neshta | 6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 23:58

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General

Target

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
Size

196KB
MD5

734591dc48cbb87c9dd13293211c682b
SHA1

c5bffa083c85bccbf6f620c7a0fea37698b358e4
SHA256

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424
SHA512

aafe252642563daee472ce8b9f5003e179e6679435ac045a11be4a2430a56f7865826bb91e40e9c487f8b9e3bf636c10ac240855eb87e4b6686ab7150b8d26a8
SSDEEP

3072:sr85CGD0G2J1QwkhmwbVDXfNcxE0nwxz+r85CGD0G2J1:k9GD0G2JqqwbZXFcxEGwxS9GD0G2J

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0001000000010314-13.dat	family_neshta
behavioral1/memory/1932-93-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1932-95-0x0000000000400000-0x000000000041B000-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

Processes:

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

pid	Process
2236	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

Loads dropped DLL 10 IoCs

Processes:

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exeWerFault.exe

pid	Process
1932	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
1932	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
2880	WerFault.exe
2880	WerFault.exe
2880	WerFault.exe
2880	WerFault.exe
2880	WerFault.exe
2880	WerFault.exe
2880	WerFault.exe
1932	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.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

Processes:

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

Drops file in Windows directory 1 IoCs

Processes:

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2880	2236	WerFault.exe	31

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

Processes:

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

Modifies registry class 1 IoCs

Processes:

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

description	pid	Process	procid_target
PID 1932 wrote to memory of 2236	1932	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe	31
PID 1932 wrote to memory of 2236	1932	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe	31
PID 1932 wrote to memory of 2236	1932	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe	31
PID 1932 wrote to memory of 2236	1932	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe	31
PID 2236 wrote to memory of 2880	2236	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe	32
PID 2236 wrote to memory of 2880	2236	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe	32
PID 2236 wrote to memory of 2880	2236	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe	32
PID 2236 wrote to memory of 2880	2236	6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe	32

C:\Users\Admin\AppData\Local\Temp\6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
"C:\Users\Admin\AppData\Local\Temp\6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.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:1932
- C:\Users\Admin\AppData\Local\Temp\3582-490\6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 148
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2880

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\6795730677511dee8f998435680026e87f1a59f02ef689b7c9df580d988f7424.exe

Filesize
156KB

MD5
a8d0184f4536b6c11030ec8ffff1815f

SHA1
90f31d8c80a1aeea93d27776e7e12835d3293682

SHA256
421201307da0e823311863e370aa5e97822462c785d1de3149c06540c5b450bc

SHA512
c3d049e31a9f62ae5434744c9ee01b42424231fba82fe515171112dd9c3c730226bc2189a826ac1a4e4af152b162d1e8aafc5a02153a1ebb21d64a291c5e69c0

Download Submit
memory/1932-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/1932-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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