neshta | c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72

Analysis

max time kernel
47s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
28-10-2022 17:24

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General

Target

c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
Size

204KB
MD5

0b4333ea796f3ab284851810bcfe1d80
SHA1

c6d005f3abef81c4badec21b903ecce14dba2531
SHA256

c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72
SHA512

7f776cb1e2e2082b406c38fc1478146a14e41c525a50b647b42dea269c46c94bc7204ecf94efdd6cb9c73ea5612b06b150f0f8f53ef2b169b25918556f103684
SSDEEP

3072:sr85Cul1yCcfwCArwo5+2WDhRnY+WyMJanfRddhW3thyoutjluojYtAFw3Ys:k9Yy4CAF5Di5bgU/W3nyoSZuojR+3X

Score

10^/10

neshta persistence spyware stealer upx

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe

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
1968	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000b0000000122eb-55.dat	upx
behavioral1/files/0x000b0000000122eb-56.dat	upx
behavioral1/files/0x000b0000000122eb-58.dat	upx
behavioral1/memory/1968-59-0x0000000000400000-0x000000000048D000-memory.dmp	upx

Loads dropped DLL 3 IoCs

pid	Process
1720	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
1720	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
1720	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.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
T1081

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe

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

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\" %*"	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1968	1720	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe	27
PID 1720 wrote to memory of 1968	1720	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe	27
PID 1720 wrote to memory of 1968	1720	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe	27
PID 1720 wrote to memory of 1968	1720	c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe	27

C:\Users\Admin\AppData\Local\Temp\c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
"C:\Users\Admin\AppData\Local\Temp\c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe"
1⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\3582-490\c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe"
  2⤵
  - Executes dropped EXE
  PID:1968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe

Filesize
163KB

MD5
6a8102b27272c6f2ecb175307058f368

SHA1
cb5c37edf4e273da00a064ae2d4b05f18394a057

SHA256
aea298054b63aff21a6c56a7ea7dc558fd11008c8034f296f937f34f2560c059

SHA512
8c1c831887d3fc04b0a0d7b8665fe8ebb1fd7d997c8af8e411bf10c16ffa777f786339696b622fe16c46e57b038271eff60d073869c655af72bac95ba60b229d

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\c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe

Filesize
163KB

MD5
6a8102b27272c6f2ecb175307058f368

SHA1
cb5c37edf4e273da00a064ae2d4b05f18394a057

SHA256
aea298054b63aff21a6c56a7ea7dc558fd11008c8034f296f937f34f2560c059

SHA512
8c1c831887d3fc04b0a0d7b8665fe8ebb1fd7d997c8af8e411bf10c16ffa777f786339696b622fe16c46e57b038271eff60d073869c655af72bac95ba60b229d

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\c5620f70001f04bc87fc384384e0cb63a939cf3de59c9d985717ecf9c40c9e72.exe

Filesize
163KB

MD5
6a8102b27272c6f2ecb175307058f368

SHA1
cb5c37edf4e273da00a064ae2d4b05f18394a057

SHA256
aea298054b63aff21a6c56a7ea7dc558fd11008c8034f296f937f34f2560c059

SHA512
8c1c831887d3fc04b0a0d7b8665fe8ebb1fd7d997c8af8e411bf10c16ffa777f786339696b622fe16c46e57b038271eff60d073869c655af72bac95ba60b229d

Download Submit
memory/1720-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/1720-60-0x00000000025F0000-0x000000000267D000-memory.dmp

Filesize
564KB

Download
memory/1720-61-0x00000000025F0000-0x000000000267D000-memory.dmp

Filesize
564KB

Download
memory/1720-63-0x00000000025F0000-0x000000000267D000-memory.dmp

Filesize
564KB

Download
memory/1720-64-0x00000000025F0000-0x000000000267D000-memory.dmp

Filesize
564KB

Download
memory/1968-57-0x0000000000000000-mapping.dmp

Download
memory/1968-59-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download