neshta | f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050ed

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11/10/2024, 11:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
Size

138KB
MD5

f3526516295b3bd4150341f7541ae3e0
SHA1

354f2d38d5415bdcfa8f73f6352aace7598a9519
SHA256

f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050ed
SHA512

d39e696918629d282c4443ae30a80ef09c3051b51f39b973e2a5593121df4784224a0bc94bbb329915aa6351a0a848b27afdbb8e9bcdacc3a2b91f71d09d3c4a
SSDEEP

1536:JxqjQ+P04wsmJCe12UiS6tWuZNVBXLYXzXwl4ePlVBXLYXzXwl4ePo46:sr85CecNZHB8DApXB8DApA46

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/2300-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2300-90-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
2372	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe

Loads dropped DLL 2 IoCs

pid	Process
2300	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
2300	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.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\" %*"	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.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\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.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	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.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\" %*"	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2372	2300	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe	30
PID 2300 wrote to memory of 2372	2300	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe	30
PID 2300 wrote to memory of 2372	2300	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe	30
PID 2300 wrote to memory of 2372	2300	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe	30
PID 2372 wrote to memory of 2348	2372	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe	31
PID 2372 wrote to memory of 2348	2372	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe	31
PID 2372 wrote to memory of 2348	2372	f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe	31

C:\Users\Admin\AppData\Local\Temp\f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
"C:\Users\Admin\AppData\Local\Temp\f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.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:2300
- C:\Users\Admin\AppData\Local\Temp\3582-490\f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
    dw20.exe -x -s 400
    3⤵
    PID:2348

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\f42bb63ad6d996a40c4f02dec9672182886c1944531a75e8c4e867e46b9050edN.exe

Filesize
97KB

MD5
cbfd5d962113f0f0916443fabafed1f8

SHA1
d7aa14e408dc2cbe3e209f9e63627f0fbb85c56d

SHA256
0c276d4d0d557a00c7bb49e25895bcaaaf73c5513193745f6dd7270e668b34ce

SHA512
cc24c618b1ec92cf965843808b8eebb973b25ea037e04de3d947c2f5af8815fcc3721c1e7bbd3c5f6c5ad4917d7d252d810ebfc78c032046951f4b99f6d8c679

Download Submit
memory/2300-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2300-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2348-14-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/2372-11-0x000007FEF5AFE000-0x000007FEF5AFF000-memory.dmp

Filesize
4KB

Download
memory/2372-12-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

Filesize
9.6MB

Download
memory/2372-13-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

Filesize
9.6MB

Download
memory/2372-87-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads