wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2023 17:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.WannaCry1.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\AppData\Local\Temp\!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 2 IoCs

Processes:

NEAS.WannaCry1.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDF4DE.tmp	NEAS.WannaCry1.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDF6BA.tmp	NEAS.WannaCry1.exe

Executes dropped EXE 1 IoCs

Processes:

!WannaDecryptor!.exe

pid process

1496 !WannaDecryptor!.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

pid	process
1496	!WannaDecryptor!.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

NEAS.WannaCry1.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\\NEAS.WannaCry1.exe\" /r"	NEAS.WannaCry1.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

4076 taskkill.exe
420 taskkill.exe
4128 taskkill.exe
1432 taskkill.exe

pid	process
4076	taskkill.exe
420	taskkill.exe
4128	taskkill.exe
1432	taskkill.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

taskkill.exetaskkill.exetaskkill.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	420	taskkill.exe
Token: SeDebugPrivilege	4076	taskkill.exe
Token: SeDebugPrivilege	4128	taskkill.exe
Token: SeDebugPrivilege	1432	taskkill.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

!WannaDecryptor!.exe

pid process

1496 !WannaDecryptor!.exe
1496 !WannaDecryptor!.exe

pid	process
1496	!WannaDecryptor!.exe
1496	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

NEAS.WannaCry1.execmd.exe

description	pid	process	target process
PID 1896 wrote to memory of 4704	1896	NEAS.WannaCry1.exe	cmd.exe
PID 1896 wrote to memory of 4704	1896	NEAS.WannaCry1.exe	cmd.exe
PID 1896 wrote to memory of 4704	1896	NEAS.WannaCry1.exe	cmd.exe
PID 4704 wrote to memory of 2956	4704	cmd.exe	cscript.exe
PID 4704 wrote to memory of 2956	4704	cmd.exe	cscript.exe
PID 4704 wrote to memory of 2956	4704	cmd.exe	cscript.exe
PID 1896 wrote to memory of 1496	1896	NEAS.WannaCry1.exe	!WannaDecryptor!.exe
PID 1896 wrote to memory of 1496	1896	NEAS.WannaCry1.exe	!WannaDecryptor!.exe
PID 1896 wrote to memory of 1496	1896	NEAS.WannaCry1.exe	!WannaDecryptor!.exe
PID 1896 wrote to memory of 1432	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 1432	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 1432	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 4076	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 4076	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 4076	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 420	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 420	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 420	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 4128	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 4128	1896	NEAS.WannaCry1.exe	taskkill.exe
PID 1896 wrote to memory of 4128	1896	NEAS.WannaCry1.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.WannaCry1.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.WannaCry1.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1896

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c 185741700243180.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:4704

C:\Windows\SysWOW64\cscript.exe
cscript //nologo c.vbs
3⤵
PID:2956

C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
!WannaDecryptor!.exe f
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1496

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im MSExchange*
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1432

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im Microsoft.Exchange.*
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4076

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im sqlserver.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:420

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im sqlwriter.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4128

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Recovery\WindowsRE\!WannaDecryptor!.exe.lnk
Filesize
1KB

MD5
0a52bc4ae6d4189ab2e3f538e83a6040

SHA1
913281b53a9ee0ff0bd07f36a011f75663c7b902

SHA256
d4c203976c656d1e9ff8b769ca335e8211101cdd440d431efc7888f314866e93

SHA512
bf81fbc20e97b44cbcc7acce811cc7195320fe2ef3d068cf5d0a087f6c6441d5aaa652ef1673ea3f0597e23cc92ead02717d122fc9f86ff683dc0b7441e6f372

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

MD5
afa18cf4aa2660392111763fb93a8c3d

SHA1
c219a3654a5f41ce535a09f2a188a464c3f5baf5

SHA256
227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

SHA512
4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

Download Submit
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
Filesize
236KB

MD5
cf1416074cd7791ab80a18f9e7e219d9

SHA1
276d2ec82c518d887a8a3608e51c56fa28716ded

SHA256
78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

SHA512
0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk
Filesize
1KB

MD5
0a52bc4ae6d4189ab2e3f538e83a6040

SHA1
913281b53a9ee0ff0bd07f36a011f75663c7b902

SHA256
d4c203976c656d1e9ff8b769ca335e8211101cdd440d431efc7888f314866e93

SHA512
bf81fbc20e97b44cbcc7acce811cc7195320fe2ef3d068cf5d0a087f6c6441d5aaa652ef1673ea3f0597e23cc92ead02717d122fc9f86ff683dc0b7441e6f372

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

MD5
1cb716d99f7c5f4b102afc3ef066f9fe

SHA1
187fb9375d4f7c6cd9e81ea7bb2f02583036ccd6

SHA256
7055435c8c68a1b9dc17ccd59e224947bb524187e2249c56e730979736f1b111

SHA512
7e94ed9ed641b5682417c9454cd0619814220f372a0dcc8924e3973d797396d156d0d21d8e36753c2dc300b363d70a07326841e08df6fbaffb6cc243c69990a0

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

MD5
427de5979097dff48281ffc35d2183fb

SHA1
da428c8acdf5982fe48d0607331b71b017568b52

SHA256
11bba3fb641c0fbdd56b9cf6adb3d4bc6c63609bdb0dabecd47d9f044248cdf2

SHA512
a6decaed4c100e5c1ff96e73d05b8338ceaa50e5502849e28e9bf50706c9a76d5f24c3354fa8dfedd5ec0ab8a6af8aa828101de72cdd65492fc864f2eda81689

Download Submit
C:\Users\Admin\AppData\Local\Temp\185741700243180.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
06282f18dcd879fa7e4528ff71596b9e

SHA1
c9b2134d3033d7226528020b4a71016331bd0434

SHA256
7aa32fa7de78d717bd7456e9d982a0c2ee04b8183018c0adb869aa0dcfb68105

SHA512
22976187feafcf6babe5bdff08e3713815dd52a4981b85aef4a9edba447f393d3c79b2fa3e8737f44fa1ee6f70971f539f8c1707b4361dd8a2a762997b6aba77

Download Submit
C:\Users\Admin\AppData\Local\Temp\u.wry
Filesize
236KB

MD5
cf1416074cd7791ab80a18f9e7e219d9

SHA1
276d2ec82c518d887a8a3608e51c56fa28716ded

SHA256
78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

SHA512
0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

Download Submit
memory/1896-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download