Overview
overview
10Static
static
3Security.exe
windows7-x64
1Security.exe
windows10-2004-x64
1Security_x64.exe
windows7-x64
1Security_x64.exe
windows10-2004-x64
1Setup1.exe
windows7-x64
3Setup1.exe
windows10-2004-x64
3hh.exe
windows7-x64
1hh.exe
windows10-2004-x64
1mssecsvc.exe
windows7-x64
10mssecsvc.exe
windows10-2004-x64
10qeriuwjhrf.exe
windows7-x64
qeriuwjhrf.exe
windows10-2004-x64
tasksche.exe
windows7-x64
tasksche.exe
windows10-2004-x64
Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
15-04-2024 13:35
Static task
static1
Behavioral task
behavioral1
Sample
Security.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Security.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
Security_x64.exe
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
Security_x64.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
Setup1.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
Setup1.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral7
Sample
hh.exe
Resource
win7-20240215-en
Behavioral task
behavioral8
Sample
hh.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral9
Sample
mssecsvc.exe
Resource
win7-20240319-en
Behavioral task
behavioral10
Sample
mssecsvc.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral11
Sample
qeriuwjhrf.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
qeriuwjhrf.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral13
Sample
tasksche.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
tasksche.exe
Resource
win10v2004-20240226-en
General
-
Target
mssecsvc.exe
-
Size
3.6MB
-
MD5
2cb069c56956bb9b6e62d393758d61a7
-
SHA1
220f4451f7ec2de03b482ddcf28c6ecda3e5366f
-
SHA256
0791f5ae5cbeec298082736457292521b23874ae0e77506c4ea12e65e3d2e52f
-
SHA512
13f47349f24593b4a0eb3094e816cf5c4bc826dc9a08c0ec9f5a4a55a17412b59fc6cfb2dcadbe1222c35e6d991e05605bf7db98b53557a2c128e831171babf3
-
SSDEEP
98304:yDqPoO1aRxcSUDk36SAEdhvxWa9P593RU:yDqPj1Cxcxk3ZAEUadzRU
Malware Config
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Contacts a large (3252) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
-
Executes dropped EXE 1 IoCs
Processes:
tasksche.exepid process 384 tasksche.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
-
Drops file in Windows directory 1 IoCs
Processes:
mssecsvc.exedescription ioc process File created C:\WINDOWS\tasksche.exe mssecsvc.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
mssecsvc.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" mssecsvc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\mssecsvc.exe"C:\Users\Admin\AppData\Local\Temp\mssecsvc.exe"1⤵
- Drops file in Windows directory
PID:436 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:384
-
C:\Users\Admin\AppData\Local\Temp\mssecsvc.exeC:\Users\Admin\AppData\Local\Temp\mssecsvc.exe -m security1⤵
- Modifies data under HKEY_USERS
PID:1828
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3.4MB
MD5d59d6d48c3d6e9292c296e557a186391
SHA17f0916d7befcf929521087cde11b6d94d7331154
SHA256905ad8e2fc1f98ab1e934de1d01d85973291ccadd41c85ba1a7dcc3b2af6ed96
SHA5127b2fc97070ac47e6596cfe0da96b1b1369feeb4ab62af136f172ee306187cee3e04b68b8f786d7b4b4dee49054d53a33cd8048abdc8cba9853b3e119a08ac23e