neshta | 12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17b

Analysis

max time kernel
16s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/10/2024, 22:41

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General

Target

12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
Size

205KB
MD5

5b3a6ea887edc8cc2246701324fd4bd0
SHA1

2884dbee9759f77a16bab22e4fbfba4dbbbd6b52
SHA256

12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17b
SHA512

381ac68d0d76c00f8c2a45336fa37ccd0550667fb913aec97671b964d204d7d728cddc471484ead7a94c7914a509f5ed5621c34af97edf2b01e33904632d2f58
SSDEEP

6144:k9Ozsb5Uh28+V1WW69B9VjMdxPedN9ug0z9TB9SI9HMMrbxwnR:ZzE5elwLz9Trf97r2nR

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010318-9.dat	family_neshta
behavioral1/memory/2520-84-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2520-86-0x0000000000400000-0x000000000041B000-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
2328	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe

Loads dropped DLL 2 IoCs

pid	Process
2520	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
2520	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.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\" %*"	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.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\MSQRY32.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.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	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.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\" %*"	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2328	2520	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe	30
PID 2520 wrote to memory of 2328	2520	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe	30
PID 2520 wrote to memory of 2328	2520	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe	30
PID 2520 wrote to memory of 2328	2520	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe	30
PID 2328 wrote to memory of 2032	2328	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe	32
PID 2328 wrote to memory of 2032	2328	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe	32
PID 2328 wrote to memory of 2032	2328	12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe	32

C:\Users\Admin\AppData\Local\Temp\12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
"C:\Users\Admin\AppData\Local\Temp\12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.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:2520
- C:\Users\Admin\AppData\Local\Temp\3582-490\12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd" /c "C:\Users\Admin\AppData\Local\Temp\A89E.tmp\A89F.tmp\A8A0.bat C:\Users\Admin\AppData\Local\Temp\3582-490\12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe"
    3⤵
    PID:2032

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
C:\Users\Admin\AppData\Local\Temp\A89E.tmp\A89F.tmp\A8A0.bat

Filesize
840B

MD5
705bfe6736d1bd0d6c217d25856b0c56

SHA1
5cfc0c07d8922fc06523b76b35c1715d58873d73

SHA256
33d63ee21ed5a74d08e4214bd629998916a7bd2a2a9527e7ee65ea6201447b9e

SHA512
5772cd4ec947cfa76043f3f3e869f405d1af237e3634bb051834f376f39b839546f5e30d82d3d49db80f0a1171afda30f4ad3e9208bbbd81b775d0cddcb0a2c2

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\12b8163e06c8fdd014f2f72bb041224dc15799c5fb19307d7995cf60bf41f17bN.exe

Filesize
165KB

MD5
801c5298973ec97fb0d0da4b3a196a68

SHA1
67d09e45d279f74ae768a80b8e60a97d9a262045

SHA256
a9b0dbd541e14c29f4a9c50fad04a8613c0e46a62606eeea7180739ac3fe7405

SHA512
0e5f3b3da797229b2a6efec63bdd50f86413c91f84d977e88a575d17c7ad9fa71880e5bdb6c7761ba217e7b7b1a93130cfb505558f1842985b80929791f24674

Download Submit
memory/2520-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2520-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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