wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
157s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/05/2024, 19:02

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General

Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Size 224KB
Sample240513-xp2peaaa2v
SHA256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
MD5 5c7fb0927db37372da25f270708103a2
SHA1 120ed9279d85cbfa56e5b7779ffa7162074f7a29
SHA512 a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
SSDEEP 3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry persistence ransomware spyware stealer worm

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt

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

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD52DA.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 1 IoCs

pid	Process
976	!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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

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

pid	Process
2116	taskkill.exe
1328	taskkill.exe
4632	taskkill.exe
1084	taskkill.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	taskkill.exe
Token: SeDebugPrivilege	4632	taskkill.exe
Token: SeDebugPrivilege	1084	taskkill.exe
Token: SeDebugPrivilege	1328	taskkill.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
976	!WannaDecryptor!.exe
976	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3324 wrote to memory of 3912	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3324 wrote to memory of 3912	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3324 wrote to memory of 3912	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3912 wrote to memory of 60	3912	cmd.exe	94
PID 3912 wrote to memory of 60	3912	cmd.exe	94
PID 3912 wrote to memory of 60	3912	cmd.exe	94
PID 3324 wrote to memory of 976	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	97
PID 3324 wrote to memory of 976	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	97
PID 3324 wrote to memory of 976	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	97
PID 3324 wrote to memory of 2116	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 3324 wrote to memory of 2116	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 3324 wrote to memory of 2116	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 3324 wrote to memory of 1084	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 3324 wrote to memory of 1084	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 3324 wrote to memory of 1084	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 3324 wrote to memory of 4632	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	104
PID 3324 wrote to memory of 4632	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	104
PID 3324 wrote to memory of 4632	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	104
PID 3324 wrote to memory of 1328	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 3324 wrote to memory of 1328	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 3324 wrote to memory of 1328	3324	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105

C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3324
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 8461715626992.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3912
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:60
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:976
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2116
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1084
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4632
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1328

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:2680

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

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Downloads

!Please Read Me!.txt

Path C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
Size 797B
SHA256 227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
MD5 afa18cf4aa2660392111763fb93a8c3d
SHA1 c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA512 4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
MD5 SHA1 SHA512

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!WannaDecryptor!.exe.lnk

Path C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk
Size 1KB
SHA256 7eafe4c91ab4b91e32acf034e36fcf61988b3242ce320eab15b13edeb2fb1f39
MD5 d08c51eb4133b0b7b193009b481bd40c
SHA1 c3df1122e01cabafacab5c0becddd288aaf07430
SHA512 5de80708ec4c97c9fa6354489e83fce7c7e54968382cb05b63905c9c0bd59214bb65576e3304c5ebc9484613b7aa11a3e92975abbd8753eb4bc2c7abb0fc86a3
MD5 SHA1 SHA512

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00000000.res

Path C:\Users\Admin\AppData\Local\Temp\00000000.res
Size 136B
SHA256 6713abcaa065370211621d6be094962f26ad36d5e6b65d5e537f347c4d405964
MD5 aadc263ace6658c65d27dc209acb4780
SHA1 c50237567dd9013b6c35df62467d45e4812a707e
SHA512 dc98a6959a1221ef7d4bd1697c161c4d450bb009afcde174e7442151a3c562b2e30419e44df054ced56b4fc20b65c44676a6ddfcb99646904e8caed72892bc98
MD5 SHA1 SHA512

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00000000.res

Path C:\Users\Admin\AppData\Local\Temp\00000000.res
Size 136B
SHA256 9107bca4d3e0afd38965c9a6d2ca37913201876c4d7419517bc1e512b2b3a004
MD5 688b9ffa2370bbddd2205cf6b00c1d12
SHA1 6350b9ec0472232ff9cf147e76c793ae248dc320
SHA512 34cd3f0885aedcce3bf8425819b6e3675d7fb1b6eba4c1582322292e7abe846390fa1b8a9195d10d2c909e117b69cd952433678b3c094509c1aaa1af510582a4
MD5 SHA1 SHA512

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8461715626992.bat

Path C:\Users\Admin\AppData\Local\Temp\8461715626992.bat
Size 336B
SHA256 73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
MD5 3540e056349c6972905dc9706cd49418
SHA1 492c20442d34d45a6d6790c720349b11ec591cde
SHA512 c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
MD5 SHA1 SHA512

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c.vbs

Path C:\Users\Admin\AppData\Local\Temp\c.vbs
Size 219B
SHA256 0fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
MD5 5f6d40ca3c34b470113ed04d06a88ff4
SHA1 50629e7211ae43e32060686d6be17ebd492fd7aa
SHA512 4d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
MD5 SHA1 SHA512

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c.wry

Path C:\Users\Admin\AppData\Local\Temp\c.wry
Size 628B
SHA256 eff6e40ce7ecaa761f62d8246fa69378b0c678528626582ccea89f6315d6e118
MD5 6bf483de4c6c7c41375ff17b941b9658
SHA1 2c582ad05153ace44184f3620c003097483b66cc
SHA512 0614e242fdfae2b7a39ee38765c671b7b625750aa78db43ce1aa03036c1ff34dd3b7a83542135a0eb8068f866f8a7fd42da11299e31adad7671e41936c3162be
MD5 SHA1 SHA512

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u.wry

Path C:\Users\Admin\AppData\Local\Temp\u.wry
Size 236KB
SHA256 78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
MD5 cf1416074cd7791ab80a18f9e7e219d9
SHA1 276d2ec82c518d887a8a3608e51c56fa28716ded
SHA512 0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
SSDEEP 3072:KeJJ0eIVAnbWOECR+uJ/0EJzBelG4t1nXFnQamKNQHFZde5tHEGaa:bqrVOEgZJcYelG4tQamKN2ex
MD5 SHA1 SHA512 SSDEEP

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memory/3324-6-0x0000000010000000-0x0000000010012000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads