wannacry | e3ffc8cc1a73e81b27acf78c3077e753992173aea73dd8b0dc7313f5711f1fd2

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220718-en
resource tags

arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2022, 07:16

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General

Target
e882b21729ff015a0b99b723b459f28e.dll
Size 5.0MB
Sample220720-h3s7vsdad4
SHA256 e3ffc8cc1a73e81b27acf78c3077e753992173aea73dd8b0dc7313f5711f1fd2
MD5 e882b21729ff015a0b99b723b459f28e
SHA1 ea09f019de9cbd8c1b06e405e4724232ffd4b5f9
SHA512 54ef074d8de3c6435889ad9ca53b297631fd3a67164c758639661a60fc1fcfc468fca2f21478d2c8ad2a8997c35a21d306eb2de8631564601c937e2da71d54b7
MD5 SHA1 SHA512

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3178) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046

Executes dropped EXE 3 IoCs

pid	Process
1856	mssecsvc.exe
2052	mssecsvc.exe
728	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 Scanning
T1046

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\mssecsvc.exe	rundll32.exe
File created	C:\WINDOWS\tasksche.exe	mssecsvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 3860	3488	rundll32.exe	79
PID 3488 wrote to memory of 3860	3488	rundll32.exe	79
PID 3488 wrote to memory of 3860	3488	rundll32.exe	79
PID 3860 wrote to memory of 1856	3860	rundll32.exe	80
PID 3860 wrote to memory of 1856	3860	rundll32.exe	80
PID 3860 wrote to memory of 1856	3860	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e882b21729ff015a0b99b723b459f28e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e882b21729ff015a0b99b723b459f28e.dll,#1
  2⤵
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:3860
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:1856
  - - C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      4⤵
      Executes dropped EXE
      PID:728

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
1⤵
- Executes dropped EXE
PID:2052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

mssecsvc.exe

Path C:\WINDOWS\mssecsvc.exe
Size 3.6MB
SHA256 ce26aea7647a6c1489d4453be17f7adbe3455d9af14fa9232efc8be0c515e074
MD5 4a4e049bd0ffe8a8b4a0326222fb52e0
SHA1 6d9a73c29f360db11d995aa5388b6b7547115a91
SHA512 7a5fbc0c316e80ac37ea9422235b855571acb10f83b593aba5c117bcf83a3b5033af55b283c818f426cbb40ee5bae0c95d440d0c99a79609f47cdec2b9fc9352
SSDEEP 49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9
MD5 SHA1 SHA512 SSDEEP

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mssecsvc.exe

Path C:\Windows\mssecsvc.exe
Size 3.6MB
SHA256 ce26aea7647a6c1489d4453be17f7adbe3455d9af14fa9232efc8be0c515e074
MD5 4a4e049bd0ffe8a8b4a0326222fb52e0
SHA1 6d9a73c29f360db11d995aa5388b6b7547115a91
SHA512 7a5fbc0c316e80ac37ea9422235b855571acb10f83b593aba5c117bcf83a3b5033af55b283c818f426cbb40ee5bae0c95d440d0c99a79609f47cdec2b9fc9352
SSDEEP 49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9
MD5 SHA1 SHA512 SSDEEP

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mssecsvc.exe

Path C:\Windows\mssecsvc.exe
Size 3.6MB
SHA256 ce26aea7647a6c1489d4453be17f7adbe3455d9af14fa9232efc8be0c515e074
MD5 4a4e049bd0ffe8a8b4a0326222fb52e0
SHA1 6d9a73c29f360db11d995aa5388b6b7547115a91
SHA512 7a5fbc0c316e80ac37ea9422235b855571acb10f83b593aba5c117bcf83a3b5033af55b283c818f426cbb40ee5bae0c95d440d0c99a79609f47cdec2b9fc9352
SSDEEP 49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9
MD5 SHA1 SHA512 SSDEEP

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tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 d01f3ea0b7ad15451878ddc310e6e15648075f20cfc27bc1f0c440c8694c0f4f
MD5 3b93c9540c3f1dc1541ec1eef1e80e80
SHA1 b59e9dabdf4582a0151c72ba6f5ddfe4b292223d
SHA512 7dbbfe9eae952d1f046c4a3149f32f3238aae73694c83fa9d1efe278b5eeadcfc0baa9987f15c3aca88a8a7f8dd87a4f1a516ccedc4f1fb5f77f23286f215809
SSDEEP 49152:nQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:QqPoBhz1aRxcSUDk36SAEdhvxWa9
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads