wannacry | dbfcf91942e2a5bb977eba577ef3814a0a86726b1def254081254cf367dfb889

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 18:42

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General

Target

c967291110370026941a2ca733c93d8c_JaffaCakes118.exe
Size

3.6MB
MD5

c967291110370026941a2ca733c93d8c
SHA1

82180e9cc14a56d131580b6d18cd91f571394c34
SHA256

dbfcf91942e2a5bb977eba577ef3814a0a86726b1def254081254cf367dfb889
SHA512

6d48b94d8c29233737163a746338b8be6e547519cff0301e8dca59e7e091c7e28abd6216dd714d8fdd1aac59962356ba8c65822a23a3214b2ce7d806543e4649
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA+Eau3R8yAH1plA:yDqPoBhz1aRxcSUDk36SAw3R8yAVp2

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3300) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
2612	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 Discovery
T1046

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	c967291110370026941a2ca733c93d8c_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c967291110370026941a2ca733c93d8c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c967291110370026941a2ca733c93d8c_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	c967291110370026941a2ca733c93d8c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c967291110370026941a2ca733c93d8c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c967291110370026941a2ca733c93d8c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c967291110370026941a2ca733c93d8c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c967291110370026941a2ca733c93d8c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c967291110370026941a2ca733c93d8c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c967291110370026941a2ca733c93d8c_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:388
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2612

C:\Users\Admin\AppData\Local\Temp\c967291110370026941a2ca733c93d8c_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c967291110370026941a2ca733c93d8c_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
542607065b901fe836936a56bf584a9a

SHA1
731cebf86e50af4be7fa1d4e294507e2d59b2a61

SHA256
34dfcbc0eece14ec0b79c093a66efe1c5e3647689bd0368205370a81e9f817fd

SHA512
982db46cb4a43eed670e9130b64fc928efd2947546e10b79d2f35f6b526e432fa7b4a04854daea1d1ac41fd1365fc1f7bc738c54bd7b437f6ff494e37c308c99

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