neshta | b03edbe5896abb2708213d19fe460a38493f7e8cb0eafb55d2ea33c0d176d3ce

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 21:25

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General

Target

04e6ed1c1693ada763892a5174843a40N.exe
Size

1.2MB
MD5

04e6ed1c1693ada763892a5174843a40
SHA1

19db357d693d52f0aaf54f88ef36bf8e78e0d3bd
SHA256

b03edbe5896abb2708213d19fe460a38493f7e8cb0eafb55d2ea33c0d176d3ce
SHA512

fabb826e12efaa159248df5e38c20b4f32b7371758e18fcaa7bb38c5afe7dff91932c5dd0819183f5aa9374d37eec206905ea0440f8feacaac0f07c3098e8861
SSDEEP

12288:f46X/r3k5JVYe1qIE/s8/YYQZim2UoNoYqhfVf78aLWchH:f46X/I3Vt1qjYpZ9oNgj5bhH

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010319-9.dat	family_neshta
behavioral1/memory/848-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/848-84-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
2432	04e6ed1c1693ada763892a5174843a40N.exe

Loads dropped DLL 2 IoCs

pid	Process
848	04e6ed1c1693ada763892a5174843a40N.exe
848	04e6ed1c1693ada763892a5174843a40N.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\" %*"	04e6ed1c1693ada763892a5174843a40N.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\ACROBR~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	04e6ed1c1693ada763892a5174843a40N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	04e6ed1c1693ada763892a5174843a40N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	04e6ed1c1693ada763892a5174843a40N.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	04e6ed1c1693ada763892a5174843a40N.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\" %*"	04e6ed1c1693ada763892a5174843a40N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2432	848	04e6ed1c1693ada763892a5174843a40N.exe	28
PID 848 wrote to memory of 2432	848	04e6ed1c1693ada763892a5174843a40N.exe	28
PID 848 wrote to memory of 2432	848	04e6ed1c1693ada763892a5174843a40N.exe	28
PID 848 wrote to memory of 2432	848	04e6ed1c1693ada763892a5174843a40N.exe	28

C:\Users\Admin\AppData\Local\Temp\04e6ed1c1693ada763892a5174843a40N.exe
"C:\Users\Admin\AppData\Local\Temp\04e6ed1c1693ada763892a5174843a40N.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:848
- C:\Users\Admin\AppData\Local\Temp\3582-490\04e6ed1c1693ada763892a5174843a40N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\04e6ed1c1693ada763892a5174843a40N.exe"
  2⤵
  - Executes dropped EXE
  PID:2432

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\dwtrig20.exe

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\04e6ed1c1693ada763892a5174843a40N.exe

Filesize
1.2MB

MD5
1c86e9aec82835d3d2d437cb7d218865

SHA1
09e208206eab9d24919959d979d0525cff2dc34e

SHA256
f8f4a0b8a64de10da2b7c320782e14b06e661f280cdce151d61e8782810c1165

SHA512
2e3ffb354a42072cd8a13dd216e169d2bb1646d003fcbf76a63a4678b928c51348ff1b9da572f176ad597ad1d17a7c65c3aa1f22e7e285f66327ebc79b81d59e

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
memory/848-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/848-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads