neshta | a0a1e9b62191e07ea98956e62287d3a9fadc0b6dbd7d6e60a755d2396b35fad6

General

Target

cf3481040d52591b5a01f0b270b1db87.exe
Size

471KB
MD5

cf3481040d52591b5a01f0b270b1db87
SHA1

56b739a55c2e51b78eda3582dbb5abbcc5d787b4
SHA256

a0a1e9b62191e07ea98956e62287d3a9fadc0b6dbd7d6e60a755d2396b35fad6
SHA512

bbd5fb83897f3bbaf6f4987ad2312884233037ea850fdc8592ecebe7bf1da35da9d6f3d1c4e5351790df95c38bad60b6b14c71ad010f5d6a8e1c508860ed7be0

Score

10^/10

neshta xloader b6a4 loader persistence rat spyware stealer

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

b6a4

C2

http://www.helpmovingandstorage.com/b6a4/

Decoy

gr2future.com

asteroid.finance

skoba-plast.com

rnerfrfw5z3ki.net

thesmartroadtoretirement.com

avisdrummondhomes.com

banban365.net

profesyonelkampcadiri.net

royalloanhs.com

yulujy.com

xn--naqejahan-n3b.com

msalee.net

dollyvee.com

albertagamehawkersclub.com

cbspecialists.com

findingforeverrealty.com

mrtireshop.com

wadamasanari.com

growtechinfo.com

qipai039.com

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

cf3481040d52591b5a01f0b270b1db87.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	cf3481040d52591b5a01f0b270b1db87.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1228-120-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Executes dropped EXE 2 IoCs

Processes:

cf3481040d52591b5a01f0b270b1db87.execf3481040d52591b5a01f0b270b1db87.exe

pid process

1012 cf3481040d52591b5a01f0b270b1db87.exe
1228 cf3481040d52591b5a01f0b270b1db87.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
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

cf3481040d52591b5a01f0b270b1db87.exe

description pid process target process

PID 1012 set thread context of 1228 1012 cf3481040d52591b5a01f0b270b1db87.exe cf3481040d52591b5a01f0b270b1db87.exe

pid	process
1012	cf3481040d52591b5a01f0b270b1db87.exe
1228	cf3481040d52591b5a01f0b270b1db87.exe

description	pid	process	target process
PID 1012 set thread context of 1228	1012	cf3481040d52591b5a01f0b270b1db87.exe	cf3481040d52591b5a01f0b270b1db87.exe

Drops file in Program Files directory 55 IoCs

Processes:

cf3481040d52591b5a01f0b270b1db87.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~4.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GO664E~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\WinMail.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ACCESS~1\wordpad.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~3.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~2.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Temp\GUM18A1.tmp\GOFB2B~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOBD5D~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOF5E2~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	cf3481040d52591b5a01f0b270b1db87.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	cf3481040d52591b5a01f0b270b1db87.exe

Drops file in Windows directory 1 IoCs

Processes:

cf3481040d52591b5a01f0b270b1db87.exe

description ioc process

File opened for modification C:\Windows\svchost.com cf3481040d52591b5a01f0b270b1db87.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	cf3481040d52591b5a01f0b270b1db87.exe

Modifies registry class 1 IoCs

Processes:

cf3481040d52591b5a01f0b270b1db87.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	cf3481040d52591b5a01f0b270b1db87.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

cf3481040d52591b5a01f0b270b1db87.exe

pid process

1228 cf3481040d52591b5a01f0b270b1db87.exe
1228 cf3481040d52591b5a01f0b270b1db87.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

cf3481040d52591b5a01f0b270b1db87.exe

pid process

1012 cf3481040d52591b5a01f0b270b1db87.exe

pid	process
1228	cf3481040d52591b5a01f0b270b1db87.exe
1228	cf3481040d52591b5a01f0b270b1db87.exe

pid	process
1012	cf3481040d52591b5a01f0b270b1db87.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cf3481040d52591b5a01f0b270b1db87.execf3481040d52591b5a01f0b270b1db87.exe

description	pid	process	target process
PID 644 wrote to memory of 1012	644	cf3481040d52591b5a01f0b270b1db87.exe	cf3481040d52591b5a01f0b270b1db87.exe
PID 644 wrote to memory of 1012	644	cf3481040d52591b5a01f0b270b1db87.exe	cf3481040d52591b5a01f0b270b1db87.exe
PID 644 wrote to memory of 1012	644	cf3481040d52591b5a01f0b270b1db87.exe	cf3481040d52591b5a01f0b270b1db87.exe
PID 1012 wrote to memory of 1228	1012	cf3481040d52591b5a01f0b270b1db87.exe	cf3481040d52591b5a01f0b270b1db87.exe
PID 1012 wrote to memory of 1228	1012	cf3481040d52591b5a01f0b270b1db87.exe	cf3481040d52591b5a01f0b270b1db87.exe
PID 1012 wrote to memory of 1228	1012	cf3481040d52591b5a01f0b270b1db87.exe	cf3481040d52591b5a01f0b270b1db87.exe
PID 1012 wrote to memory of 1228	1012	cf3481040d52591b5a01f0b270b1db87.exe	cf3481040d52591b5a01f0b270b1db87.exe

C:\Users\Admin\AppData\Local\Temp\cf3481040d52591b5a01f0b270b1db87.exe
"C:\Users\Admin\AppData\Local\Temp\cf3481040d52591b5a01f0b270b1db87.exe"
1⤵
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:644

C:\Users\Admin\AppData\Local\Temp\3582-490\cf3481040d52591b5a01f0b270b1db87.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\cf3481040d52591b5a01f0b270b1db87.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1012

C:\Users\Admin\AppData\Local\Temp\3582-490\cf3481040d52591b5a01f0b270b1db87.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\cf3481040d52591b5a01f0b270b1db87.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1228

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\cf3481040d52591b5a01f0b270b1db87.exe
MD5
866d1aeb69daac5e6e4dda938edf8d26

SHA1
184f3ae0508d5004a9e3fe981cbc830092d41ed7

SHA256
a41ba93183d03c4cf6b138170fab1d15c306918bb4acd1c2cbc3ee53765e5564

SHA512
e488ee1b612c683c72c9ce7d33727d1f6daa6f1bdb599b9f77fd2cf6f0b7122d650a4347bfb836bf4b5e111c92057ecfb91fd517821c32cf7b1fc246ec8bfcee

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\cf3481040d52591b5a01f0b270b1db87.exe
MD5
866d1aeb69daac5e6e4dda938edf8d26

SHA1
184f3ae0508d5004a9e3fe981cbc830092d41ed7

SHA256
a41ba93183d03c4cf6b138170fab1d15c306918bb4acd1c2cbc3ee53765e5564

SHA512
e488ee1b612c683c72c9ce7d33727d1f6daa6f1bdb599b9f77fd2cf6f0b7122d650a4347bfb836bf4b5e111c92057ecfb91fd517821c32cf7b1fc246ec8bfcee

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\cf3481040d52591b5a01f0b270b1db87.exe
MD5
866d1aeb69daac5e6e4dda938edf8d26

SHA1
184f3ae0508d5004a9e3fe981cbc830092d41ed7

SHA256
a41ba93183d03c4cf6b138170fab1d15c306918bb4acd1c2cbc3ee53765e5564

SHA512
e488ee1b612c683c72c9ce7d33727d1f6daa6f1bdb599b9f77fd2cf6f0b7122d650a4347bfb836bf4b5e111c92057ecfb91fd517821c32cf7b1fc246ec8bfcee

Download Submit
memory/1012-114-0x0000000000000000-mapping.dmp

Download
memory/1012-119-0x0000000000590000-0x0000000000592000-memory.dmp

Filesize
8KB

Download
memory/1228-117-0x000000000041D0B0-mapping.dmp

Download
memory/1228-120-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1228-121-0x0000000001680000-0x00000000019A0000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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