neshta | 59b215f81c5c5f4c6148f8d349aec9f9645101a825d2b3f7c7078abf47a6cb99

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 23:07

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General

Target

1f7184ff26bf0e67dd74606ea389dd72.exe
Size

1.3MB
MD5

1f7184ff26bf0e67dd74606ea389dd72
SHA1

11f7a3c81ea702bfe2c91182da7569260ad704d4
SHA256

59b215f81c5c5f4c6148f8d349aec9f9645101a825d2b3f7c7078abf47a6cb99
SHA512

5e32b688783b6fe5d55252a85007ee3e341191c664d24e69aeb8ba06cf19f979539f161d8828d00f6554d144b27ca0deae0d992ee8bb0e08d5758776d4b6b5c6
SSDEEP

24576:afKb+GlrPj37VzHEA6B3vDaCCGkJ/bcXExy4FqpaXIaraXIaXIaXIaXIara4:aCtrPj37VzHEA6B/tCGAVpqCO111v

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010322-13.dat	family_neshta
behavioral1/memory/848-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/848-90-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/848-91-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/848-92-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/848-94-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
2680	1f7184ff26bf0e67dd74606ea389dd72.exe

Loads dropped DLL 3 IoCs

pid	Process
848	1f7184ff26bf0e67dd74606ea389dd72.exe
848	1f7184ff26bf0e67dd74606ea389dd72.exe
848	1f7184ff26bf0e67dd74606ea389dd72.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\" %*"	1f7184ff26bf0e67dd74606ea389dd72.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\INTERN~1\iexplore.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	1f7184ff26bf0e67dd74606ea389dd72.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	1f7184ff26bf0e67dd74606ea389dd72.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	1f7184ff26bf0e67dd74606ea389dd72.exe
File created	C:\Windows\svchost.exe	1f7184ff26bf0e67dd74606ea389dd72.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\" %*"	1f7184ff26bf0e67dd74606ea389dd72.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2680	848	1f7184ff26bf0e67dd74606ea389dd72.exe	28
PID 848 wrote to memory of 2680	848	1f7184ff26bf0e67dd74606ea389dd72.exe	28
PID 848 wrote to memory of 2680	848	1f7184ff26bf0e67dd74606ea389dd72.exe	28
PID 848 wrote to memory of 2680	848	1f7184ff26bf0e67dd74606ea389dd72.exe	28

C:\Users\Admin\AppData\Local\Temp\1f7184ff26bf0e67dd74606ea389dd72.exe
"C:\Users\Admin\AppData\Local\Temp\1f7184ff26bf0e67dd74606ea389dd72.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\3582-490\1f7184ff26bf0e67dd74606ea389dd72.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\1f7184ff26bf0e67dd74606ea389dd72.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2680

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

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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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\1f7184ff26bf0e67dd74606ea389dd72.exe

Filesize
1.2MB

MD5
47d4d3ec9834abb75a0a44f74ca0bce2

SHA1
629f335a8dc2f35183b84681f182a96e683b35e2

SHA256
acea87fa2bd64f930e01a4f38bf79042933ab0a5128c1d7cd286a04ba329e091

SHA512
516a94a46c7841553b9aaf986e2bf7d709f99ee14b57dce7f5a42998044c8fe8ab9ed8a4a730e99bc431de8b4bb4d41ba3d1f33944e6b2ca893374c469e9018d

Download Submit
memory/848-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/848-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/848-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/848-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/848-94-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2680-16-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads