neshta | 1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-10-2024 20:21

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General

Target

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
Size

405KB
MD5

7a00423c913f4e99dbf4223156a51675
SHA1

61925ce80700fdc6c2ffbab9ac1e9ab57c60c33f
SHA256

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39
SHA512

4438a45864ba841115793b5f18a8b05a3e54f6b4f971c60dc10cebb95fc14b480d27e72fbf4877c37ac3165a733de138796e10d743222494b21310e434bd7110
SSDEEP

6144:k9Am+VNGMTOeVBUP59TKYfql67+ZIMQNnnirNXZXVf2:M+DGMTvBUP5DyI+ZI5nSNps

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0001000000010314-9.dat	family_neshta
behavioral1/memory/2872-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2872-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2872-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2872-90-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2872-92-0x0000000000400000-0x000000000041B000-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
Neshta family
neshta

Executes dropped EXE 1 IoCs

Processes:

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

pid	Process
2856	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

Loads dropped DLL 2 IoCs

Processes:

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

pid	Process
2872	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
2872	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Drops file in Program Files directory 64 IoCs

Processes:

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

Drops file in Windows directory 1 IoCs

Processes:

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

Modifies registry class 1 IoCs

Processes:

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

description	pid	Process	procid_target
PID 2872 wrote to memory of 2856	2872	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe	30
PID 2872 wrote to memory of 2856	2872	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe	30
PID 2872 wrote to memory of 2856	2872	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe	30
PID 2872 wrote to memory of 2856	2872	1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe	30

C:\Users\Admin\AppData\Local\Temp\1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
"C:\Users\Admin\AppData\Local\Temp\1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\3582-490\1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe"
  2⤵
  - Executes dropped EXE
  PID:2856

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

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\1a02a03b4a270f7f906c17d7bc0708118c4dac03415d3d69288f66567f3baa39.exe

Filesize
364KB

MD5
b0165586f51fed10d1dd47852f03a719

SHA1
1acd508686843ec99e3abc18ea17db83ef9a7ea3

SHA256
f78f19fd098bf51915f3ad72322dc13dbe32570024c2e915dff3589efef732f1

SHA512
da04f2b6595e48143cb8a8fbd970a21b92b849289720af38527ebe0792c8ea82a0998ae3a8fe2cd3b01dadfd5b340fac0ec432e01c90c973f3380909e4a90841

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memory/2856-11-0x000007FEF5A53000-0x000007FEF5A54000-memory.dmp

Filesize
4KB

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memory/2856-12-0x00000000002F0000-0x000000000034E000-memory.dmp

Filesize
376KB

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memory/2856-13-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

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memory/2856-14-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp

Filesize
9.9MB

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memory/2872-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/2872-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/2872-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/2872-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/2872-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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