neshta | a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 02:15

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General

Target

a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
Size

120KB
MD5

af89c624870700c209719df4303a5b1b
SHA1

1ad38b4e9a2a2a5008f883730bcfd4bcfa2d761f
SHA256

a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350
SHA512

7f7849bae4c3966a188f2550f64ba0e53df6062062c835dabf63977f04576715f52693ecd2c8bdbf4ec144326972bd98b635c10f86434a5aa08f3cf4b1662053
SSDEEP

1536:JxqjQ+P04wsmJC8Cn5kMbvG0cfP2BQ+P04wsmJC:sr85Cuz2Br85C

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-13.dat	family_neshta
behavioral1/memory/1668-93-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1668-95-0x0000000000400000-0x000000000041B000-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

pid	Process
2680	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe

Loads dropped DLL 10 IoCs

pid	Process
1668	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
1668	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
2776	WerFault.exe
2776	WerFault.exe
2776	WerFault.exe
2776	WerFault.exe
2776	WerFault.exe
2776	WerFault.exe
2776	WerFault.exe
1668	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.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\" %*"	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.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\Reader\ACROBR~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.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
2776	2680	WerFault.exe

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	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.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\" %*"	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2680	1668	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe	31
PID 1668 wrote to memory of 2680	1668	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe	31
PID 1668 wrote to memory of 2680	1668	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe	31
PID 1668 wrote to memory of 2680	1668	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe	31
PID 2680 wrote to memory of 2776	2680	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe	32
PID 2680 wrote to memory of 2776	2680	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe	32
PID 2680 wrote to memory of 2776	2680	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe	32
PID 2680 wrote to memory of 2776	2680	a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe	32

C:\Users\Admin\AppData\Local\Temp\a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
"C:\Users\Admin\AppData\Local\Temp\a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.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:1668
- C:\Users\Admin\AppData\Local\Temp\3582-490\a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 148
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2776

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\a2308f8e1cd85f04a7ad9c62ac90523e2cd1fe223c9adcecda0412cf38330350.exe

Filesize
80KB

MD5
e79ed7c6a2ecd6cc028ab31b220f8119

SHA1
5a5cc0166f00308af5ba4d2af51de00100ec1692

SHA256
605d7f2fc1e763b52b9c50d430339a3faf655869a4e568bfdfe3255387a26467

SHA512
14eb516a714c748dc4fe3e82c03f5ba3dcdbc21f61c0e91e96dea3ae2206def1549aac8504ae9e1b05bdf294d68ca4ccd1d25e871e23d07023b09649116b0921

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memory/1668-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/1668-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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