neshta | 3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 20:42

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General

Target

3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
Size

146KB
MD5

a76a419e89c5f57c694ce9764021ab56
SHA1

74f3b1f9a16eb89668bd4c255019a845f66b5143
SHA256

3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367
SHA512

0d9a45102c4e221c4b0cc8e48972f1126f1184db6ed30baf18da7de6baa7cd57099e77cf740132aa17499179dfd9abbd3aaa9c8bdace610fed04ba66ea97f7b5
SSDEEP

3072:zr8WDrCykbAYn2GgYlBYN2fHYTo+dit8wDSRUTT:PuTbAMpgY3gT08DRUTT

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

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
3040	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe

Loads dropped DLL 2 IoCs

pid	Process
1624	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
1624	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.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\" %*"	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.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\MICROS~1\Office14\VPREVIEW.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.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	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.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\" %*"	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 3040	1624	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe	30
PID 1624 wrote to memory of 3040	1624	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe	30
PID 1624 wrote to memory of 3040	1624	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe	30
PID 1624 wrote to memory of 3040	1624	3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe	30

C:\Users\Admin\AppData\Local\Temp\3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
"C:\Users\Admin\AppData\Local\Temp\3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.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:1624
- C:\Users\Admin\AppData\Local\Temp\3582-490\3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe"
  2⤵
  - Executes dropped EXE
  PID:3040

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

Filesize
859KB

MD5
754309b7b83050a50768236ee966224f

SHA1
10ed7efc2e594417ddeb00a42deb8fd9f804ed53

SHA256
acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

SHA512
e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

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\3405f447175dd3f24e0692d79793e574e0389052262814111bb89cbcd3df4367.exe

Filesize
105KB

MD5
8eca915b72bab2fc5768522d93b446c1

SHA1
4ee0093e5cc006c180a9b2e8ad84b575f61ce680

SHA256
0ac63a367eef82beb4b78b257d821416c5865d64b3898c0fc86f22c6411eb0c9

SHA512
e3a9890d235974f379e7ba107c26e39c86b08d77bc60460f22367152b53f54cb2cd0c83d53df8b831db795932bbcba4e29328dc26e27f9a1085e1e8155f76e76

Download Submit
memory/1624-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1624-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads