wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
158s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 03:11

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General

Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Size 224KB
Sample240511-dp26dsch69
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 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDDC5A.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDDC43.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 1 IoCs

pid	Process
2400	!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
3516	taskkill.exe
3800	taskkill.exe
4352	taskkill.exe
1884	taskkill.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1884	taskkill.exe
Token: SeDebugPrivilege	4352	taskkill.exe
Token: SeDebugPrivilege	3800	taskkill.exe
Token: SeDebugPrivilege	3516	taskkill.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2400	!WannaDecryptor!.exe
2400	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 3996	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 1972 wrote to memory of 3996	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 1972 wrote to memory of 3996	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3996 wrote to memory of 3132	3996	cmd.exe	93
PID 3996 wrote to memory of 3132	3996	cmd.exe	93
PID 3996 wrote to memory of 3132	3996	cmd.exe	93
PID 1972 wrote to memory of 2400	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 1972 wrote to memory of 2400	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 1972 wrote to memory of 2400	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 1972 wrote to memory of 4352	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 1972 wrote to memory of 4352	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 1972 wrote to memory of 4352	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 1972 wrote to memory of 3800	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	101
PID 1972 wrote to memory of 3800	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	101
PID 1972 wrote to memory of 3800	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	101
PID 1972 wrote to memory of 3516	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 1972 wrote to memory of 3516	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 1972 wrote to memory of 3516	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 1972 wrote to memory of 1884	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 1972 wrote to memory of 1884	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 1972 wrote to memory of 1884	1972	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103

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:1972
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 152971715397144.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3996
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:3132
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2400
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4352
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3800
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3516
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1884

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=4204 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:4264

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 f477946d1059d8bbc7c76fd4782860c9edea79f3583164879db71414cb3991c6
MD5 12e2de4a002d023d656ccad276ac01e5
SHA1 5bca75363e96f2d3e6d5a59fdc2d1d4e5bd91bfd
SHA512 eea251fb5409b92a6e6007116a71344740ae6ec03a26c86b77dbb9398a4b78e597fcb761a4e3a18950d029141cfa66b3e021f42a096691641ce9cca1e485537e
MD5 SHA1 SHA512

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00000000.res

Path C:\Users\Admin\AppData\Local\Temp\00000000.res
Size 136B
SHA256 b18e41807eba75fa7bd83397f352a8e8f60768a518585a8f007df53a45bd7615
MD5 9ae1a9c4e2fc64f553f91854d660871d
SHA1 3e3fbf79f47c8cf282db844452bc8c4f08942a67
SHA512 536a457597d5209f67304c54a251691519c50c81fb364422b284c2a290db1ce4be27cc3be3dd6210c1a1b90a8eeba8eefb8a46963e4de00f8131257855001b69
MD5 SHA1 SHA512

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00000000.res

Path C:\Users\Admin\AppData\Local\Temp\00000000.res
Size 136B
SHA256 2925c1a16212f790ecaa2bcff4ee07abf7bd3e23689041bbbbafea85e09ae576
MD5 32ce9014c8b0953ace71e9450ac56989
SHA1 deea12a92f2d4c32967fa0c3645fe2271bb382c9
SHA512 4085519e844706f2d6294513a5fa3ab37a84eaed967da8d4f3b073fada575bb83d269100bed5bfb60f0c898cc04c5951925e6201a35634fb33c72ba45617697c
MD5 SHA1 SHA512

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152971715397144.bat

Path C:\Users\Admin\AppData\Local\Temp\152971715397144.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 31155060d54d0384eb210a67d663baabc341bd32363f7466c6207e0a3dc1530a
MD5 0679e48b4cdf672f1467a0a82a18334b
SHA1 ae85a35ac8803f1487f50188de8ca167155d2b3a
SHA512 392f06ec4f77970bfef0c548d72bf0e8e1c3469ed8238d9bc8ccfed8973406447b7c91c7620f57bb5ee12a02f728e0f1e903a599b9042283bb22be73c6bb7b6d
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/1972-7-0x0000000010000000-0x0000000010012000-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