neshta | c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 03:30

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General

Target

c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
Size

131KB
MD5

a040c7ee7e4d8ff068ee3ccecd81e951
SHA1

8d599fcd6827360caa5d614088fa48717d49ab30
SHA256

c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474
SHA512

e4990a61a6459d36514b69212deda93660f326dc6bd71be0a4cbf798522a36f4b87a38ea2988965fa8462d7a561a4cf623a9bbe5d67dfee4839d2ee66e5bf94d
SSDEEP

1536:JxqjQ+P04wsmJC5fwzo4rNhmsNdE5jFJq5hhmsNdE5jFJq5:sr85CpwULq5cLq5

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/2848-91-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2848-93-0x0000000000400000-0x000000000041B000-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
2248	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe

Loads dropped DLL 7 IoCs

pid	Process
2848	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
2488	WerFault.exe
2488	WerFault.exe
2488	WerFault.exe
2488	WerFault.exe
2488	WerFault.exe
2848	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.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\" %*"	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.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\Adobe\READER~1.0\Reader\AcroRd32.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2488	2248	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.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\" %*"	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2248	2848	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	30
PID 2848 wrote to memory of 2248	2848	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	30
PID 2848 wrote to memory of 2248	2848	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	30
PID 2848 wrote to memory of 2248	2848	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	30
PID 2848 wrote to memory of 2248	2848	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	30
PID 2848 wrote to memory of 2248	2848	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	30
PID 2848 wrote to memory of 2248	2848	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	30
PID 2248 wrote to memory of 2488	2248	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	32
PID 2248 wrote to memory of 2488	2248	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	32
PID 2248 wrote to memory of 2488	2248	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	32
PID 2248 wrote to memory of 2488	2248	c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe	32

C:\Users\Admin\AppData\Local\Temp\c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
"C:\Users\Admin\AppData\Local\Temp\c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.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:2848
- C:\Users\Admin\AppData\Local\Temp\3582-490\c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 528
    3⤵
    - Loads dropped DLL
    - Program crash
    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

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

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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
\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\c3d8ea23ef16adf49465975930c34b9422314aa40028dab4469d3026292a5474.exe

Filesize
90KB

MD5
640ade098db182191d4a0ec8b9e46770

SHA1
b93a85cd6b9cd06922e0585d9f2c88319f56fe9f

SHA256
ce02d68b703391ac0c73bca35685d08a02e889a0d29b4a09da3e90d39f03c755

SHA512
c54d2885c890c6205d0121346ebbcf7b0e1008b65328af6aa487337c7a40c9d3e0dbfaf5da6ee02ece96b64fcc74a64611ff948f6b64aa174ffcaa1e856a7f4c

Download Submit
memory/2248-12-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/2248-13-0x0000000000830000-0x0000000000840000-memory.dmp

Filesize
64KB

Download
memory/2848-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2848-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads