neshta | a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd

Analysis

max time kernel
122s
max time network
135s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/02/2025, 03:25

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General

Target

a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
Size

2.5MB
MD5

ed8f2ff4aee84215bd907ee9eb0b5dd1
SHA1

8d769cab99d74dda3a29207b9b8666487e3c4146
SHA256

a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd
SHA512

840f3a37bfdef37ffbca02741df3df80cb58f5db30407322142bf28582a79621fb4e8b4cb6ab43d4283e8c0620213b23671f253cd509fb33fcac10b77796f46f
SSDEEP

49152:MdrGT9oY0SAQ4+YI1Qb1oWGxblxZa0o857DC:MFGTv1QtGxHZabL

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 7 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/2776-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2776-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2776-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2776-90-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2776-91-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2776-93-0x0000000000400000-0x000000000041B000-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
2836	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe

Loads dropped DLL 2 IoCs

pid	Process
2776	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
2776	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.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\" %*"	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.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\MICROS~1\Office14\MSTORDB.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.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	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.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\" %*"	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2836	2776	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe	30
PID 2776 wrote to memory of 2836	2776	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe	30
PID 2776 wrote to memory of 2836	2776	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe	30
PID 2776 wrote to memory of 2836	2776	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe	30
PID 2776 wrote to memory of 2836	2776	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe	30
PID 2776 wrote to memory of 2836	2776	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe	30
PID 2776 wrote to memory of 2836	2776	a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe	30

C:\Users\Admin\AppData\Local\Temp\a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
"C:\Users\Admin\AppData\Local\Temp\a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.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:2776
- C:\Users\Admin\AppData\Local\Temp\3582-490\a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2836

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\a27f1125872430327a923045b741d89504b6edc23ecb6b7251480589195f83fd.exe

Filesize
2.5MB

MD5
994dc57b7faca46849ed882dac75e611

SHA1
1cd7af2f24595e503a40bced608c7436452c27dc

SHA256
b0b0f5594c1a375d15ce21f37f893ec846a2da8e417f01a5c824a5c315b73596

SHA512
95dab4d7c2fc91d1b88b93302e2a3fceeec7b1f48fdc4014b1f0f444a24b38f77252a6a82afdc7e611cc6fa2e5703d417dea8c3483316aed15af02a9c35303ac

Download Submit
memory/2776-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2776-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2776-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2776-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2776-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2776-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2836-11-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2836-73-0x0000000000400000-0x000000000067F000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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