neshta | 05e3af4fd7d70b843680c4b5b6fe251407a84b0dbea17ec04834f77cdd6dd241

Analysis

max time kernel
117s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07-01-2024 02:55

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General

Target

cc356545c3804c811c007ed5235d2aca.exe
Size

139KB
MD5

cc356545c3804c811c007ed5235d2aca
SHA1

68239396dd04d70324e34709725a7fc8cf3af42b
SHA256

05e3af4fd7d70b843680c4b5b6fe251407a84b0dbea17ec04834f77cdd6dd241
SHA512

3829e0e218b75e5fbabc5bd30fdc7fcdc36bd534379963be0fd68e00a5cb311679b0967c788a08594ba004325d71afc5f12af4320c8cf1276cd68dc1f1e85d50
SSDEEP

1536:9xqjQ+P04wsmJCamVpgM+Wf3VkPVfT48Jnit4dXJlViN1U3/edr7QvQt3WpOck/t:wr85CaRMJ/cPiq5bVin8/edz+92mhTY

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 12 IoCs

resource	yara_rule
behavioral1/memory/1992-0-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/files/0x000100000001031e-13.dat	family_neshta
behavioral1/memory/1992-95-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/1992-97-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/1992-96-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/1992-99-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/1992-100-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/1992-101-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/1992-102-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/1992-103-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/1992-104-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/1992-106-0x0000000000400000-0x000000000042B000-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
2488	cc356545c3804c811c007ed5235d2aca.exe

Loads dropped DLL 2 IoCs

pid	Process
1992	cc356545c3804c811c007ed5235d2aca.exe
1992	cc356545c3804c811c007ed5235d2aca.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\" %*"	cc356545c3804c811c007ed5235d2aca.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\AcroRd32.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	cc356545c3804c811c007ed5235d2aca.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	cc356545c3804c811c007ed5235d2aca.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	cc356545c3804c811c007ed5235d2aca.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Main	cc356545c3804c811c007ed5235d2aca.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\" %*"	cc356545c3804c811c007ed5235d2aca.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2488	cc356545c3804c811c007ed5235d2aca.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2488	cc356545c3804c811c007ed5235d2aca.exe
2488	cc356545c3804c811c007ed5235d2aca.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2488	1992	cc356545c3804c811c007ed5235d2aca.exe	28
PID 1992 wrote to memory of 2488	1992	cc356545c3804c811c007ed5235d2aca.exe	28
PID 1992 wrote to memory of 2488	1992	cc356545c3804c811c007ed5235d2aca.exe	28
PID 1992 wrote to memory of 2488	1992	cc356545c3804c811c007ed5235d2aca.exe	28
PID 1992 wrote to memory of 2488	1992	cc356545c3804c811c007ed5235d2aca.exe	28
PID 1992 wrote to memory of 2488	1992	cc356545c3804c811c007ed5235d2aca.exe	28
PID 1992 wrote to memory of 2488	1992	cc356545c3804c811c007ed5235d2aca.exe	28

C:\Users\Admin\AppData\Local\Temp\cc356545c3804c811c007ed5235d2aca.exe
"C:\Users\Admin\AppData\Local\Temp\cc356545c3804c811c007ed5235d2aca.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:1992
- C:\Users\Admin\AppData\Local\Temp\3582-490\cc356545c3804c811c007ed5235d2aca.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\cc356545c3804c811c007ed5235d2aca.exe"
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2488

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

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Downloads

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

Filesize
547KB

MD5
e0f2257e0ad4b04429c932673ead4884

SHA1
352fcc1fe1019cd069ab52b409b31bbd0a08ea9a

SHA256
6e11a49479c1d2b35f15901b0700e307712338f343e1c03fcfe715946fab5969

SHA512
d77e790e63b1b2307df2ef0bb774bcbfa5cdc716764050dfa055a23449cffa5c6f61759b0819712f3e3be06037cbc3469082ba2b02af990017f28658f0103763

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\cc356545c3804c811c007ed5235d2aca.exe

Filesize
99KB

MD5
eff25086b1367be1c11a523a37b4a5e1

SHA1
146ba77646254aa1f8847749c9893a7bf40d7a7c

SHA256
0c67baf01b1f2421f39a2a6ae3023cf1add734b60ca9d49de0e62f5711f25273

SHA512
5087f363c3f6dbd0b8c4eda733419c654987836dd40dcc4c8fc297d0edf1a16446ad5dcd520b35f2afbf57deaf60e80b40d28826dd2d6932429181d205a183b0

Download Submit
memory/1992-98-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/1992-3-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/1992-95-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-97-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-96-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-99-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-100-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-101-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-102-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-103-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-104-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1992-106-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads