wannacry | 1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2022 15:00

Target

1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe
Size

3.6MB
MD5

be1958914284592f775bc245b5bf0b3f
SHA1

c9fa74053e26ff5902e9ba459703820d0a03e540
SHA256

1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc
SHA512

c0ec0373bf670f99968368d1cc582bb74c103f21c3b347102e08910e0b673a36bf1f1e8c24b2f3f6583ab8d2faa2803a7f62d14c510512c5aec245c4211058d6
SSDEEP

24576:XbLgddQhfdmMSirYbYagd/2D6O5RTHo12gv5kC:XnAQqMSPbYz+DW1Jv5

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3325) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

4784 tasksche.exe
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
Drops file in Windows directory 1 IoCs

Processes:

1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe

pid	process
4784	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe

C:\Users\Admin\AppData\Local\Temp\1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe
"C:\Users\Admin\AppData\Local\Temp\1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe"
1⤵
- Drops file in Windows directory
PID:2864

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:4784

C:\Users\Admin\AppData\Local\Temp\1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe
C:\Users\Admin\AppData\Local\Temp\1cb50db0322692be5612fed491a58fc79e87a0434603db2f108ddd1153a61bdc.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:388

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
a9564ee26ea4cb298740f3e32536f9e8

SHA1
9971e15ec99ba8da68602ce008bdaac9388d2af4

SHA256
73c6cb0af26ca9226dae2f301a2adc691e99d672f1dbc809a9cdb2153866e994

SHA512
a6c1603436db8a2bd4b66c66e05db544b6b0b94c3d8addae871d0bfb05f270f3dcff7651611202dcd9a2f99623ffe1bb486e0fdab18a289af3d84739cae8b176

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