Analysis
-
max time kernel
50s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
24-05-2022 01:23
Static task
static1
Behavioral task
behavioral1
Sample
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe
Resource
win10v2004-20220414-en
General
-
Target
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe
-
Size
273KB
-
MD5
c388e87f1e4f31ec55f155749df1854f
-
SHA1
6ebe5db1c8751686cd85a90d919b73ea5f246c89
-
SHA256
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef
-
SHA512
2ecbe1ad25aa245d579e4f765ab85187b11e4dad19af6fef8781811a6944398bccaea3fad738c73b541f94873cd09e3d233366155e049c0d32e95ebf3d3facdf
Malware Config
Signatures
-
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
-
Executes dropped EXE 1 IoCs
Processes:
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exepid process 2424 eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe -
Drops file in Program Files directory 14 IoCs
Processes:
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exedescription ioc process File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe -
Drops file in Windows directory 1 IoCs
Processes:
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exedescription ioc process File opened for modification C:\Windows\svchost.com eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3552 2424 WerFault.exe eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe -
Modifies registry class 1 IoCs
Processes:
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exedescription pid process target process PID 3288 wrote to memory of 2424 3288 eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe PID 3288 wrote to memory of 2424 3288 eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe"C:\Users\Admin\AppData\Local\Temp\eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe"1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3288 -
C:\Users\Admin\AppData\Local\Temp\3582-490\eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe"2⤵
- Executes dropped EXE
PID:2424 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2424 -s 9723⤵
- Program crash
PID:3552
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 452 -p 2424 -ip 24241⤵PID:4480
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\3582-490\eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe
Filesize233KB
MD5a8fee8f535c073bec67a9e240e0efef7
SHA1d26467643ab9f26da1b2d58e6757a1deedc7765e
SHA256583112111ec2038d31bd2fc1a6a1f2b77e9ca0306fbf957fffcfe491e082fb90
SHA512c9e95d8abc8ce334abebc8f087361c9fcd58e9fe6c832a551f252b32f8948dd630d6c54b3e45cc19573171ac71b2b032df3ac71388392789846cce57d411223c
-
C:\Users\Admin\AppData\Local\Temp\3582-490\eb78d59cc372f65a13acff914d45d6f38d532405d338facc48dae2f24fb791ef.exe
Filesize233KB
MD5a8fee8f535c073bec67a9e240e0efef7
SHA1d26467643ab9f26da1b2d58e6757a1deedc7765e
SHA256583112111ec2038d31bd2fc1a6a1f2b77e9ca0306fbf957fffcfe491e082fb90
SHA512c9e95d8abc8ce334abebc8f087361c9fcd58e9fe6c832a551f252b32f8948dd630d6c54b3e45cc19573171ac71b2b032df3ac71388392789846cce57d411223c