dc72604fc2ce1a12a6a86d690d4f38a53cc34285d2e5abde71014a2d336ee406

Analysis

max time kernel
151s
max time network
34s
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 diamond.gz
Size

2KB
MD5

cffabe0ea2b62ea03485dc7babc24202
SHA1

4bbc1f02dd7080cb05811daa0aafd1b141ebe581
SHA256

adaa115b4ea01c0fb7f01dfd5f620f8318dacb783982515027ec8052613acf9d
SHA512

a2842e43257fd24ee224b135578466940830ff58ceda1609752a0721366c49816e004eb45e35d9449c47d79211ee33e1973ebdd04d2d82c970072cd9db91420b

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\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\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.gz	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\Local Settings	rundll32.exe
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
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\gz_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 584	1332	cmd.exe	29
PID 1332 wrote to memory of 584	1332	cmd.exe	29
PID 1332 wrote to memory of 584	1332	cmd.exe	29
PID 584 wrote to memory of 1272	584	rundll32.exe	30
PID 584 wrote to memory of 1272	584	rundll32.exe	30
PID 584 wrote to memory of 1272	584	rundll32.exe	30
PID 584 wrote to memory of 1272	584	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\structures\rainbow lb structures\open chest diamond.gz"
1⤵
- Suspicious use of WriteProcessMemory
PID:1332
- 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 diamond.gz
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:584
- - 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 diamond.gz"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1272

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact