37b533a715bd962424dd394cd17b2ecdb74bb08d5c2a629b27ecfd25b586cffa

Analysis

max time kernel
152s
max time network
37s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31-03-2023 18:52

Target

hra/LLL_Mantis_Data/RuntimeInitializeOnLoads.json
Size

2KB
MD5

2d7e6969699088c4870dba946330088e
SHA1

d4129cf0c4ef8c8dfacf5cf315776259c381d472
SHA256

f0fa820b5cc0effa72fd81cc0fcdfe8a9767906537fed99b80ec3187f354f051
SHA512

82a600ae834e50e2b7b6d374a04fbd800543b047fa27fcaf885f3af125b14f1af86a519fccd29ed740a06b0851a62c5199de8dceb9118bb980abb0fdca86a682

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-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.json	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 1484	1768	cmd.exe	29
PID 1768 wrote to memory of 1484	1768	cmd.exe	29
PID 1768 wrote to memory of 1484	1768	cmd.exe	29
PID 1484 wrote to memory of 1808	1484	rundll32.exe	30
PID 1484 wrote to memory of 1808	1484	rundll32.exe	30
PID 1484 wrote to memory of 1808	1484	rundll32.exe	30
PID 1484 wrote to memory of 1808	1484	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\hra\LLL_Mantis_Data\RuntimeInitializeOnLoads.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\hra\LLL_Mantis_Data\RuntimeInitializeOnLoads.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1484
- - 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\hra\LLL_Mantis_Data\RuntimeInitializeOnLoads.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1808

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact