neshta | a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70

General

Target

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
Size

1.8MB
MD5

5d2b4bffce35ca15befad2715b330c11
SHA1

7d039fa071b85aa7af03aac1c60dd7a46e81bd34
SHA256

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70
SHA512

6c4e87edd6ed7384d95e631b0c3e1a2bbeb07153a2e4d94a26ae04a3c5606917ded33d7581bb2e204e21f448f495cc5dacf5d39b556623ac234457e3a81507cb

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

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.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

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

pid process

1096 a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

pid	process
1096	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\3582-490\a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe	upx
C:\Users\Admin\AppData\Local\Temp\3582-490\a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe	upx

Loads dropped DLL 2 IoCs

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

pid	process
1972	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
1972	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.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

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

Drops file in Windows directory 1 IoCs

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

description ioc process

File opened for modification C:\Windows\svchost.com a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

Modifies registry class 1 IoCs

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

description pid process

Token: SeDebugPrivilege 1096 a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

pid process

1096 a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

pid process

1096 a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

description	pid	process
Token: SeDebugPrivilege	1096	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

pid	process
1096	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

pid	process
1096	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

description	pid	process	target process
PID 1972 wrote to memory of 1096	1972	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
PID 1972 wrote to memory of 1096	1972	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
PID 1972 wrote to memory of 1096	1972	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
PID 1972 wrote to memory of 1096	1972	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe	a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

C:\Users\Admin\AppData\Local\Temp\a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
"C:\Users\Admin\AppData\Local\Temp\a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.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:1972
- C:\Users\Admin\AppData\Local\Temp\3582-490\a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:1096

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

Filesize
1.8MB

MD5
79632679f0677c3b59e7136bac1999f4

SHA1
7bb5f1fa06531f7102904b390663c062c313cad9

SHA256
c4f991235dc17424333b6438de30893ae1f32faa30b612f7d84adf9323aea15d

SHA512
38eb31d730f1d890c6f4e4bfb15a7116c40915ea730522dc8eb880a86fdfa5984a4233ece66edf18a2553c7db956d51caad1ca37fdaeebe015056f62d6a1a325

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\a42b5e32e50f93b2fa634e583b22f28ae22574bffd417e7119c741a36aa8ca70.exe

Filesize
1.8MB

MD5
79632679f0677c3b59e7136bac1999f4

SHA1
7bb5f1fa06531f7102904b390663c062c313cad9

SHA256
c4f991235dc17424333b6438de30893ae1f32faa30b612f7d84adf9323aea15d

SHA512
38eb31d730f1d890c6f4e4bfb15a7116c40915ea730522dc8eb880a86fdfa5984a4233ece66edf18a2553c7db956d51caad1ca37fdaeebe015056f62d6a1a325

Download Submit
memory/1096-56-0x0000000000000000-mapping.dmp

Download
memory/1096-59-0x0000000074821000-0x0000000074823000-memory.dmp

Filesize
8KB

Download
memory/1972-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads