wannacry | 34655064ada549dd770e56bf37110afb04b9b387f28b2f98ce8e3b1a7a821cdc

General

Target

46f5d06f1ca33e107a9d70b1937fdbd4.exe
Size

3.6MB
MD5

46f5d06f1ca33e107a9d70b1937fdbd4
SHA1

4f5d5eb603fe6bffe4fdedf9035da447822d51f7
SHA256

34655064ada549dd770e56bf37110afb04b9b387f28b2f98ce8e3b1a7a821cdc
SHA512

0ead60754e6bb44d66ea9976d143b719e74237f4f486488015d3875d2955f153f9efb584d18bd158ce34707b4f0824a0c05569e9773441153c569d201b585565
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626Wo/GsL9XEkI:2nAQqMSPbcBVQej/1INRAW+Gs/I

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1278) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

1760 tasksche.exe

pid	process
1760	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

46f5d06f1ca33e107a9d70b1937fdbd4.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	46f5d06f1ca33e107a9d70b1937fdbd4.exe

Drops file in Windows directory 1 IoCs

Processes:

46f5d06f1ca33e107a9d70b1937fdbd4.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 46f5d06f1ca33e107a9d70b1937fdbd4.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	46f5d06f1ca33e107a9d70b1937fdbd4.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

46f5d06f1ca33e107a9d70b1937fdbd4.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A6E584D-80D2-4A61-9921-68D8E30B4145}\WpadDecisionReason = "1"	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-92-cf-df-d3-b1\WpadDecisionTime = e0826f3ccbc3d801	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A6E584D-80D2-4A61-9921-68D8E30B4145}\WpadDecisionTime = e0826f3ccbc3d801	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-92-cf-df-d3-b1\WpadDecisionReason = "1"	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A6E584D-80D2-4A61-9921-68D8E30B4145}\WpadNetworkName = "Network 3"	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-92-cf-df-d3-b1	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A6E584D-80D2-4A61-9921-68D8E30B4145}\WpadDecision = "0"	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A6E584D-80D2-4A61-9921-68D8E30B4145}\0e-92-cf-df-d3-b1	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A6E584D-80D2-4A61-9921-68D8E30B4145}	46f5d06f1ca33e107a9d70b1937fdbd4.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-92-cf-df-d3-b1\WpadDecision = "0"	46f5d06f1ca33e107a9d70b1937fdbd4.exe

C:\Users\Admin\AppData\Local\Temp\46f5d06f1ca33e107a9d70b1937fdbd4.exe
"C:\Users\Admin\AppData\Local\Temp\46f5d06f1ca33e107a9d70b1937fdbd4.exe"
1⤵
- Drops file in Windows directory
PID:1784

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1760

C:\Users\Admin\AppData\Local\Temp\46f5d06f1ca33e107a9d70b1937fdbd4.exe
C:\Users\Admin\AppData\Local\Temp\46f5d06f1ca33e107a9d70b1937fdbd4.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2020

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

1

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
735426d9039c4942a54dfa6230a8538f

SHA1
552ad4e47280624823ad4a5514a0b889b69b8c76

SHA256
db2fded9b3242a08ad836093a6dac507f5deaf8b09c077f27857194b4c31fd44

SHA512
3d7d591ee69dc9104809711a7137560bd22c0ad9145fabe3f5766414906496b7381f3cde1b0e240208a6a7d3310574f3c445a32a2ceb6966f2123b4ea4339f54

Download Submit
memory/1784-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download

Analysis

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