neshta | 21dfbeca99921ce2ae9f1bbfe044920f2c8bce2c61c2efa77b20edc5338b7a07

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 18:58

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General

Target

bc8e607dcbe7b50fa226746bb128f4b4.exe
Size

679KB
MD5

bc8e607dcbe7b50fa226746bb128f4b4
SHA1

d94e5ff31a8c22f1c5cb455823c253d24c224bcb
SHA256

21dfbeca99921ce2ae9f1bbfe044920f2c8bce2c61c2efa77b20edc5338b7a07
SHA512

1c2f959875214a4ee5e637f5812f2d26d2d1d9286fa98f3ab2b27b1208f5762c4e61139913552df52de20ca70d5779fecef4116e3bf5a3431c780a74b1703e6f
SSDEEP

12288:G+a+1ERLTwf8h2tHTC7TcrjptfNL/1/vFWn7AUVs9jSFq:/r1ER3wEhkHTrrVt1dFc7quFq

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 8 IoCs

resource	yara_rule
behavioral1/memory/528-20-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/528-21-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/528-22-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/528-25-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/528-97-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/528-98-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/528-99-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/528-101-0x0000000000400000-0x000000000041B000-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

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\" %*"	bc8e607dcbe7b50fa226746bb128f4b4.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
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2140 set thread context of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	bc8e607dcbe7b50fa226746bb128f4b4.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	bc8e607dcbe7b50fa226746bb128f4b4.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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	bc8e607dcbe7b50fa226746bb128f4b4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2140	bc8e607dcbe7b50fa226746bb128f4b4.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28
PID 2140 wrote to memory of 528	2140	bc8e607dcbe7b50fa226746bb128f4b4.exe	28

C:\Users\Admin\AppData\Local\Temp\bc8e607dcbe7b50fa226746bb128f4b4.exe
"C:\Users\Admin\AppData\Local\Temp\bc8e607dcbe7b50fa226746bb128f4b4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Users\Admin\AppData\Local\Temp\bc8e607dcbe7b50fa226746bb128f4b4.exe
  C:\Users\Admin\AppData\Local\Temp\bc8e607dcbe7b50fa226746bb128f4b4.exe
  2⤵
  - Modifies system executable filetype association
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies registry class
  PID:528

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
ae47caa6216e28d9619f2d4ee52f7d83

SHA1
ce0f252d30039ef821d944146f3e65f6300a7591

SHA256
1b778ccd39f163b14caa9de98ab82b3fea51a50f61d83ebf9688937e0f72eb11

SHA512
28e148c90afe5ef3e96ff88a526b8c5c02ea5419c6eec131419b71cb9cd2b3dfb3e8f0fa159caba853423b730c7a9fe96dad82fdad6051c4dc626529ac5a5948

Download Submit
memory/528-10-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-21-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-6-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-20-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-101-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-12-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-14-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-16-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/528-8-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-22-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-98-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-25-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-4-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/528-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2140-23-0x0000000000400000-0x000000000040E001-memory.dmp

Filesize
56KB

Download
memory/2140-3-0x00000000003E0000-0x00000000003EF000-memory.dmp

Filesize
60KB

Download
memory/2140-0-0x0000000000400000-0x000000000040E001-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads