neshta | ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-11-2024 01:16

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General

Target

ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
Size

917KB
MD5

5ec2ced02690ff68c0c4174a9b28d8b2
SHA1

e9a15473a669b6500571f66335b44f5253149640
SHA256

ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519
SHA512

6f5f63799f1ccfa6145b8bb91436e4158c410ab771afffff923ccd7008c759dbf72bf04333bd8d84d55abeb1c96a9c31b12d25bc2b23d37df34e6fcc9a9393ce
SSDEEP

6144:k9eVALGVrYWg/T0wEB6BHs7IXu7dWvwVxyobH9yCK8EMj7LM6MrVdiGJgIqQrNXb:Y/T4xDbEep7pM5g7UNX5GBWU8/RrSk

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010318-10.dat	family_neshta
behavioral1/memory/2204-92-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2204-94-0x0000000000400000-0x000000000041B000-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

pid	Process
2092	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe

Loads dropped DLL 7 IoCs

pid	Process
2204	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
2204	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
2712	WerFault.exe
2712	WerFault.exe
2712	WerFault.exe
2712	WerFault.exe
2712	WerFault.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\" %*"	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.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

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2092	2204	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe	31
PID 2204 wrote to memory of 2092	2204	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe	31
PID 2204 wrote to memory of 2092	2204	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe	31
PID 2204 wrote to memory of 2092	2204	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe	31
PID 2092 wrote to memory of 2712	2092	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe	32
PID 2092 wrote to memory of 2712	2092	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe	32
PID 2092 wrote to memory of 2712	2092	ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe	32

C:\Users\Admin\AppData\Local\Temp\ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
"C:\Users\Admin\AppData\Local\Temp\ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.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:2204
- C:\Users\Admin\AppData\Local\Temp\3582-490\ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2092 -s 644
    3⤵
    - Loads dropped DLL
    PID:2712

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\ad41f829363bf65015a4826582d410b861a5f9525e8b7e0c1db1a43651130519.exe

Filesize
876KB

MD5
8b1206f88226f88497e505c718bc0660

SHA1
a4d4129036776f6d45a85290a01c1510ae21bd59

SHA256
2725953e50c778c4a275eade8a51d1d7c2f8c58f41417484a91c9d77b8d33b01

SHA512
776be843385de9f7824c98bcd6df67ebc58e203fa70cc21cd585e878b33cbf1aee301e2bd718ffdae487aa99127eea17e398b6f62809373d4960438c3fcf2362

Download Submit
memory/2092-20-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

Filesize
9.9MB

Download
memory/2092-12-0x0000000000D50000-0x0000000000E2E000-memory.dmp

Filesize
888KB

Download
memory/2092-11-0x000007FEF5A23000-0x000007FEF5A24000-memory.dmp

Filesize
4KB

Download
memory/2092-91-0x000007FEF5A20000-0x000007FEF640C000-memory.dmp

Filesize
9.9MB

Download
memory/2204-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2204-94-0x0000000000400000-0x000000000041B000-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