wannacry | 1b519d3c9e1032164f405a499e5bab8bb1679b8ef545c910ef967c4961148edd

General

Target

13c48f1c0755effc4376bfa52f387d3c.exe
Size

2.2MB
MD5

13c48f1c0755effc4376bfa52f387d3c
SHA1

0ac1498a610347334450f1918bab617579914612
SHA256

1b519d3c9e1032164f405a499e5bab8bb1679b8ef545c910ef967c4961148edd
SHA512

447867c298fc7b02c7fdfdaaa3e15ae1b9aa7c924ebf07d8567c4b5c18ecd16f9303c7e1c24e9521381f5f0027c40552bcaf7c5497d53395b830ecbce529e9ad
SSDEEP

49152:QnsdEKUacBVQej/1INRx+TSqTdX1HkQo6SAARdhnvn:QCyfBhz1aRxcSUDk36SAEdhvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1299) 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

1784 tasksche.exe

pid	process
1784	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

13c48f1c0755effc4376bfa52f387d3c.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	13c48f1c0755effc4376bfa52f387d3c.exe

Drops file in Windows directory 1 IoCs

Processes:

13c48f1c0755effc4376bfa52f387d3c.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 13c48f1c0755effc4376bfa52f387d3c.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

368 1784 WerFault.exe tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	13c48f1c0755effc4376bfa52f387d3c.exe

pid	pid_target	process	target process
368	1784	WerFault.exe	tasksche.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

13c48f1c0755effc4376bfa52f387d3c.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	13c48f1c0755effc4376bfa52f387d3c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	13c48f1c0755effc4376bfa52f387d3c.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F92260A-DB82-4639-A36B-503464505589}	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F92260A-DB82-4639-A36B-503464505589}\WpadNetworkName = "Network 2"	13c48f1c0755effc4376bfa52f387d3c.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-c3-53-ee-bd-57	13c48f1c0755effc4376bfa52f387d3c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F92260A-DB82-4639-A36B-503464505589}\WpadDecisionTime = a07a13daccc3d801	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-c3-53-ee-bd-57\WpadDecision = "0"	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f001f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F92260A-DB82-4639-A36B-503464505589}\WpadDecisionReason = "1"	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-c3-53-ee-bd-57\WpadDecisionReason = "1"	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-c3-53-ee-bd-57\WpadDecisionTime = a07a13daccc3d801	13c48f1c0755effc4376bfa52f387d3c.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F92260A-DB82-4639-A36B-503464505589}\62-c3-53-ee-bd-57	13c48f1c0755effc4376bfa52f387d3c.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	13c48f1c0755effc4376bfa52f387d3c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	13c48f1c0755effc4376bfa52f387d3c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F92260A-DB82-4639-A36B-503464505589}\WpadDecision = "0"	13c48f1c0755effc4376bfa52f387d3c.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

13c48f1c0755effc4376bfa52f387d3c.exetasksche.exe

description	pid	process	target process
PID 1048 wrote to memory of 1784	1048	13c48f1c0755effc4376bfa52f387d3c.exe	tasksche.exe
PID 1048 wrote to memory of 1784	1048	13c48f1c0755effc4376bfa52f387d3c.exe	tasksche.exe
PID 1048 wrote to memory of 1784	1048	13c48f1c0755effc4376bfa52f387d3c.exe	tasksche.exe
PID 1048 wrote to memory of 1784	1048	13c48f1c0755effc4376bfa52f387d3c.exe	tasksche.exe
PID 1048 wrote to memory of 1784	1048	13c48f1c0755effc4376bfa52f387d3c.exe	tasksche.exe
PID 1048 wrote to memory of 1784	1048	13c48f1c0755effc4376bfa52f387d3c.exe	tasksche.exe
PID 1048 wrote to memory of 1784	1048	13c48f1c0755effc4376bfa52f387d3c.exe	tasksche.exe
PID 1784 wrote to memory of 368	1784	tasksche.exe	WerFault.exe
PID 1784 wrote to memory of 368	1784	tasksche.exe	WerFault.exe
PID 1784 wrote to memory of 368	1784	tasksche.exe	WerFault.exe
PID 1784 wrote to memory of 368	1784	tasksche.exe	WerFault.exe
PID 1784 wrote to memory of 368	1784	tasksche.exe	WerFault.exe
PID 1784 wrote to memory of 368	1784	tasksche.exe	WerFault.exe
PID 1784 wrote to memory of 368	1784	tasksche.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\13c48f1c0755effc4376bfa52f387d3c.exe
"C:\Users\Admin\AppData\Local\Temp\13c48f1c0755effc4376bfa52f387d3c.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1048

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 224
3⤵
- Program crash
PID:368

C:\Users\Admin\AppData\Local\Temp\13c48f1c0755effc4376bfa52f387d3c.exe
C:\Users\Admin\AppData\Local\Temp\13c48f1c0755effc4376bfa52f387d3c.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1212

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

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Downloads

C:\WINDOWS\tasksche.exe
Filesize
2.0MB

MD5
9cbde1a45c70eb9a71afe6c68b1c554d

SHA1
6ae0c0a8a03f114997568ff0396d1ded9c33e15c

SHA256
1f219a2df3d2eb0a9cf4a624c6ecc128d3dfce19134b6fe7c20d329a415a7153

SHA512
ba863bc87a9d87044fe99238ba76384e4989d356b0aee04bb70a132c8e840568dcff0c2525c4d0f981eab6fb275c03a0d7181cef73fd75592e5ccdf4f429f2c1

Download Submit
C:\Windows\tasksche.exe
Filesize
2.0MB

MD5
9cbde1a45c70eb9a71afe6c68b1c554d

SHA1
6ae0c0a8a03f114997568ff0396d1ded9c33e15c

SHA256
1f219a2df3d2eb0a9cf4a624c6ecc128d3dfce19134b6fe7c20d329a415a7153

SHA512
ba863bc87a9d87044fe99238ba76384e4989d356b0aee04bb70a132c8e840568dcff0c2525c4d0f981eab6fb275c03a0d7181cef73fd75592e5ccdf4f429f2c1

Download Submit
memory/368-60-0x0000000000000000-mapping.dmp

Download
memory/1048-54-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1784-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads