neshta | 8ad433b21b524ef400200f478cf1f280a77d810ed7d51c47422f3d7c33eaf3cb

Analysis

max time kernel
102s
max time network
69s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 18:12

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General

Target

Ocean-fX8Z9F6N8.exe
Size

2.4MB
MD5

cf01fd4322bcfd83364fffd15ef29a75
SHA1

b1445db2e6545de3f94aa1f914a6697a0e027579
SHA256

8ad433b21b524ef400200f478cf1f280a77d810ed7d51c47422f3d7c33eaf3cb
SHA512

9cf8cba5f2f29745ab115c9f7ebb23c04686c5dff284e4f6762dc7a79a50c3a3340fb94496865213141e6c59c354134503f65f5eff263a9ad651eaa42277a28e
SSDEEP

24576:dLphtLzNPZlVOEvD9SYtSBzh0DkkaE64RyKMZyCV1E5/VGJnFLOrt1:BtL99OEUtWDkG6MptMnct1

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 7 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-9.dat	family_neshta
behavioral1/memory/2476-100-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2476-116-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2476-117-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2476-118-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2476-119-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2476-121-0x0000000000400000-0x000000000041B000-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
Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2940	Ocean-fX8Z9F6N8.exe
1280	Process not Found
2212	0ZhZs.exe

Loads dropped DLL 4 IoCs

pid	Process
2476	Ocean-fX8Z9F6N8.exe
1280	Process not Found
2476	Ocean-fX8Z9F6N8.exe
2940	Ocean-fX8Z9F6N8.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\" %*"	Ocean-fX8Z9F6N8.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 2 IoCs

pid	Process
2212	0ZhZs.exe
2212	0ZhZs.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	Ocean-fX8Z9F6N8.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	Ocean-fX8Z9F6N8.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	Ocean-fX8Z9F6N8.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 1 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	Ocean-fX8Z9F6N8.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\" %*"	Ocean-fX8Z9F6N8.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2212	0ZhZs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2940	Ocean-fX8Z9F6N8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2940	Ocean-fX8Z9F6N8.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2940	2476	Ocean-fX8Z9F6N8.exe	30
PID 2476 wrote to memory of 2940	2476	Ocean-fX8Z9F6N8.exe	30
PID 2476 wrote to memory of 2940	2476	Ocean-fX8Z9F6N8.exe	30
PID 2476 wrote to memory of 2940	2476	Ocean-fX8Z9F6N8.exe	30
PID 2940 wrote to memory of 2212	2940	Ocean-fX8Z9F6N8.exe	31
PID 2940 wrote to memory of 2212	2940	Ocean-fX8Z9F6N8.exe	31
PID 2940 wrote to memory of 2212	2940	Ocean-fX8Z9F6N8.exe	31

C:\Users\Admin\AppData\Local\Temp\Ocean-fX8Z9F6N8.exe
"C:\Users\Admin\AppData\Local\Temp\Ocean-fX8Z9F6N8.exe"
1⤵
- Loads dropped DLL
- 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:2476
- C:\Users\Admin\AppData\Local\Temp\3582-490\Ocean-fX8Z9F6N8.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\Ocean-fX8Z9F6N8.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Users\Admin\AppData\Local\Temp\mpr6ev73aloEAR\0ZhZs.exe
    C:\Users\Admin\AppData\Local\Temp\mpr6ev73aloEAR\0ZhZs.exe X8Z9F6N8
    3⤵
    - Executes dropped EXE
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    PID:2212

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\Ocean-fX8Z9F6N8.exe

Filesize
2.3MB

MD5
46888c7235910a21a39b13caa72e6113

SHA1
73f89ce12e2db6655b08efe4f233a8a05aa94fd7

SHA256
ef732471300f0a0d6e0e17f48c20b6e28ae9f5e8fc73b02c1cc3668859b1aed4

SHA512
92513026de2ff0cd9eafaaa9d74ae2e8e15f1aa682d1ab5e6d05a357f6b4debb0f146c2f67284ae5eda99ae8ffc6ce99996d944ed155fe4694d6d7d9b4aeaa2a

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Users\Admin\AppData\Local\Temp\mpr6ev73aloEAR\0ZhZs.exe

Filesize
8.9MB

MD5
b237284e07e8c85ff0d57bfbe46bf145

SHA1
fc6a88353a9e8bf8098866c6636fa59fdc38596a

SHA256
efb6089d9cd5145ce86e9bfa663704f42049598a2cf1795b146cbdc9437c53a8

SHA512
34e4cbfff1fa2435bb763852d7e3ff7ce4edcf4df625a39659a62576da4e1bfad3d83d7976aaf1cbb6fbc4ce77b639d9c6752294c45e367577725fc2e7be784d

Download Submit
memory/2212-111-0x0000000140000000-0x0000000141B36000-memory.dmp

Filesize
27.2MB

Download
memory/2212-105-0x0000000076F10000-0x0000000076F12000-memory.dmp

Filesize
8KB

Download
memory/2212-103-0x0000000076F10000-0x0000000076F12000-memory.dmp

Filesize
8KB

Download
memory/2212-101-0x0000000076F10000-0x0000000076F12000-memory.dmp

Filesize
8KB

Download
memory/2212-108-0x0000000076F20000-0x0000000076F22000-memory.dmp

Filesize
8KB

Download
memory/2212-106-0x0000000076F20000-0x0000000076F22000-memory.dmp

Filesize
8KB

Download
memory/2212-110-0x0000000076F20000-0x0000000076F22000-memory.dmp

Filesize
8KB

Download
memory/2476-100-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2476-116-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2476-117-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2476-118-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2476-119-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2476-121-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download