neshta | 3c72f313318c7663b3d97d0200a4b380915b1b2563bb791d116088c5a09a9969

Analysis

max time kernel
144s
max time network
135s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 06:24

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General

Target

f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
Size

646KB
MD5

f52a6c7d71f695311ea384fd07cc7aa7
SHA1

08876ed5809da511787d816b02b4f9d6e8324a7b
SHA256

3c72f313318c7663b3d97d0200a4b380915b1b2563bb791d116088c5a09a9969
SHA512

8327460c0ee89e09caf5d9e3776ce88a1c3657005b66afc3ba42f0d055dc81f8592c0105cde2c4db35c6604a283dad001686328a2ddfbdc9eb34712bfa508e5d
SSDEEP

12288:AaEqAOAsBfeWjF9dsYmmp6B+7T1uUIipjHGo2O3x11RULCn:PEF6eUnshhjiaOj1RCQ

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 12 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010327-11.dat	family_neshta
behavioral1/memory/1896-50-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-81-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-91-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-93-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-95-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-97-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-99-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-101-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-103-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1896-106-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

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
1464	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe

Loads dropped DLL 2 IoCs

pid	Process
1896	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
1896	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	f52a6c7d71f695311ea384fd07cc7aa7_JC.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
T1552.001

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe

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

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\" %*"	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSystemEnvironmentPrivilege	1464	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 1464	1896	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe	28
PID 1896 wrote to memory of 1464	1896	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe	28
PID 1896 wrote to memory of 1464	1896	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe	28
PID 1896 wrote to memory of 1464	1896	f52a6c7d71f695311ea384fd07cc7aa7_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
"C:\Users\Admin\AppData\Local\Temp\f52a6c7d71f695311ea384fd07cc7aa7_JC.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Users\Admin\AppData\Local\Temp\3582-490\f52a6c7d71f695311ea384fd07cc7aa7_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\f52a6c7d71f695311ea384fd07cc7aa7_JC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\f52a6c7d71f695311ea384fd07cc7aa7_JC.exe

Filesize
605KB

MD5
75826b4972e7d28bd07a5337eb49522e

SHA1
6a546e09d8c2e0a5382491177af317b7a1905e7c

SHA256
a4b53eb9c8b972eeed0a7ab3ac46d3650f64151b8e53ec49f4f8b46eb23f83a8

SHA512
35b6144a7c7c165caf230ccdbe4a374fbcc890f3d5849a1465bda2d13324ddfc71fb7cab91ccb9188508e404d3844953191bc2cfaa12fe6f9a5483edade692a4

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\f52a6c7d71f695311ea384fd07cc7aa7_JC.exe

Filesize
605KB

MD5
75826b4972e7d28bd07a5337eb49522e

SHA1
6a546e09d8c2e0a5382491177af317b7a1905e7c

SHA256
a4b53eb9c8b972eeed0a7ab3ac46d3650f64151b8e53ec49f4f8b46eb23f83a8

SHA512
35b6144a7c7c165caf230ccdbe4a374fbcc890f3d5849a1465bda2d13324ddfc71fb7cab91ccb9188508e404d3844953191bc2cfaa12fe6f9a5483edade692a4

Download Submit
memory/1464-51-0x0000000140000000-0x0000000140179000-memory.dmp

Filesize
1.5MB

Download
memory/1464-7-0x0000000140000000-0x0000000140179000-memory.dmp

Filesize
1.5MB

Download
memory/1896-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-50-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-3-0x0000000002760000-0x00000000028D9000-memory.dmp

Filesize
1.5MB

Download
memory/1896-81-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-49-0x0000000002760000-0x00000000028D9000-memory.dmp

Filesize
1.5MB

Download
memory/1896-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-101-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-103-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1896-106-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads