wannacry | 28b7fd4ecfc04c938ec0fc8c1df590b3a9b35263121a6f98dba394590c65bd93

General

Target

2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Size

3.6MB
MD5

e7d9402ed10c6ea9d5cae98fc98e5d24
SHA1

0251b7bcbffe5f0e92c028008b029371b63fd432
SHA256

28b7fd4ecfc04c938ec0fc8c1df590b3a9b35263121a6f98dba394590c65bd93
SHA512

15e672dc2a83f550bdd1078c87b819ee918ee1513df63292b572dc2c7da21288797ca896008abde2c33cdcce443deb17c50fd3f10a2b08c9c41f148f8c0a6792
SSDEEP

49152:ZnFQeMSPbcBVQeK1INRx+TSqTdX1HkQo6SAwOQ77JUsJM0H9PAMEcaEa:teePoBhK1aRxcSUDk36SAaUsWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3113) 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
2820	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	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.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	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\WpadDecisionReason = "1"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f4-30-3a-9b-09\WpadDecision = "0"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ae000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f4-30-3a-9b-09\WpadDecisionReason = "1"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\WpadNetworkName = "Network 3"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\82-f4-30-3a-9b-09	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\WpadDecisionTime = 80d89032731bdb01	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f4-30-3a-9b-09\WpadDecisionTime = 80d89032731bdb01	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6DE1134-556A-44FD-A4F3-9D64DAC19EFC}\WpadDecision = "0"	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f4-30-3a-9b-09	2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2520
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2820

C:\Users\Admin\AppData\Local\Temp\2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_e7d9402ed10c6ea9d5cae98fc98e5d24_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1816

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
2b324ca656545fdb642c0789493ad892

SHA1
e9fdac5d225afb61def5f97853cf12d7a52e84ed

SHA256
53a70939fc919ee9b52795893a3f2c32fcb689cbd45ee75446de62ace91d7463

SHA512
e720166b90c431ebe8a8ca12f6f8382eb7e1d2c8a214671b67dc8fe20dabe5ddc814b98be7a5365921ae728e590924f7e4bd81e3072c4e70bc99190f022786b0

Download Submit
memory/1816-8-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2520-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2520-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download

Analysis

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