wannacry | 5e6fbb054577a81a86e1561b7bfc1d10504a8d693b5bb34d0f11b86db3e76193

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2025, 16:26

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General

Target

2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
Size

5.0MB
MD5

aeafada8e6842bd74ccd8c7718e070ce
SHA1

2e3eec7f6361ad7d385bf033138b5cb62b6f9a05
SHA256

5e6fbb054577a81a86e1561b7bfc1d10504a8d693b5bb34d0f11b86db3e76193
SHA512

2c382ba4031d3bda98f50cfabbf5eb4e491f4d35316c609137d78ef9e6a9fba00ed3588415621bfef38916fdb3241e5a6f71572f90715d012ad40cc3d639cd77
SSDEEP

12288:e1bLgmluCti62WfSm0iEcQhfYNVUy7ckPU82900Ve71qiAJjjjSzzzjzzzQDDDTl:QbLguriIfEcQdIVUacMNge

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (2168) 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
2868	tasksche.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
File created	C:\Windows\__tmp_rar_sfx_access_check_240672875	tasksche.exe
File created	C:\Windows\eee.exe	tasksche.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasksche.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2868	2244	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe	92
PID 2244 wrote to memory of 2868	2244	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe	92
PID 2244 wrote to memory of 2868	2244	2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe	92

C:\Users\Admin\AppData\Local\Temp\2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2868

C:\Users\Admin\AppData\Local\Temp\2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-19_aeafada8e6842bd74ccd8c7718e070ce_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:456

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

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Downloads

C:\Windows\tasksche.exe

Filesize
2.0MB

MD5
22c9cf30ef878ac1d75e83e6e4923342

SHA1
142071c7436fbf77d8eeeb430773ae2151e96914

SHA256
562af7f701d9f4423f57606e3b3ab832512ef0649734224e784b57a7c0571412

SHA512
a33cefe35c0c3ea9a4cf24e6dedf3102fecbf821d959668f94f6bad6a281846433fbf3a83bf571e34d9a643e9e3fe60399883c795493f1133f0a7c03115f0274

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