neshta | f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76

Analysis

max time kernel
80s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 03:43

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General

Target

f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
Size

1.1MB
MD5

8c61d6c1409859cac7d2b42135a53955
SHA1

3a653591369f8cbd2cc8c6bf112f4ec97733ad82
SHA256

f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76
SHA512

79e0740881d1086e32cd5580bd0457edd19af59c583d6a9554d354887c899902f8bf3cced2affe2f0755174bd0f24106312c80b85870b93bde7d71fcd9c126f9
SSDEEP

12288:mjFG/w+sUbyDHuF9KPCOen92y2K8YD6IfYymQ5NAvBXla5umVmu:mAWHruFAqOen92yBGc15NA1I5umR

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010315-11.dat	family_neshta
behavioral1/memory/2140-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2140-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2140-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2140-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2140-91-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
2820	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe

Loads dropped DLL 2 IoCs

pid	Process
2140	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
2140	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.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\" %*"	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.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\WI54FB~1\wmprph.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.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	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.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\" %*"	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2820	2140	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe	30
PID 2140 wrote to memory of 2820	2140	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe	30
PID 2140 wrote to memory of 2820	2140	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe	30
PID 2140 wrote to memory of 2820	2140	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe	30
PID 2820 wrote to memory of 2068	2820	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe	31
PID 2820 wrote to memory of 2068	2820	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe	31
PID 2820 wrote to memory of 2068	2820	f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe	31

C:\Users\Admin\AppData\Local\Temp\f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
"C:\Users\Admin\AppData\Local\Temp\f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.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:2140
- C:\Users\Admin\AppData\Local\Temp\3582-490\f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2820 -s 520
    3⤵
    PID:2068

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

Loading Replay Monitor...

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\f735f701d56b133917766578e8b64e0a16fac12b0c56a2f967a281d793aa4a76.exe

Filesize
1.1MB

MD5
ac7b867ba64bfbe9311b9ae66c9a9644

SHA1
234ec5b9b0cf816e973c62780bc5a53cc153e238

SHA256
b27ec98a47fa50a05252526401688dbd2cf3b1dc6627cff9e5e6232bf24591d1

SHA512
97acc00f40091f669f7b4c68d94d7c3fc056dab336752dfe4c6c7c7bb6e88b8f38601dae2e3ccfbc1cbdc11341aa905a011d26247d6ec9d2a3d9b3b0ed4fe9b8

Download Submit
memory/2140-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2140-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2140-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2140-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2140-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2820-9-0x000007FEF4F03000-0x000007FEF4F04000-memory.dmp

Filesize
4KB

Download
memory/2820-12-0x00000000003B0000-0x00000000004CA000-memory.dmp

Filesize
1.1MB

Download
memory/2820-86-0x000007FEF4F03000-0x000007FEF4F04000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads