dc72604fc2ce1a12a6a86d690d4f38a53cc34285d2e5abde71014a2d336ee406

Analysis

max time kernel
152s
max time network
31s
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/open chest tnt.gz
Size

2KB
MD5

fc693bc937c6c58194f7bfcbb826542d
SHA1

116549b00fac3aba51f8c25059545282da72650c
SHA256

8081479129d477dc36a22af66000ad5c6d9baeb7bfa95b4f3c958c83b141800f
SHA512

713c96c65eaefd3c0c6a75fad4af071e4858b095f5e7287355d7a4effacbb322733a4cef55fbbfe262caba8ca9a4171ffa15dc4b9197c4b1b2f5c4c85314a17e

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
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\gz_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\gz_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.gz\ = "gz_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\gz_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\gz_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_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-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.gz	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\gz_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 1084	620	cmd.exe	29
PID 620 wrote to memory of 1084	620	cmd.exe	29
PID 620 wrote to memory of 1084	620	cmd.exe	29
PID 1084 wrote to memory of 584	1084	rundll32.exe	30
PID 1084 wrote to memory of 584	1084	rundll32.exe	30
PID 1084 wrote to memory of 584	1084	rundll32.exe	30
PID 1084 wrote to memory of 584	1084	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\structures\rainbow lb structures\open chest tnt.gz"
1⤵
- Suspicious use of WriteProcessMemory
PID:620
- 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\open chest tnt.gz
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1084
- - 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\open chest tnt.gz"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:584

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact