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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3196-131-0x00000000004080E4-mapping.dmp	family_neshta
behavioral2/memory/3196-130-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3196-134-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs
persistence

Modify Registry
T1112

Change Default File Association
T1042

Processes:

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
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 2624 set thread context of 3196 2624 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

description	pid	process	target process
PID 2624 set thread context of 3196	2624	rfq.exe	rfq.exe

Drops file in Program Files directory 53 IoCs

Processes:

rfq.exe

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

1120 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 10 IoCs

Processes:

rfq.exepowershell.exe

pid process

2624 rfq.exe
2624 rfq.exe
2624 rfq.exe
2624 rfq.exe
2624 rfq.exe
2624 rfq.exe
2624 rfq.exe
4080 powershell.exe
4080 powershell.exe
4080 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rfq.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2624 rfq.exe
Token: SeDebugPrivilege 4080 powershell.exe

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

pid	process
1120	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
2624	rfq.exe
2624	rfq.exe
2624	rfq.exe
2624	rfq.exe
2624	rfq.exe
2624	rfq.exe
2624	rfq.exe
4080	powershell.exe
4080	powershell.exe
4080	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2624	rfq.exe
Token: SeDebugPrivilege	4080	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

rfq.exe

description	pid	process	target process
PID 2624 wrote to memory of 4080	2624	rfq.exe	powershell.exe
PID 2624 wrote to memory of 4080	2624	rfq.exe	powershell.exe
PID 2624 wrote to memory of 4080	2624	rfq.exe	powershell.exe
PID 2624 wrote to memory of 1120	2624	rfq.exe	schtasks.exe
PID 2624 wrote to memory of 1120	2624	rfq.exe	schtasks.exe
PID 2624 wrote to memory of 1120	2624	rfq.exe	schtasks.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	rfq.exe	rfq.exe
PID 2624 wrote to memory of 3196	2624	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:2624

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:4080

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PvHZQvCKp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB30.tmp"
2⤵
- Creates scheduled task(s)
PID:1120

C:\Users\Admin\AppData\Local\Temp\rfq.exe
"C:\Users\Admin\AppData\Local\Temp\rfq.exe"
2⤵
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
PID:3196

Network

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\tmpAB30.tmp
MD5
775ffa6ba20a4cc6433faff9ab7b0d55

SHA1
42df272a1b5d62c820c8059c05d54541ed7d9419

SHA256
041f853bb2884304c79065588354bdf981000e8a064d43c573979c4f8245392f

SHA512
4661a5ddd1b2f5d8ebc0cb8443e0dcb785858ad547282555a0983def119115dca337d698e5fa3b897218b2649e52520c81cc6790ae0fe39c6268b5aaa3706b12

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

SHA1
984eb9a8f5cb572774115307d65557e9a6a7f31d

SHA256
d02c7e238675ed340d700e865360567a92cece2754486e033a7957f7f0b33a22

SHA512
e10aecd08a673158e82520deafcaa7e298269c3a0ee123c9ac154b2f85af5946bfbbec5525558a00abee866e72b6710b1ea6a2409c2e2263062276df81da67a3

Download Submit
memory/1120-124-0x0000000000000000-mapping.dmp

Download
memory/2624-122-0x0000000006900000-0x0000000006901000-memory.dmp

Filesize
4KB

Download
memory/2624-120-0x00000000060E0000-0x00000000060E1000-memory.dmp

Filesize
4KB

Download
memory/2624-121-0x0000000006380000-0x00000000063F8000-memory.dmp

Filesize
480KB

Download
memory/2624-119-0x0000000005A30000-0x0000000005A36000-memory.dmp

Filesize
24KB

Download
memory/2624-118-0x0000000005A60000-0x0000000005A61000-memory.dmp

Filesize
4KB

Download
memory/2624-117-0x00000000059B0000-0x00000000059B1000-memory.dmp

Filesize
4KB

Download
memory/2624-115-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

Filesize
4KB

Download
memory/3196-134-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3196-130-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3196-131-0x00000000004080E4-mapping.dmp

Download
memory/4080-132-0x00000000073A0000-0x00000000073A1000-memory.dmp

Filesize
4KB

Download
memory/4080-140-0x0000000008700000-0x0000000008701000-memory.dmp

Filesize
4KB

Download
memory/4080-127-0x0000000004B50000-0x0000000004B51000-memory.dmp

Filesize
4KB

Download
memory/4080-126-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/4080-133-0x00000000073A2000-0x00000000073A3000-memory.dmp

Filesize
4KB

Download
memory/4080-125-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/4080-135-0x00000000075E0000-0x00000000075E1000-memory.dmp

Filesize
4KB

Download
memory/4080-136-0x0000000007680000-0x0000000007681000-memory.dmp

Filesize
4KB

Download
memory/4080-137-0x00000000076F0000-0x00000000076F1000-memory.dmp

Filesize
4KB

Download
memory/4080-138-0x0000000008010000-0x0000000008011000-memory.dmp

Filesize
4KB

Download
memory/4080-139-0x00000000078F0000-0x00000000078F1000-memory.dmp

Filesize
4KB

Download
memory/4080-128-0x00000000079E0000-0x00000000079E1000-memory.dmp

Filesize
4KB

Download
memory/4080-141-0x0000000008750000-0x0000000008751000-memory.dmp

Filesize
4KB

Download
memory/4080-142-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/4080-149-0x0000000009450000-0x0000000009483000-memory.dmp

Filesize
204KB

Download
memory/4080-156-0x0000000009410000-0x0000000009411000-memory.dmp

Filesize
4KB

Download
memory/4080-161-0x0000000009580000-0x0000000009581000-memory.dmp

Filesize
4KB

Download
memory/4080-162-0x000000007F850000-0x000000007F851000-memory.dmp

Filesize
4KB

Download
memory/4080-163-0x0000000009950000-0x0000000009951000-memory.dmp

Filesize
4KB

Download
memory/4080-220-0x00000000073A3000-0x00000000073A4000-memory.dmp

Filesize
4KB

Download
memory/4080-123-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads