neshta | 888101d59c219dc57cf3bec1dec7f3880bfb2e6d966da604eb2485741d72f889

General

Target

SOA.exe
Size

1.9MB
MD5

081ccbaad04fe1298a6cd6b04c63fd14
SHA1

87a31f4f90543f69f37fdcf7d0a4d8d5ca99de08
SHA256

888101d59c219dc57cf3bec1dec7f3880bfb2e6d966da604eb2485741d72f889
SHA512

e66b75dd580a3c60b418477e5e960b3893b12882981d4df71515262e0ea5c3062230d9d597c0b866c241a670961d124b5fa5f9052e20514b22642bcb9a7688b3

Score

10^/10

neshta persistence spyware

Malware Config

Signatures

Detect Neshta payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1152-71-0x00000000004080E4-mapping.dmp	family_neshta
behavioral1/memory/1152-70-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1152-72-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1152-74-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1152-75-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1152-79-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1152-80-0x0000000000400000-0x000000000041B000-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 2 IoCs

Processes:

InstallUtil.exe

pid process

1152 InstallUtil.exe
1152 InstallUtil.exe

pid	process
1152	InstallUtil.exe
1152	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SOA.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA.exe

description pid process target process

PID 1028 set thread context of 1152 1028 SOA.exe InstallUtil.exe

description	pid	process	target process
PID 1028 set thread context of 1152	1028	SOA.exe	InstallUtil.exe

Drops file in Program Files directory 64 IoCs

Processes:

InstallUtil.exe

description	ioc	process
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\OFFICE14\LICLUA.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.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\ADOBEA~1\Versions\1.0\ADOBEA~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\OFFICE14\Oarpmany.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\Google\Update\1336~1.71\GO664E~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.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\WMPDMC.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\SETUPF~1\{AC76B~1\Setup.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\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.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~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.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\MSOSYNC.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\Google\Update\1336~1.71\GOOGLE~1.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\misc.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~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\INTERN~1\ieinstal.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.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\Google\Update\DISABL~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.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\MICROS~1\Office14\MSTORDB.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.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\VPREVIEW.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\{61087~1\VCREDI~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.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\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.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~2\COMMON~1\MICROS~1\SOURCE~1\OSE.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\POWERPNT.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	InstallUtil.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.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\OIS.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	InstallUtil.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.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.exeSOA.exe

pid process

1304 powershell.exe
1028 SOA.exe
1028 SOA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1028 SOA.exe
Token: SeDebugPrivilege 1304 powershell.exe

pid	process
1304	powershell.exe
1028	SOA.exe
1028	SOA.exe

description	pid	process
Token: SeDebugPrivilege	1028	SOA.exe
Token: SeDebugPrivilege	1304	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

SOA.exe

description	pid	process	target process
PID 1028 wrote to memory of 1304	1028	SOA.exe	powershell.exe
PID 1028 wrote to memory of 1304	1028	SOA.exe	powershell.exe
PID 1028 wrote to memory of 1304	1028	SOA.exe	powershell.exe
PID 1028 wrote to memory of 1304	1028	SOA.exe	powershell.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe
PID 1028 wrote to memory of 1152	1028	SOA.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANgA=
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1304

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:1152

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

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Downloads

C:\Users\Admin\AppData\Roaming\ZIFIEQ~1\Rdxymb.exe
Filesize
1.9MB

MD5
081ccbaad04fe1298a6cd6b04c63fd14

SHA1
87a31f4f90543f69f37fdcf7d0a4d8d5ca99de08

SHA256
888101d59c219dc57cf3bec1dec7f3880bfb2e6d966da604eb2485741d72f889

SHA512
e66b75dd580a3c60b418477e5e960b3893b12882981d4df71515262e0ea5c3062230d9d597c0b866c241a670961d124b5fa5f9052e20514b22642bcb9a7688b3

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Users\Admin\AppData\Roaming\ZIFIEQ~1\Rdxymb.exe
Filesize
1.9MB

MD5
081ccbaad04fe1298a6cd6b04c63fd14

SHA1
87a31f4f90543f69f37fdcf7d0a4d8d5ca99de08

SHA256
888101d59c219dc57cf3bec1dec7f3880bfb2e6d966da604eb2485741d72f889

SHA512
e66b75dd580a3c60b418477e5e960b3893b12882981d4df71515262e0ea5c3062230d9d597c0b866c241a670961d124b5fa5f9052e20514b22642bcb9a7688b3

Download Submit
memory/1028-54-0x0000000000C30000-0x0000000000E1E000-memory.dmp

Filesize
1.9MB

Download
memory/1028-55-0x0000000004B50000-0x0000000004D3A000-memory.dmp

Filesize
1.9MB

Download
memory/1028-56-0x0000000075DC1000-0x0000000075DC3000-memory.dmp

Filesize
8KB

Download
memory/1152-72-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-62-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-68-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-67-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-65-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-64-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-61-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-71-0x00000000004080E4-mapping.dmp

Download
memory/1152-70-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-66-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-74-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-75-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-80-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1152-79-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1304-57-0x0000000000000000-mapping.dmp

Download
memory/1304-59-0x000000006F630000-0x000000006FBDB000-memory.dmp

Filesize
5.7MB

Download
memory/1304-60-0x000000006F630000-0x000000006FBDB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads