neshta | afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-10-2024 01:16

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General

Target

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
Size

2.0MB
MD5

51cd4081cdf5618542510d4f931e4e00
SHA1

3f78846b79650169069c9f43e94f7d2d9d975775
SHA256

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744e
SHA512

f98307d32f107a73008a603359d237e86a0cbf33619ca5fc9ca77a52058975f8c4e86000d412f0120b5d6d206362b919646154e5f27ca5bd780e1aae0d30c0c6
SSDEEP

24576:wHmCl85nY8YSiVznVU+6eb/56com0G9pw1q9Vu/fvZzY:xZ5Y8RiRkWVufvtY

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/2092-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2092-85-0x0000000000400000-0x000000000041B000-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

Processes:

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

pid	Process
1272	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

Loads dropped DLL 2 IoCs

Processes:

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

pid	Process
2092	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
2092	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.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

Processes:

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

Drops file in Windows directory 1 IoCs

Processes:

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.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

Processes:

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exeafab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

Modifies registry class 1 IoCs

Processes:

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

description	pid	Process	procid_target
PID 2092 wrote to memory of 1272	2092	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe	30
PID 2092 wrote to memory of 1272	2092	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe	30
PID 2092 wrote to memory of 1272	2092	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe	30
PID 2092 wrote to memory of 1272	2092	afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe	30

C:\Users\Admin\AppData\Local\Temp\afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
"C:\Users\Admin\AppData\Local\Temp\afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.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:2092
- C:\Users\Admin\AppData\Local\Temp\3582-490\afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1272

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\afab11bcffee8b6b27fa72ef9b9f153c0114d23dd6de819e3fd1fd3aa981744eN.exe

Filesize
2.0MB

MD5
f35117b98b2b1b73ea8dabda59b7c0b9

SHA1
11e6344a51994df073b799f31f5c9e807f758ebd

SHA256
44a9500cef7bf5b2c57e5a4ed442b1992e2f1c9764aad09be7dd64bb9924a57d

SHA512
11b5e98ae05727b4b5b7621a36fde937b0c784b60e0a3a2cdc826c82b960607a9f8bea72ad51d3dcd806fcfc29a0999910217690fb8ebcd9ec670b4e1c5a607b

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memory/2092-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/2092-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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