wannacry | 9ef8d5fab2d65142696e79b1d5cf244b75f13f91651392b381a096916e762110

General

Target

c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Size

3.6MB
MD5

c5d6726c45c63d76777a05a315110e5b
SHA1

ec1e3f6eb82d8c9a73ecfbfd5bedc3bc7fe02899
SHA256

9ef8d5fab2d65142696e79b1d5cf244b75f13f91651392b381a096916e762110
SHA512

313bb932958465a691304213f8e37515142fac87cbd0d4f874bbd84b837817943044a55a24a39ff7680fc8d5b54d5ee8e286b67f3726bf04c6d8844c54196ab3
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdh+3R8yAVp26:yDqPe1Cxcxk3ZAEUR8yc46

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2964) 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

pid	Process
2980	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.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	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-37-ad-7a-65-45\WpadDecisionTime = 2086e287cef8da01	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A1CD8F9-A362-4AFF-9572-465D6666AA16}	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A1CD8F9-A362-4AFF-9572-465D6666AA16}\WpadDecisionReason = "1"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A1CD8F9-A362-4AFF-9572-465D6666AA16}\WpadDecision = "0"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A1CD8F9-A362-4AFF-9572-465D6666AA16}\WpadDecisionTime = 2086e287cef8da01	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A1CD8F9-A362-4AFF-9572-465D6666AA16}\a2-37-ad-7a-65-45	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-37-ad-7a-65-45\WpadDecisionReason = "1"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7A1CD8F9-A362-4AFF-9572-465D6666AA16}\WpadNetworkName = "Network 3"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-37-ad-7a-65-45	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-37-ad-7a-65-45\WpadDecision = "0"	c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2296
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2980

C:\Users\Admin\AppData\Local\Temp\c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c5d6726c45c63d76777a05a315110e5b_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2416

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
c25fccd9456bd3c56d2f6478f4a51f6d

SHA1
4be8c5b95bcbd418dd5b2788c24e71baad12058d

SHA256
6e2c993bb262b9c63c4613fc946cc0c7fe75f6c424e812ca4227bcea7c5e384e

SHA512
2e2bba76b71258c67abde614706fc781156abbfda388e811504e6fdf7b372fad04fd2819a99d0f4b5fdbf34e08234d07b6cc2d0876aa6ecffb66c8f7f8ec3a89

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Analysis

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