neshta | 70707206bfdc0b86a9494f7780c55829e993a93a7d65d0279bc9c73b97ffc005

General

Target

bf4ca3ef810bbc866015723e09cdfb7b.exe
Size

476KB
MD5

bf4ca3ef810bbc866015723e09cdfb7b
SHA1

b1ef1b47cb790ee88866d31bb09929a516e36caf
SHA256

70707206bfdc0b86a9494f7780c55829e993a93a7d65d0279bc9c73b97ffc005
SHA512

1fdac4d5fc922265871ac741fb3241e28307e6c52297e515e8e5aaeb85c9fb2c88183a3a0f080c4ae9e53e1553064d9308a74b5888b8c42f813e395c09aa45b8

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/304-68-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/304-69-0x00000000004080E4-mapping.dmp	family_neshta
behavioral1/memory/304-71-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

bf4ca3ef810bbc866015723e09cdfb7b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	bf4ca3ef810bbc866015723e09cdfb7b.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Loads dropped DLL 3 IoCs

Processes:

bf4ca3ef810bbc866015723e09cdfb7b.exe

pid process

304 bf4ca3ef810bbc866015723e09cdfb7b.exe
304 bf4ca3ef810bbc866015723e09cdfb7b.exe
304 bf4ca3ef810bbc866015723e09cdfb7b.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:

bf4ca3ef810bbc866015723e09cdfb7b.exe

description pid process target process

PID 1044 set thread context of 304 1044 bf4ca3ef810bbc866015723e09cdfb7b.exe bf4ca3ef810bbc866015723e09cdfb7b.exe

pid	process
304	bf4ca3ef810bbc866015723e09cdfb7b.exe
304	bf4ca3ef810bbc866015723e09cdfb7b.exe
304	bf4ca3ef810bbc866015723e09cdfb7b.exe

description	pid	process	target process
PID 1044 set thread context of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe

Drops file in Program Files directory 64 IoCs

Processes:

bf4ca3ef810bbc866015723e09cdfb7b.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~4.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOF5E2~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Google\Temp\GUME011.tmp\GOFB2B~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~3.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOBD5D~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	bf4ca3ef810bbc866015723e09cdfb7b.exe

Drops file in Windows directory 1 IoCs

Processes:

bf4ca3ef810bbc866015723e09cdfb7b.exe

description ioc process

File opened for modification C:\Windows\svchost.com bf4ca3ef810bbc866015723e09cdfb7b.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	bf4ca3ef810bbc866015723e09cdfb7b.exe

Modifies registry class 1 IoCs

Processes:

bf4ca3ef810bbc866015723e09cdfb7b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	bf4ca3ef810bbc866015723e09cdfb7b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bf4ca3ef810bbc866015723e09cdfb7b.exe

pid process

1044 bf4ca3ef810bbc866015723e09cdfb7b.exe
1044 bf4ca3ef810bbc866015723e09cdfb7b.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bf4ca3ef810bbc866015723e09cdfb7b.exe

description pid process

Token: SeDebugPrivilege 1044 bf4ca3ef810bbc866015723e09cdfb7b.exe

pid	process
1044	bf4ca3ef810bbc866015723e09cdfb7b.exe
1044	bf4ca3ef810bbc866015723e09cdfb7b.exe

description	pid	process
Token: SeDebugPrivilege	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

bf4ca3ef810bbc866015723e09cdfb7b.exe

description	pid	process	target process
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe
PID 1044 wrote to memory of 304	1044	bf4ca3ef810bbc866015723e09cdfb7b.exe	bf4ca3ef810bbc866015723e09cdfb7b.exe

C:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exe
"C:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044

C:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exe
C:\Users\Admin\AppData\Local\Temp\bf4ca3ef810bbc866015723e09cdfb7b.exe
2⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
PID:304

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

\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\PROGRA~2\Google\Temp\GUME011.tmp\GOFB2B~1.EXE
MD5
583ff3367e050c4d62bc03516473b40a

SHA1
6aa1d26352b78310e711884829c35a69ed1bf0f9

SHA256
6b63f8dd47d8b3baa71b6cd205d428861b96bf09cf479071e75ddd23f97c0146

SHA512
e9bdd5cc2e29db48cc524488fbadb08e808f17f6e18fa595cfebae229c94f2547079e52a2ada214169577b89b2ffbef424729cd90acdea3774f5c76aec192be0

Download Submit
\PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE
MD5
583ff3367e050c4d62bc03516473b40a

SHA1
6aa1d26352b78310e711884829c35a69ed1bf0f9

SHA256
6b63f8dd47d8b3baa71b6cd205d428861b96bf09cf479071e75ddd23f97c0146

SHA512
e9bdd5cc2e29db48cc524488fbadb08e808f17f6e18fa595cfebae229c94f2547079e52a2ada214169577b89b2ffbef424729cd90acdea3774f5c76aec192be0

Download Submit
memory/304-68-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/304-69-0x00000000004080E4-mapping.dmp

Download
memory/304-70-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/304-71-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1044-59-0x00000000010B0000-0x00000000010B1000-memory.dmp

Filesize
4KB

Download
memory/1044-61-0x0000000004B90000-0x0000000004B91000-memory.dmp

Filesize
4KB

Download
memory/1044-62-0x0000000004BD0000-0x0000000004C31000-memory.dmp

Filesize
388KB

Download
memory/1044-67-0x0000000005C20000-0x0000000005C82000-memory.dmp

Filesize
392KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads