d418ca84ca4bb7db72d2b00f8d6225a57909e02f712c7b0e2d9cefb2e18d0737

Resubmissions

13-07-2024 09:54

240713-lxbx6swdmm 10

13-07-2024 09:50

240713-lvbvdsyapd 10

13-07-2024 09:46

240713-lr1dksyajd 10

Analysis

max time kernel
1659s
max time network
1155s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13-07-2024 09:54

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General

Target

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
Size

240KB
MD5

598b2a2bdfb474047a6d5b5f0469c27a
SHA1

a2d42ceb046e3bfcab1bb3dc9ef9e89f12e2bd66
SHA256

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585
SHA512

ff6930e0dd15d7fc23f3cd62b5213863ec0c59b8ada189960e52be1832c8a1b928ddb3debf9eca65bbd5203e7b191e55d79dd2c7592bed3e197bdfb5b200ddbf
SSDEEP

3072:PC4zn72NrvV9YhZv0FKbgx2HMdYlTYpu/EVarwBwCc45TEywugt45ZoIWpEzGVz1:Pn72NrvV9OCTE45Z1WpEKvmSx7ri

Score

9^/10

persistence ransomware

Malware Config

Signatures

Renames multiple (133) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\discord = "C:\\Users\\Admin\\AppData\\Local\\discord.exe"	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

Drops desktop.ini file(s) 10 IoCs

Processes:

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

description	ioc	process
File created	C:\Users\Admin\Downloads\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
File created	C:\Users\Admin\Documents\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
File created	C:\Users\Admin\Pictures\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
File created	C:\Users\Admin\Desktop\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
File created	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
File created	C:\Users\Admin\Music\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
File created	C:\Users\Admin\Videos\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
File created	C:\Users\Admin\3D Objects\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
File created	C:\Users\Admin\OneDrive\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
File created	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000_Classes\Local Settings	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\├æ:\eulenCrack.exe cmd.exe
Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

3152 NOTEPAD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

description pid process

Token: SeDebugPrivilege 3624 22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

pid process

3624 22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

pid process

3624 22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\├æ:\eulenCrack.exe	cmd.exe

pid	process
3152	NOTEPAD.EXE

description	pid	process
Token: SeDebugPrivilege	3624	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

pid	process
3624	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

pid	process
3624	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe

description	pid	process	target process
PID 3624 wrote to memory of 3152	3624	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe	NOTEPAD.EXE
PID 3624 wrote to memory of 3152	3624	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe	NOTEPAD.EXE
PID 3624 wrote to memory of 3152	3624	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe	NOTEPAD.EXE
PID 3624 wrote to memory of 4544	3624	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe	cmd.exe
PID 3624 wrote to memory of 4544	3624	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe	cmd.exe
PID 3624 wrote to memory of 4544	3624	22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe
"C:\Users\Admin\AppData\Local\Temp\22a1f50db97e2f91417a668d7c31379012b9f756d37a6697220b10aaf1f8b585.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\README.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3152
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\usb_maker.bat" "
  2⤵
  - NTFS ADS
  PID:4544

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\usb_maker.bat

Filesize
3KB

MD5
8b926e674282e555448c3d236419cc02

SHA1
4a4e549641f3e780a6b1f1d02963919bd80919c3

SHA256
a942687463c636d9ae805ed322285cb4454312924f9d6cdd8dfa28e5a9a4a925

SHA512
5fa18988494427d99c2025d887484a8450042ccf52fd1883490f24dcbd5c61bf8a120a5b9edb15172957513f12db126e68677a5759349976af71cd0cdef0d162

Download Submit
C:\Users\Admin\Pictures\Camera Roll\README.txt

Filesize
55B

MD5
b93eb695a60a289d6ec60bf91ade3f47

SHA1
162bbce41920668be61dd0c6cbf2686b3df721f0

SHA256
65c12214995d2dca08255cbcce236746950a6a064b511fa9e98f7ce4d00ca3a1

SHA512
b8aa02d79be5bee12a783c09dbad88774c07b1381760f4f4d8381a487911ee1403923bd75f1e4d27007ec1981be667fa9313fc635153c24ff6efddd202a58c15

Download Submit
memory/3624-0-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/3624-1-0x00000000009D0000-0x0000000000A12000-memory.dmp

Filesize
264KB

Download
memory/3624-2-0x00000000058F0000-0x0000000005E94000-memory.dmp

Filesize
5.6MB

Download
memory/3624-3-0x0000000005420000-0x00000000054B2000-memory.dmp

Filesize
584KB

Download
memory/3624-4-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3624-5-0x0000000005540000-0x000000000554A000-memory.dmp

Filesize
40KB

Download
memory/3624-302-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download