wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
149s
max time network
147s
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-xpx18aaf89
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

Executes dropped EXE 1 IoCs

pid	Process
3592	!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
4004	taskkill.exe
3824	taskkill.exe
3588	taskkill.exe
4924	taskkill.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4924	taskkill.exe
Token: SeDebugPrivilege	3824	taskkill.exe
Token: SeDebugPrivilege	4004	taskkill.exe
Token: SeDebugPrivilege	3588	taskkill.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3592	!WannaDecryptor!.exe
3592	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 3824	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 2252 wrote to memory of 3824	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 2252 wrote to memory of 3824	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 3824 wrote to memory of 3060	3824	cmd.exe	95
PID 3824 wrote to memory of 3060	3824	cmd.exe	95
PID 3824 wrote to memory of 3060	3824	cmd.exe	95
PID 2252 wrote to memory of 3592	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	99
PID 2252 wrote to memory of 3592	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	99
PID 2252 wrote to memory of 3592	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	99
PID 2252 wrote to memory of 3824	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	104
PID 2252 wrote to memory of 3824	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	104
PID 2252 wrote to memory of 3824	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	104
PID 2252 wrote to memory of 3588	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 2252 wrote to memory of 3588	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 2252 wrote to memory of 3588	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 2252 wrote to memory of 4004	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	106
PID 2252 wrote to memory of 4004	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	106
PID 2252 wrote to memory of 4004	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	106
PID 2252 wrote to memory of 4924	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 2252 wrote to memory of 4924	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 2252 wrote to memory of 4924	2252	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107

C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 297451715626961.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3824
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:3060
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3592
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3824
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3588
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4004
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4924

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=4396 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:3440

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 1e8d6f36b8878469c5c743fb489a3b5432b52a6afd3868f180e78419e90db101
MD5 513d1cb6661c40ff3d906c09f42d752f
SHA1 90d01dff91d7f142d293e13ee7c9ae70e61ceb87
SHA512 7ef7dcbdf32e0edbdb351a607d4bdf957f1026ad9b68d0c711f32260c7124a84b87fd9abf44fc1fa111bef61a4bb1b78cececf24aa17a775b7d89b86c52eb223
MD5 SHA1 SHA512

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00000000.res

Path C:\Users\Admin\AppData\Local\Temp\00000000.res
Size 136B
SHA256 1bfa5327050841ccb129ea94873d60a19beece148f330dae790c5eb750834a87
MD5 155f809ffb661b46d672ee5066d72c2d
SHA1 bae226ab971214ebceab1fe020bba944a9377be7
SHA512 86b1ff6af55a7290ab53f760b6b21b9bb3423ad67231e0ee2377efdc58a3c06c693902b121fd9eb61afefb69046f7ac254e3850b4b1e9d03855b03966f459732
MD5 SHA1 SHA512

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00000000.res

Path C:\Users\Admin\AppData\Local\Temp\00000000.res
Size 136B
SHA256 f2f4db812fbba1870072e50d6e5ea39ed4bbe19a0a12706a8dd1b60bc4c78f0b
MD5 750540f6b866699721c7d0f155b5cc94
SHA1 47f0fd87fb8f83b72ec9a3313bd9bf89ddf68335
SHA512 25cc8a23b2a6add891f755e3e2f5e27955abbf9cc1fd24cfb51cefc76e3d59d8cea8c2f9fe145a2ede5f8b4000523bd5f112602ccab56c043dc3c9ef00cce0dd
MD5 SHA1 SHA512

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297451715626961.bat

Path C:\Users\Admin\AppData\Local\Temp\297451715626961.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 bf22e8e18db1638673f47591a13d18ee58d8c6019314bab5a90be82ae3dc9538
MD5 663e55df21852bc8870b86bc38e58262
SHA1 1c691bf030ecfce78a9476fbdef3afe61724e6a9
SHA512 6a54be1fa549633a2fd888c559207437b8f6efda98bb18d491c8749f39e9754f1e680fa8e2d623777b5f665b2c04d19385c75ce4e61fb251db16018963a9a6f9
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/2252-6-0x0000000010000000-0x0000000010012000-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