wannacry | 4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 03:43

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General

Target

4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe
Size

3.6MB
MD5

2881dcec8784a58b7ca35526929f06f0
SHA1

e74c5e828031d5df27a8db840146d2a7dfa90874
SHA256

4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378
SHA512

851220c1dcf98befefdb3f244abeecfb53ecaca4488c1670b578abae3aa5539a9c4cc7fbf3a127460326c21dc1aeaa5386c91513afab3ffccb52d329ba46e374
SSDEEP

24576:VbLgdeQhfdmMSirYbcMNgef0QeQjG/D8kIqc+9kEmzKAxGqcCZA:VnjQqMSPbcBVQej/1IKQBA

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 (2445) 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
2176	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	4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.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	4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe

C:\Users\Admin\AppData\Local\Temp\4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe
"C:\Users\Admin\AppData\Local\Temp\4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2112
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2176

C:\Users\Admin\AppData\Local\Temp\4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe
C:\Users\Admin\AppData\Local\Temp\4028d63190bab7ed15140842ce0e0bfac2772bbf528ffa76cd55b97f5004a378N.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2524

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
3.4MB

MD5
5b9b946ff68efdec98f3be57f92e427b

SHA1
8bf852917b57079a2caa87029848c6f2e84c51ec

SHA256
80a7bd6d9a7b5945f66478e9a5ff96a91a28c64336f5245e7f7fc2aeaa752b01

SHA512
4702c354f68048d32678452052718f401fa9a90e024ea54c337866faf22a92ecacba9c73dc8fb5dc4a8ae8e74be0c3ad44d06783f14bd4bb0c60554ba232f75c

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