neshta | 4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 22:19

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General

Target

4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
Size

211KB
MD5

3a89aa713068c01a83d4745524ea7ba6
SHA1

83e630e6e31bf84d4f45761db0483b9e37a50b79
SHA256

4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831
SHA512

9679b03f3f075e834af94f2e615cdc2f5f09e393488a4b1f2f9d3f6fcd237b532df1869f10186e1ca24e8cb9151e72f868cdd16c875103efdd2930dc1676779b
SSDEEP

6144:k9eBXeMInVQQU7keNTAH/n+nIrjrONLQ/obW:1BXeMIn+NkgbW

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-12.dat	family_neshta
behavioral1/memory/2884-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2884-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2884-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2884-89-0x0000000000400000-0x000000000041B000-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
2796	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe

Loads dropped DLL 3 IoCs

pid	Process
2884	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
2884	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
2884	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.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\" %*"	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.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\EQUATION\EQNEDT32.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.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	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.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\" %*"	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2796	2884	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe	30
PID 2884 wrote to memory of 2796	2884	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe	30
PID 2884 wrote to memory of 2796	2884	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe	30
PID 2884 wrote to memory of 2796	2884	4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe	30

C:\Users\Admin\AppData\Local\Temp\4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
"C:\Users\Admin\AppData\Local\Temp\4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.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:2884
- C:\Users\Admin\AppData\Local\Temp\3582-490\4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe"
  2⤵
  - Executes dropped EXE
  PID:2796

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

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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\4d8e6d39cb49deb11272c864861d4d1906fad5dcca283c4e7a1d65cf52ddf831.exe

Filesize
171KB

MD5
a8e86440c646851124eeeed214b038ac

SHA1
96f8a3ad069157b8e0cac363e174510cc3fa743b

SHA256
319911b4f5d2e3e2396cde3edb8f840c67e5b73aa3d2ea66f6c28d5bc29c28fd

SHA512
86561dd01548221985a2502bc2c1295176ace9c94d475cd8b767b5557133a58cb4eceba8d3b6a837b06deb4dbdb903ef931495acb4a1ad53771e2d4dff5f2198

Download Submit
memory/2884-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2884-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2884-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2884-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads