neshta | 21dfbeca99921ce2ae9f1bbfe044920f2c8bce2c61c2efa77b20edc5338b7a07

Analysis

max time kernel
89s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 18:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bc8e607dcbe7b50fa226746bb128f4b4.exe
Size

679KB
MD5

bc8e607dcbe7b50fa226746bb128f4b4
SHA1

d94e5ff31a8c22f1c5cb455823c253d24c224bcb
SHA256

21dfbeca99921ce2ae9f1bbfe044920f2c8bce2c61c2efa77b20edc5338b7a07
SHA512

1c2f959875214a4ee5e637f5812f2d26d2d1d9286fa98f3ab2b27b1208f5762c4e61139913552df52de20ca70d5779fecef4116e3bf5a3431c780a74b1703e6f
SSDEEP

12288:G+a+1ERLTwf8h2tHTC7TcrjptfNL/1/vFWn7AUVs9jSFq:/r1ER3wEhkHTrrVt1dFc7quFq

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 7 IoCs

resource	yara_rule
behavioral2/memory/4920-3-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4920-4-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4920-5-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4920-8-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4920-104-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4920-105-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4920-107-0x0000000000400000-0x000000000041B000-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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	bc8e607dcbe7b50fa226746bb128f4b4.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\" %*"	bc8e607dcbe7b50fa226746bb128f4b4.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2428 set thread context of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MICROS~4.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MICROS~3.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MIA062~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MICROS~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13181~1.5\MI9C33~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	bc8e607dcbe7b50fa226746bb128f4b4.exe

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

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\" %*"	bc8e607dcbe7b50fa226746bb128f4b4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2428	bc8e607dcbe7b50fa226746bb128f4b4.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87
PID 2428 wrote to memory of 4920	2428	bc8e607dcbe7b50fa226746bb128f4b4.exe	87

C:\Users\Admin\AppData\Local\Temp\bc8e607dcbe7b50fa226746bb128f4b4.exe
"C:\Users\Admin\AppData\Local\Temp\bc8e607dcbe7b50fa226746bb128f4b4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\bc8e607dcbe7b50fa226746bb128f4b4.exe
  C:\Users\Admin\AppData\Local\Temp\bc8e607dcbe7b50fa226746bb128f4b4.exe
  2⤵
  - Checks computer location settings
  - Modifies system executable filetype association
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies registry class
  PID:4920

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

Filesize
2.4MB

MD5
91865aebc2137e79f6f2c49d8ba766cc

SHA1
a7b3e03905266eb9f07c77fde57671d99c946c4b

SHA256
9444a53f10b0a20c373615822e04d2bff08172842ccf6d5fdb09cd0fb3c56156

SHA512
7221d1cfee5825b15194931e9dbc8f0aae7f1a7bcffcc70584cf4164c785e22bac49a1bfb950d908ff986ad633047409557b83d45b5531e30d2f0561eac1a5b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\bc8e607dcbe7b50fa226746bb128f4b4.exe

Filesize
639KB

MD5
790353039dd73ff08e3080dbe1477ffb

SHA1
5bbc07627ab4e4fe7ae88b70d4806e059c8860f8

SHA256
d26b6a3f8febf066ae0b716e46e7e1a4e3632e9e56eac4d8def7a268a25eef2b

SHA512
85da29da650f127950280151c78c5877ca243601d4c7a21677dba46badb4fb2ec146ede346c8ad617eedd869062466feb99dd1d741cd5542efa477126d518fac

Download Submit
memory/2428-0-0x0000000000400000-0x000000000040E001-memory.dmp

Filesize
56KB

Download
memory/2428-6-0x0000000000400000-0x000000000040E001-memory.dmp

Filesize
56KB

Download
memory/4920-3-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4920-4-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4920-5-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4920-8-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4920-104-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4920-105-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4920-107-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads