wannacry | 27e6855e7541b7f4c6363c1a119be5f339e571d8e34fa3a250e8fb8d185aa201

Resubmissions

11-01-2025 15:44

250111-s6tmxavpbk 3

11-01-2025 15:27

250111-sv4zhasmbz 10

11-01-2025 14:58

250111-scab6strhn 10

Analysis

max time kernel
25s
max time network
28s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
11-01-2025 15:27

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General

Target

2025-01-11_e6913dea6b19f7d4ed06737268cd6530_wannacry.exe
Size

5.0MB
MD5

e6913dea6b19f7d4ed06737268cd6530
SHA1

8f766c40ff82a724f990bfeec403e956106ea76e
SHA256

27e6855e7541b7f4c6363c1a119be5f339e571d8e34fa3a250e8fb8d185aa201
SHA512

62bef30c44f5386626dfc9283818483538d66dce21d9e1598297567c860cea2b98a02a01aa45b3fcc6108da3e3318412d62aa86fe9ac1c139a6fa08acdce69bc
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAR:Z8qPoBhz1aRxcSUDk36SAE

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry

Executes dropped EXE 1 IoCs

pid	Process
2984	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-11_e6913dea6b19f7d4ed06737268cd6530_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	2025-01-11_e6913dea6b19f7d4ed06737268cd6530_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-11_e6913dea6b19f7d4ed06737268cd6530_wannacry.exe

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3973800497-2716210218-310192997-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3973800497-2716210218-310192997-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3973800497-2716210218-310192997-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-3973800497-2716210218-310192997-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-11_e6913dea6b19f7d4ed06737268cd6530_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-11_e6913dea6b19f7d4ed06737268cd6530_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1224
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2984

C:\Users\Admin\AppData\Local\Temp\2025-01-11_e6913dea6b19f7d4ed06737268cd6530_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-11_e6913dea6b19f7d4ed06737268cd6530_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:1392

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\9d2c5981-ddf9-459b-a5b8-33ea8324b161.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

Download Submit
C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
fc32279210809efe32205057d321f223

SHA1
73e1e2971884a36780e38957f9f648c600215f50

SHA256
07e58fc1ce2bd6de6d6dfc543efd4fbec113d5456af1774cf2d180d601187b7d

SHA512
25e5e640114bef985db923e50fad67301d4804ae453d23de0c91cc81a67f79ae846385771129b8afed26d916bd24e1b9241e4a4997ec721c2185ea0e4a8b7043

Download Submit