neshta | cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f

Analysis

max time kernel
26s
max time network
21s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-12-2024 03:31

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General

Target

cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
Size

3.0MB
MD5

053521c38f9f1f895d1750dcaa61313c
SHA1

32c58227fc95e29ad5eef1505213c7052410463b
SHA256

cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f
SHA512

3252d65efc09beec221446b49ca1a6f5db3885573ea3e989fda4697e7728fa0032e02362df6fab109ad76d8b92fe5b8f3f2a88812c6dff4c8e22083a409e55d0
SSDEEP

49152:5JLEZn0hHcuspfeSvy5OElNHGsT0AsVxDq8Ty7bSDD:5JPhHRHtQsTC2LWD

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/2180-84-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2180-88-0x0000000000400000-0x000000000041B000-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
2696	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe

Loads dropped DLL 2 IoCs

pid	Process
2180	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
2180	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.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\" %*"	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.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	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.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	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.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\" %*"	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2696	2180	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe	30
PID 2180 wrote to memory of 2696	2180	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe	30
PID 2180 wrote to memory of 2696	2180	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe	30
PID 2180 wrote to memory of 2696	2180	cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe	30

C:\Users\Admin\AppData\Local\Temp\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
"C:\Users\Admin\AppData\Local\Temp\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.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:2180
- C:\Users\Admin\AppData\Local\Temp\3582-490\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2696

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\dwtrig20.exe

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\cfc1e2a6a9907638412933639ebcadec584add082dc0897a99927d5902fb530f.exe

Filesize
2.9MB

MD5
76ea3eeeffad5915b7ad4e0ae8f8f7ae

SHA1
34ab8cd11c2c1b1049ed3072d00b18eccf935df0

SHA256
354b8d28b9ef2516c370b27fae70c3159de2495e8e9af21be18c7e7012bfa848

SHA512
97efe3bea4f01eb06d0647073c617f58126979ef9885b699d5e8ef2bb5ade4531ace732eb6e62cd35cd42e2d3918240d3e884546e11421e28725435503637ad8

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
memory/2180-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2180-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2696-11-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2696-86-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2696-85-0x0000000000400000-0x00000000006F9000-memory.dmp

Filesize
3.0MB

Download
memory/2696-90-0x0000000000400000-0x00000000006F9000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads