wannacry | ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

Target

important.exe
Size

3.4MB
MD5

84c82835a5d21bbcf75a61706d8ab549
SHA1

5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
SHA256

ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
SHA512

90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@[email protected]

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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �

Wallets

115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

Executes dropped EXE 2 IoCs

pid	Process
1700	taskdl.exe
1520	taskdl.exe

Loads dropped DLL 4 IoCs

pid	Process
1840	important.exe
1840	important.exe
1840	important.exe
1840	important.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1824	icacls.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 1064	1840	important.exe	27
PID 1840 wrote to memory of 1064	1840	important.exe	27
PID 1840 wrote to memory of 1064	1840	important.exe	27
PID 1840 wrote to memory of 1064	1840	important.exe	27
PID 1840 wrote to memory of 1824	1840	important.exe	29
PID 1840 wrote to memory of 1824	1840	important.exe	29
PID 1840 wrote to memory of 1824	1840	important.exe	29
PID 1840 wrote to memory of 1824	1840	important.exe	29
PID 1840 wrote to memory of 1700	1840	important.exe	31
PID 1840 wrote to memory of 1700	1840	important.exe	31
PID 1840 wrote to memory of 1700	1840	important.exe	31
PID 1840 wrote to memory of 1700	1840	important.exe	31
PID 1840 wrote to memory of 1260	1840	important.exe	32
PID 1840 wrote to memory of 1260	1840	important.exe	32
PID 1840 wrote to memory of 1260	1840	important.exe	32
PID 1840 wrote to memory of 1260	1840	important.exe	32
PID 1260 wrote to memory of 864	1260	cmd.exe	35
PID 1260 wrote to memory of 864	1260	cmd.exe	35
PID 1260 wrote to memory of 864	1260	cmd.exe	35
PID 1260 wrote to memory of 864	1260	cmd.exe	35
PID 1840 wrote to memory of 1520	1840	important.exe	36
PID 1840 wrote to memory of 1520	1840	important.exe	36
PID 1840 wrote to memory of 1520	1840	important.exe	36
PID 1840 wrote to memory of 1520	1840	important.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1064	attrib.exe

C:\Users\Admin\AppData\Local\Temp\important.exe
"C:\Users\Admin\AppData\Local\Temp\important.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\attrib.exe
  attrib +h .
  2⤵
  - Views/modifies file attributes
  PID:1064
- C:\Windows\SysWOW64\icacls.exe
  icacls . /grant Everyone:F /T /C /Q
  2⤵
  - Modifies file permissions
  PID:1824
- C:\Users\Admin\AppData\Local\Temp\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  PID:1700
- C:\Windows\SysWOW64\cmd.exe
  cmd /c 209781647448580.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1260
- - C:\Windows\SysWOW64\cscript.exe
    cscript.exe //nologo m.vbs
    3⤵
    PID:864
- C:\Users\Admin\AppData\Local\Temp\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  PID:1520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Hidden Files and Directories

T1158

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1840-55-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/1840-54-0x0000000075961000-0x0000000075963000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads