neshta | f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392

Analysis

max time kernel
50s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 20:10

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General

Target

f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
Size

1.6MB
MD5

6c040a3189d4bdf364a046b5b7b2a087
SHA1

ebefcc8aa9e12cde34d590523e932a342b24cff1
SHA256

f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392
SHA512

f94c367f1d04182b8f656c55783723b8c8ed6459ce2d3696aada22befdd3d4ae0105f4aa5d1fdefbd9ece6147d53ecacd4b3e191c58bd8fa2be072330023fcd1
SSDEEP

49152:g2y9WkzTwQlLQ34X4omdTIWiNVVdowqGKoPd:UjgFdTt2VY4V

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta

Executes dropped EXE 1 IoCs

pid	Process
2040	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe

Loads dropped DLL 3 IoCs

pid	Process
1784	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
1784	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
1784	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2040	1784	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe	28
PID 1784 wrote to memory of 2040	1784	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe	28
PID 1784 wrote to memory of 2040	1784	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe	28
PID 1784 wrote to memory of 2040	1784	f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe	28

C:\Users\Admin\AppData\Local\Temp\f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
"C:\Users\Admin\AppData\Local\Temp\f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe"
1⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Users\Admin\AppData\Local\Temp\3582-490\f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe"
  2⤵
  - Executes dropped EXE
  PID:2040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe

Filesize
1.5MB

MD5
4f9b6fc24f066c03bc29585cbaf36116

SHA1
68d3206126c62b53d7a1953bac261651e10fc635

SHA256
510246e250c5535b5262f6bb38bcf4d116567fea9969c4c10104f638a9add722

SHA512
da0b129d4a0ae59aae811fe8deb8670c33b13e5db715f290f88345d8c480de780018dc13562eca6620c33d93625b75a519bd05963b3f74b2111008bf83d78e1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe

Filesize
1.5MB

MD5
4f9b6fc24f066c03bc29585cbaf36116

SHA1
68d3206126c62b53d7a1953bac261651e10fc635

SHA256
510246e250c5535b5262f6bb38bcf4d116567fea9969c4c10104f638a9add722

SHA512
da0b129d4a0ae59aae811fe8deb8670c33b13e5db715f290f88345d8c480de780018dc13562eca6620c33d93625b75a519bd05963b3f74b2111008bf83d78e1a

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\Local\Temp\3582-490\f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe

Filesize
1.5MB

MD5
4f9b6fc24f066c03bc29585cbaf36116

SHA1
68d3206126c62b53d7a1953bac261651e10fc635

SHA256
510246e250c5535b5262f6bb38bcf4d116567fea9969c4c10104f638a9add722

SHA512
da0b129d4a0ae59aae811fe8deb8670c33b13e5db715f290f88345d8c480de780018dc13562eca6620c33d93625b75a519bd05963b3f74b2111008bf83d78e1a

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\f3dd0247b284a8caa1092fe38a01d8792cbb46911fab9b7dd6e56e10f3e7c392.exe

Filesize
1.5MB

MD5
4f9b6fc24f066c03bc29585cbaf36116

SHA1
68d3206126c62b53d7a1953bac261651e10fc635

SHA256
510246e250c5535b5262f6bb38bcf4d116567fea9969c4c10104f638a9add722

SHA512
da0b129d4a0ae59aae811fe8deb8670c33b13e5db715f290f88345d8c480de780018dc13562eca6620c33d93625b75a519bd05963b3f74b2111008bf83d78e1a

Download Submit
memory/1784-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

Download
memory/1784-60-0x0000000002610000-0x0000000002A36000-memory.dmp

Filesize
4.1MB

Download
memory/2040-61-0x0000000000400000-0x0000000000826000-memory.dmp

Filesize
4.1MB

Download