neshta | 87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643

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
02-01-2025 00:30

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General

Target

87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
Size

550KB
MD5

7f27befa2624e606586e3afc9fd88eb0
SHA1

e9dcc998d762a5d713d5658bbf89bb88730a99de
SHA256

87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643
SHA512

9b96c9f2a489f8d74da2716dbfbc053aa89068912650f5d92276bfb3cafd533d906f78aaea1b3e1c8dcb4ca02798edf77950d3f9877a72e449f57740f1c172de
SSDEEP

12288:dLq3lCfNK3NBPTsPfu9nOS6cE/wSJrJXKQN32EQN32c:dLQQE/afEOSKoSJrxK

Score

10^/10

neshta discovery persistence spyware stealer upx

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-12.dat	family_neshta
behavioral1/memory/1060-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1060-89-0x0000000000400000-0x000000000041B000-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
3036	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe

Loads dropped DLL 2 IoCs

pid	Process
1060	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
1060	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.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\" %*"	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.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

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0008000000015cc9-2.dat	upx
behavioral1/memory/3036-10-0x0000000000400000-0x000000000053C000-memory.dmp	upx
behavioral1/memory/3036-85-0x0000000000400000-0x000000000053C000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.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	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.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\" %*"	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3036	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 3036	1060	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe	30
PID 1060 wrote to memory of 3036	1060	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe	30
PID 1060 wrote to memory of 3036	1060	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe	30
PID 1060 wrote to memory of 3036	1060	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe	30
PID 1060 wrote to memory of 3036	1060	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe	30
PID 1060 wrote to memory of 3036	1060	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe	30
PID 1060 wrote to memory of 3036	1060	87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe	30

C:\Users\Admin\AppData\Local\Temp\87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
"C:\Users\Admin\AppData\Local\Temp\87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.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:1060
- C:\Users\Admin\AppData\Local\Temp\3582-490\87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3036

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\87c3506d2c20485f2b1ffff6b5103adf449954207a342c7ac9d5b0266b49c643N.exe

Filesize
509KB

MD5
9d13f54846d502d1865c0f726c08593f

SHA1
2697bf0666fc087655fc61da8d2826c0d5d2f402

SHA256
ce3a427d87236294bf5446ea3a94c72b78bece64ea34de044daaf79ed26b8591

SHA512
8f20b9e0eaccdaa1653bc20dde281a13030f0db770159621865f890ed980a65247441ea58ef16871a70f160b7f0b18a1be7f970f69855ee3aa6dd3b6a6fd6339

Download Submit
memory/1060-6-0x0000000002CF0000-0x0000000002E2C000-memory.dmp

Filesize
1.2MB

Download
memory/1060-86-0x0000000002CF0000-0x0000000002E2C000-memory.dmp

Filesize
1.2MB

Download
memory/1060-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1060-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3036-10-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/3036-85-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads