neshta | 8ea3f6a4cede772f361080f4e570f66e7ea7c7907258cb3cdb795bf70baa6363

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15/10/2023, 19:41

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General

Target

9bd25f058785c7dff28210f81187c800_exe32.exe
Size

224KB
MD5

9bd25f058785c7dff28210f81187c800
SHA1

ddebdd3ffb544eaaf722866d7dfa7295e39f8f0e
SHA256

8ea3f6a4cede772f361080f4e570f66e7ea7c7907258cb3cdb795bf70baa6363
SHA512

791f9aa5fe0f1ab2243b08cc0a36e4ce6f6148fad383cd3b168691cc8ce1073e0b2bfe845f27e67922b56af0450cccf36d055d65d5818a786cd15a244eaf0426
SSDEEP

3072:sr85CMIkt8pKO9WpheWyutIRkbc5luFbtyAjk6eSqsywT/IiODnw:k9MI7p8henOHQLDnw

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 7 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010322-9.dat	family_neshta
behavioral1/memory/1496-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1496-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1496-84-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1496-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1496-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1496-88-0x0000000000400000-0x000000000041B000-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
2244	9bd25f058785c7dff28210f81187c800_exe32.exe

Loads dropped DLL 2 IoCs

pid	Process
1496	9bd25f058785c7dff28210f81187c800_exe32.exe
1496	9bd25f058785c7dff28210f81187c800_exe32.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\" %*"	9bd25f058785c7dff28210f81187c800_exe32.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\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	9bd25f058785c7dff28210f81187c800_exe32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	9bd25f058785c7dff28210f81187c800_exe32.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\" %*"	9bd25f058785c7dff28210f81187c800_exe32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 2244	1496	9bd25f058785c7dff28210f81187c800_exe32.exe	28
PID 1496 wrote to memory of 2244	1496	9bd25f058785c7dff28210f81187c800_exe32.exe	28
PID 1496 wrote to memory of 2244	1496	9bd25f058785c7dff28210f81187c800_exe32.exe	28
PID 1496 wrote to memory of 2244	1496	9bd25f058785c7dff28210f81187c800_exe32.exe	28

C:\Users\Admin\AppData\Local\Temp\9bd25f058785c7dff28210f81187c800_exe32.exe
"C:\Users\Admin\AppData\Local\Temp\9bd25f058785c7dff28210f81187c800_exe32.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:1496
- C:\Users\Admin\AppData\Local\Temp\3582-490\9bd25f058785c7dff28210f81187c800_exe32.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\9bd25f058785c7dff28210f81187c800_exe32.exe"
  2⤵
  - Executes dropped EXE
  PID:2244

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\9bd25f058785c7dff28210f81187c800_exe32.exe

Filesize
183KB

MD5
a667a802e21e313db91a7b9afce5a9a2

SHA1
0aab3c1802fe8d5ab8ce9f23486105f9efec22be

SHA256
d6d2632b8b61f8235e8752223c39ac108025f5e31fd33d8648235f4175691368

SHA512
51f592b25492e0fd620bd3d0418b7e5173c72a56e77f3211bb54898ecb2d84cdca3fe543c83cdbb275e2e373642296d5777f64adf2188ce8ceb07f5cb525f00b

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\9bd25f058785c7dff28210f81187c800_exe32.exe

Filesize
183KB

MD5
a667a802e21e313db91a7b9afce5a9a2

SHA1
0aab3c1802fe8d5ab8ce9f23486105f9efec22be

SHA256
d6d2632b8b61f8235e8752223c39ac108025f5e31fd33d8648235f4175691368

SHA512
51f592b25492e0fd620bd3d0418b7e5173c72a56e77f3211bb54898ecb2d84cdca3fe543c83cdbb275e2e373642296d5777f64adf2188ce8ceb07f5cb525f00b

Download Submit
memory/1496-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1496-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1496-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1496-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1496-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1496-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads