neshta | b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 02:21

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General

Target

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
Size

341KB
MD5

33034df9a8e355c4d10181d9c86d150c
SHA1

37d9e03acc03faebee60e33f48a84144464f0484
SHA256

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50
SHA512

df3ed6f479b470e7cddb293e37c8b8cb6e0806049f36edc81bbf4d160d8119a8f6eea0f17a101bc3cdbb687b00dafc1346083dd98cfce13f29b85185dfd62a90
SSDEEP

6144:k9MItXiNAQbevh/OgWshW+yyLEQd73L4AvP5hlN0K:GINAQbevh3WshX7b4kAK

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0001000000010319-11.dat	family_neshta
behavioral1/memory/2732-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2732-87-0x0000000000400000-0x000000000041B000-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:

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

pid	Process
2144	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

Loads dropped DLL 2 IoCs

Processes:

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

pid	Process
2732	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
2732	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.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:

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

Drops file in Windows directory 1 IoCs

Processes:

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.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

Processes:

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

Modifies registry class 1 IoCs

Processes:

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

description	pid	Process	procid_target
PID 2732 wrote to memory of 2144	2732	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe	31
PID 2732 wrote to memory of 2144	2732	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe	31
PID 2732 wrote to memory of 2144	2732	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe	31
PID 2732 wrote to memory of 2144	2732	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe	31
PID 2732 wrote to memory of 2144	2732	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe	31
PID 2732 wrote to memory of 2144	2732	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe	31
PID 2732 wrote to memory of 2144	2732	b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe	31

C:\Users\Admin\AppData\Local\Temp\b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
"C:\Users\Admin\AppData\Local\Temp\b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.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:2732
- C:\Users\Admin\AppData\Local\Temp\3582-490\b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe"
  2⤵
  - Executes dropped EXE
  PID:2144

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\b074986d90643899d920d44756404d03b31cafc55a0e9b9538ba45edef66ca50.exe

Filesize
300KB

MD5
ae24d4789ace67f3c532a19ea74f6e6d

SHA1
d141b13457af7f6b04ee3427784f240c2f12684a

SHA256
6b8436e2749fbf2c956c74b183c6dc8a9b5be99b9992b913b8c773cc4d311dd6

SHA512
57b62b9c9bb3a88dd03466ea198512932986fb6392af7494d595806b42a30bb6e942a84e80181836d0d5d1cefb61c3044b40b6c7ec6dcb382e39208744a2422b

Download Submit
memory/2144-12-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2732-6-0x0000000002600000-0x0000000002651000-memory.dmp

Filesize
324KB

Download
memory/2732-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2732-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download