wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-05-2024 19:04

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General

Target

be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Size

224KB
MD5

5c7fb0927db37372da25f270708103a2
SHA1

120ed9279d85cbfa56e5b7779ffa7162074f7a29
SHA256

be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
SHA512

a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
SSDEEP

3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ

Score

10^/10

wannacry persistence ransomware spyware stealer worm

Malware Config

Extracted

Path

C:\Users\Admin\Documents\!Please Read Me!.txt

Family

wannacry

Ransom Note

Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �

Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

Drops startup file 1 IoCs

Processes:

be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDC1BB.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

Processes:

!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe

pid process

2640 !WannaDecryptor!.exe
3044 !WannaDecryptor!.exe
1852 !WannaDecryptor!.exe
2364 !WannaDecryptor!.exe

Loads dropped DLL 9 IoCs

Processes:

cscript.exebe22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.exe

pid	process
3000	cscript.exe
1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
1780	cmd.exe
1780	cmd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r"	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

!WannaDecryptor!.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp"	!WannaDecryptor!.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	!WannaDecryptor!.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Kills process with taskkill 4 IoCs
evasion

Processes:

taskkill.exetaskkill.exetaskkill.exetaskkill.exe

pid process

2184 taskkill.exe
1812 taskkill.exe
2024 taskkill.exe
708 taskkill.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

!WannaDecryptor!.exe

pid process

1852 !WannaDecryptor!.exe

pid	process
2184	taskkill.exe
1812	taskkill.exe
2024	taskkill.exe
708	taskkill.exe

pid	process
1852	!WannaDecryptor!.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

taskkill.exetaskkill.exetaskkill.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	1812	taskkill.exe
Token: SeDebugPrivilege	2184	taskkill.exe
Token: SeDebugPrivilege	708	taskkill.exe
Token: SeDebugPrivilege	2024	taskkill.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe

pid	process
2640	!WannaDecryptor!.exe
2640	!WannaDecryptor!.exe
3044	!WannaDecryptor!.exe
3044	!WannaDecryptor!.exe
1852	!WannaDecryptor!.exe
1852	!WannaDecryptor!.exe
2364	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe

description	pid	process	target process
PID 1612 wrote to memory of 2680	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	cmd.exe
PID 1612 wrote to memory of 2680	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	cmd.exe
PID 1612 wrote to memory of 2680	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	cmd.exe
PID 1612 wrote to memory of 2680	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	cmd.exe
PID 2680 wrote to memory of 3000	2680	cmd.exe	cscript.exe
PID 2680 wrote to memory of 3000	2680	cmd.exe	cscript.exe
PID 2680 wrote to memory of 3000	2680	cmd.exe	cscript.exe
PID 2680 wrote to memory of 3000	2680	cmd.exe	cscript.exe
PID 1612 wrote to memory of 2640	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 2640	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 2640	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 2640	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 2184	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 2184	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 2184	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 2184	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 1812	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 1812	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 1812	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 1812	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 2024	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 2024	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 2024	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 2024	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 708	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 708	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 708	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 708	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	taskkill.exe
PID 1612 wrote to memory of 3044	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 3044	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 3044	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 3044	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 1852	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 1852	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 1852	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 1852	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	!WannaDecryptor!.exe
PID 1612 wrote to memory of 1780	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	cmd.exe
PID 1612 wrote to memory of 1780	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	cmd.exe
PID 1612 wrote to memory of 1780	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	cmd.exe
PID 1612 wrote to memory of 1780	1612	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	cmd.exe
PID 1780 wrote to memory of 2364	1780	cmd.exe	!WannaDecryptor!.exe
PID 1780 wrote to memory of 2364	1780	cmd.exe	!WannaDecryptor!.exe
PID 1780 wrote to memory of 2364	1780	cmd.exe	!WannaDecryptor!.exe
PID 1780 wrote to memory of 2364	1780	cmd.exe	!WannaDecryptor!.exe

C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\cmd.exe
cmd /c 195251715627104.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:2680

C:\Windows\SysWOW64\cscript.exe
cscript //nologo c.vbs
3⤵
- Loads dropped DLL
PID:3000

C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
!WannaDecryptor!.exe f
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2640

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im MSExchange*
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2184

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im Microsoft.Exchange.*
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1812

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im sqlserver.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2024

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im sqlwriter.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:708

C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
!WannaDecryptor!.exe c
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3044

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c start /b !WannaDecryptor!.exe v
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1780

C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
!WannaDecryptor!.exe v
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2364

C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
!WannaDecryptor!.exe
2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
Filesize
236KB

MD5
cf1416074cd7791ab80a18f9e7e219d9

SHA1
276d2ec82c518d887a8a3608e51c56fa28716ded

SHA256
78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

SHA512
0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk
Filesize
921B

MD5
a8770cf874cc085a40a97d7f9131b509

SHA1
5a01994997fc062860ba8f36cdf8e55c4a79f2ad

SHA256
9f78df60487ca7fa9eae6a6193a40daad29090fa28439b31264e17325b20474b

SHA512
4cfa46280397bd0060426c06486e0017dbac5f8fab7e193e5ab4098d26f5d2c8f085526cf2fae59b226de9867b55a71aaef36394b082ebcbeec4c1de688721db

Download Submit
C:\Users\Admin\AppData\Local\Temp\00000000.res
Filesize
136B

MD5
e62390c6619327639b92114edad512e5

SHA1
8e609d1cc76af6da161c467189af5ec20330ac7e

SHA256
8b6c924a506e42448c6dc16e39acd66ee5d556e8bb71cba38ed1cec3f4db90b5

SHA512
c65458e4cd23cefdbc2f136f2570fcdece12a0fcc6b236849402007d40235031aca38de78be390637f023aa5aab33e42ea822b35fb7bc3db9ffd94e7bcdbe946

Download Submit
C:\Users\Admin\AppData\Local\Temp\00000000.res
Filesize
136B

MD5
acf87bbef719d87d52a6e85eceef1497

SHA1
e0927a8137c81cb9200d8f35e1453de2db015fe2

SHA256
eb655a376f736cfe2c0adf079b01294c495877a8e208c1e47e52e8777bb2bc4c

SHA512
7c2221bcffa5163b888cff35f816aa965052fca98f3441e6f324c610cb2d8b3593f540c3c62113dbb09e39ddbebedc5f8937892b5f55808f8e55784aa9558639

Download Submit
C:\Users\Admin\AppData\Local\Temp\00000000.res
Filesize
136B

MD5
be742c9674273a1deccf8454789222bd

SHA1
d3ef6122c90447a4f58cf1c070c7b0537c3ae5a9

SHA256
84237525d3d919ac64165d71b0794f120e2ff4956ca31dc0291b3bf89224df60

SHA512
82060bd64403bce4d82aadb78eeae396a8ce71d186d3b1ea829ebff42533e1f863450dd6595a59f1552806ccaee555a1996a5208753a5875598c6ee6b06647d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\00000000.res
Filesize
136B

MD5
4fc2fe9538817c478c1a510c1009e5e7

SHA1
c056dae52a25caf56989e1797df28307df53545a

SHA256
ed4bb768b18a24fe9f94f244a5049d431128258c01d58a3cf26c7c1a1c250642

SHA512
9a041b43fb3398b4d014df048a1fc268abd0b7b3324b902ec83b4b1b0ecaca9d66cce6c07ca46e46db8b4f38e59146c720f3e3fe9f2f585776f9f1d2ea7b5eba

Download Submit
C:\Users\Admin\AppData\Local\Temp\195251715627104.bat
Filesize
336B

MD5
3540e056349c6972905dc9706cd49418

SHA1
492c20442d34d45a6d6790c720349b11ec591cde

SHA256
73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc

SHA512
c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c

Download Submit
C:\Users\Admin\AppData\Local\Temp\c.vbs
Filesize
219B

MD5
5f6d40ca3c34b470113ed04d06a88ff4

SHA1
50629e7211ae43e32060686d6be17ebd492fd7aa

SHA256
0fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1

SHA512
4d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35

Download Submit
C:\Users\Admin\AppData\Local\Temp\c.wry
Filesize
628B

MD5
99dd3ae65e0006c235616eb3c22944ca

SHA1
49daa4f940287cf0c1cdb1530241d7d25933b4a8

SHA256
d773281b0174b9afe72ebe075152556cf57843ef9bea7d363f3c009210528e5a

SHA512
1a3460a1c519d4d72e6c667591b948b5d4979622032f096aec59f756dd31d507acb29cf731aad94dd4a4dcbb224fda87dc40537b70319723395ef5cfaaffdd72

Download Submit
C:\Users\Admin\AppData\Local\Temp\m.wry
Filesize
42KB

MD5
980b08bac152aff3f9b0136b616affa5

SHA1
2a9c9601ea038f790cc29379c79407356a3d25a3

SHA256
402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

SHA512
100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

Download Submit
C:\Users\Admin\Documents\!Please Read Me!.txt
Filesize
797B

MD5
afa18cf4aa2660392111763fb93a8c3d

SHA1
c219a3654a5f41ce535a09f2a188a464c3f5baf5

SHA256
227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

SHA512
4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

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memory/1612-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

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