neshta | b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 03:09

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General

Target

b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
Size

84KB
MD5

bbf8d232dc076b7c5305a7db9cce34ff
SHA1

6c4765eb94f3841c9a542ef7fc98d64ab908ef05
SHA256

b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441
SHA512

70e2e3d6650f2b719f3058a5fa03154713964a956500a59c949544e549183c86dec2abca3aae3e7e96fc543278262989a7663a0b1448f76f7af8321cb18010d2
SSDEEP

1536:yxqjQ+P04wsZLnDrCUei42iTHzRkcbvGFeiLG/3:zr8WDrC7b2iT1kcbvGk6Gv

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

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
2712	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe

Loads dropped DLL 2 IoCs

pid	Process
1448	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
1448	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.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\" %*"	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.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\Adobe\Updater6\ADOBE_~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.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	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.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\" %*"	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2712	1448	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe	30
PID 1448 wrote to memory of 2712	1448	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe	30
PID 1448 wrote to memory of 2712	1448	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe	30
PID 1448 wrote to memory of 2712	1448	b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe	30

C:\Users\Admin\AppData\Local\Temp\b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
"C:\Users\Admin\AppData\Local\Temp\b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.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:1448
- C:\Users\Admin\AppData\Local\Temp\3582-490\b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe"
  2⤵
  - Executes dropped EXE
  PID:2712

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

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

Filesize
859KB

MD5
754309b7b83050a50768236ee966224f

SHA1
10ed7efc2e594417ddeb00a42deb8fd9f804ed53

SHA256
acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

SHA512
e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

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\b5b777defee59801f8d2e25e21f6ca1a190599dccbcbee1f0521bd7e393a4441.exe

Filesize
43KB

MD5
c195a68768b288415944218930092f55

SHA1
46134a7e5b4682777e3b6730737fd2f406a19613

SHA256
6b4e0232a4a26d7105c2a6848a1915386b07484ed991ce5e33efabdac0a5ec29

SHA512
63b4f33cdf17519366208ebcc85eb84e1e4afb072bc481e6e2d87bc72b719876ed333706c0c2a5c721e7fac6d413ce154f467098984708e72ae7854d00a65676

Download Submit
memory/1448-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1448-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads