neshta | a1ac7e8549374b66ee31c8ce943790219ab8e70559f7cff6bcb00e658e0f56ec

General

Target

PO#6018634905996.exe
Size

627KB
MD5

9cdeb7a57e0b78f5a7b7d79e557d3dfe
SHA1

07eb1aea9e88b5edb608bc2fe66da0fc9199f3bd
SHA256

a1ac7e8549374b66ee31c8ce943790219ab8e70559f7cff6bcb00e658e0f56ec
SHA512

c7bce9f8e98f34b26bfcf6c61b38a99d3b160a8cdfb3502b6468bfc634298ea370b329918bd75ed6aeafbba339e207d1ffbe8d1f4cc94d15e3348764f35e7de1

Score

10^/10

neshta evasion persistence spyware stealer

Malware Config

Signatures

Detect Neshta Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1156-126-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1156-127-0x00000000004080E4-mapping.dmp	family_neshta
behavioral2/memory/1156-128-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

PO#6018634905996.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	PO#6018634905996.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PO#6018634905996.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	PO#6018634905996.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	PO#6018634905996.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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

PO#6018634905996.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	PO#6018634905996.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	PO#6018634905996.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#6018634905996.exe

description pid process target process

PID 3220 set thread context of 1156 3220 PO#6018634905996.exe PO#6018634905996.exe

description	pid	process	target process
PID 3220 set thread context of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe

Drops file in Program Files directory 53 IoCs

Processes:

PO#6018634905996.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\WinMail.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	PO#6018634905996.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ACCESS~1\wordpad.exe	PO#6018634905996.exe

Drops file in Windows directory 1 IoCs

Processes:

PO#6018634905996.exe

description ioc process

File opened for modification C:\Windows\svchost.com PO#6018634905996.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	PO#6018634905996.exe

Modifies registry class 1 IoCs

Processes:

PO#6018634905996.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	PO#6018634905996.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO#6018634905996.exe

pid process

3220 PO#6018634905996.exe
3220 PO#6018634905996.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO#6018634905996.exe

description pid process

Token: SeDebugPrivilege 3220 PO#6018634905996.exe

pid	process
3220	PO#6018634905996.exe
3220	PO#6018634905996.exe

description	pid	process
Token: SeDebugPrivilege	3220	PO#6018634905996.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

PO#6018634905996.exe

description	pid	process	target process
PID 3220 wrote to memory of 348	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 348	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 348	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe
PID 3220 wrote to memory of 1156	3220	PO#6018634905996.exe	PO#6018634905996.exe

C:\Users\Admin\AppData\Local\Temp\PO#6018634905996.exe
"C:\Users\Admin\AppData\Local\Temp\PO#6018634905996.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3220

C:\Users\Admin\AppData\Local\Temp\PO#6018634905996.exe
"C:\Users\Admin\AppData\Local\Temp\PO#6018634905996.exe"
2⤵
PID:348

C:\Users\Admin\AppData\Local\Temp\PO#6018634905996.exe
"C:\Users\Admin\AppData\Local\Temp\PO#6018634905996.exe"
2⤵
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
PID:1156

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

1

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1156-126-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1156-128-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1156-127-0x00000000004080E4-mapping.dmp

Download
memory/3220-122-0x00000000081F0000-0x00000000081F1000-memory.dmp

Filesize
4KB

Download
memory/3220-120-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

Filesize
4KB

Download
memory/3220-121-0x0000000004D90000-0x0000000004D96000-memory.dmp

Filesize
24KB

Download
memory/3220-115-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3220-123-0x0000000008160000-0x0000000008161000-memory.dmp

Filesize
4KB

Download
memory/3220-124-0x0000000008400000-0x0000000008469000-memory.dmp

Filesize
420KB

Download
memory/3220-125-0x00000000084E0000-0x00000000084E1000-memory.dmp

Filesize
4KB

Download
memory/3220-119-0x00000000048A0000-0x0000000004D9E000-memory.dmp

Filesize
5.0MB

Download
memory/3220-118-0x0000000004940000-0x0000000004941000-memory.dmp

Filesize
4KB

Download
memory/3220-117-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads