wannacry | 10b4abb3f48e37d5ff1819bd2015dc56223ebf6b63b48739613eab78e4d15868

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 20:43

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General

Target

2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.exe
Size

3.6MB
MD5

013b386ee004c0bec50184c1e9ea9651
SHA1

ea3b21f7c65e3e8429dc8d7df70bf90338a08990
SHA256

10b4abb3f48e37d5ff1819bd2015dc56223ebf6b63b48739613eab78e4d15868
SHA512

ef4a0627c4687f81c7b9eb84df33954dafa084b39d8c9d023bc3d85d9287ed72b658f30e4d390853892a550c422a56a0d1fc071b9ef6e2fd958ad35ecaa38d13
SSDEEP

49152:YnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM:I8qPoBhz1aRxcSUDk36SAEdhvxW

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3127) 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
2788	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.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	2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2244
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2788

C:\Users\Admin\AppData\Local\Temp\2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-29_013b386ee004c0bec50184c1e9ea9651_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- 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
4560ce126cc34e33839f4bafbeb801b0

SHA1
ad3d81e70e7206fa255c12cbd3f863dfb72fb12c

SHA256
5facb4bca8b6a43fcf064b33c80c8727633fdc2532b2e66402b5cd954109cde0

SHA512
1aa20fe3e776def514c3b6035ff17e19373d07f0f4d8a39144484b31a8ba6368357d9db07b99e544ed27f7ee4856fd4fe50fea7f5aa7e85e408da7645f036d03

Download Submit
memory/2244-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2244-6-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2784-1-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2784-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download