wannacry | 727e7cfd9b2d8cd1b877c949e3fe788da55457e154766bd8a1ad0d1b6625e63b

General

Target

32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Size

3.6MB
MD5

32264f7f93e5bc059a4e45e2ae6e4ff4
SHA1

31fe65c421125b69504f5f4e6d5ff2895d7d08d2
SHA256

727e7cfd9b2d8cd1b877c949e3fe788da55457e154766bd8a1ad0d1b6625e63b
SHA512

984b0e70d101af29398ec7bca4c9b65fd2e6884ef4e3902e1417c117fd99d038a432e947e6eab4922dd34fa02a7d795bb1657a3f557737f3d44a51ee2d8e4a2a
SSDEEP

98304:XDqPoB5aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:XDqP0Cxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3350) 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

2680 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
2680	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C84FC65-15C2-406C-9903-3C1C16E6377D}\WpadDecisionTime = 50f49cc146a3da01	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C84FC65-15C2-406C-9903-3C1C16E6377D}\32-b0-64-be-ac-da	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b0-64-be-ac-da\WpadDecisionReason = "1"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C84FC65-15C2-406C-9903-3C1C16E6377D}\WpadDecision = "0"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b0-64-be-ac-da	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C84FC65-15C2-406C-9903-3C1C16E6377D}\WpadDecisionReason = "1"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b0-64-be-ac-da\WpadDecision = "0"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b0-64-be-ac-da\WpadDecisionTime = 50f49cc146a3da01	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C84FC65-15C2-406C-9903-3C1C16E6377D}	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C84FC65-15C2-406C-9903-3C1C16E6377D}\WpadNetworkName = "Network 3"	32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:1148

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2680

C:\Users\Admin\AppData\Local\Temp\32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\32264f7f93e5bc059a4e45e2ae6e4ff4_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2240

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
26ce97a3b6b64ce15eb1073820fd6484

SHA1
d930e5771839dde7fc9aa7dfe057ecd7d6b6284e

SHA256
da69a152139223d3be36ff3d97ebd8708d16ea45ab7535ad70c5dc7f5fff4e29

SHA512
4d3be82b69a2b8c2b8a60389884a4560e25f1b44ed0b27c212172821ac511a8d1a7e7ea39f3c8e21dfb7d99d521245bb5680d01dfed40cede04a026af1e665a2

Download Submit

Analysis

Sharing