neshta | bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 04:44

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General

Target

bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
Size

453KB
MD5

85f150ff61410c9959b358fdecd043a0
SHA1

81ca45b0f0e4c1ecd1432397fba46a9c6d628790
SHA256

bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9
SHA512

fdc82c83652ee1801ed5b81b46b3ee699193e1b812b7fcb8a68a1c9630cc84790f14389d8deec6f511fbcfd6b9998e8cdef82bae9765d13e94af8a6bd37a43f0
SSDEEP

6144:k9XOqFQ4SEqCnYxIadtmZ1JvLVX4Z1QkPZX4/T2xZG1V6drOKEhg5m2qEUAtTdy:mB+EqO1vLMZo/THIdrChg4EUAtJy

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-9.dat	family_neshta
behavioral1/memory/1600-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1600-84-0x0000000000400000-0x000000000041B000-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
2092	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe

Loads dropped DLL 2 IoCs

pid	Process
1600	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
1600	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.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\" %*"	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.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\MICROS~1\Office14\IECONT~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.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	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.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\" %*"	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 2092	1600	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe	30
PID 1600 wrote to memory of 2092	1600	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe	30
PID 1600 wrote to memory of 2092	1600	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe	30
PID 1600 wrote to memory of 2092	1600	bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe	30

C:\Users\Admin\AppData\Local\Temp\bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
"C:\Users\Admin\AppData\Local\Temp\bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.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:1600
- C:\Users\Admin\AppData\Local\Temp\3582-490\bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe"
  2⤵
  - Executes dropped EXE
  PID:2092

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\bb971055fe7092bb2a6affe0c34d5e26f17c1b57f3d9a1ec4937cc2d18915ea9N.exe

Filesize
413KB

MD5
db00671773e1664c1d6d4fd4971009a3

SHA1
92561d657498eae748d60b20a2eb78010a54aa91

SHA256
883f702d8d6fc4bb403c06151b5723c6b5e4a39075e56f06b68bc95b83b811eb

SHA512
c704adbcd6001a1bc7ff12816492475d36ea113a101fb7ff4b45109cdcd62133c1aeaead7a5a6d2fdc1c6de0db545b05eeacefb2b32645cdd5e82ee847ea3aba

Download Submit
memory/1600-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1600-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads