neshta | 1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/11/2024, 20:09

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General

Target

1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
Size

85KB
MD5

fa1c8e647f1a5e728074779d86c03bd8
SHA1

5e6f31a080bf918e5537a56e582744755caa0434
SHA256

1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234
SHA512

7a4448f50f6c5624c755077e2da6a7246aa47e27c4137699d2eb5a4c0123acda2c1c36f4d8c3a3131eb24e415aa507495eda302b02b2ec0d4f805ccaf8050db8
SSDEEP

1536:JxqjQ+P04wsmJCMvc5TXdldV6OQGS2vhjp5gXUSZJxHxe5pvxJtnq7L:sr85C7Ttl6HB2vNnglJBxejvxG7L

Score

10^/10

neshta aspackv2 discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-15.dat	family_neshta
behavioral1/memory/1064-93-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1064-95-0x0000000000400000-0x000000000041B000-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

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0008000000016c7c-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1692	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe

Loads dropped DLL 3 IoCs

pid	Process
1064	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
1064	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
1064	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.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\" %*"	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.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\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.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	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.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\" %*"	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1692	1064	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe	30
PID 1064 wrote to memory of 1692	1064	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe	30
PID 1064 wrote to memory of 1692	1064	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe	30
PID 1064 wrote to memory of 1692	1064	1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe	30

C:\Users\Admin\AppData\Local\Temp\1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
"C:\Users\Admin\AppData\Local\Temp\1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.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:1064
- C:\Users\Admin\AppData\Local\Temp\3582-490\1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1692

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\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\1b3dd4888a715eecfbf69142085eccc92b5afa3c2015b5f884071e3c33a66234.exe

Filesize
45KB

MD5
04e63b042b4e20c24a5a4455b26afb4e

SHA1
c9818ede523e03d6c2e6c6104a5b0f351a0d3993

SHA256
f478494bff4033ddb885ffff0e0177da412e1c8cd3569ef36defee45e2a5c0d4

SHA512
ccf0c12fddc94cfdd7009bf85a3e5d35c2671d382a66832f1afbed2b71f4f408cacc0bbae8199892892bd6301eaae36bef2b3280b15f2bf3067483646043b9ad

Download Submit
memory/1064-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1064-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1692-20-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads