neshta | 234513dc02d0cd4c655140de663de6ec2d41400b861b97d2e8c447fd3e0e5f0b

General

Target

FRITSCH052021.exe
Size

910KB
MD5

bfa87eb40dde541955947bcfcd074abc
SHA1

3a84ccbe6732100c0ed7ed57885c4d256ad66960
SHA256

f40d44f8bf9784e030121e7540a0680f6a0156f1b1fcbe000adbae0d41322817
SHA512

ae2eea9cae1f8a676d664ce599f0866c61ceb5e0defc180c3088ee39b0e12f63485063f4daadf94db60bcc6f0f82a8896c1b136f6b81e521ab05163b7d8c34ce

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/616-68-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/616-70-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

FRITSCH052021.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	FRITSCH052021.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:

FRITSCH052021.exe

pid process

616 FRITSCH052021.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:

FRITSCH052021.exe

description pid process target process

PID 1168 set thread context of 616 1168 FRITSCH052021.exe FRITSCH052021.exe

pid	process
616	FRITSCH052021.exe

description	pid	process	target process
PID 1168 set thread context of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe

Drops file in Program Files directory 64 IoCs

Processes:

FRITSCH052021.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	FRITSCH052021.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	FRITSCH052021.exe

Drops file in Windows directory 1 IoCs

Processes:

FRITSCH052021.exe

description ioc process

File opened for modification C:\Windows\svchost.com FRITSCH052021.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	FRITSCH052021.exe

Modifies registry class 1 IoCs

Processes:

FRITSCH052021.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	FRITSCH052021.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

FRITSCH052021.exe

pid process

1168 FRITSCH052021.exe
1168 FRITSCH052021.exe
1168 FRITSCH052021.exe
1168 FRITSCH052021.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

FRITSCH052021.exe

description pid process

Token: SeDebugPrivilege 1168 FRITSCH052021.exe

pid	process
1168	FRITSCH052021.exe
1168	FRITSCH052021.exe
1168	FRITSCH052021.exe
1168	FRITSCH052021.exe

description	pid	process
Token: SeDebugPrivilege	1168	FRITSCH052021.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

FRITSCH052021.exe

description	pid	process	target process
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe
PID 1168 wrote to memory of 616	1168	FRITSCH052021.exe	FRITSCH052021.exe

C:\Users\Admin\AppData\Local\Temp\FRITSCH052021.exe
"C:\Users\Admin\AppData\Local\Temp\FRITSCH052021.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168

C:\Users\Admin\AppData\Local\Temp\FRITSCH052021.exe
"C:\Users\Admin\AppData\Local\Temp\FRITSCH052021.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:616

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

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
memory/616-65-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/616-61-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/616-62-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/616-70-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/616-63-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/616-68-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/616-67-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/616-64-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/616-66-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1168-59-0x000000000B370000-0x000000000B3F2000-memory.dmp

Filesize
520KB

Download
memory/1168-58-0x000000007EF40000-0x000000007EFA0000-memory.dmp

Filesize
384KB

Download
memory/1168-53-0x00000000010C0000-0x00000000011AA000-memory.dmp

Filesize
936KB

Download
memory/1168-56-0x0000000004930000-0x0000000004A61000-memory.dmp

Filesize
1.2MB

Download
memory/1168-60-0x0000000004AF0000-0x0000000004B3A000-memory.dmp

Filesize
296KB

Download
memory/1168-55-0x0000000076911000-0x0000000076913000-memory.dmp

Filesize
8KB

Download
memory/1168-57-0x0000000000750000-0x000000000075C000-memory.dmp

Filesize
48KB

Download
memory/1168-54-0x0000000000460000-0x00000000004D6000-memory.dmp

Filesize
472KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads