wannacry | cc65535243dfd3cd54a9c5ecfcb93c7f918a87c725e9c52925017ab92effe278

Resubmissions

15-10-2024 03:47

241015-ecgjlashrh 10

05-08-2024 04:49

240805-ffygys1eke 10

05-08-2024 03:50

240805-eee4jszepd 10

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 04:49

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General

Target

2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe
Size

5.0MB
MD5

e868a305cfda3903526adc37daf56e6d
SHA1

11148b1bafb29ffbd30ab3eccc88de9648b756a8
SHA256

2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7
SHA512

bcb38bdb1faf2ef6a112e2f63c06d8423f649939f074228a78ff72f80abe313e9238801a059a3a931523157ac7ce71b52f49cb30fb7de5f4f3125fa7556c7b15
SSDEEP

98304:YDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:YDqPe1Cxcxk3ZAEUadzR8yc4

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3252) 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

Processes:

tasksche.exe

pid	Process
1980	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

Processes:

2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.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

Processes:

2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe

C:\Users\Admin\AppData\Local\Temp\2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe
"C:\Users\Admin\AppData\Local\Temp\2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2056
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1980

C:\Users\Admin\AppData\Local\Temp\2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe
C:\Users\Admin\AppData\Local\Temp\2b331aa02af211be4b0491a173e17e09993f5d0a1900271b97b41daae740aeb7.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4568

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
c531c026d783b08cc15333f87fe2f1d0

SHA1
0ecb6a99c9c413e1a0eb0bc8394f0c85014224f8

SHA256
a2d7fccbb2559daf1107c9382c2710b429b00d630d47a55e3546a9fbe8c139f9

SHA512
90525b835dc81b410b57654f4e8528c0255a47917a8c00f0f2e24c54455dcdc3715b464e6eee17f824ee8b3f70b78ef5a332ebe8e2f6ccf6beb5e7c931d218d8

Download Submit
memory/2056-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2056-5-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/4568-1-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/4568-6-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download