neshta | 15647a914dc6605231058f00867206452439ddcd4fec4a92118c64e8b361e729

Analysis

max time kernel
147s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 22:06

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General

Target
3433e00fd7556cda4892002a284c39af.exe
Size 789KB
Sample240409-11axlsdg39
SHA256 15647a914dc6605231058f00867206452439ddcd4fec4a92118c64e8b361e729
MD5 3433e00fd7556cda4892002a284c39af
SHA1 8926cb8caf476d3a5bbc1bb20450ec26945bf4bb
SHA512 0d89c5237e797879354eea9311658d64e27f48e46de02ffd82e51d83523b16f7bc34019c2b6a57f9e21a8d6b20b22abd3e0d7a04d0a87911a2272cf123de3141
SSDEEP 24576:D6ZjW7/9oYT0uezG/aYFkJR30F6rp84bh:Gh+/9t0uq0GJyFav
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

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-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	3433e00fd7556cda4892002a284c39af.exe

Executes dropped EXE 2 IoCs

pid	Process
848	3433e00fd7556cda4892002a284c39af.exe
3120	3433e00fd7556cda4892002a284c39af.tmp

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\" %*"	3433e00fd7556cda4892002a284c39af.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\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.21\MICROS~3.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.21\MIA062~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.92\msedge_pwa_launcher.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.92\msedgewebview2.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.92\BHO\ie_to_edge_stub.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.92\cookie_exporter.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.92\identity_helper.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.92\notification_click_helper.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.92\pwahelper.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.21\MI9C33~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.92\INSTAL~1\setup.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.21\MICROS~4.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13185~1.21\MICROS~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\122023~1.92\msedge_proxy.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	3433e00fd7556cda4892002a284c39af.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	3433e00fd7556cda4892002a284c39af.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	3433e00fd7556cda4892002a284c39af.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\" %*"	3433e00fd7556cda4892002a284c39af.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	21	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 848	1356	3433e00fd7556cda4892002a284c39af.exe	96
PID 1356 wrote to memory of 848	1356	3433e00fd7556cda4892002a284c39af.exe	96
PID 1356 wrote to memory of 848	1356	3433e00fd7556cda4892002a284c39af.exe	96
PID 848 wrote to memory of 3120	848	3433e00fd7556cda4892002a284c39af.exe	98
PID 848 wrote to memory of 3120	848	3433e00fd7556cda4892002a284c39af.exe	98
PID 848 wrote to memory of 3120	848	3433e00fd7556cda4892002a284c39af.exe	98

C:\Users\Admin\AppData\Local\Temp\3433e00fd7556cda4892002a284c39af.exe
"C:\Users\Admin\AppData\Local\Temp\3433e00fd7556cda4892002a284c39af.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:1356
- C:\Users\Admin\AppData\Local\Temp\3582-490\3433e00fd7556cda4892002a284c39af.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\3433e00fd7556cda4892002a284c39af.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:848
- - C:\Users\Admin\AppData\Local\Temp\is-3PNQK.tmp\3433e00fd7556cda4892002a284c39af.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-3PNQK.tmp\3433e00fd7556cda4892002a284c39af.tmp" /SL5="$8018A,376057,121344,C:\Users\Admin\AppData\Local\Temp\3582-490\3433e00fd7556cda4892002a284c39af.exe"
    3⤵
    - Executes dropped EXE
    PID:3120

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=4520 --field-trial-handle=2260,i,4762972005863767630,9297428255150568035,262144 --variations-seed-version /prefetch:8
1⤵
PID:5064

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

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Downloads

ACROTE~1.EXE

Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
Size 86KB
SHA256 a46d1ffbe9114015050b2a778859c26248f8bab22d5d1a302b59373bc20c6b45
MD5 ef63e5ccbea2788d900f1c70a6159c68
SHA1 4ac2e144f9dd97a0cd061b76be89f7850887c166
SHA512 913371abb54e0adc94aa08372a20f07ced9f9fdc170f9e468cd39c7387c7e30c1ae238148ccf355d5c8b88b7fd63f914bb108c6cafca9a791d02d8b36468bfac
SSDEEP 1536:yxqjQ+P04wsZLnDrCvgh/sE/EkHd0Ci2zkQASqk+H6L2C:zr8WDrCEsEM6GC+QA8+HlC
MD5 SHA1 SHA512 SSDEEP

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3433e00fd7556cda4892002a284c39af.exe

Path C:\Users\Admin\AppData\Local\Temp\3582-490\3433e00fd7556cda4892002a284c39af.exe
Size 748KB
SHA256 22e2727f8bfa60e427270221e94e358e5707e260ca27fc1fecb8475dbb0622b7
MD5 6a2043be9a1479b52819518a1c860e9a
SHA1 85e62586df6f86c1f263d2378ab61b29e93dcacf
SHA512 4042e3f68718876f68d3a1b776ef7ff408c515c0e0f9ab41242cf7ebc46f89229f2d307471afdd79e378aedfcd694129e87885e2132f3c286d23711dcaa38b50
SSDEEP 12288:uaHc64b888888888888W88888888888MoscV7/9GqeMo3YM5obYw33rD+zG/oBiq:F86ZjW7/9oYT0uezG/aYFkJR30F6rp8y
MD5 SHA1 SHA512 SSDEEP

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3433e00fd7556cda4892002a284c39af.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-3PNQK.tmp\3433e00fd7556cda4892002a284c39af.tmp
Size 1.1MB
SHA256 9c81817acd4982632d8c7f1df3898fca1477577738184265d735f49fc5480f07
MD5 34acc2bdb45a9c436181426828c4cb49
SHA1 5adaa1ac822e6128b8d4b59a54d19901880452ae
SHA512 134ff4022571efd46f7a62e99b857ebe834e9916c786345908010f9e1fb90be226b740ddee16ae9290fe45c86be7238c4555e422abe66a461d11545e19734beb
SSDEEP 24576:/nbbPImgK4brDi4IxgRqzwqNb+Yz73P2EMZbG0JEtdqxyt:/HeKh4nqzF3PYdSto
MD5 SHA1 SHA512 SSDEEP

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memory/848-97-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/848-12-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/1356-118-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-140-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-155-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-149-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-146-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-122-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-125-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-128-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-131-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-137-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/1356-96-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3120-121-0x00000000006E0000-0x00000000006E1000-memory.dmp

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memory/3120-18-0x00000000006E0000-0x00000000006E1000-memory.dmp

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memory/3120-98-0x0000000000400000-0x000000000052E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads