c2498845ed4b287fd0f95528926c8ee620ef0cbb5b27865b2007d6379ffe4323

General

Target

c2498845ed4b287fd0f95528926c8ee620ef0cbb5b27865b2007d6379ffe4323.bin.sample.exe
Size

142KB
MD5

f568229e696c0e82abb35ec73d162d5e
SHA1

71889fdf2d7616f366c38072ef3d24b021068ab8
SHA256

c2498845ed4b287fd0f95528926c8ee620ef0cbb5b27865b2007d6379ffe4323
SHA512

7dabdd3526e9b5d5ba4055e15455ed7a87706c534be2784cf85e70e89249aeada3a3e4480c6896220431fb131aa85a5538100d928087bacb3ae64f3643cea23e

Score

10^/10

ransomware

Malware Config

Extracted

Path

C:\MSOCache\DECRYPT_NOTE.txt

Ransom Note

Hello THE AKA GROUP Your network was hacked! Files are encrypted by HellKitty! Data from your servers was dumped! At now this incident is a secret! To resolve this situation and decrypt files please contact us using TOR browser (https://www.torproject.org/) and your personal contact link in TOR network below. We will wait contact us within the next 3 days. In case of your disregard, we reserve the right to dispose of the dumped data at our discretion including publishing. IMPORTANT: Don't modify encrypted files or you can damage them and decryption will be impossible! Sorry for the inconvenience, it just business. Best Regards. Personal contact link: http://decrypts3nln3tic.onion/secret/53102f60dbbcb5765639504eab5da0341cbfd232e31d00a639adf9512bc1c487

URLs

http://decrypts3nln3tic.onion/secret/53102f60dbbcb5765639504eab5da0341cbfd232e31d00a639adf9512bc1c487

Signatures

Modifies extensions of user files 2 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\PushDebug.tif => C:\Users\Admin\Pictures\PushDebug.tif.crypt	c2498845ed4b287fd0f95528926c8ee620ef0cbb5b27865b2007d6379ffe4323.bin.sample.exe
File renamed	C:\Users\Admin\Pictures\RepairProtect.png => C:\Users\Admin\Pictures\RepairProtect.png.crypt	c2498845ed4b287fd0f95528926c8ee620ef0cbb5b27865b2007d6379ffe4323.bin.sample.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Opens file in notepad (likely ransom note) 5 IoCs

ransomware

pid	Process
472	NOTEPAD.EXE
752	NOTEPAD.EXE
1644	NOTEPAD.EXE
1596	NOTEPAD.EXE
1340	NOTEPAD.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	1232	vssvc.exe
Token: SeRestorePrivilege	1232	vssvc.exe
Token: SeAuditPrivilege	1232	vssvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 1596	1424	rundll32.exe	34
PID 1424 wrote to memory of 1596	1424	rundll32.exe	34
PID 1424 wrote to memory of 1596	1424	rundll32.exe	34

C:\Users\Admin\AppData\Local\Temp\c2498845ed4b287fd0f95528926c8ee620ef0cbb5b27865b2007d6379ffe4323.bin.sample.exe
"C:\Users\Admin\AppData\Local\Temp\c2498845ed4b287fd0f95528926c8ee620ef0cbb5b27865b2007d6379ffe4323.bin.sample.exe"
1⤵
- Modifies extensions of user files
PID:368

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1232

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\WriteInstall.wmf.crypt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\WriteInstall.wmf.crypt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1596

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\DECRYPT_NOTE.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:1340

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Documents\DECRYPT_NOTE.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:472

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Documents\DECRYPT_NOTE.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:752

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Documents\DECRYPT_NOTE.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:1644

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/368-59-0x0000000076661000-0x0000000076663000-memory.dmp

Filesize
8KB

Download
memory/1424-60-0x000007FEFBDC1000-0x000007FEFBDC3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads