	Keygen.exe	86

C:\Users\Admin\AppData\Local\Temp\Keygen.exe
"C:\Users\Admin\AppData\Local\Temp\Keygen.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:1076
- C:\Users\Admin\AppData\Local\Temp\3582-490\Keygen.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\Keygen.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4428

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI3IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzY1NDY1MjIwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2024

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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\ACROTE~1.EXE

Filesize
86KB

MD5
3b73078a714bf61d1c19ebc3afc0e454

SHA1
9abeabd74613a2f533e2244c9ee6f967188e4e7e

SHA256
ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

SHA512
75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

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

Filesize
2.5MB

MD5
62b039b2af7bf5f6abf35ef903024300

SHA1
4ae220e451482e839619c2e927752468e0eda8d5

SHA256
83d7f6eaf7fe075503ea6a0bc726633c34595a6eae7edd7deab95ab4d4a66fd5

SHA512
8abcf2fb422465fa578eb59e2788317ef88360551b675c964e03475a865e22dd4b86550bb442c1823fa72de059cedb438cac34538dcb291ccdb22fd34ee5433e

Download Submit
memory/1076-123-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1076-125-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1076-127-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4428-9-0x0000000000400000-0x0000000001B3C000-memory.dmp

Filesize
23.2MB

Download
memory/4428-10-0x0000000077220000-0x0000000077221000-memory.dmp

Filesize
4KB

Download
memory/4428-124-0x0000000000400000-0x0000000001B3C000-memory.dmp

Filesize
23.2MB

Download