wannacry | a8b78cd3a80ee1cc8480b956e6b8879c499b57f2f1387a84de75c92e7d3314c1

Analysis

max time kernel
154s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 05:47

Target

288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Size

3.6MB
MD5

288f972bc589a7bc7a9d3021956949d2
SHA1

e360c0a8201db8dc8e40615f695d5036d7dc5f69
SHA256

a8b78cd3a80ee1cc8480b956e6b8879c499b57f2f1387a84de75c92e7d3314c1
SHA512

6dc08590c96adbb397b5a212e5a7fb44a9e44f3f64877c76bbc6f2bb60ffb5939c88f6533ca4c1cc33a3cb30d376656ab3a2d9aedc5c63f65f75989e566cf6c7
SSDEEP

49152:2nAQqMSPbcBVQej/1Rx+TSqTdX1HkQo6SAARdhnvxJM0H9:yDqPoBhz1RxcSUDk36SAEdhvxWa9

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2655) 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

Processes:

tasksche.exe

pid process

3156 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 Windows directory 1 IoCs

Processes:

288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe

pid	process
3156	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:824

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:3156

C:\Users\Admin\AppData\Local\Temp\288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:1184

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:2464

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
33dde3e4345ce147a86304305b89fdc4

SHA1
906273b5e38635a93e76327a8a42121d9a975dd6

SHA256
b98a1efd5f85f581f6321d69aed5b9bbe7c8d996665cc125d9ec83a5b1cc239e

SHA512
438e19e9ffb17b5521d2e3c0ceab77b26e4a16d7eb6c12ca96b2d76fb9ab8be3d3355e3cc484897e8e206bbcdbe7563dcda39dc8c98b72d81528ba00e30e5fae

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