56b8eb4751b74f827d773e17afe912c8e0957bb0538cf235b4c4a511eb93cf17

General

Target

DbConnection.java
Size

806B
MD5

24fd8d7777f0b44e4aba321841f729c5
SHA1

bd0e751139420bc6e57f02bee0fe84474f5b9db5
SHA256

56b8eb4751b74f827d773e17afe912c8e0957bb0538cf235b4c4a511eb93cf17
SHA512

2d015aa3f698429f86b09d071836911bc032c8f463a061e7ff2283709dfe27327a168ca40173e967a6ce591c62addff0931126cd5a2bd61575eee7aad96bd014

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Saved Games\Microsoft Games\desktop.ini	solitaire.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Main	helppane.exe

Modifies registry class 21 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\java_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\java_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\java_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\java_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\GameUX	solitaire.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\java_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\java_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\java_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\java_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software	solitaire.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.java	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\java_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\GameUX\GameStats\{8669ECE8-D1C3-4345-8310-E60F6D44FDAF}	solitaire.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft	solitaire.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows	solitaire.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\GameUX\GameStats\{8669ECE8-D1C3-4345-8310-E60F6D44FDAF}\LastPlayed = "0"	solitaire.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.java\ = "java_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings	solitaire.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\GameUX\GameStats	solitaire.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1948	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1624	solitaire.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	1176	helppane.exe
Token: 33	1916	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1916	AUDIODG.EXE
Token: 33	1916	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1916	AUDIODG.EXE
Token: SeTakeOwnershipPrivilege	1176	helppane.exe
Token: SeTakeOwnershipPrivilege	1176	helppane.exe
Token: SeTakeOwnershipPrivilege	1176	helppane.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1176	helppane.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1176	helppane.exe
1176	helppane.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 756	1204	cmd.exe	29
PID 1204 wrote to memory of 756	1204	cmd.exe	29
PID 1204 wrote to memory of 756	1204	cmd.exe	29
PID 756 wrote to memory of 1948	756	rundll32.exe	30
PID 756 wrote to memory of 1948	756	rundll32.exe	30
PID 756 wrote to memory of 1948	756	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\DbConnection.java
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\DbConnection.java
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\DbConnection.java
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:1948

C:\Program Files\Microsoft Games\solitaire\solitaire.exe
"C:\Program Files\Microsoft Games\solitaire\solitaire.exe"
1⤵
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:1624

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x508
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1916

C:\Windows\helppane.exe
C:\Windows\helppane.exe -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1176

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1176-94-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1624-112-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-110-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-80-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-82-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-84-0x0000000001E30000-0x0000000001E3A000-memory.dmp

Filesize
40KB

Download
memory/1624-83-0x0000000001E30000-0x0000000001E3A000-memory.dmp

Filesize
40KB

Download
memory/1624-88-0x0000000001E30000-0x0000000001E3A000-memory.dmp

Filesize
40KB

Download
memory/1624-89-0x0000000001E30000-0x0000000001E3A000-memory.dmp

Filesize
40KB

Download
memory/1624-79-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-78-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

Filesize
4KB

Download
memory/1624-81-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-109-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-111-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-108-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-107-0x0000000001D70000-0x0000000001D7A000-memory.dmp

Filesize
40KB

Download
memory/1624-106-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

Filesize
4KB

Download
memory/1624-115-0x0000000001E30000-0x0000000001E3A000-memory.dmp

Filesize
40KB

Download
memory/1624-114-0x0000000001E30000-0x0000000001E3A000-memory.dmp

Filesize
40KB

Download
memory/1624-113-0x0000000001E30000-0x0000000001E3A000-memory.dmp

Filesize
40KB

Download
memory/1624-116-0x0000000001E30000-0x0000000001E3A000-memory.dmp

Filesize
40KB

Download
memory/1624-117-0x0000000001E30000-0x0000000001E3A000-memory.dmp

Filesize
40KB

Download

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