neshta | 25cee8b16fcb5a0213ca91a560254e6358fea4dbaab4d5c8b0f1a03a96141076

General

Target

Notification-Â 705643291.exe
Size

17KB
MD5

2e24157b68f94fef3119baadb3617a92
SHA1

e23dffba35aa387d09d1521e4f0911e97a8282b2
SHA256

25cee8b16fcb5a0213ca91a560254e6358fea4dbaab4d5c8b0f1a03a96141076
SHA512

8d30e04690400af37e6911f0257a6f942254bf4ca10a06dde5954412b94ab7efcd017ce4b7aa8531d63832e762a4780a0e442782e955dfc7ad33e8961e476259

Score

10^/10

neshta persistence spyware

Malware Config

Signatures

Detect Neshta payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1516-71-0x00000000004080E4-mapping.dmp	family_neshta
behavioral1/memory/1516-70-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1516-74-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1516-72-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1516-76-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1516-77-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1516-78-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

InstallUtil.exe

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

InstallUtil.exe

pid process

1516 InstallUtil.exe

pid	process
1516	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Notification-Â 705643291.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\Exjfj = "\"C:\\Users\\Admin\\AppData\\Roaming\\Sdfwbjjt\\Exjfj.exe\""	Notification-Â 705643291.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Notification-Â 705643291.exe

description pid process target process

PID 772 set thread context of 1516 772 Notification-Â 705643291.exe InstallUtil.exe

description	pid	process	target process
PID 772 set thread context of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe

Drops file in Program Files directory 64 IoCs

Processes:

InstallUtil.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	InstallUtil.exe

Drops file in Windows directory 1 IoCs

Processes:

InstallUtil.exe

description ioc process

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

Modifies registry class 1 IoCs

Processes:

InstallUtil.exe

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeNotification-Â 705643291.exe

pid process

1972 powershell.exe
772 Notification-Â 705643291.exe
772 Notification-Â 705643291.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Notification-Â 705643291.exepowershell.exe

description pid process

Token: SeDebugPrivilege 772 Notification-Â 705643291.exe
Token: SeDebugPrivilege 1972 powershell.exe

pid	process
1972	powershell.exe
772	Notification-Â 705643291.exe
772	Notification-Â 705643291.exe

description	pid	process
Token: SeDebugPrivilege	772	Notification-Â 705643291.exe
Token: SeDebugPrivilege	1972	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Notification-Â 705643291.exe

description	pid	process	target process
PID 772 wrote to memory of 1972	772	Notification-Â 705643291.exe	powershell.exe
PID 772 wrote to memory of 1972	772	Notification-Â 705643291.exe	powershell.exe
PID 772 wrote to memory of 1972	772	Notification-Â 705643291.exe	powershell.exe
PID 772 wrote to memory of 1972	772	Notification-Â 705643291.exe	powershell.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe
PID 772 wrote to memory of 1516	772	Notification-Â 705643291.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Notification-Â 705643291.exe
"C:\Users\Admin\AppData\Local\Temp\Notification-Â 705643291.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:772
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANwA=
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1972
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:1516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
memory/772-54-0x0000000000AA0000-0x0000000000AAA000-memory.dmp

Filesize
40KB

Download
memory/772-55-0x0000000075481000-0x0000000075483000-memory.dmp

Filesize
8KB

Download
memory/772-56-0x000000000D450000-0x000000000D618000-memory.dmp

Filesize
1.8MB

Download
memory/1516-74-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-71-0x00000000004080E4-mapping.dmp

Download
memory/1516-61-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-62-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-64-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-65-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-66-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-67-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-68-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-78-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-70-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-77-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-72-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-76-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1972-57-0x0000000000000000-mapping.dmp

Download
memory/1972-59-0x000000006F4A0000-0x000000006FA4B000-memory.dmp

Filesize
5.7MB

Download
memory/1972-60-0x000000006F4A0000-0x000000006FA4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads