dc72604fc2ce1a12a6a86d690d4f38a53cc34285d2e5abde71014a2d336ee406

Analysis

max time kernel
153s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
16-04-2023 19:40

Target

structures/rainbow lb structures/potion lava.gz
Size

2KB
MD5

b83f9fa01b28037b8fb4c759c60c5366
SHA1

67fd7b2b5b13686b732d352cde81afc8dcb6df7a
SHA256

8865013b697dd9c4ea8e064778ed85fcef2fefc37f018d6595e61824c9ff1129
SHA512

533b6b7da3cd657c8aac432dc0e6505275c13ce3e15d776b0fbb77e157914c5aa111a63ee0a40066d4ea5144bfc9904cfb5c3eb3e8b61c595ab1815229277b01

Score

3^/10

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 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\gz_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.gz\ = "gz_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\gz_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\gz_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.gz	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\gz_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\gz_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\gz_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1644	1376	cmd.exe	29
PID 1376 wrote to memory of 1644	1376	cmd.exe	29
PID 1376 wrote to memory of 1644	1376	cmd.exe	29
PID 1644 wrote to memory of 1772	1644	rundll32.exe	30
PID 1644 wrote to memory of 1772	1644	rundll32.exe	30
PID 1644 wrote to memory of 1772	1644	rundll32.exe	30
PID 1644 wrote to memory of 1772	1644	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\structures\rainbow lb structures\potion lava.gz"
1⤵
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\structures\rainbow lb structures\potion lava.gz
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\structures\rainbow lb structures\potion lava.gz"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1772

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact