neshta | d02c7e238675ed340d700e865360567a92cece2754486e033a7957f7f0b33a22

General

Target

rfq.exe
Size

595KB
MD5

1212b3c985046ecb241e195e25a9913b
SHA1

984eb9a8f5cb572774115307d65557e9a6a7f31d
SHA256

d02c7e238675ed340d700e865360567a92cece2754486e033a7957f7f0b33a22
SHA512

e10aecd08a673158e82520deafcaa7e298269c3a0ee123c9ac154b2f85af5946bfbbec5525558a00abee866e72b6710b1ea6a2409c2e2263062276df81da67a3

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/976-72-0x00000000004080E4-mapping.dmp	family_neshta
behavioral1/memory/976-71-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/976-74-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/304-75-0x00000000024F0000-0x000000000313A000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs
persistence

Modify Registry
T1112

Change Default File Association
T1042

Processes:

rfq.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" rfq.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 1 IoCs

Processes:

rfq.exe

pid process

976 rfq.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:

rfq.exe

description pid process target process

PID 1452 set thread context of 976 1452 rfq.exe rfq.exe

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

pid	process
976	rfq.exe

description	pid	process	target process
PID 1452 set thread context of 976	1452	rfq.exe	rfq.exe

Drops file in Program Files directory 64 IoCs

Processes:

rfq.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	rfq.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	rfq.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	rfq.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	rfq.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	rfq.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	rfq.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	rfq.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	rfq.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	rfq.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	rfq.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	rfq.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	rfq.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	rfq.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	rfq.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	rfq.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	rfq.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	rfq.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	rfq.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	rfq.exe

Drops file in Windows directory 1 IoCs

Processes:

rfq.exe

description ioc process

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1440 schtasks.exe
Modifies registry class 1 IoCs

Processes:

rfq.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" rfq.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

rfq.exepowershell.exe

pid process

1452 rfq.exe
1452 rfq.exe
1452 rfq.exe
1452 rfq.exe
1452 rfq.exe
1452 rfq.exe
1452 rfq.exe
304 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rfq.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1452 rfq.exe
Token: SeDebugPrivilege 304 powershell.exe

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

pid	process
1440	schtasks.exe

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

pid	process
1452	rfq.exe
1452	rfq.exe
1452	rfq.exe
1452	rfq.exe
1452	rfq.exe
1452	rfq.exe
1452	rfq.exe
304	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1452	rfq.exe
Token: SeDebugPrivilege	304	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

rfq.exe

description	pid	process	target process
PID 1452 wrote to memory of 304	1452	rfq.exe	powershell.exe
PID 1452 wrote to memory of 304	1452	rfq.exe	powershell.exe
PID 1452 wrote to memory of 304	1452	rfq.exe	powershell.exe
PID 1452 wrote to memory of 304	1452	rfq.exe	powershell.exe
PID 1452 wrote to memory of 1440	1452	rfq.exe	schtasks.exe
PID 1452 wrote to memory of 1440	1452	rfq.exe	schtasks.exe
PID 1452 wrote to memory of 1440	1452	rfq.exe	schtasks.exe
PID 1452 wrote to memory of 1440	1452	rfq.exe	schtasks.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe
PID 1452 wrote to memory of 976	1452	rfq.exe	rfq.exe

C:\Users\Admin\AppData\Local\Temp\rfq.exe
"C:\Users\Admin\AppData\Local\Temp\rfq.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1452

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PvHZQvCKp.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:304

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PvHZQvCKp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7A6D.tmp"
2⤵
- Creates scheduled task(s)
PID:1440

C:\Users\Admin\AppData\Local\Temp\rfq.exe
"C:\Users\Admin\AppData\Local\Temp\rfq.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:976

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Change Default File Association

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7A6D.tmp
MD5
93f8c92890d8438be353354c91353cc6

SHA1
cc534a29459cb8467e0d998618f003ae157ccb94

SHA256
bcf8ba5dd79971009aaa87d432333c1687c22ea087cc1e27e238d10183821bf0

SHA512
18e2a629b83350b47072eaef5cfbbe16b8a2e7c7b67dc047181822a509e9467a2d39af52990691870224f22229f35c8ba533e7f433ffe8b91c27d84cb1ce9e7a

Download Submit
C:\Users\Admin\AppData\Roaming\PVHZQV~1.EXE
MD5
1212b3c985046ecb241e195e25a9913b

SHA1
984eb9a8f5cb572774115307d65557e9a6a7f31d

SHA256
d02c7e238675ed340d700e865360567a92cece2754486e033a7957f7f0b33a22

SHA512
e10aecd08a673158e82520deafcaa7e298269c3a0ee123c9ac154b2f85af5946bfbbec5525558a00abee866e72b6710b1ea6a2409c2e2263062276df81da67a3

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

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
memory/304-75-0x00000000024F0000-0x000000000313A000-memory.dmp

Filesize
12.3MB

Download
memory/304-77-0x00000000024F0000-0x000000000313A000-memory.dmp

Filesize
12.3MB

Download
memory/304-60-0x0000000000000000-mapping.dmp

Download
memory/304-76-0x00000000024F0000-0x000000000313A000-memory.dmp

Filesize
12.3MB

Download
memory/304-62-0x0000000075141000-0x0000000075143000-memory.dmp

Filesize
8KB

Download
memory/976-72-0x00000000004080E4-mapping.dmp

Download
memory/976-64-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/976-66-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/976-67-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/976-68-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/976-69-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/976-70-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/976-65-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/976-71-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/976-74-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1440-61-0x0000000000000000-mapping.dmp

Download
memory/1452-55-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1452-59-0x0000000004950000-0x00000000049C8000-memory.dmp

Filesize
480KB

Download
memory/1452-58-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/1452-57-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads