neshta | b27b9d7337f3face7c17198879179b5d6ca0bfbf1e4270aaf27ae148366f6aea

General

Target

sample.exe
Size

5.4MB
MD5

3890b8381d0097b70797e484f40d0df3
SHA1

43f2196a11285902cab38264f64a0fd545161b44
SHA256

dfea487c68b65aafc445658ea66473de74997a46a9ebf5b0123d1031a2432305
SHA512

f3091690ce65f294b298014dbd4ee8e46f2de302d9aff3ba75c3caf801378debd840b65534f8a8edad58d72a92eb1119379f628e7bff86d63a738b79a945b722
SSDEEP

98304:U98aK6oZt3D1RkS5OS0yionLTKnVhoDXDDm4O5DBur00H6qfe:yrK6oLD1GN3Xo6sDX3lUlY0Y6qfe

Score

10^/10

neshta agilenet persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 1 IoCs

Processes:

resource	yara_rule
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe	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
Executes dropped EXE 1 IoCs

Processes:

sample.exe

pid process

2156 sample.exe
Loads dropped DLL 5 IoCs

Processes:

sample.exedw20.exe

pid process

1264 sample.exe
1264 sample.exe
2632 dw20.exe
2632 dw20.exe
1264 sample.exe
Modifies system executable filetype association 2 TTPs 1 IoCs
persistence

Modify Registry
T1112

Change Default File Association
T1546.001

Processes:

sample.exe

description ioc process

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

pid	process
2156	sample.exe

pid	process
1264	sample.exe
1264	sample.exe
2632	dw20.exe
2632	dw20.exe
1264	sample.exe

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

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\3582-490\sample.exe	agile_net

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
T1552.001

Drops file in Program Files directory 64 IoCs

Processes:

sample.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	sample.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	sample.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	sample.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	sample.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	sample.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	sample.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	sample.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	sample.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	sample.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	sample.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	sample.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	sample.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	sample.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	sample.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	sample.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	sample.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	sample.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	sample.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	sample.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	sample.exe

Drops file in Windows directory 1 IoCs

Processes:

sample.exe

description ioc process

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

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

sample.exe

description ioc process

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

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

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

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

sample.exesample.exe

description	pid	process	target process
PID 1264 wrote to memory of 2156	1264	sample.exe	sample.exe
PID 1264 wrote to memory of 2156	1264	sample.exe	sample.exe
PID 1264 wrote to memory of 2156	1264	sample.exe	sample.exe
PID 1264 wrote to memory of 2156	1264	sample.exe	sample.exe
PID 2156 wrote to memory of 2632	2156	sample.exe	dw20.exe
PID 2156 wrote to memory of 2632	2156	sample.exe	dw20.exe
PID 2156 wrote to memory of 2632	2156	sample.exe	dw20.exe
PID 2156 wrote to memory of 2632	2156	sample.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1264

C:\Users\Admin\AppData\Local\Temp\3582-490\sample.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\sample.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 424
3⤵
- Loads dropped DLL
PID:2632

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

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\sample.exe
Filesize
5.4MB

MD5
210394145368825b0ef292bcd95d5a1d

SHA1
387f356a147164ecd876117cb1253d38c83e85d5

SHA256
bd473bfba93df098187864352721b0386632cdce4c3368fbaae31b3d7bf3709c

SHA512
8afeffedf643a07de5a441456b1a23cce98c481420ba10450400a7b719de6091776c2e81416e6fb722aabac047039f2459f573eef16330601f7aee3598f79b50

Download Submit
memory/2156-15-0x00000000748D1000-0x00000000748D2000-memory.dmp

Filesize
4KB

Download
memory/2156-16-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2156-17-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2632-20-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads