neshta | b8344e9c1ee03f949c70959828a08e1f73f198d58e6721b95676d54a7e6cb6be

General

Target

Euro_swift_pdf.exe
Size

247KB
MD5

113dce66c3dbdcd17f9d193c883e983e
SHA1

0c9097e98f090d10597fdcac72f729fb76a219b2
SHA256

b8344e9c1ee03f949c70959828a08e1f73f198d58e6721b95676d54a7e6cb6be
SHA512

f8d95727089ae3f59f0bceca6ad43442cc9eba39d6db7096295b8af49d2ac63888c556445d3ee51b6043276e25eedbefad5e6a727a38dc1aca4455e75ec26c8e

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1332-63-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

Euro_swift_pdf.exe

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

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Loads dropped DLL 3 IoCs

Processes:

Euro_swift_pdf.exe

pid process

1332 Euro_swift_pdf.exe
1332 Euro_swift_pdf.exe
1332 Euro_swift_pdf.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

Euro_swift_pdf.exe

description pid process target process

PID 2028 set thread context of 1332 2028 Euro_swift_pdf.exe Euro_swift_pdf.exe

pid	process
1332	Euro_swift_pdf.exe
1332	Euro_swift_pdf.exe
1332	Euro_swift_pdf.exe

description	pid	process	target process
PID 2028 set thread context of 1332	2028	Euro_swift_pdf.exe	Euro_swift_pdf.exe

Drops file in Program Files directory 64 IoCs

Processes:

Euro_swift_pdf.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~4.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GO664E~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOBD5D~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOF5E2~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Google\Temp\GUME011.tmp\GOFB2B~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~2.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	Euro_swift_pdf.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	Euro_swift_pdf.exe

Drops file in Windows directory 1 IoCs

Processes:

Euro_swift_pdf.exe

description ioc process

File opened for modification C:\Windows\svchost.com Euro_swift_pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	Euro_swift_pdf.exe

Modifies registry class 1 IoCs

Processes:

Euro_swift_pdf.exe

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

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Euro_swift_pdf.exe

pid process

2028 Euro_swift_pdf.exe

pid	process
2028	Euro_swift_pdf.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

Euro_swift_pdf.exe

description	pid	process	target process
PID 2028 wrote to memory of 1332	2028	Euro_swift_pdf.exe	Euro_swift_pdf.exe
PID 2028 wrote to memory of 1332	2028	Euro_swift_pdf.exe	Euro_swift_pdf.exe
PID 2028 wrote to memory of 1332	2028	Euro_swift_pdf.exe	Euro_swift_pdf.exe
PID 2028 wrote to memory of 1332	2028	Euro_swift_pdf.exe	Euro_swift_pdf.exe
PID 2028 wrote to memory of 1332	2028	Euro_swift_pdf.exe	Euro_swift_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Euro_swift_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Euro_swift_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2028

C:\Users\Admin\AppData\Local\Temp\Euro_swift_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Euro_swift_pdf.exe"
2⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
PID:1332

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\PROGRA~2\Google\Temp\GUME011.tmp\GOFB2B~1.EXE
MD5
583ff3367e050c4d62bc03516473b40a

SHA1
6aa1d26352b78310e711884829c35a69ed1bf0f9

SHA256
6b63f8dd47d8b3baa71b6cd205d428861b96bf09cf479071e75ddd23f97c0146

SHA512
e9bdd5cc2e29db48cc524488fbadb08e808f17f6e18fa595cfebae229c94f2547079e52a2ada214169577b89b2ffbef424729cd90acdea3774f5c76aec192be0

Download Submit
\PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE
MD5
583ff3367e050c4d62bc03516473b40a

SHA1
6aa1d26352b78310e711884829c35a69ed1bf0f9

SHA256
6b63f8dd47d8b3baa71b6cd205d428861b96bf09cf479071e75ddd23f97c0146

SHA512
e9bdd5cc2e29db48cc524488fbadb08e808f17f6e18fa595cfebae229c94f2547079e52a2ada214169577b89b2ffbef424729cd90acdea3774f5c76aec192be0

Download Submit
memory/1332-61-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/1332-60-0x00000000004080E4-mapping.dmp

Download
memory/1332-63-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2028-62-0x00000000000F0000-0x00000000000F2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads