neshta | 1dc4ecb493c5e6319426306929fe0e667c7c5de0326ef29893c7cbb54ee3a370

Analysis

max time kernel
122s
max time network
139s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-12-2024 18:05

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General

Target

Method/Method/Tool/SAS/SwissArmySuite.exe
Size

8.2MB
MD5

9b4eaa20d65e945faf09a32e8749b565
SHA1

477df82f9f38d74b5c48a1ff4783b138fd8271d1
SHA256

8fe62d8f4512ee5a8c959aa5f4cc77e3d71c9259e259431523480462c0e68386
SHA512

831de42440f63d5022f180f58b53399013323249845175dd21c0ba17e2dccb610c8d6e9ab576c5e59f831dadefb676a13786c4519e25ce92abf7f7d10aec40aa
SSDEEP

98304:iHLtt8dlKNOM9+0BRvEpSW821Zb0MvwR0mV93P9max5QOsw:i197LW8gNwR0KtwaYNw

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral11/files/0x0001000000010315-9.dat	family_neshta
behavioral11/memory/2608-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral11/memory/2608-84-0x0000000000400000-0x000000000041B000-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
2304	SwissArmySuite.exe

Loads dropped DLL 2 IoCs

pid	Process
2608	SwissArmySuite.exe
2608	SwissArmySuite.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\" %*"	SwissArmySuite.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\A3DUTI~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	SwissArmySuite.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	SwissArmySuite.exe

Drops file in Windows directory 1 IoCs

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

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 2304	2608	SwissArmySuite.exe	31
PID 2608 wrote to memory of 2304	2608	SwissArmySuite.exe	31
PID 2608 wrote to memory of 2304	2608	SwissArmySuite.exe	31
PID 2608 wrote to memory of 2304	2608	SwissArmySuite.exe	31

C:\Users\Admin\AppData\Local\Temp\Method\Method\Tool\SAS\SwissArmySuite.exe
"C:\Users\Admin\AppData\Local\Temp\Method\Method\Tool\SAS\SwissArmySuite.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:2608
- C:\Users\Admin\AppData\Local\Temp\3582-490\SwissArmySuite.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\SwissArmySuite.exe"
  2⤵
  - Executes dropped EXE
  PID:2304

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

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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\SwissArmySuite.exe

Filesize
8.1MB

MD5
8ce7f4eb149ecc2e868a7c7bd5ee2282

SHA1
6b6d877f0b0fcd1ace72f9f6069145a4d921f680

SHA256
abc1c1c17694fcad7f7882cc62fa87c9774b807526ed09c8087bf70b1a8c5c18

SHA512
eca7238603a04febec7980f6d9572d97b49bcac2a1e0f0d43a898e71da647c0bf9e918fe709d5989f90f9b0f8cc3ab4a2507e0cbfb7ae5200c0410f8045f6d09

Download Submit
memory/2608-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2608-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads