wannacry | a8b78cd3a80ee1cc8480b956e6b8879c499b57f2f1387a84de75c92e7d3314c1

General

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 discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3340) 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

2728 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

pid	process
2728	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe

description ioc process

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

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

Modifies data under HKEY_USERS 24 IoCs

Processes:

288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9D3BAE1-C1C5-4740-92E6-2AB005C20F0F}	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9D3BAE1-C1C5-4740-92E6-2AB005C20F0F}\WpadDecisionTime = 300e0574d4a1da01	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-84-12-8a-13-61\WpadDecisionTime = 300e0574d4a1da01	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ec000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-84-12-8a-13-61	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-84-12-8a-13-61\WpadDecision = "0"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9D3BAE1-C1C5-4740-92E6-2AB005C20F0F}\WpadDecisionReason = "1"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9D3BAE1-C1C5-4740-92E6-2AB005C20F0F}\WpadDecision = "0"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9D3BAE1-C1C5-4740-92E6-2AB005C20F0F}\WpadNetworkName = "Network 3"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
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\AutoDetect = "1"	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9D3BAE1-C1C5-4740-92E6-2AB005C20F0F}\42-84-12-8a-13-61	288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-84-12-8a-13-61\WpadDecisionReason = "1"	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:1848

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2728

C:\Users\Admin\AppData\Local\Temp\288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\288f972bc589a7bc7a9d3021956949d2_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
33dde3e4345ce147a86304305b89fdc4

SHA1
906273b5e38635a93e76327a8a42121d9a975dd6

SHA256
b98a1efd5f85f581f6321d69aed5b9bbe7c8d996665cc125d9ec83a5b1cc239e

SHA512
438e19e9ffb17b5521d2e3c0ceab77b26e4a16d7eb6c12ca96b2d76fb9ab8be3d3355e3cc484897e8e206bbcdbe7563dcda39dc8c98b72d81528ba00e30e5fae

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