neshta | 2bf85967fb9126459be466a7ecbdbaa32bd1ec69e6cbee24a295852fff807b05

max time kernel
51s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
26/11/2022, 11:25

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General

Target
af95f41f73e451c4d1f5fd8acdd0c863.exe
Size 1.1MB
Sample221126-njsd4sbb98
SHA256 2bf85967fb9126459be466a7ecbdbaa32bd1ec69e6cbee24a295852fff807b05
MD5 af95f41f73e451c4d1f5fd8acdd0c863
SHA1 55c03b064063d15af1eb9bdb766bd90ec9b6f8c4
SHA512 f50d479038f16a60b0ef4f8670d0dcbf7016c96ef12fae08bc9448fed2d61a679844815c48c2b1a65464ba71c006d9ae63c2baf47c7ee3398323ed3077a31bb3
SSDEEP 24576:mRBrzwX0YmJI8DRnCD4jtnT8Q1r0ly78ipwR7H:gJzdnm4lT8Q1r0pieR7H
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

neshta xmrig miner persistence spyware stealer upx

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	af95f41f73e451c4d1f5fd8acdd0c863.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 1 IoCs

miner

resource	yara_rule
behavioral2/memory/4560-203-0x0000000000400000-0x0000000000871000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

pid	Process
4560	af95f41f73e451c4d1f5fd8acdd0c863.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000900000001abfa-163.dat	upx
behavioral2/memory/4560-168-0x0000000000400000-0x0000000000871000-memory.dmp	upx
behavioral2/files/0x000900000001abfa-172.dat	upx
behavioral2/memory/4560-203-0x0000000000400000-0x0000000000871000-memory.dmp	upx

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

Drops file in Program Files directory 55 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\WinMail.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ACCESS~1\wordpad.exe	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	af95f41f73e451c4d1f5fd8acdd0c863.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	af95f41f73e451c4d1f5fd8acdd0c863.exe

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

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\" %*"	af95f41f73e451c4d1f5fd8acdd0c863.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4560	4740	af95f41f73e451c4d1f5fd8acdd0c863.exe	66
PID 4740 wrote to memory of 4560	4740	af95f41f73e451c4d1f5fd8acdd0c863.exe	66
PID 4740 wrote to memory of 4560	4740	af95f41f73e451c4d1f5fd8acdd0c863.exe	66

C:\Users\Admin\AppData\Local\Temp\af95f41f73e451c4d1f5fd8acdd0c863.exe
"C:\Users\Admin\AppData\Local\Temp\af95f41f73e451c4d1f5fd8acdd0c863.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:4740
- C:\Users\Admin\AppData\Local\Temp\3582-490\af95f41f73e451c4d1f5fd8acdd0c863.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\af95f41f73e451c4d1f5fd8acdd0c863.exe"
  2⤵
  - Executes dropped EXE
  PID:4560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

af95f41f73e451c4d1f5fd8acdd0c863.exe

Path C:\Users\Admin\AppData\Local\Temp\3582-490\af95f41f73e451c4d1f5fd8acdd0c863.exe
Size 1.1MB
SHA256 612aa000654882bbb324a233f7599cb4e1eb6fa74c9c29f8cbcd49f158c0d214
MD5 80ff3475582de86c9132364ac9f973c0
SHA1 cc1f51b642d6cf47ee809d1015f174a0adb06841
SHA512 a65374d87bd1bae1a106c423dffd91936892cb76ee0dace833e600baaef65f06c865811ba3882aa7b69033b127355fed2d3770d81f2efe5c6ef954aaa5be72bf
SSDEEP 24576:FRBrzwX0YmJI8DRnCD4jtnT8Q1r0ly78ipwR7:/Jzdnm4lT8Q1r0pieR7
MD5 SHA1 SHA512 SSDEEP

Submit Download

af95f41f73e451c4d1f5fd8acdd0c863.exe

Path C:\Users\Admin\AppData\Local\Temp\3582-490\af95f41f73e451c4d1f5fd8acdd0c863.exe
Size 1.1MB
SHA256 612aa000654882bbb324a233f7599cb4e1eb6fa74c9c29f8cbcd49f158c0d214
MD5 80ff3475582de86c9132364ac9f973c0
SHA1 cc1f51b642d6cf47ee809d1015f174a0adb06841
SHA512 a65374d87bd1bae1a106c423dffd91936892cb76ee0dace833e600baaef65f06c865811ba3882aa7b69033b127355fed2d3770d81f2efe5c6ef954aaa5be72bf
SSDEEP 24576:FRBrzwX0YmJI8DRnCD4jtnT8Q1r0ly78ipwR7:/Jzdnm4lT8Q1r0pieR7
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4560-177-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-168-0x0000000000400000-0x0000000000871000-memory.dmp

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memory/4560-187-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-184-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-183-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-182-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-181-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-180-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-179-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-178-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-185-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-176-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-186-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-174-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-175-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-203-0x0000000000400000-0x0000000000871000-memory.dmp

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memory/4560-173-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-170-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-169-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-166-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-171-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-167-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-164-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4560-165-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-137-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-141-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-150-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-148-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-151-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-152-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-153-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-154-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-155-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-156-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-157-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-158-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-159-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-160-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-161-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-147-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-146-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-145-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-144-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-143-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-142-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-149-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-140-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-139-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-138-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-120-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-136-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-135-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-134-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-133-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-132-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-131-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-130-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-129-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-128-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-127-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-126-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-125-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-124-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-123-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-122-0x0000000077850000-0x00000000779DE000-memory.dmp

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memory/4740-121-0x0000000077850000-0x00000000779DE000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads