neshta | 2c4e3dad22d9dcc14f5283ba60e9b76ea4e8b8b8230ae72d38c0ac08a11bc15a

Analysis

max time kernel
153s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2024, 11:56

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General

Target
Intel.exe
Size 388KB
Sample240502-n33desgd3w
SHA256 2c4e3dad22d9dcc14f5283ba60e9b76ea4e8b8b8230ae72d38c0ac08a11bc15a
MD5 559cf0fe4a8de637b551f8ca13b9f4d5
SHA1 f11557c5c021b7aec3a2aab71d80b7dbeb4156bb
SHA512 b5ba5dc45f80034084c87250fb2c47cbde7bc060de3266da42a6faee46e951d6b4faac34acf747851b69455fab54916d5067c38668ab262271145ce9a8a03ce0
SSDEEP 6144:k9Gf500MWQXPH3Jtb+lcpS1dayI1gg31RONHa:L50NPJsl6S1dayI6g31oY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

neshta quasar new persistence spyware stealer trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

103.187.4.53:8808

Mutex

QSR_MUTEX_u4SGx4JeBWr8883ebl

Attributes

encryption_key
GJQ7lAZui8pfEFghjba1
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Host Process for Windows Task
subdirectory
SubDir

Signatures

Detect Neshta payload 16 IoCs

resource	yara_rule
behavioral2/memory/4744-16-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-22-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/files/0x000600000002004d-25.dat	family_neshta
behavioral2/memory/4744-108-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-133-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-134-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-135-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-136-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-137-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-138-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-139-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-140-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-141-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-142-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-143-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4744-144-0x0000000000400000-0x000000000041B000-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
Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023252-4.dat	family_quasar
behavioral2/memory/4620-14-0x0000000000190000-0x00000000001EE000-memory.dmp	family_quasar

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	Intel.exe

Executes dropped EXE 1 IoCs

pid	Process
4620	Intel.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\" %*"	Intel.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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
12	ip-api.com

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	Intel.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	Intel.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	Intel.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	Intel.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MI391D~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	Intel.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	Intel.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	Intel.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.52\INSTAL~1\setup.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.52\msedge_proxy.exe	Intel.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	Intel.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	Intel.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	Intel.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{17316~1\WINDOW~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.52\BHO\ie_to_edge_stub.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MICROS~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.52\msedge.exe	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	Intel.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.52\notification_click_helper.exe	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.52\cookie_exporter.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	Intel.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	Intel.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	Intel.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	Intel.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.52\elevation_service.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MICROS~4.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MI9C33~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	Intel.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	Intel.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	Intel.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{FB050~1\WINDOW~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	Intel.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	Intel.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.52\pwahelper.exe	Intel.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.17\MICROS~2.EXE	Intel.exe

Drops file in Windows directory 1 IoCs

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

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2004	schtasks.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\" %*"	Intel.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4620	Intel.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 4620	4744	Intel.exe	90
PID 4744 wrote to memory of 4620	4744	Intel.exe	90
PID 4744 wrote to memory of 4620	4744	Intel.exe	90
PID 4620 wrote to memory of 2004	4620	Intel.exe	92
PID 4620 wrote to memory of 2004	4620	Intel.exe	92
PID 4620 wrote to memory of 2004	4620	Intel.exe	92

C:\Users\Admin\AppData\Local\Temp\Intel.exe
"C:\Users\Admin\AppData\Local\Temp\Intel.exe"
1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Users\Admin\AppData\Local\Temp\3582-490\Intel.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\Intel.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4620
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "Host Process for Windows Task" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\3582-490\Intel.exe" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:2004

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:4496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Scheduled Task/Job

T1053

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Scheduled Task/Job

T1053

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

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Downloads

AcroRd32.exe

Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
Size 2.4MB
SHA256 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
MD5 8ffc3bdf4a1903d9e28b99d1643fc9c7
SHA1 919ba8594db0ae245a8abd80f9f3698826fc6fe5
SHA512 0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427
SSDEEP 49152:oTfiUEWo6zuEz439z99akTBc4O8b8ITDnlT4NvJX:oTfiG/nzU90T
MD5 SHA1 SHA512 SSDEEP

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Intel.exe

Path C:\Users\Admin\AppData\Local\Temp\3582-490\Intel.exe
Size 348KB
SHA256 2f6a298c6d9aa7ebb1f372e5ccf27ec37078cb7bf8c1abcb2f0cbeb8003b26bb
MD5 2463b3266b7e5d46e3c402a93555626d
SHA1 2a7d5f2462fb5b14f551bc5c7c8554eac0dbef4a
SHA512 cbbc4e7ff090f3c879fb25c4b10092178635291872c5874f5e03f1ce105d6d7bed02e1a3f58d12a420c1e545eaf4e15cf20eb69bb9b00a2a9e41fb8cbad7b610
SSDEEP 6144:tONHXf500MWQXPH3Jtb+lcpS1dayI1gg31:cd50NPJsl6S1dayI6g31
MD5 SHA1 SHA512 SSDEEP

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memory/4620-117-0x0000000073D2E000-0x0000000073D2F000-memory.dmp

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memory/4620-15-0x0000000005110000-0x00000000056B4000-memory.dmp

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memory/4620-132-0x0000000073D20000-0x00000000744D0000-memory.dmp

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memory/4620-17-0x0000000004C10000-0x0000000004CA2000-memory.dmp

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memory/4620-18-0x0000000073D20000-0x00000000744D0000-memory.dmp

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memory/4620-19-0x0000000004FB0000-0x0000000005016000-memory.dmp

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memory/4620-20-0x0000000005C00000-0x0000000005C12000-memory.dmp

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memory/4620-21-0x0000000006040000-0x000000000607C000-memory.dmp

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memory/4620-13-0x0000000073D2E000-0x0000000073D2F000-memory.dmp

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memory/4620-14-0x0000000000190000-0x00000000001EE000-memory.dmp

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memory/4620-37-0x0000000006780000-0x000000000678A000-memory.dmp

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memory/4744-141-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-133-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-22-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-137-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-134-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-135-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-136-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-108-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-138-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-139-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-140-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-16-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-142-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-143-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4744-144-0x0000000000400000-0x000000000041B000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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