wannacry | db4d14f093e45ea46e4b792d4204eaffd827d1432e1065939301bfab2810edb3

General

Target

748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Size

3.6MB
MD5

748e89a4d72ef360f7bbcfb34b5d5280
SHA1

d4ce6cce98af38827238bb5bad4ba58d5ebce11f
SHA256

db4d14f093e45ea46e4b792d4204eaffd827d1432e1065939301bfab2810edb3
SHA512

5135a356db62d269605987f0917e709b73a791e6519d7cfeaecdf67641bf60ce325c4426f3eacac18dbfe2e987009f9dfa3d4686ff23310a0e4ebc0e5b846d03
SSDEEP

49152:2nAQqMSPbcBV21HkQo6SAARdhnvxJM0H9PAMEcaEau:yDqPoBmk36SAEdhvxWa9P59

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3253) 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

2592 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
2592	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\WpadNetworkName = "Network 3"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-0d-03-16-96-cc\WpadDecisionReason = "1"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-0d-03-16-96-cc\WpadDecisionTime = b01759bb33afda01	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\WpadDecisionTime = b01759bb33afda01	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\WpadDecision = "0"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00dc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\WpadDecisionReason = "1"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-0d-03-16-96-cc	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\32-0d-03-16-96-cc	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-0d-03-16-96-cc\WpadDecision = "0"	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:1704

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2592

C:\Users\Admin\AppData\Local\Temp\748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\748e89a4d72ef360f7bbcfb34b5d5280_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2448

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
c1e4e8b455623ee18b910e1ff82aee86

SHA1
9c3280b86e95a1ab43f7bb1b473ed5b28f06f4a2

SHA256
240c0000a871ff8faad03a5af760ae39424f83295bb771b2186109a5008b4749

SHA512
7551a4d46f178bd31f399655d06a4d51ad119a5df7910d628ed18c7d8311080ad6c529754be2cfd9f2a0ae9b0cb161873d98869238b6e08bc77395068257bbd4

Download Submit

Analysis

Sharing