neshta | 8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57a

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-12-2024 23:40

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General

Target

8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
Size

108KB
MD5

8101194d35be96ec676c505f4e4144f0
SHA1

3bff62a487227fc420fe1b1bd0a266034e2ed7fe
SHA256

8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57a
SHA512

9263834731b986304bded1107ac17baa4cb742ba6c4a570095ae210610fb36b9a6788e964b65d4f989ff7afa6d0ea05976b335d3b5824600747b97d147937fef
SSDEEP

1536:JxqjQ+P04wsmJC1Vk2qsk8F+ERR8o3CiGNUc5LvWQkZ55+s0ynA:sr85Cpo8FR8o3Ci/c5LuZA

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010318-16.dat	family_neshta
behavioral1/memory/1852-90-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1852-93-0x0000000000400000-0x000000000041B000-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
2488	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe

Loads dropped DLL 3 IoCs

pid	Process
1852	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
1852	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
1852	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.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\" %*"	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.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\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.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 2 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	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.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\" %*"	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2488	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2488	1852	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe	31
PID 1852 wrote to memory of 2488	1852	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe	31
PID 1852 wrote to memory of 2488	1852	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe	31
PID 1852 wrote to memory of 2488	1852	8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe	31

C:\Users\Admin\AppData\Local\Temp\8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
"C:\Users\Admin\AppData\Local\Temp\8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.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:1852
- C:\Users\Admin\AppData\Local\Temp\3582-490\8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2488

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\8b068ca0e882d27c8809fca03d76a3c92ea8b54f74437d792c1ff64e0d9af57aN.exe

Filesize
68KB

MD5
cd4410f846fbb687ff428791aa04ded1

SHA1
400c562e64d68a9aa17f2dc91eac5cf0d75ae33e

SHA256
36c3dd8f4668221f18c3c1d5740cc7d9d7cb4e091b4be5e42f0928ed43d25a28

SHA512
ce35f187d2448df8077f1f55f4e4750109481a835472ec8435f8f2ba7bbc65f95dd4a00c3decd6a167340050d912ee614866416f618041dfcd4d5ba5dcc84884

Download Submit
memory/1852-4-0x0000000002880000-0x0000000002895000-memory.dmp

Filesize
84KB

Download
memory/1852-89-0x0000000002880000-0x0000000002895000-memory.dmp

Filesize
84KB

Download
memory/1852-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1852-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2488-91-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads