neshta | 1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb

Analysis

max time kernel
9s
max time network
11s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 20:48

Sharing

Copy URL

Twitter E-mail

Reason

Machine shutdown

Report Analysis Logs

General

Target

1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
Size

712KB
MD5

3c22238343b2bb216958e2ee22aa99ed
SHA1

5ce5c023f5880a315146596c913f544e5448ac5a
SHA256

1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb
SHA512

0d386de1f5ee85784df20d4baa9716c2d543db2be7e7c0bba88fbcb739e76e6c99ef17cfd47ec554563991fba03feeaa53ddac5f774ff55cfb21641e66f9b47b
SSDEEP

12288:NzgMg7v3qnCivErQohh0F42CJ8lny2QlzM25a8:xHMv6CPrj2ny2QtM2Y8

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/2276-91-0x0000000000400000-0x000000000041B000-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
2504	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe

Loads dropped DLL 2 IoCs

pid	Process
2276	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
2276	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.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\" %*"	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.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\A3DUTI~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.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 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	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.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\" %*"	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2504	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2504	2276	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe	31
PID 2276 wrote to memory of 2504	2276	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe	31
PID 2276 wrote to memory of 2504	2276	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe	31
PID 2276 wrote to memory of 2504	2276	1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe	31

C:\Users\Admin\AppData\Local\Temp\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
"C:\Users\Admin\AppData\Local\Temp\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.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:2276
- C:\Users\Admin\AppData\Local\Temp\3582-490\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2504

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:3068

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2908

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\1a2338737fb27a5a78d278cc41a123fe920050da3c3443827cdfbad8442126eb.exe

Filesize
672KB

MD5
8cd5ff983ede918b6948b4ac8dcf0570

SHA1
a321b18de1e56107cceaf4f2d733c092e0b5c457

SHA256
bd384881f14acb712cbd77cd62ad00b7da2092b8fab3ea4d1280d160c9b5978e

SHA512
eb8f4ee2ec945aece44ffc84203e0229ce20d48ac2e81e4bb7df342fc9de08036f51c2a5b60ca54762dac75e91738fb64909715da0b6dd6b585118337edda64d

Download Submit
memory/2276-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads