blackmatter | 6b26877f0065b3a38c07050b1cb4615d22ef039ca94fcae118bd16520a200b1c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
19/06/2024, 08:23

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General

Target

2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
Size

510KB
MD5

158c05f6a58911e568c0497caf1dd363
SHA1

8fb6c09de4406ba53bccfe798d8ac89fcf7813d7
SHA256

6b26877f0065b3a38c07050b1cb4615d22ef039ca94fcae118bd16520a200b1c
SHA512

cb948b85795240c329c61ece866e3e04cac570552c4a06c9d915d90d363ad66a46579c3bbc564de574554da40d5ee69b24308c4004deb802b48bc7fe6569fb2b
SSDEEP

12288:edg/1MB94JD7RfaVT1hG98P67PNV3giFH6J1VjR3L6dpbQrQyEpInmwuRUfaZ7mC:OgdRpBq1hG98P67PNV3giFH6J1VjR3Wf

Score

10^/10

blackmatter lockbit neshta persistence ransomware spyware stealer

Malware Config

Extracted

Family

blackmatter

Version

25.239

Signatures

BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
ransomware blackmatter

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010315-13.dat	family_neshta
behavioral1/memory/2408-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2408-88-0x0000000000400000-0x000000000041B000-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 1 IoCs

resource	yara_rule
behavioral1/files/0x0036000000015cb8-2.dat	family_lockbit

Executes dropped EXE 1 IoCs

pid	Process
2432	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe

Loads dropped DLL 3 IoCs

pid	Process
2408	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
2408	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
2408	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.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\" %*"	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_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

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.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\" %*"	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2432	2408	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe	28
PID 2408 wrote to memory of 2432	2408	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe	28
PID 2408 wrote to memory of 2432	2408	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe	28
PID 2408 wrote to memory of 2432	2408	2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_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:2408
- C:\Users\Admin\AppData\Local\Temp\3582-490\2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe"
  2⤵
  - Executes dropped EXE
  PID:2432

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\2024-06-19_158c05f6a58911e568c0497caf1dd363_darkside_lockbit_neshta.exe

Filesize
469KB

MD5
c2bc344f6dde0573ea9acdfb6698bf4c

SHA1
d6ae7dc2462c8c35c4a074b0a62f07cfef873c77

SHA256
a736269f5f3a9f2e11dd776e352e1801bc28bb699e47876784b8ef761e0062db

SHA512
d60cf86c0267cd4e88d21768665bbb43f3048dace1e0013b2361c5bfabf2656ff6215dfb75b6932e09545473305b4f707c069721cdde317b1df1709cd9fc61c0

Download Submit
memory/2408-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2408-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads