wannacry | 48db1f0d123c7c27c55e819e33a32698fca52fbda7e91c8af23161347fe487c9

General

Target

2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Size

3.6MB
MD5

6d5508a3e26dab8b32348af327051660
SHA1

6ec605246bf402001539a0837569d212618fcc54
SHA256

48db1f0d123c7c27c55e819e33a32698fca52fbda7e91c8af23161347fe487c9
SHA512

b3550e90d1ae50ddd06ab85aec0b9d858c54a2b121d3703f1d8e4ec9633efd17f000c1c899649b67304d6c66d234a413938518dc0783e4880e2bd67452c78b73
SSDEEP

49152:VnpEKUacHVQej/1INRx+TSqTdX1HkQo6SAARdhnv:ZpyfHhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2928) 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

3000 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
3000	tasksche.exe

Drops file in System32 directory 5 IoCs

Processes:

2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\LLIPRQ4V.txt	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\LLIPRQ4V.txt	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\UZEIVROZ.txt	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\UZEIVROZ.txt	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe

Drops file in Windows directory 3 IoCs

Processes:

2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exetasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
File created	C:\Windows\__tmp_rar_sfx_access_check_259446869	tasksche.exe
File created	C:\Windows\eee.exe	tasksche.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-43-0f-be-be-1b\WpadDecisionReason = "1"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-43-0f-be-be-1b\WpadDecisionTime = 502c43485675da01	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\WpadDecision = "0"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\WpadNetworkName = "Network 3"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-43-0f-be-be-1b\WpadDecision = "0"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\WpadDecisionReason = "1"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0073000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\96-43-0f-be-be-1b	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\WpadDecisionTime = 502c43485675da01	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-43-0f-be-be-1b	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

tasksche.exe

pid process

3000 tasksche.exe

pid	process
3000	tasksche.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe

description	pid	process	target process
PID 2320 wrote to memory of 3000	2320	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe	tasksche.exe
PID 2320 wrote to memory of 3000	2320	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe	tasksche.exe
PID 2320 wrote to memory of 3000	2320	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe	tasksche.exe
PID 2320 wrote to memory of 3000	2320	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe	tasksche.exe
PID 2320 wrote to memory of 3000	2320	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe	tasksche.exe
PID 2320 wrote to memory of 3000	2320	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe	tasksche.exe
PID 2320 wrote to memory of 3000	2320	2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe	tasksche.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2320

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
PID:3000

C:\Users\Admin\AppData\Local\Temp\2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-13_6d5508a3e26dab8b32348af327051660_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2236

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

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Downloads

C:\Windows\tasksche.exe

Filesize
2.0MB

MD5
84806e27ad3982217395d30b692077fc

SHA1
16473700873e19a411e020709855b2831b3a9c2c

SHA256
64d5356e5a165f34ec2248ad1f5f9ccb82a82708d3aed1ecbfe3d94955c59c7f

SHA512
4f266ec8651bc28021c9de8d4c6f978fc6b18ec13c0d11ab43ee4b5bb6d7e6a9170d6984f0fdebfbc29d2ac91cae227a1ecd65e1552351773074901d8a7309cd

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads