dc72604fc2ce1a12a6a86d690d4f38a53cc34285d2e5abde71014a2d336ee406

Analysis

max time kernel
167s
max time network
44s
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/ore's.gz
Size

2KB
MD5

0bb7dd1956688fa366adf693d50e399b
SHA1

0da680b6f42896e9bd57406b8bc207b76e138f62
SHA256

ce5d58496d5c167f02ef24467990382d1da15b29f9dfe3b6fd5743d22fd04b9d
SHA512

0af5f8c99f90adebee4133739044cad27d6854d926e749d0339ada73420956ff6803f3164f92d2ce72c86fece20b09d6c5406942f803e343d74a2e402d0043ae

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\gz_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\gz_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.gz	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.gz\ = "gz_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\gz_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\gz_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_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-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\gz_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1376	AcroRd32.exe
1376	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1256	1716	cmd.exe	29
PID 1716 wrote to memory of 1256	1716	cmd.exe	29
PID 1716 wrote to memory of 1256	1716	cmd.exe	29
PID 1256 wrote to memory of 1376	1256	rundll32.exe	30
PID 1256 wrote to memory of 1376	1256	rundll32.exe	30
PID 1256 wrote to memory of 1376	1256	rundll32.exe	30
PID 1256 wrote to memory of 1376	1256	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\structures\rainbow lb structures\ore's.gz"
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- 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\ore's.gz
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1256
- - 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\ore's.gz"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1376

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact