neshta | 5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 23:10

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General

Target

5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
Size

291KB
MD5

4087a688582252c10e34e2ffc03a0521
SHA1

70503d105113f5c56032fdcdbbe76aa6ccc767b3
SHA256

5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131
SHA512

cdc5864bdf82ec1d99867d45968d05db5c517fbc7517ba73ae9c08fe24a6b26d95473cde8d385b70f588297c0c9ab904fcef0f56224260b5d1ebc65940648bf7
SSDEEP

6144:PuWY247EHdKrf52a3g4f3mBVHoJ/+ZWrR6:o24cKtN3B8HoJ/dV6

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

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
2904	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe

Loads dropped DLL 7 IoCs

pid	Process
1800	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
2424	WerFault.exe
2424	WerFault.exe
2424	WerFault.exe
2424	WerFault.exe
2424	WerFault.exe
1800	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.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\" %*"	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.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~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.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	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.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\" %*"	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2904	1800	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe	30
PID 1800 wrote to memory of 2904	1800	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe	30
PID 1800 wrote to memory of 2904	1800	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe	30
PID 1800 wrote to memory of 2904	1800	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe	30
PID 2904 wrote to memory of 2424	2904	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe	32
PID 2904 wrote to memory of 2424	2904	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe	32
PID 2904 wrote to memory of 2424	2904	5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe	32

C:\Users\Admin\AppData\Local\Temp\5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
"C:\Users\Admin\AppData\Local\Temp\5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.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:1800
- C:\Users\Admin\AppData\Local\Temp\3582-490\5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2904 -s 508
    3⤵
    - Loads dropped DLL
    PID:2424

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

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

Filesize
859KB

MD5
754309b7b83050a50768236ee966224f

SHA1
10ed7efc2e594417ddeb00a42deb8fd9f804ed53

SHA256
acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

SHA512
e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

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\5a551e87279c04c045313137ecafa5378fc955009665958a4861497b9742f131.exe

Filesize
251KB

MD5
a0155ad8d10624dd23018c2c6f882689

SHA1
deb85f5d92a2611a1970f2b53b41bb9207f2e41f

SHA256
005a5222fd73f943bdb4a0071306d9aac40b49b6a7ff4e74ead1259e6eef4df0

SHA512
eb7f95b09209dc300e2ccab218be38329cea67ad6d3c4c9f4679b9e78a3d66e37968b202b60eb6338f8b8cb9388f1df821f0d0a8b62cdede1c6e424dca0282a2

Download Submit
memory/1800-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1800-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2904-12-0x000007FEF51E3000-0x000007FEF51E4000-memory.dmp

Filesize
4KB

Download
memory/2904-13-0x000000013F680000-0x000000013F6C1000-memory.dmp

Filesize
260KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads