neshta | 33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989

Analysis

max time kernel
51s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 21:22

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General

Target

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
Size

169KB
MD5

a55352cc353d0b8d14e2d13ede87ec5f
SHA1

6b8e1c03aff04edbae49d910d22e2c00d13cd308
SHA256

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989
SHA512

cef5ebbdb4d4827202cb26b0c6d8fbcc7ad29541301f7d84d2dfacebd79812499ae68898a7e3912d20a8f8e4985385fcf8faeae1e2af2c3e27fb08380cc7c315
SSDEEP

3072:sr85CQ84WdGFt/5ogrHB9FyviLd44qDXxMm2cX0mZs+05Fo51:k97dWh96QOH1/a5Fo51

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0001000000010314-9.dat	family_neshta
behavioral1/memory/1256-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1256-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1256-84-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1256-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1256-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1256-88-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

Processes:

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

pid	Process
912	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

Loads dropped DLL 2 IoCs

Processes:

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

pid	Process
1256	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
1256	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.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

Drops file in Program Files directory 64 IoCs

Processes:

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

Drops file in Windows directory 1 IoCs

Processes:

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.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

Processes:

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

Modifies registry class 1 IoCs

Processes:

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

description	pid	Process	procid_target
PID 1256 wrote to memory of 912	1256	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe	30
PID 1256 wrote to memory of 912	1256	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe	30
PID 1256 wrote to memory of 912	1256	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe	30
PID 1256 wrote to memory of 912	1256	33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe	30

C:\Users\Admin\AppData\Local\Temp\33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
"C:\Users\Admin\AppData\Local\Temp\33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.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:1256
- C:\Users\Admin\AppData\Local\Temp\3582-490\33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe"
  2⤵
  - Executes dropped EXE
  PID:912

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
\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\3582-490\33b074528d775f34088385e730a0cdeef7118c0f0fdd5d8bf954066806b20989.exe

Filesize
128KB

MD5
d00cacde6402e97240fcf9983d16c1c1

SHA1
ec085677cd01e3fe7398fec4e1d3ba2d7bd96b53

SHA256
090622d67b74ce235631adbd7af8492aedcc6a530b10513f3a2c59d70f42d2f4

SHA512
1d92029aa0624018cf3165a10a49184584a907aa7390c5256e0dfc390d84259dd8dd1aed24df9c116261f37c7e622b3381758f564f883c18bf3475fb7a511324

Download Submit
memory/1256-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1256-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1256-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1256-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1256-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/1256-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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