neshta | 0acff5ad93219431eb14e4e5007bbc6853ea91f7d0b2e44f6d5e834e8f45a89b

Analysis

max time kernel
118s
max time network
129s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15-10-2023 19:45

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General

Target

c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
Size

120KB
MD5

c3176ee2a438bb615339b8e28fd34ff0
SHA1

548e78c6bcbd2193ae377535c0e4edd483f81f8f
SHA256

0acff5ad93219431eb14e4e5007bbc6853ea91f7d0b2e44f6d5e834e8f45a89b
SHA512

56229b95676cea3fa76f96fd5404595a8b6143a461d1444674869ae7e2821d1628f0dfe53bf797a2bfeeb642d3d0366f5696c4eb52be53b0b0cab14095b047fc
SSDEEP

1536:JxqjQ+P04wsmJCNA+tNGsKoqvRRZl9+PSQ1BTsPEOpC3Afw8:sr85CNBtNGsKpRHl9+PjslpU8

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010324-13.dat	family_neshta
behavioral1/memory/1272-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1272-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1272-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1272-89-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1272-90-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1272-91-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1272-93-0x0000000000400000-0x000000000041B000-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
1376	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe

Loads dropped DLL 3 IoCs

pid	Process
1272	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
1272	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
1272	c3176ee2a438bb615339b8e28fd34ff0_exe32.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\" %*"	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe

Reads user/profile data of web browsers 2 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

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	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 1376	1272	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe	28
PID 1272 wrote to memory of 1376	1272	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe	28
PID 1272 wrote to memory of 1376	1272	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe	28
PID 1272 wrote to memory of 1376	1272	c3176ee2a438bb615339b8e28fd34ff0_exe32.exe	28

C:\Users\Admin\AppData\Local\Temp\c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
"C:\Users\Admin\AppData\Local\Temp\c3176ee2a438bb615339b8e28fd34ff0_exe32.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\3582-490\c3176ee2a438bb615339b8e28fd34ff0_exe32.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\c3176ee2a438bb615339b8e28fd34ff0_exe32.exe"
  2⤵
  - Executes dropped EXE
  PID:1376

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

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
C:\Users\Admin\AppData\Local\Temp\3582-490\c3176ee2a438bb615339b8e28fd34ff0_exe32.exe

Filesize
80KB

MD5
0b4365ca3496fd24ca4631d0ca31cdd4

SHA1
8c1d54cd6e82826fe7a89bd77762b1e00ec4e298

SHA256
b9c7a408950838f7f7ab18b6da2a42f187633b5afafd8b675f30fc61ccc6071f

SHA512
378619c17f438f9ccd278a22431f87f5ad80b0bb4a67851c2fdc54836771b4eac9d80fbd5578133bba0e43a2f590703258926b0136607a320c97f835d73de048

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\c3176ee2a438bb615339b8e28fd34ff0_exe32.exe

Filesize
80KB

MD5
0b4365ca3496fd24ca4631d0ca31cdd4

SHA1
8c1d54cd6e82826fe7a89bd77762b1e00ec4e298

SHA256
b9c7a408950838f7f7ab18b6da2a42f187633b5afafd8b675f30fc61ccc6071f

SHA512
378619c17f438f9ccd278a22431f87f5ad80b0bb4a67851c2fdc54836771b4eac9d80fbd5578133bba0e43a2f590703258926b0136607a320c97f835d73de048

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\c3176ee2a438bb615339b8e28fd34ff0_exe32.exe

Filesize
80KB

MD5
0b4365ca3496fd24ca4631d0ca31cdd4

SHA1
8c1d54cd6e82826fe7a89bd77762b1e00ec4e298

SHA256
b9c7a408950838f7f7ab18b6da2a42f187633b5afafd8b675f30fc61ccc6071f

SHA512
378619c17f438f9ccd278a22431f87f5ad80b0bb4a67851c2fdc54836771b4eac9d80fbd5578133bba0e43a2f590703258926b0136607a320c97f835d73de048

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\c3176ee2a438bb615339b8e28fd34ff0_exe32.exe

Filesize
80KB

MD5
0b4365ca3496fd24ca4631d0ca31cdd4

SHA1
8c1d54cd6e82826fe7a89bd77762b1e00ec4e298

SHA256
b9c7a408950838f7f7ab18b6da2a42f187633b5afafd8b675f30fc61ccc6071f

SHA512
378619c17f438f9ccd278a22431f87f5ad80b0bb4a67851c2fdc54836771b4eac9d80fbd5578133bba0e43a2f590703258926b0136607a320c97f835d73de048

Download Submit
memory/1272-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1272-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1272-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1272-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1272-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1272-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1272-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads