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

Processes:

c2498845ed4b287fd0f95528926c8ee620ef0cbb5b27865b2007d6379ffe4323.bin.sample.exe

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

Processes:

rundll32.exe

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

Processes:

NOTEPAD.EXENOTEPAD.EXENOTEPAD.EXENOTEPAD.EXENOTEPAD.EXE

pid process

472 NOTEPAD.EXE
752 NOTEPAD.EXE
1644 NOTEPAD.EXE
1596 NOTEPAD.EXE
1340 NOTEPAD.EXE
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1232 vssvc.exe
Token: SeRestorePrivilege 1232 vssvc.exe
Token: SeAuditPrivilege 1232 vssvc.exe

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

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1424 wrote to memory of 1596	1424	rundll32.exe	NOTEPAD.EXE
PID 1424 wrote to memory of 1596	1424	rundll32.exe	NOTEPAD.EXE
PID 1424 wrote to memory of 1596	1424	rundll32.exe	NOTEPAD.EXE

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

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\Desktop\DECRYPT_NOTE.txt
MD5
5558878edca8b3206ab6ee5fe57f6865

SHA1
de18444b65432f299d87c2a3951e0ecc3aa52427

SHA256
df20c9f2101bbc0512cbedf1f0e93c25263dc97562a2bccb6677523ffd3dedc0

SHA512
f8a330f63e8c797ae67f2a5aa2c247cca08c688143f450bea732cad797c8d929c3a02c210c7b200aa597b3677fc9916aca6a3ca0070e28acc3747b39d693cf9c

Download Submit
C:\Users\Admin\Desktop\WriteInstall.wmf.crypt
MD5
8483aafbd165440419e9aabd114da5ed

SHA1
0b2f8b1b36d56295ac374482ebd9d2775f9aadc6

SHA256
b0e2fd938bd367da5ef3ac07487135c520b661503c6a28b97918b35ac93beb60

SHA512
d3f8907810f6af83710776b2ac82a40674c3fe8a742f3a24e67f435328f95396ca3a8b54a8385fc24fa35cf48976126e5bb07f109aa52d83510523dd0d0110e6

Download Submit
C:\Users\Admin\Documents\DECRYPT_NOTE.txt
MD5
5558878edca8b3206ab6ee5fe57f6865

SHA1
de18444b65432f299d87c2a3951e0ecc3aa52427

SHA256
df20c9f2101bbc0512cbedf1f0e93c25263dc97562a2bccb6677523ffd3dedc0

SHA512
f8a330f63e8c797ae67f2a5aa2c247cca08c688143f450bea732cad797c8d929c3a02c210c7b200aa597b3677fc9916aca6a3ca0070e28acc3747b39d693cf9c

Download Submit
C:\Users\Public\Documents\DECRYPT_NOTE.txt
MD5
5558878edca8b3206ab6ee5fe57f6865

SHA1
de18444b65432f299d87c2a3951e0ecc3aa52427

SHA256
df20c9f2101bbc0512cbedf1f0e93c25263dc97562a2bccb6677523ffd3dedc0

SHA512
f8a330f63e8c797ae67f2a5aa2c247cca08c688143f450bea732cad797c8d929c3a02c210c7b200aa597b3677fc9916aca6a3ca0070e28acc3747b39d693cf9c

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

Filesize
8KB

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

Filesize
8KB

Download
memory/1596-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads