wannacry | 639b2f700ab59d07ab8d6fb191b7609db91cae04ae6685944eb6473efcc9292a

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 07:21

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General

Target

718a1a03b6d79f7687411b084c0df570N.exe
Size

3.6MB
MD5

718a1a03b6d79f7687411b084c0df570
SHA1

f2c2c8aa377b4a6cdc57d3a54eed997952968e80
SHA256

639b2f700ab59d07ab8d6fb191b7609db91cae04ae6685944eb6473efcc9292a
SHA512

0cb96334dfea2fa0ea585b63eec031a1b5b642dfc82309214bb4fe1bf66191b74a85c381d493a12d9230d24806adf61041e0e9b0c8fb80c146f344205fe79f38
SSDEEP

12288:GwbLgPluxQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7:VbLgdeQhfdmMSirYbcMNge

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2391) 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
948	tasksche.exe

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	718a1a03b6d79f7687411b084c0df570N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	718a1a03b6d79f7687411b084c0df570N.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	718a1a03b6d79f7687411b084c0df570N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	718a1a03b6d79f7687411b084c0df570N.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	718a1a03b6d79f7687411b084c0df570N.exe

C:\Users\Admin\AppData\Local\Temp\718a1a03b6d79f7687411b084c0df570N.exe
"C:\Users\Admin\AppData\Local\Temp\718a1a03b6d79f7687411b084c0df570N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2524
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:948

C:\Users\Admin\AppData\Local\Temp\718a1a03b6d79f7687411b084c0df570N.exe
C:\Users\Admin\AppData\Local\Temp\718a1a03b6d79f7687411b084c0df570N.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2140

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
74b2424f49de17d7558ad87cf50e49b0

SHA1
e7cd34eb4bf68710f5a5fe491760dc451f8bf329

SHA256
bbf77f0b91cc94cda5cd67326b53ef8bc470f3ffb8c25749675c197118e49364

SHA512
df9e51ce895291a0d1cda98713d54853c68e58dce7569dd61e1e6b9301cf6a74d160ccf9974ce9f2bb8896baf6500d7c4b9342a42f51662b2a3ac1cdefed7ebb

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