4fc16eafbb02d98f30a8dbc47f2412d3764f576dffd0b053a27d435dee9fc874

Analysis

max time kernel
42s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21/05/2023, 15:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

nissian_gtr_r35_rocket_bunny_v1.5public.7z
Size

97.8MB
MD5

202ca29af4e1c15ba6a7ae86f30047f5
SHA1

59ca4cf340ce5abbbf846475e30ff9c858dc04d6
SHA256

4fc16eafbb02d98f30a8dbc47f2412d3764f576dffd0b053a27d435dee9fc874
SHA512

8760251d1ef60d72618a02be60a588f1c439cacb352cbbafe7482c91eef15326a33c54d7accc813fe39b8e1a40787768d8382040b59b79e0442836878b5a8e3a
SSDEEP

3145728:cVoCyk7mUUVSUNc+OMF9Omtv8+iJQjmfx912iKz6/P5NfSqCKX4XNBj:ZCykK9NRo6v88jmfxlKz6vqqCNXLj

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\7z_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.7z	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\7z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\7z_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1316	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
292	AcroRd32.exe
292	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 1316	1504	cmd.exe	28
PID 1504 wrote to memory of 1316	1504	cmd.exe	28
PID 1504 wrote to memory of 1316	1504	cmd.exe	28
PID 1316 wrote to memory of 292	1316	rundll32.exe	29
PID 1316 wrote to memory of 292	1316	rundll32.exe	29
PID 1316 wrote to memory of 292	1316	rundll32.exe	29
PID 1316 wrote to memory of 292	1316	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\nissian_gtr_r35_rocket_bunny_v1.5public.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\nissian_gtr_r35_rocket_bunny_v1.5public.7z
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:1316
- - 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\nissian_gtr_r35_rocket_bunny_v1.5public.7z"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:292

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

Loading Replay Monitor...