makop | e8013dbbfa2755e6cb962d3babb23c9d3f0f7ca615c887cd2cdbd9011cd5d44a

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22-01-2024 06:56

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General

Target

2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
Size

89KB
MD5

a6bd87588e880f65273180ce92385fa1
SHA1

2c28e8a0557deb38741dc0eb805754814c81b7de
SHA256

e8013dbbfa2755e6cb962d3babb23c9d3f0f7ca615c887cd2cdbd9011cd5d44a
SHA512

d91f946d5703d57b8cd72c7a92727e3f3182106ab644847b5f5b8db1b58ccc10f5a5168d3b8ca49beb61a384d3bca8a478596fbc8d55836955470517032cfcd2
SSDEEP

1536:JxqjQ+P04wsmJCvTT2sd5sxaS318HxZATvnsblYO4/+:sr85CHRd5Kr318RZEvsbyOk+

Score

10^/10

makop neshta persistence ransomware spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral1/files/0x000100000001031e-13.dat	family_neshta
behavioral1/memory/1916-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1916-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1916-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1916-90-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

MAKOP ransomware payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000016cac-2.dat	family_makop

Makop
Ransomware family discovered by @VK_Intel in early 2020.
ransomware makop
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
2116	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe

Loads dropped DLL 3 IoCs

pid	Process
1916	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
1916	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
1916	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_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\" %*"	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_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\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_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\" %*"	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2116	1916	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe	28
PID 1916 wrote to memory of 2116	1916	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe	28
PID 1916 wrote to memory of 2116	1916	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe	28
PID 1916 wrote to memory of 2116	1916	2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_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:1916
- C:\Users\Admin\AppData\Local\Temp\3582-490\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe"
  2⤵
  - Executes dropped EXE
  PID:2116

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\2024-01-22_a6bd87588e880f65273180ce92385fa1_makop_neshta.exe

Filesize
49KB

MD5
02a575b9f4c0018b36c1ddf6eac3020c

SHA1
5135f093a792f6e36d36f353b845ceaa0419d380

SHA256
81eaa2c5cbcb5997f6880834ce09ce80aedc68510f1b8cd61030ea925344b829

SHA512
41291fb341857db845caec441131ae815b5a24d787f00e7dcdb2fdae86d674a4f1f4cfbb938ef0475ac51ed456697482bb13febdc92d9a3dfbbac59e01845f6b

Download Submit
memory/1916-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1916-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1916-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1916-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads