neshta | a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
24/11/2024, 02:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
Size

156KB
MD5

05a824fc4c9d3f2c2fba5d4085b6ed46
SHA1

98d2d47cbf250afb31bce6afecc4247027d0937c
SHA256

a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf
SHA512

89eb8d9df3a3c038d6e37d2ab7155d20470acfdf83b89bc1de7a04ad2e0ceb8a581cd987723803ea682b3d74cd8fdb51cd81e8deea489621d9a9a9141f119211
SSDEEP

3072:sr85CdizZG3Y8Vc6iBBcklIcd39kvAh/XEHVc/Dh7+/:k9iAiDlI7vs/XEHVG1u

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010319-10.dat	family_neshta
behavioral1/memory/1988-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1988-85-0x0000000000400000-0x000000000041B000-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	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe

Loads dropped DLL 2 IoCs

pid	Process
1988	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
1988	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.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\" %*"	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.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\MICROS~1\Office14\POWERPNT.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File created	C:\Program Files (x86)\a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\Program Files (x86)\a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.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	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.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\" %*"	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2504	1988	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe	30
PID 1988 wrote to memory of 2504	1988	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe	30
PID 1988 wrote to memory of 2504	1988	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe	30
PID 1988 wrote to memory of 2504	1988	a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe	30

C:\Users\Admin\AppData\Local\Temp\a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
"C:\Users\Admin\AppData\Local\Temp\a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.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:1988
- C:\Users\Admin\AppData\Local\Temp\3582-490\a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:2504

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\a5892898b767761edc398d4770d4a20f601dd476c5b2f742a9104e0ffae53daf.exe

Filesize
115KB

MD5
3060ff7835c6f5c0a44cd54e007534d1

SHA1
58909626ba03330086a31369ee81d60eec61eb8b

SHA256
b9ac8fdb93914bafde149ce2ded8a0232d10cb1d0c3529cc3985bf6a6032ee5c

SHA512
91b3d91c55dd3f89e779a15361a92f6f54db6a93264eba524c5949bcf5040a727fb790530cbc5aa1d0a8664cc543692e2dfb8d127f3de0ef1fc14ae48f0750c7

Download Submit
memory/1988-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1988-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads