neshta | f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305e

Analysis

max time kernel
16s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23/11/2024, 22:02

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General

Target

f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
Size

662KB
MD5

555f030196b5c9560366fe4fa8c53690
SHA1

b9d88f1e5c669304dd8a784225ddeba61c3fec1d
SHA256

f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305e
SHA512

1f1847db36a874cd9804b4d241ff3faffbd277e2cf08cfc73c8ef8208422aed492e497d37d05127780c88448e568d46dd74b0253207be8190cc7b5c64e88d278
SSDEEP

6144:k9ljUhXpLuB02+Dj7l3YQRmNv2MECnw1qT+TBo4iuprQiRTj8BtB8b5N1uZIiL/4:2j8LwayN3nQ8+T9VToBjW5NQK8FeVpN

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010319-10.dat	family_neshta
behavioral1/memory/1756-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1756-89-0x0000000000400000-0x000000000041B000-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
1100	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe

Loads dropped DLL 6 IoCs

pid	Process
1756	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
2952	WerFault.exe
1756	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.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\" %*"	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.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\BCSSync.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2952	1100	WerFault.exe	29

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	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.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\" %*"	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 1100	1756	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe	29
PID 1756 wrote to memory of 1100	1756	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe	29
PID 1756 wrote to memory of 1100	1756	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe	29
PID 1756 wrote to memory of 1100	1756	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe	29
PID 1100 wrote to memory of 2952	1100	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe	30
PID 1100 wrote to memory of 2952	1100	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe	30
PID 1100 wrote to memory of 2952	1100	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe	30
PID 1100 wrote to memory of 2952	1100	f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe	30

C:\Users\Admin\AppData\Local\Temp\f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
"C:\Users\Admin\AppData\Local\Temp\f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.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:1756
- C:\Users\Admin\AppData\Local\Temp\3582-490\f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 260
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2952

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\f94c48dd3d3f56ae167ab77ab0fc8b568664f372dd506a8461022dc8b63d305eN.exe

Filesize
621KB

MD5
83b5ae9db5f4209f811f6369dc0fd815

SHA1
47a16c10bb9a793d2fe68be8e11dc0cbfd850a49

SHA256
1453d5ba9c4b2a52743b2007000f2454eaf67efba1e73beb7ea8215422e10e89

SHA512
b999d6a308554a40306b9364d0dc5bf409d2f357e05b8841b1f48d330c8d3ddd77f2a5042fbb4122545d0868ba977e4a1b2fe2a44e2ae6a71e5b747edf998f37

Download Submit
memory/1756-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1756-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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