lockbit | 4f46dac7fe7e27e955c968fc3297a1f6d7cc89425a4ee67fbe0642cc0d7cff73

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-06-2024 08:23

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General

Target

2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
Size

190KB
MD5

1990b12d690ca0cc794b5b69aff67372
SHA1

3c10c41fae489e0d2ac70cd693a0441da10ded54
SHA256

4f46dac7fe7e27e955c968fc3297a1f6d7cc89425a4ee67fbe0642cc0d7cff73
SHA512

84d29bcec13df6cfefbfb75673f51ebcdf54a4f42a0ea658393520c836b99370893ac8a5a4ccd2ceccadd3282faa3c66bd5946f96fe217f93305ba0762b891de
SSDEEP

3072:sr85CU/ZNMIuc1SoiR9MH8wk44ymr1ilJDoiXWoqflac6sZ/mqFIhzj72WIT6FLD:k9UBNFucVicHrk7yPXDoiXXq0KZeqFIp

Score

10^/10

lockbit neshta persistence ransomware spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x000100000001030f-15.dat	family_neshta
behavioral1/memory/3000-92-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/3000-94-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta

Rule to detect Lockbit 3.0 ransomware Windows payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x000c000000012671-2.dat	family_lockbit
behavioral1/memory/2388-16-0x0000000000400000-0x0000000000429000-memory.dmp	family_lockbit

Executes dropped EXE 1 IoCs

Processes:

2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

pid	Process
2388	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

Loads dropped DLL 6 IoCs

Processes:

2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exeWerFault.exe

pid	Process
3000	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
3000	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
2516	WerFault.exe
2516	WerFault.exe
2516	WerFault.exe
3000	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.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

Processes:

2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2516	2388	WerFault.exe	28

Modifies registry class 1 IoCs

Processes:

2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

description	pid	Process	procid_target
PID 3000 wrote to memory of 2388	3000	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe	28
PID 3000 wrote to memory of 2388	3000	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe	28
PID 3000 wrote to memory of 2388	3000	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe	28
PID 3000 wrote to memory of 2388	3000	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe	28
PID 2388 wrote to memory of 2516	2388	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe	29
PID 2388 wrote to memory of 2516	2388	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe	29
PID 2388 wrote to memory of 2516	2388	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe	29
PID 2388 wrote to memory of 2516	2388	2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.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:3000
- C:\Users\Admin\AppData\Local\Temp\3582-490\2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 88
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2516

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

Replay Monitor

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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\2024-06-19_1990b12d690ca0cc794b5b69aff67372_lockbit_neshta.exe

Filesize
149KB

MD5
91f84cb36a9e4ce18480d138d571d522

SHA1
c69bb204e844b9f2ed1ace710f2c480ec8f67702

SHA256
3c7dd7371210ee48edc51c437be99eab71e2b38230df3910a81eb6fbc1e3df29

SHA512
7dd445869379390a0ffccb13e6b09e57283c968cf854571997d9b1e8f9c2157d7623bf57e94a01ed6dbc7427e586286f28d1f4af56aa8fed58841cc1dda6ef93

Download Submit
memory/2388-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3000-4-0x0000000002B00000-0x0000000002B29000-memory.dmp

Filesize
164KB

Download
memory/3000-14-0x0000000002B00000-0x0000000002B29000-memory.dmp

Filesize
164KB

Download
memory/3000-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3000-94-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download